diff options
440 files changed, 6091 insertions, 2919 deletions
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 3766adf7943..3929b064c26 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -31,7 +31,7 @@ defaults: run: shell: bash concurrency: - group: "${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}" + group: "${{ github.workflow }}-${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}" cancel-in-progress: true jobs: pr: @@ -408,7 +408,7 @@ jobs: - name: dist-x86_64-msvc env: RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=x86_64-pc-windows-msvc --target=x86_64-pc-windows-msvc --enable-full-tools --enable-profiler" - SCRIPT: PGO_HOST=x86_64-pc-windows-msvc python src/ci/stage-build.py python x.py dist bootstrap --include-default-paths + SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 os: windows-2019-8core-32gb - name: dist-i686-msvc diff --git a/Cargo.lock b/Cargo.lock index 5c936ca40e1..96eda77abb2 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -172,6 +172,9 @@ name = "anyhow" version = "1.0.71" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8" +dependencies = [ + "backtrace", +] [[package]] name = "ar_archive_writer" @@ -259,6 +262,12 @@ dependencies = [ ] [[package]] +name = "base64" +version = "0.21.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d" + +[[package]] name = "basic-toml" version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -328,6 +337,10 @@ dependencies = [ [[package]] name = "build_helper" version = "0.1.0" +dependencies = [ + "serde", + "serde_derive", +] [[package]] name = "bump-stage0" @@ -686,6 +699,16 @@ dependencies = [ ] [[package]] +name = "core-foundation" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] name = "core-foundation-sys" version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -986,6 +1009,15 @@ dependencies = [ ] [[package]] +name = "encoding_rs" +version = "0.8.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394" +dependencies = [ + "cfg-if", +] + +[[package]] name = "env_logger" version = "0.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1175,6 +1207,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" [[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + +[[package]] name = "form_urlencoded" version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1200,6 +1247,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0845fa252299212f0389d64ba26f34fa32cfe41588355f21ed507c59a0f64541" [[package]] +name = "fs_extra" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c" + +[[package]] name = "futf" version = "0.1.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1397,6 +1450,25 @@ dependencies = [ ] [[package]] +name = "h2" +version = "0.3.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d357c7ae988e7d2182f7d7871d0b963962420b0678b0997ce7de72001aeab782" +dependencies = [ + "bytes", + "fnv", + "futures-core", + "futures-sink", + "futures-util", + "http", + "indexmap 1.9.3", + "slab", + "tokio", + "tokio-util", + "tracing", +] + +[[package]] name = "handlebars" version = "4.3.7" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1495,6 +1567,49 @@ dependencies = [ ] [[package]] +name = "http" +version = "0.2.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bd6effc99afb63425aff9b05836f029929e345a6148a14b7ecd5ab67af944482" +dependencies = [ + "bytes", + "fnv", + "itoa", +] + +[[package]] +name = "http-body" +version = "0.4.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1" +dependencies = [ + "bytes", + "http", + "pin-project-lite", +] + +[[package]] +name = "httparse" +version = "1.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904" + +[[package]] +name = "httpdate" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421" + +[[package]] +name = "humansize" +version = "2.1.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6cb51c9a029ddc91b07a787f1d86b53ccfa49b0e86688c946ebe8d3555685dd7" +dependencies = [ + "libm 0.2.7", +] + +[[package]] name = "humantime" version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1510,6 +1625,43 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4" [[package]] +name = "hyper" +version = "0.14.22" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "abfba89e19b959ca163c7752ba59d737c1ceea53a5d31a149c805446fc958064" +dependencies = [ + "bytes", + "futures-channel", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "httparse", + "httpdate", + "itoa", + "pin-project-lite", + "socket2", + "tokio", + "tower-service", + "tracing", + "want", +] + +[[package]] +name = "hyper-tls" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905" +dependencies = [ + "bytes", + "hyper", + "native-tls", + "tokio", + "tokio-native-tls", +] + +[[package]] name = "iana-time-zone" version = "0.1.57" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1718,13 +1870,19 @@ dependencies = [ ] [[package]] +name = "ipnet" +version = "2.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "12b6ee2129af8d4fb011108c73d99a1b83a85977f23b82460c0ae2e25bb4b57f" + +[[package]] name = "is-terminal" version = "0.4.8" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "24fddda5af7e54bf7da53067d6e802dbcc381d0a8eef629df528e3ebf68755cb" dependencies = [ "hermit-abi 0.3.1", - "rustix 0.38.1", + "rustix 0.38.2", "windows-sys 0.48.0", ] @@ -1867,6 +2025,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a" [[package]] +name = "libm" +version = "0.2.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4" + +[[package]] name = "libz-sys" version = "1.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2105,6 +2269,17 @@ dependencies = [ ] [[package]] +name = "mio" +version = "0.8.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2" +dependencies = [ + "libc", + "wasi", + "windows-sys 0.48.0", +] + +[[package]] name = "miow" version = "0.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2142,6 +2317,24 @@ dependencies = [ ] [[package]] +name = "native-tls" +version = "0.2.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e" +dependencies = [ + "lazy_static", + "libc", + "log", + "openssl", + "openssl-probe", + "openssl-sys", + "schannel", + "security-framework", + "security-framework-sys", + "tempfile", +] + +[[package]] name = "new_debug_unreachable" version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2170,6 +2363,15 @@ dependencies = [ ] [[package]] +name = "ntapi" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e8a3895c6391c39d7fe7ebc444a87eb2991b2a0bc718fdabd071eec617fc68e4" +dependencies = [ + "winapi", +] + +[[package]] name = "nu-ansi-term" version = "0.46.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2241,6 +2443,32 @@ dependencies = [ ] [[package]] +name = "openssl" +version = "0.10.55" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d" +dependencies = [ + "bitflags 1.3.2", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.8", +] + +[[package]] name = "openssl-probe" version = "0.1.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2259,6 +2487,28 @@ dependencies = [ ] [[package]] +name = "opt-dist" +version = "0.1.0" +dependencies = [ + "anyhow", + "build_helper", + "camino", + "env_logger 0.10.0", + "fs_extra", + "glob", + "humansize", + "humantime 2.1.0", + "log", + "reqwest", + "serde", + "serde_json", + "sysinfo", + "tar", + "xz", + "zip", +] + +[[package]] name = "overload" version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2277,7 +2527,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282" dependencies = [ "cfg-if", - "libm", + "libm 0.1.4", ] [[package]] @@ -2731,6 +2981,43 @@ dependencies = [ ] [[package]] +name = "reqwest" +version = "0.11.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55" +dependencies = [ + "base64", + "bytes", + "encoding_rs", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "hyper", + "hyper-tls", + "ipnet", + "js-sys", + "log", + "mime", + "native-tls", + "once_cell", + "percent-encoding", + "pin-project-lite", + "serde", + "serde_json", + "serde_urlencoded", + "tokio", + "tokio-native-tls", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "web-sys", + "winreg", +] + +[[package]] name = "rls" version = "2.0.0" dependencies = [ @@ -3159,7 +3446,6 @@ name = "rustc_driver" version = "0.0.0" dependencies = [ "rustc_driver_impl", - "rustix 0.37.11", ] [[package]] @@ -4218,9 +4504,9 @@ dependencies = [ [[package]] name = "rustix" -version = "0.37.11" +version = "0.37.22" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "85597d61f83914ddeba6a47b3b8ffe7365107221c2e557ed94426489fefb5f77" +checksum = "8818fa822adcc98b18fedbb3632a6a33213c070556b5aa7c4c8cc21cff565c4c" dependencies = [ "bitflags 1.3.2", "errno", @@ -4232,9 +4518,9 @@ dependencies = [ [[package]] name = "rustix" -version = "0.38.1" +version = "0.38.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fbc6396159432b5c8490d4e301d8c705f61860b8b6c863bf79942ce5401968f3" +checksum = "aabcb0461ebd01d6b79945797c27f8529082226cb630a9865a71870ff63532a4" dependencies = [ "bitflags 2.3.3", "errno", @@ -4297,6 +4583,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" [[package]] +name = "security-framework" +version = "2.9.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8" +dependencies = [ + "bitflags 1.3.2", + "core-foundation", + "core-foundation-sys", + "libc", + "security-framework-sys", +] + +[[package]] +name = "security-framework-sys" +version = "2.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f51d0c0d83bec45f16480d0ce0058397a69e48fcdc52d1dc8855fb68acbd31a7" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] name = "self_cell" version = "0.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -4353,6 +4662,18 @@ dependencies = [ ] [[package]] +name = "serde_urlencoded" +version = "0.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd" +dependencies = [ + "form_urlencoded", + "itoa", + "ryu", + "serde", +] + +[[package]] name = "sha1" version = "0.10.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -4631,6 +4952,20 @@ dependencies = [ ] [[package]] +name = "sysinfo" +version = "0.29.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9557d0845b86eea8182f7b10dff120214fb6cd9fd937b6f4917714e546a38695" +dependencies = [ + "cfg-if", + "core-foundation-sys", + "libc", + "ntapi", + "once_cell", + "winapi", +] + +[[package]] name = "sysroot" version = "0.0.0" dependencies = [ @@ -4660,7 +4995,7 @@ dependencies = [ "cfg-if", "fastrand", "redox_syscall 0.3.5", - "rustix 0.37.11", + "rustix 0.37.22", "windows-sys 0.48.0", ] @@ -4701,7 +5036,7 @@ version = "0.2.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8e6bf6f19e9f8ed8d4048dc22981458ebcf406d67e94cd422e5ecd73d63b3237" dependencies = [ - "rustix 0.37.11", + "rustix 0.37.22", "windows-sys 0.48.0", ] @@ -4849,7 +5184,36 @@ dependencies = [ "autocfg", "backtrace", "bytes", + "libc", + "mio", + "num_cpus", + "pin-project-lite", + "socket2", + "windows-sys 0.48.0", +] + +[[package]] +name = "tokio-native-tls" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2" +dependencies = [ + "native-tls", + "tokio", +] + +[[package]] +name = "tokio-util" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f988a1a1adc2fb21f9c12aa96441da33a1728193ae0b95d2be22dbd17fcb4e5c" +dependencies = [ + "bytes", + "futures-core", + "futures-sink", "pin-project-lite", + "tokio", + "tracing", ] [[package]] @@ -4902,6 +5266,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ea68304e134ecd095ac6c3574494fc62b909f416c4fca77e440530221e549d3d" [[package]] +name = "tower-service" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52" + +[[package]] name = "tracing" version = "0.1.37" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -4987,6 +5357,12 @@ dependencies = [ ] [[package]] +name = "try-lock" +version = "0.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed" + +[[package]] name = "twox-hash" version = "1.6.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5030,9 +5406,9 @@ checksum = "9e79c4d996edb816c91e4308506774452e55e95c3c9de07b6729e17e15a5ef81" [[package]] name = "ui_test" -version = "0.11.6" +version = "0.11.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "24a2e70adc9d18b9b4dd80ea57aeec447103c6fbb354a07c080adad451c645e1" +checksum = "c21899b59f53717dfad29e4f46e5b21a200a1b6888ab86532a07cfc8b48dd78c" dependencies = [ "bstr", "cargo-platform", @@ -5305,6 +5681,15 @@ dependencies = [ ] [[package]] +name = "want" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e" +dependencies = [ + "try-lock", +] + +[[package]] name = "wasi" version = "0.11.0+wasi-snapshot-preview1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5341,6 +5726,18 @@ dependencies = [ ] [[package]] +name = "wasm-bindgen-futures" +version = "0.4.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f219e0d211ba40266969f6dbdd90636da12f75bee4fc9d6c23d1260dadb51454" +dependencies = [ + "cfg-if", + "js-sys", + "wasm-bindgen", + "web-sys", +] + +[[package]] name = "wasm-bindgen-macro" version = "0.2.87" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5370,6 +5767,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1" [[package]] +name = "web-sys" +version = "0.3.61" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + +[[package]] name = "winapi" version = "0.3.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5564,6 +5971,15 @@ dependencies = [ ] [[package]] +name = "winreg" +version = "0.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d" +dependencies = [ + "winapi", +] + +[[package]] name = "writeable" version = "0.5.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5579,6 +5995,15 @@ dependencies = [ ] [[package]] +name = "xz" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3c887690ff2a2e233e8e49633461521f98ec57fbff9d59a884c9a4f04ec1da34" +dependencies = [ + "xz2", +] + +[[package]] name = "xz2" version = "0.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5683,3 +6108,15 @@ dependencies = [ "syn 1.0.109", "synstructure 0.12.6", ] + +[[package]] +name = "zip" +version = "0.6.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261" +dependencies = [ + "byteorder", + "crc32fast", + "crossbeam-utils", + "flate2", +] diff --git a/Cargo.toml b/Cargo.toml index 20b1c656d35..53bf9a8af2c 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -43,6 +43,7 @@ members = [ "src/tools/suggest-tests", "src/tools/generate-windows-sys", "src/tools/rustdoc-gui-test", + "src/tools/opt-dist", ] exclude = [ diff --git a/README.md b/README.md index 901213d2ca9..8a6c559b0b3 100644 --- a/README.md +++ b/README.md @@ -22,8 +22,9 @@ Read ["Installation"] from [The Book]. The Rust build system uses a Python script called `x.py` to build the compiler, which manages the bootstrapping process. It lives at the root of the project. -It also uses a file named `config.toml` to determine various configuration settings for the build. -You can see a full list of options in `config.example.toml`. +It also uses a file named `config.toml` to determine various configuration +settings for the build. You can see a full list of options in +`config.example.toml`. The `x.py` command can be run directly on most Unix systems in the following format: @@ -33,7 +34,8 @@ format: ``` This is how the documentation and examples assume you are running `x.py`. -See the [rustc dev guide][rustcguidebuild] if this does not work on your platform. +See the [rustc dev guide][rustcguidebuild] if this does not work on your +platform. More information about `x.py` can be found by running it with the `--help` flag or reading the [rustc dev guide][rustcguidebuild]. @@ -105,24 +107,26 @@ See [the rustc-dev-guide for more info][sysllvm]. When complete, `./x.py install` will place several programs into `$PREFIX/bin`: `rustc`, the Rust compiler, and `rustdoc`, the - API-documentation tool. By default, it will also include [Cargo], Rust's package manager. - You can disable this behavior by passing `--set build.extended=false` to `./configure`. + API-documentation tool. By default, it will also include [Cargo], Rust's + package manager. You can disable this behavior by passing + `--set build.extended=false` to `./configure`. [Cargo]: https://github.com/rust-lang/cargo #### Configure and Make -This project provides a configure script and makefile (the latter of which just invokes `x.py`). -`./configure` is the recommended way to programatically generate a `config.toml`. `make` is not -recommended (we suggest using `x.py` directly), but it is supported and we try not to break it -unnecessarily. +This project provides a configure script and makefile (the latter of which just +invokes `x.py`). `./configure` is the recommended way to programatically +generate a `config.toml`. `make` is not recommended (we suggest using `x.py` +directly), but it is supported and we try not to break it unnecessarily. ```sh ./configure make && sudo make install ``` -`configure` generates a `config.toml` which can also be used with normal `x.py` invocations. +`configure` generates a `config.toml` which can also be used with normal `x.py` +invocations. ### Building on Windows @@ -193,7 +197,7 @@ toolchain. #### MSVC MSVC builds of Rust additionally require an installation of Visual Studio 2017 -(or later) so `rustc` can use its linker. The simplest way is to get +(or later) so `rustc` can use its linker. The simplest way is to get [Visual Studio], check the "C++ build tools" and "Windows 10 SDK" workload. [Visual Studio]: https://visualstudio.microsoft.com/downloads/ @@ -234,7 +238,8 @@ Windows build triples are: The build triple can be specified by either specifying `--build=<triple>` when invoking `x.py` commands, or by creating a `config.toml` file (as described in -[Building on a Unix-like system](#building-on-a-unix-like-system)), and passing `--set build.build=<triple>` to `./configure`. +[Building on a Unix-like system](#building-on-a-unix-like-system)), and passing +`--set build.build=<triple>` to `./configure`. ## Building Documentation diff --git a/RELEASES.md b/RELEASES.md index fa95df685aa..419c20b9071 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,146 @@ +Version 1.71.0 (2023-07-13) +========================== + +<a id="1.71.0-Language"></a> + +Language +-------- + +- [Stabilize `raw-dylib`, `link_ordinal`, `import_name_type` and `-Cdlltool`.](https://github.com/rust-lang/rust/pull/109677/) +- [Uplift `clippy::{drop,forget}_{ref,copy}` lints.](https://github.com/rust-lang/rust/pull/109732/) +- [Type inference is more conservative around constrained vars.](https://github.com/rust-lang/rust/pull/110100/) +- [Use fulfillment to check `Drop` impl compatibility](https://github.com/rust-lang/rust/pull/110577/) + +<a id="1.71.0-Compiler"></a> + +Compiler +-------- + +- [Evaluate place expression in `PlaceMention`](https://github.com/rust-lang/rust/pull/104844/), + making `let _ =` patterns more consistent with respect to the borrow checker. +- [Add `--print deployment-target` flag for Apple targets.](https://github.com/rust-lang/rust/pull/105354/) +- [Stabilize `extern "C-unwind"` and friends.](https://github.com/rust-lang/rust/pull/106075/) + The existing `extern "C"` etc. may change behavior for cross-language unwinding in a future release. +- [Update the version of musl used on `*-linux-musl` targets to 1.2.3](https://github.com/rust-lang/rust/pull/107129/), + enabling [time64](https://musl.libc.org/time64.html) on 32-bit systems. +- [Stabilize `debugger_visualizer`](https://github.com/rust-lang/rust/pull/108668/) + for embedding metadata like Microsoft's Natvis. +- [Enable flatten-format-args by default.](https://github.com/rust-lang/rust/pull/109999/) +- [Make `Self` respect tuple constructor privacy.](https://github.com/rust-lang/rust/pull/111245/) +- [Improve niche placement by trying two strategies and picking the better result.](https://github.com/rust-lang/rust/pull/108106/) +- [Use `apple-m1` as the target CPU for `aarch64-apple-darwin`.](https://github.com/rust-lang/rust/pull/109899/) +- [Add Tier 3 support for the `x86_64h-apple-darwin` target.](https://github.com/rust-lang/rust/pull/108795/) +- [Promote `loongarch64-unknown-linux-gnu` to Tier 2 with host tools.](https://github.com/rust-lang/rust/pull/110936/) + +Refer to Rust's [platform support page][platform-support-doc] +for more information on Rust's tiered platform support. + +<a id="1.71.0-Libraries"></a> + +Libraries +--------- +- [Rework handling of recursive panics.](https://github.com/rust-lang/rust/pull/110975/) + Additional panics are allowed while unwinding, as long as they are caught before escaping + a `Drop` implementation, but panicking within a panic hook is now an immediate abort. +- [Loosen `From<&[T]> for Box<[T]>` bound to `T: Clone`.](https://github.com/rust-lang/rust/pull/103406/) +- [Remove unnecessary `T: Send` bound](https://github.com/rust-lang/rust/pull/111134/) + in `Error for mpsc::SendError<T>` and `TrySendError<T>`. +- [Fix docs for `alloc::realloc`](https://github.com/rust-lang/rust/pull/108630/) + to match `Layout` requirements that the size must not exceed `isize::MAX`. +- [Document `const {}` syntax for `std::thread_local`.](https://github.com/rust-lang/rust/pull/110620/) + This syntax was stabilized in Rust 1.59, but not previously mentioned in release notes. + +<a id="1.71.0-Stabilized-APIs"></a> + +Stabilized APIs +--------------- + +- [`CStr::is_empty`](https://doc.rust-lang.org/stable/std/ffi/struct.CStr.html#method.is_empty) +- [`BuildHasher::hash_one`](https://doc.rust-lang.org/stable/std/hash/trait.BuildHasher.html#method.hash_one) +- [`NonZeroI*::is_positive`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.is_positive) +- [`NonZeroI*::is_negative`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.is_negative) +- [`NonZeroI*::checked_neg`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.checked_neg) +- [`NonZeroI*::overflowing_neg`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.overflowing_neg) +- [`NonZeroI*::saturating_neg`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.saturating_neg) +- [`NonZeroI*::wrapping_neg`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#method.wrapping_neg) +- [`Neg for NonZeroI*`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#impl-Neg-for-NonZeroI32) +- [`Neg for &NonZeroI*`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroI32.html#impl-Neg-for-%26NonZeroI32) +- [`From<[T; N]> for (T...)`](https://doc.rust-lang.org/stable/std/primitive.array.html#impl-From%3C%5BT;+1%5D%3E-for-(T,)) + (array to N-tuple for N in 1..=12) +- [`From<(T...)> for [T; N]`](https://doc.rust-lang.org/stable/std/primitive.array.html#impl-From%3C(T,)%3E-for-%5BT;+1%5D) + (N-tuple to array for N in 1..=12) +- [`windows::io::AsHandle for Box<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsHandle.html#impl-AsHandle-for-Box%3CT%3E) +- [`windows::io::AsHandle for Rc<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsHandle.html#impl-AsHandle-for-Rc%3CT%3E) +- [`windows::io::AsHandle for Arc<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsHandle.html#impl-AsHandle-for-Arc%3CT%3E) +- [`windows::io::AsSocket for Box<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsSocket.html#impl-AsSocket-for-Box%3CT%3E) +- [`windows::io::AsSocket for Rc<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsSocket.html#impl-AsSocket-for-Rc%3CT%3E) +- [`windows::io::AsSocket for Arc<T>`](https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsSocket.html#impl-AsSocket-for-Arc%3CT%3E) + +These APIs are now stable in const contexts: + +- [`<*const T>::read`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.read) +- [`<*const T>::read_unaligned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.read_unaligned) +- [`<*mut T>::read`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.read-1) +- [`<*mut T>::read_unaligned`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.read_unaligned-1) +- [`ptr::read`](https://doc.rust-lang.org/stable/std/ptr/fn.read.html) +- [`ptr::read_unaligned`](https://doc.rust-lang.org/stable/std/ptr/fn.read_unaligned.html) +- [`<[T]>::split_at`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.split_at) + +<a id="1.71.0-Cargo"></a> + +Cargo +----- +- [Allow named debuginfo options in `Cargo.toml`.](https://github.com/rust-lang/cargo/pull/11958/) +- [Add `workspace_default_members` to the output of `cargo metadata`.](https://github.com/rust-lang/cargo/pull/11978/) +- [`cargo add` now considers `rust-version` when selecting packages.](https://github.com/rust-lang/cargo/pull/12078/) +- [Automatically inherit workspace fields when running `cargo new`/`cargo init`.](https://github.com/rust-lang/cargo/pull/12069/) + +<a id="1.71.0-Rustdoc"></a> + +Rustdoc +------- + +- [Add a new `rustdoc::unescaped_backticks` lint for broken inline code.](https://github.com/rust-lang/rust/pull/105848/) +- [Support strikethrough with single tildes.](https://github.com/rust-lang/rust/pull/111152/) (`~~old~~` vs. `~new~`) + +<a id="1.71.0-Misc"></a> + +Misc +---- + +<a id="1.71.0-Compatibility-Notes"></a> + +Compatibility Notes +------------------- + +- [Remove structural match from `TypeId`.](https://github.com/rust-lang/rust/pull/103291/) + Code that uses a constant `TypeId` in a pattern will potentially be broken. + Known cases have already been fixed -- in particular, users of the `log` + crate's `kv_unstable` feature should update to `log v0.4.18` or later. +- [Add a `sysroot` crate to represent the standard library crates.](https://github.com/rust-lang/rust/pull/108865/) + This does not affect stable users, but may require adjustment in tools that build their own standard library. +- [Cargo optimizes its usage under `rustup`.](https://github.com/rust-lang/cargo/pull/11917/) When + Cargo detects it will run `rustc` pointing to a rustup proxy, it'll try bypassing the proxy and + use the underlying binary directly. There are assumptions around the interaction with rustup and + `RUSTUP_TOOLCHAIN`. However, it's not expected to affect normal users. +- [When querying a package, Cargo tries only the original name, all hyphens, and all underscores to + handle misspellings.](https://github.com/rust-lang/cargo/pull/12083/) Previously, Cargo tried each + combination of hyphens and underscores, causing excessive requests to crates.io. +- Cargo now [disallows `RUSTUP_HOME`](https://github.com/rust-lang/cargo/pull/12101/) and + [`RUSTUP_TOOLCHAIN`](https://github.com/rust-lang/cargo/pull/12107/) in the `[env]` configuration + table. This is considered to be not a use case Cargo would like to support, since it will likely + cause problems or lead to confusion. + +<a id="1.71.0-Internal-Changes"></a> + +Internal Changes +---------------- + +These changes do not affect any public interfaces of Rust, but they represent +significant improvements to the performance or internals of rustc and related +tools. + + Version 1.70.0 (2023-06-01) ========================== diff --git a/compiler/rustc_abi/src/layout.rs b/compiler/rustc_abi/src/layout.rs index 73f9deb3143..f6875d895d3 100644 --- a/compiler/rustc_abi/src/layout.rs +++ b/compiler/rustc_abi/src/layout.rs @@ -134,7 +134,7 @@ pub trait LayoutCalculator { scalar_valid_range: (Bound<u128>, Bound<u128>), discr_range_of_repr: impl Fn(i128, i128) -> (Integer, bool), discriminants: impl Iterator<Item = (VariantIdx, i128)>, - niche_optimize_enum: bool, + dont_niche_optimize_enum: bool, always_sized: bool, ) -> Option<LayoutS> { let dl = self.current_data_layout(); @@ -183,10 +183,10 @@ pub trait LayoutCalculator { // (Typechecking will reject discriminant-sizing attrs.) let v = present_first; - let kind = if is_enum || variants[v].is_empty() { + let kind = if is_enum || variants[v].is_empty() || always_sized { StructKind::AlwaysSized } else { - if !always_sized { StructKind::MaybeUnsized } else { StructKind::AlwaysSized } + StructKind::MaybeUnsized }; let mut st = self.univariant(dl, &variants[v], repr, kind)?; @@ -280,7 +280,7 @@ pub trait LayoutCalculator { } let calculate_niche_filling_layout = || -> Option<TmpLayout> { - if niche_optimize_enum { + if dont_niche_optimize_enum { return None; } diff --git a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs index 6c01fd63b1e..225c38efb2c 100644 --- a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs +++ b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs @@ -9,7 +9,7 @@ use rustc_middle::mir::{ Body, CallSource, CastKind, ConstraintCategory, FakeReadCause, Local, LocalInfo, Location, Operand, Place, Rvalue, Statement, StatementKind, TerminatorKind, }; -use rustc_middle::ty::adjustment::PointerCast; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::{self, RegionVid, TyCtxt}; use rustc_span::symbol::{kw, Symbol}; use rustc_span::{sym, DesugaringKind, Span}; @@ -584,7 +584,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { }, // If we see an unsized cast, then if it is our data we should check // whether it is being cast to a trait object. - Rvalue::Cast(CastKind::Pointer(PointerCast::Unsize), operand, ty) => { + Rvalue::Cast( + CastKind::PointerCoercion(PointerCoercion::Unsize), + operand, + ty, + ) => { match operand { Operand::Copy(place) | Operand::Move(place) => { if let Some(from) = place.as_local() { diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 7ed7e125b3c..a15e1065c81 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -28,7 +28,7 @@ use rustc_middle::mir::AssertKind; use rustc_middle::mir::*; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::ObligationCause; -use rustc_middle::ty::adjustment::PointerCast; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::cast::CastTy; use rustc_middle::ty::subst::{SubstsRef, UserSubsts}; use rustc_middle::ty::visit::TypeVisitableExt; @@ -1908,7 +1908,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { self.check_operand(op, location); match cast_kind { - CastKind::Pointer(PointerCast::ReifyFnPointer) => { + CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => { let fn_sig = op.ty(body, tcx).fn_sig(tcx); // The type that we see in the fcx is like @@ -1937,7 +1937,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } } - CastKind::Pointer(PointerCast::ClosureFnPointer(unsafety)) => { + CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(unsafety)) => { let sig = match op.ty(body, tcx).kind() { ty::Closure(_, substs) => substs.as_closure().sig(), _ => bug!(), @@ -1962,7 +1962,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } } - CastKind::Pointer(PointerCast::UnsafeFnPointer) => { + CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer) => { let fn_sig = op.ty(body, tcx).fn_sig(tcx); // The type that we see in the fcx is like @@ -1991,7 +1991,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } } - CastKind::Pointer(PointerCast::Unsize) => { + CastKind::PointerCoercion(PointerCoercion::Unsize) => { let &ty = ty; let trait_ref = ty::TraitRef::from_lang_item( tcx, @@ -2038,7 +2038,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { ); } - CastKind::Pointer(PointerCast::MutToConstPointer) => { + CastKind::PointerCoercion(PointerCoercion::MutToConstPointer) => { let ty::RawPtr(ty::TypeAndMut { ty: ty_from, mutbl: hir::Mutability::Mut, @@ -2080,7 +2080,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } } - CastKind::Pointer(PointerCast::ArrayToPointer) => { + CastKind::PointerCoercion(PointerCoercion::ArrayToPointer) => { let ty_from = op.ty(body, tcx); let opt_ty_elem_mut = match ty_from.kind() { diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 826ce60ed13..334b2780b49 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -2,7 +2,7 @@ use rustc_ast::InlineAsmOptions; use rustc_index::IndexVec; -use rustc_middle::ty::adjustment::PointerCast; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::layout::FnAbiOf; use rustc_middle::ty::print::with_no_trimmed_paths; @@ -571,7 +571,7 @@ fn codegen_stmt<'tcx>( lval.write_cvalue(fx, res); } Rvalue::Cast( - CastKind::Pointer(PointerCast::ReifyFnPointer), + CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer), ref operand, to_ty, ) => { @@ -596,17 +596,17 @@ fn codegen_stmt<'tcx>( } } Rvalue::Cast( - CastKind::Pointer(PointerCast::UnsafeFnPointer), + CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer), ref operand, to_ty, ) | Rvalue::Cast( - CastKind::Pointer(PointerCast::MutToConstPointer), + CastKind::PointerCoercion(PointerCoercion::MutToConstPointer), ref operand, to_ty, ) | Rvalue::Cast( - CastKind::Pointer(PointerCast::ArrayToPointer), + CastKind::PointerCoercion(PointerCoercion::ArrayToPointer), ref operand, to_ty, ) => { @@ -662,7 +662,7 @@ fn codegen_stmt<'tcx>( } } Rvalue::Cast( - CastKind::Pointer(PointerCast::ClosureFnPointer(_)), + CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(_)), ref operand, _to_ty, ) => { @@ -684,7 +684,11 @@ fn codegen_stmt<'tcx>( _ => bug!("{} cannot be cast to a fn ptr", operand.layout().ty), } } - Rvalue::Cast(CastKind::Pointer(PointerCast::Unsize), ref operand, _to_ty) => { + Rvalue::Cast( + CastKind::PointerCoercion(PointerCoercion::Unsize), + ref operand, + _to_ty, + ) => { let operand = codegen_operand(fx, operand); crate::unsize::coerce_unsized_into(fx, operand, lval); } diff --git a/compiler/rustc_codegen_cranelift/src/unsize.rs b/compiler/rustc_codegen_cranelift/src/unsize.rs index ff0e12410e7..6aeba13f639 100644 --- a/compiler/rustc_codegen_cranelift/src/unsize.rs +++ b/compiler/rustc_codegen_cranelift/src/unsize.rs @@ -1,6 +1,6 @@ -//! Codegen of the [`PointerCast::Unsize`] operation. +//! Codegen of the [`PointerCoercion::Unsize`] operation. //! -//! [`PointerCast::Unsize`]: `rustc_middle::ty::adjustment::PointerCast::Unsize` +//! [`PointerCoercion::Unsize`]: `rustc_middle::ty::adjustment::PointerCoercion::Unsize` use crate::prelude::*; diff --git a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs index 1ee89b3d5e8..4b27b64962d 100644 --- a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs @@ -328,8 +328,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let local_ref = &self.locals[local]; - // FIXME Should the return place be named? - let name = if bx.sess().fewer_names() || local == mir::RETURN_PLACE { + let name = if bx.sess().fewer_names() { None } else { Some(match whole_local_var.or(fallback_var.clone()) { diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index ab9eb421c5a..956f03d2578 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -11,7 +11,7 @@ use rustc_middle::mir; use rustc_middle::mir::Operand; use rustc_middle::ty::cast::{CastTy, IntTy}; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, TyAndLayout}; -use rustc_middle::ty::{self, adjustment::PointerCast, Instance, Ty, TyCtxt}; +use rustc_middle::ty::{self, adjustment::PointerCoercion, Instance, Ty, TyCtxt}; use rustc_session::config::OptLevel; use rustc_span::source_map::{Span, DUMMY_SP}; use rustc_target::abi::{self, FIRST_VARIANT}; @@ -32,7 +32,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { cg_operand.val.store(bx, dest); } - mir::Rvalue::Cast(mir::CastKind::Pointer(PointerCast::Unsize), ref source, _) => { + mir::Rvalue::Cast( + mir::CastKind::PointerCoercion(PointerCoercion::Unsize), + ref source, + _, + ) => { // The destination necessarily contains a fat pointer, so if // it's a scalar pair, it's a fat pointer or newtype thereof. if bx.cx().is_backend_scalar_pair(dest.layout) { @@ -411,7 +415,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let lladdr = bx.ptrtoint(llptr, llcast_ty); OperandValue::Immediate(lladdr) } - mir::CastKind::Pointer(PointerCast::ReifyFnPointer) => { + mir::CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => { match *operand.layout.ty.kind() { ty::FnDef(def_id, substs) => { let instance = ty::Instance::resolve_for_fn_ptr( @@ -427,7 +431,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { _ => bug!("{} cannot be reified to a fn ptr", operand.layout.ty), } } - mir::CastKind::Pointer(PointerCast::ClosureFnPointer(_)) => { + mir::CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(_)) => { match *operand.layout.ty.kind() { ty::Closure(def_id, substs) => { let instance = Instance::resolve_closure( @@ -443,11 +447,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { _ => bug!("{} cannot be cast to a fn ptr", operand.layout.ty), } } - mir::CastKind::Pointer(PointerCast::UnsafeFnPointer) => { + mir::CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer) => { // This is a no-op at the LLVM level. operand.val } - mir::CastKind::Pointer(PointerCast::Unsize) => { + mir::CastKind::PointerCoercion(PointerCoercion::Unsize) => { assert!(bx.cx().is_backend_scalar_pair(cast)); let (lldata, llextra) = match operand.val { OperandValue::Pair(lldata, llextra) => { @@ -470,7 +474,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { base::unsize_ptr(bx, lldata, operand.layout.ty, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } - mir::CastKind::Pointer(PointerCast::MutToConstPointer) + mir::CastKind::PointerCoercion(PointerCoercion::MutToConstPointer) | mir::CastKind::PtrToPtr if bx.cx().is_backend_scalar_pair(operand.layout) => { @@ -504,8 +508,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { base::cast_to_dyn_star(bx, lldata, operand.layout, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } - mir::CastKind::Pointer( - PointerCast::MutToConstPointer | PointerCast::ArrayToPointer, + mir::CastKind::PointerCoercion( + PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, ) | mir::CastKind::IntToInt | mir::CastKind::FloatToInt diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index b4db3dff3ff..83a072d6f8b 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -4,7 +4,7 @@ use rustc_apfloat::ieee::{Double, Single}; use rustc_apfloat::{Float, FloatConvert}; use rustc_middle::mir::interpret::{InterpResult, PointerArithmetic, Scalar}; use rustc_middle::mir::CastKind; -use rustc_middle::ty::adjustment::PointerCast; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::layout::{IntegerExt, LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, FloatTy, Ty, TypeAndMut}; use rustc_target::abi::Integer; @@ -24,51 +24,52 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { cast_ty: Ty<'tcx>, dest: &PlaceTy<'tcx, M::Provenance>, ) -> InterpResult<'tcx> { - use rustc_middle::mir::CastKind::*; // FIXME: In which cases should we trigger UB when the source is uninit? match cast_kind { - Pointer(PointerCast::Unsize) => { + CastKind::PointerCoercion(PointerCoercion::Unsize) => { let cast_ty = self.layout_of(cast_ty)?; self.unsize_into(src, cast_ty, dest)?; } - PointerExposeAddress => { + CastKind::PointerExposeAddress => { let src = self.read_immediate(src)?; let res = self.pointer_expose_address_cast(&src, cast_ty)?; self.write_immediate(res, dest)?; } - PointerFromExposedAddress => { + CastKind::PointerFromExposedAddress => { let src = self.read_immediate(src)?; let res = self.pointer_from_exposed_address_cast(&src, cast_ty)?; self.write_immediate(res, dest)?; } - IntToInt | IntToFloat => { + CastKind::IntToInt | CastKind::IntToFloat => { let src = self.read_immediate(src)?; let res = self.int_to_int_or_float(&src, cast_ty)?; self.write_immediate(res, dest)?; } - FloatToFloat | FloatToInt => { + CastKind::FloatToFloat | CastKind::FloatToInt => { let src = self.read_immediate(src)?; let res = self.float_to_float_or_int(&src, cast_ty)?; self.write_immediate(res, dest)?; } - FnPtrToPtr | PtrToPtr => { + CastKind::FnPtrToPtr | CastKind::PtrToPtr => { let src = self.read_immediate(&src)?; let res = self.ptr_to_ptr(&src, cast_ty)?; self.write_immediate(res, dest)?; } - Pointer(PointerCast::MutToConstPointer | PointerCast::ArrayToPointer) => { + CastKind::PointerCoercion( + PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, + ) => { // These are NOPs, but can be wide pointers. let v = self.read_immediate(src)?; self.write_immediate(*v, dest)?; } - Pointer(PointerCast::ReifyFnPointer) => { + CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => { // All reifications must be monomorphic, bail out otherwise. ensure_monomorphic_enough(*self.tcx, src.layout.ty)?; @@ -90,7 +91,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - Pointer(PointerCast::UnsafeFnPointer) => { + CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer) => { let src = self.read_immediate(src)?; match cast_ty.kind() { ty::FnPtr(_) => { @@ -101,7 +102,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - Pointer(PointerCast::ClosureFnPointer(_)) => { + CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(_)) => { // All reifications must be monomorphic, bail out otherwise. ensure_monomorphic_enough(*self.tcx, src.layout.ty)?; @@ -122,7 +123,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - DynStar => { + CastKind::DynStar => { if let ty::Dynamic(data, _, ty::DynStar) = cast_ty.kind() { // Initial cast from sized to dyn trait let vtable = self.get_vtable_ptr(src.layout.ty, data.principal())?; @@ -136,7 +137,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - Transmute => { + CastKind::Transmute => { assert!(src.layout.is_sized()); assert!(dest.layout.is_sized()); if src.layout.size != dest.layout.size { diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 24c1fe43d0c..ca1106384fd 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -700,8 +700,13 @@ where assert_eq!(src.layout.size, dest.layout.size); } + // Setting `nonoverlapping` here only has an effect when we don't hit the fast-path above, + // but that should at least match what LLVM does where `memcpy` is also only used when the + // type does not have Scalar/ScalarPair layout. + // (Or as the `Assign` docs put it, assignments "not producing primitives" must be + // non-overlapping.) self.mem_copy( - src.ptr, src.align, dest.ptr, dest.align, dest_size, /*nonoverlapping*/ false, + src.ptr, src.align, dest.ptr, dest.align, dest_size, /*nonoverlapping*/ true, ) } diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/transform/check_consts/check.rs index 28cf9daf1c1..14540e8dfe7 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/check.rs @@ -9,8 +9,8 @@ use rustc_infer::traits::{ImplSource, Obligation, ObligationCause}; use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; -use rustc_middle::ty::{self, adjustment::PointerCast, Instance, InstanceDef, Ty, TyCtxt}; -use rustc_middle::ty::{Binder, TraitRef, TypeVisitableExt}; +use rustc_middle::ty::{self, adjustment::PointerCoercion, Instance, InstanceDef, Ty, TyCtxt}; +use rustc_middle::ty::{TraitRef, TypeVisitableExt}; use rustc_mir_dataflow::{self, Analysis}; use rustc_span::{sym, Span, Symbol}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; @@ -521,12 +521,12 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { } Rvalue::Cast( - CastKind::Pointer( - PointerCast::MutToConstPointer - | PointerCast::ArrayToPointer - | PointerCast::UnsafeFnPointer - | PointerCast::ClosureFnPointer(_) - | PointerCast::ReifyFnPointer, + CastKind::PointerCoercion( + PointerCoercion::MutToConstPointer + | PointerCoercion::ArrayToPointer + | PointerCoercion::UnsafeFnPointer + | PointerCoercion::ClosureFnPointer(_) + | PointerCoercion::ReifyFnPointer, ), _, _, @@ -534,7 +534,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { // These are all okay; they only change the type, not the data. } - Rvalue::Cast(CastKind::Pointer(PointerCast::Unsize), _, _) => { + Rvalue::Cast(CastKind::PointerCoercion(PointerCoercion::Unsize), _, _) => { // Unsizing is implemented for CTFE. } @@ -755,10 +755,9 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { } let trait_ref = TraitRef::from_method(tcx, trait_id, substs); - let poly_trait_pred = - Binder::dummy(trait_ref).with_constness(ty::BoundConstness::ConstIfConst); + let trait_ref = trait_ref.with_constness(ty::BoundConstness::ConstIfConst); let obligation = - Obligation::new(tcx, ObligationCause::dummy(), param_env, poly_trait_pred); + Obligation::new(tcx, ObligationCause::dummy(), param_env, trait_ref); let implsrc = { let infcx = tcx.infer_ctxt().build(); @@ -776,11 +775,11 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { } // Closure: Fn{Once|Mut} Ok(Some(ImplSource::Builtin(_))) - if poly_trait_pred.self_ty().skip_binder().is_closure() + if trait_ref.self_ty().is_closure() && tcx.fn_trait_kind_from_def_id(trait_id).is_some() => { let ty::Closure(closure_def_id, substs) = - *poly_trait_pred.self_ty().no_bound_vars().unwrap().kind() + *trait_ref.self_ty().kind() else { unreachable!() }; @@ -840,7 +839,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { tcx, ObligationCause::dummy_with_span(*fn_span), param_env, - poly_trait_pred, + trait_ref, ); // improve diagnostics by showing what failed. Our requirements are stricter this time diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs index 32bd9cda6f2..4eb278252c1 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs @@ -10,8 +10,8 @@ use rustc_infer::traits::{ImplSource, Obligation, ObligationCause}; use rustc_middle::mir::{self, CallSource}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::subst::{GenericArgKind, SubstsRef}; +use rustc_middle::ty::TraitRef; use rustc_middle::ty::{suggest_constraining_type_param, Adt, Closure, FnDef, FnPtr, Param, Ty}; -use rustc_middle::ty::{Binder, TraitRef}; use rustc_middle::util::{call_kind, CallDesugaringKind, CallKind}; use rustc_session::parse::feature_err; use rustc_span::symbol::sym; @@ -137,12 +137,8 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { } } Adt(..) => { - let obligation = Obligation::new( - tcx, - ObligationCause::dummy(), - param_env, - Binder::dummy(trait_ref), - ); + let obligation = + Obligation::new(tcx, ObligationCause::dummy(), param_env, trait_ref); let infcx = tcx.infer_ctxt().build(); let mut selcx = SelectionContext::new(&infcx); diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 2a6c341b662..4cc923cd935 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -650,7 +650,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { // FIXME: Add Checks for these CastKind::PointerFromExposedAddress | CastKind::PointerExposeAddress - | CastKind::Pointer(_) => {} + | CastKind::PointerCoercion(_) => {} CastKind::IntToInt | CastKind::IntToFloat => { let input_valid = op_ty.is_integral() || op_ty.is_char() || op_ty.is_bool(); let target_valid = target_type.is_numeric() || target_type.is_char(); diff --git a/compiler/rustc_driver/Cargo.toml b/compiler/rustc_driver/Cargo.toml index 86a54f6befd..d7c295418ba 100644 --- a/compiler/rustc_driver/Cargo.toml +++ b/compiler/rustc_driver/Cargo.toml @@ -8,6 +8,3 @@ crate-type = ["dylib"] [dependencies] rustc_driver_impl = { path = "../rustc_driver_impl" } -# FIXME(Nilstrieb): 0.37.12 adds eventfd support for FreeBSD, -# but FreeBSD 12 does not support it: https://github.com/bytecodealliance/rustix/issues/716 -rustix = "=0.37.11" diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index f3ee83fd4d2..51e1fe531dd 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -226,7 +226,7 @@ fn register_functions(bundle: &mut FluentBundle) { pub type LazyFallbackBundle = Lrc<Lazy<FluentBundle, impl FnOnce() -> FluentBundle>>; /// Return the default `FluentBundle` with standard "en-US" diagnostic messages. -#[instrument(level = "trace")] +#[instrument(level = "trace", skip(resources))] pub fn fallback_fluent_bundle( resources: Vec<&'static str>, with_directionality_markers: bool, @@ -242,7 +242,6 @@ pub fn fallback_fluent_bundle( for resource in resources { let resource = FluentResource::try_new(resource.to_string()) .expect("failed to parse fallback fluent resource"); - trace!(?resource); fallback_bundle.add_resource_overriding(resource); } diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 0738961d6ce..166760166c1 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -248,6 +248,9 @@ hir_analysis_static_specialize = cannot specialize on `'static` lifetime hir_analysis_substs_on_overridden_impl = could not resolve substs on overridden impl +hir_analysis_tait_forward_compat = item constrains opaque type that is not in its signature + .note = this item must mention the opaque type in its signature in order to be able to register hidden types + hir_analysis_target_feature_on_main = `main` function is not allowed to have `#[target_feature]` hir_analysis_too_large_static = extern static is too large for the current architecture diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 270b90fa6b2..120545c8e5d 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -722,7 +722,14 @@ pub(super) fn check_specialization_validity<'tcx>( let result = opt_result.unwrap_or(Ok(())); if let Err(parent_impl) = result { - report_forbidden_specialization(tcx, impl_item, parent_impl); + if !tcx.is_impl_trait_in_trait(impl_item) { + report_forbidden_specialization(tcx, impl_item, parent_impl); + } else { + tcx.sess.delay_span_bug( + DUMMY_SP, + format!("parent item: {:?} not marked as default", parent_impl), + ); + } } } @@ -1485,7 +1492,9 @@ fn opaque_type_cycle_error( } for closure_def_id in visitor.closures { - let Some(closure_local_did) = closure_def_id.as_local() else { continue; }; + let Some(closure_local_did) = closure_def_id.as_local() else { + continue; + }; let typeck_results = tcx.typeck(closure_local_did); let mut label_match = |ty: Ty<'_>, span| { diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 7a625dd5932..d4748b7ef0b 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -981,7 +981,7 @@ fn check_type_defn<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item<'tcx>, all_sized: b // intermediate types must be sized. let needs_drop_copy = || { packed && { - let ty = tcx.type_of(variant.fields.raw.last().unwrap().did).subst_identity(); + let ty = tcx.type_of(variant.tail().did).subst_identity(); let ty = tcx.erase_regions(ty); if ty.has_infer() { tcx.sess diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 97a3e01c52a..acd0bcd8e5c 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -22,7 +22,7 @@ use rustc_middle::ty::{self, TyCtxt, TypeSuperVisitable, TypeVisitor}; use rustc_session::lint; use rustc_span::def_id::DefId; use rustc_span::symbol::{sym, Ident}; -use rustc_span::Span; +use rustc_span::{Span, DUMMY_SP}; use std::fmt; use crate::errors; @@ -338,7 +338,17 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { Scope::TraitRefBoundary { .. } => { // We should only see super trait lifetimes if there is a `Binder` above - assert!(supertrait_bound_vars.is_empty()); + // though this may happen when we call `poly_trait_ref_binder_info` with + // an (erroneous, #113423) associated return type bound in an impl header. + if !supertrait_bound_vars.is_empty() { + self.tcx.sess.delay_span_bug( + DUMMY_SP, + format!( + "found supertrait lifetimes without a binder to append \ + them to: {supertrait_bound_vars:?}" + ), + ); + } break (vec![], BinderScopeType::Normal); } diff --git a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs index f4779a3f265..957a6bb3481 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs @@ -6,7 +6,7 @@ use rustc_middle::hir::nested_filter; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::DUMMY_SP; -use crate::errors::UnconstrainedOpaqueType; +use crate::errors::{TaitForwardCompat, UnconstrainedOpaqueType}; /// Checks "defining uses" of opaque `impl Trait` types to ensure that they meet the restrictions /// laid for "higher-order pattern unification". @@ -139,6 +139,15 @@ impl TaitConstraintLocator<'_> { continue; } constrained = true; + if !self.tcx.opaque_types_defined_by(item_def_id).contains(&self.def_id) { + self.tcx.sess.emit_err(TaitForwardCompat { + span: hidden_type.span, + item_span: self + .tcx + .def_ident_span(item_def_id) + .unwrap_or_else(|| self.tcx.def_span(item_def_id)), + }); + } let concrete_type = self.tcx.erase_regions(hidden_type.remap_generic_params_to_declaration_params( opaque_type_key, diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 205e26d0eda..c2d2e5f7e50 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -184,6 +184,16 @@ pub struct UnconstrainedOpaqueType { pub what: &'static str, } +#[derive(Diagnostic)] +#[diag(hir_analysis_tait_forward_compat)] +#[note] +pub struct TaitForwardCompat { + #[primary_span] + pub span: Span, + #[note] + pub item_span: Span, +} + pub struct MissingTypeParams { pub span: Span, pub def_span: Span, diff --git a/compiler/rustc_hir_analysis/src/variance/mod.rs b/compiler/rustc_hir_analysis/src/variance/mod.rs index 49aee6b59a2..066e7449189 100644 --- a/compiler/rustc_hir_analysis/src/variance/mod.rs +++ b/compiler/rustc_hir_analysis/src/variance/mod.rs @@ -7,7 +7,7 @@ use rustc_arena::DroplessArena; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::query::Providers; -use rustc_middle::ty::{self, CrateVariancesMap, ImplTraitInTraitData, SubstsRef, Ty, TyCtxt}; +use rustc_middle::ty::{self, CrateVariancesMap, SubstsRef, Ty, TyCtxt}; use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable}; use std::ops::ControlFlow; @@ -59,13 +59,6 @@ fn variances_of(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Variance] { DefKind::OpaqueTy | DefKind::ImplTraitPlaceholder => { return variance_of_opaque(tcx, item_def_id); } - DefKind::AssocTy => { - if let Some(ImplTraitInTraitData::Trait { .. }) = - tcx.opt_rpitit_info(item_def_id.to_def_id()) - { - return variance_of_opaque(tcx, item_def_id); - } - } _ => {} } @@ -125,7 +118,8 @@ fn variance_of_opaque(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Varianc // FIXME(-Zlower-impl-trait-in-trait-to-assoc-ty) check whether this is necessary // at all for RPITITs. ty::Alias(_, ty::AliasTy { def_id, substs, .. }) - if self.tcx.is_impl_trait_in_trait(*def_id) => + if self.tcx.is_impl_trait_in_trait(*def_id) + && !self.tcx.lower_impl_trait_in_trait_to_assoc_ty() => { self.visit_opaque(*def_id, substs) } diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs index 71799387458..633933317c0 100644 --- a/compiler/rustc_hir_typeck/src/cast.rs +++ b/compiler/rustc_hir_typeck/src/cast.rs @@ -103,15 +103,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Ok(match *t.kind() { ty::Slice(_) | ty::Str => Some(PointerKind::Length), ty::Dynamic(ref tty, _, ty::Dyn) => Some(PointerKind::VTable(tty.principal_def_id())), - ty::Adt(def, substs) if def.is_struct() => { - match def.non_enum_variant().fields.raw.last() { - None => Some(PointerKind::Thin), - Some(f) => { - let field_ty = self.field_ty(span, f, substs); - self.pointer_kind(field_ty, span)? - } + ty::Adt(def, substs) if def.is_struct() => match def.non_enum_variant().tail_opt() { + None => Some(PointerKind::Thin), + Some(f) => { + let field_ty = self.field_ty(span, f, substs); + self.pointer_kind(field_ty, span)? } - } + }, ty::Tuple(fields) => match fields.last() { None => Some(PointerKind::Thin), Some(&f) => self.pointer_kind(f, span)?, diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index ea6ae094f09..dc58d99ed9d 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -47,7 +47,7 @@ use rustc_infer::infer::{Coercion, DefineOpaqueTypes, InferOk, InferResult}; use rustc_infer::traits::{Obligation, PredicateObligation}; use rustc_middle::lint::in_external_macro; use rustc_middle::ty::adjustment::{ - Adjust, Adjustment, AllowTwoPhase, AutoBorrow, AutoBorrowMutability, PointerCast, + Adjust, Adjustment, AllowTwoPhase, AutoBorrow, AutoBorrowMutability, PointerCoercion, }; use rustc_middle::ty::error::TypeError; use rustc_middle::ty::relate::RelateResult; @@ -592,7 +592,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { }; let coerce_target = self.next_ty_var(origin); let mut coercion = self.unify_and(coerce_target, target, |target| { - let unsize = Adjustment { kind: Adjust::Pointer(PointerCast::Unsize), target }; + let unsize = Adjustment { kind: Adjust::Pointer(PointerCoercion::Unsize), target }; match reborrow { None => vec![unsize], Some((ref deref, ref autoref)) => vec![deref.clone(), autoref.clone(), unsize], @@ -632,9 +632,8 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { while !queue.is_empty() { let obligation = queue.remove(0); debug!("coerce_unsized resolve step: {:?}", obligation); - let bound_predicate = obligation.predicate.kind(); - let trait_pred = match bound_predicate.skip_binder() { - ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred)) + let trait_pred = match obligation.predicate.kind().no_bound_vars() { + Some(ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred))) if traits.contains(&trait_pred.def_id()) => { if unsize_did == trait_pred.def_id() { @@ -652,7 +651,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { has_unsized_tuple_coercion = true; } } - bound_predicate.rebind(trait_pred) + trait_pred } _ => { coercion.obligations.push(obligation); @@ -664,8 +663,8 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { Ok(None) => { if trait_pred.def_id() == unsize_did { let trait_pred = self.resolve_vars_if_possible(trait_pred); - let self_ty = trait_pred.skip_binder().self_ty(); - let unsize_ty = trait_pred.skip_binder().trait_ref.substs[1].expect_ty(); + let self_ty = trait_pred.self_ty(); + let unsize_ty = trait_pred.trait_ref.substs[1].expect_ty(); debug!("coerce_unsized: ambiguous unsize case for {:?}", trait_pred); match (self_ty.kind(), unsize_ty.kind()) { (&ty::Infer(ty::TyVar(v)), ty::Dynamic(..)) @@ -850,7 +849,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { a, fn_ty_a, b, - simple(Adjust::Pointer(PointerCast::UnsafeFnPointer)), + simple(Adjust::Pointer(PointerCoercion::UnsafeFnPointer)), identity, ) } @@ -894,16 +893,16 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { |unsafe_ty| { vec![ Adjustment { - kind: Adjust::Pointer(PointerCast::ReifyFnPointer), + kind: Adjust::Pointer(PointerCoercion::ReifyFnPointer), target: a_fn_pointer, }, Adjustment { - kind: Adjust::Pointer(PointerCast::UnsafeFnPointer), + kind: Adjust::Pointer(PointerCoercion::UnsafeFnPointer), target: unsafe_ty, }, ] }, - simple(Adjust::Pointer(PointerCast::ReifyFnPointer)), + simple(Adjust::Pointer(PointerCoercion::ReifyFnPointer)), )?; obligations.extend(o2); @@ -953,7 +952,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { self.unify_and( pointer_ty, b, - simple(Adjust::Pointer(PointerCast::ClosureFnPointer(unsafety))), + simple(Adjust::Pointer(PointerCoercion::ClosureFnPointer(unsafety))), ) } _ => self.unify_and(a, b, identity), @@ -988,7 +987,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { ] }) } else if mt_a.mutbl != mutbl_b { - self.unify_and(a_unsafe, b, simple(Adjust::Pointer(PointerCast::MutToConstPointer))) + self.unify_and(a_unsafe, b, simple(Adjust::Pointer(PointerCoercion::MutToConstPointer))) } else { self.unify_and(a_unsafe, b, identity) } @@ -1188,13 +1187,17 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Reify both sides and return the reified fn pointer type. let fn_ptr = Ty::new_fn_ptr(self.tcx, sig); let prev_adjustment = match prev_ty.kind() { - ty::Closure(..) => Adjust::Pointer(PointerCast::ClosureFnPointer(a_sig.unsafety())), - ty::FnDef(..) => Adjust::Pointer(PointerCast::ReifyFnPointer), + ty::Closure(..) => { + Adjust::Pointer(PointerCoercion::ClosureFnPointer(a_sig.unsafety())) + } + ty::FnDef(..) => Adjust::Pointer(PointerCoercion::ReifyFnPointer), _ => unreachable!(), }; let next_adjustment = match new_ty.kind() { - ty::Closure(..) => Adjust::Pointer(PointerCast::ClosureFnPointer(b_sig.unsafety())), - ty::FnDef(..) => Adjust::Pointer(PointerCast::ReifyFnPointer), + ty::Closure(..) => { + Adjust::Pointer(PointerCoercion::ClosureFnPointer(b_sig.unsafety())) + } + ty::FnDef(..) => Adjust::Pointer(PointerCoercion::ReifyFnPointer), _ => unreachable!(), }; for expr in exprs.iter().map(|e| e.as_coercion_site()) { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 4bd4f2d7e9c..41f5fafe72f 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1982,7 +1982,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.tcx, traits::ObligationCause::dummy(), self.param_env, - ty::Binder::dummy(trait_ref), + trait_ref, ); match SelectionContext::new(&self).select(&obligation) { Ok(Some(traits::ImplSource::UserDefined(impl_source))) => { diff --git a/compiler/rustc_hir_typeck/src/inherited.rs b/compiler/rustc_hir_typeck/src/inherited.rs index 05e5db9f0f3..d5619af2aae 100644 --- a/compiler/rustc_hir_typeck/src/inherited.rs +++ b/compiler/rustc_hir_typeck/src/inherited.rs @@ -80,7 +80,7 @@ impl<'tcx> Inherited<'tcx> { let infcx = tcx .infer_ctxt() .ignoring_regions() - .with_opaque_type_inference(DefiningAnchor::Bind(hir_owner.def_id)) + .with_opaque_type_inference(DefiningAnchor::Bind(def_id)) .build(); let typeck_results = RefCell::new(ty::TypeckResults::new(hir_owner)); diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 55ad99e55af..87edb803148 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -10,7 +10,7 @@ use rustc_hir_analysis::astconv::generics::{ use rustc_hir_analysis::astconv::{AstConv, CreateSubstsForGenericArgsCtxt, IsMethodCall}; use rustc_infer::infer::{self, DefineOpaqueTypes, InferOk}; use rustc_middle::traits::{ObligationCauseCode, UnifyReceiverContext}; -use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCast}; +use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCoercion}; use rustc_middle::ty::adjustment::{AllowTwoPhase, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::subst::{self, SubstsRef}; @@ -212,8 +212,10 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { region, ty::TypeAndMut { mutbl: mutbl.into(), ty: unsized_ty }, ); - adjustments - .push(Adjustment { kind: Adjust::Pointer(PointerCast::Unsize), target }); + adjustments.push(Adjustment { + kind: Adjust::Pointer(PointerCoercion::Unsize), + target, + }); } } Some(probe::AutorefOrPtrAdjustment::ToConstPtr) => { @@ -226,7 +228,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { }; adjustments.push(Adjustment { - kind: Adjust::Pointer(PointerCast::MutToConstPointer), + kind: Adjust::Pointer(PointerCoercion::MutToConstPointer), target, }); } diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 52e62837f35..03a3eebbdf5 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1441,8 +1441,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { trait_ref: ty::TraitRef<'tcx>, ) -> traits::SelectionResult<'tcx, traits::Selection<'tcx>> { let cause = traits::ObligationCause::misc(self.span, self.body_id); - let predicate = ty::Binder::dummy(trait_ref); - let obligation = traits::Obligation::new(self.tcx, cause, self.param_env, predicate); + let obligation = traits::Obligation::new(self.tcx, cause, self.param_env, trait_ref); traits::SelectionContext::new(self).select(&obligation) } diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 19f82fbd3bf..42f4531c0ef 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -394,8 +394,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut pat_ty = ty; if let hir::ExprKind::Lit(Spanned { node: ast::LitKind::ByteStr(..), .. }) = lt.kind { let expected = self.structurally_resolve_type(span, expected); - if let ty::Ref(_, inner_ty, _) = expected.kind() - && matches!(inner_ty.kind(), ty::Slice(_)) + if let ty::Ref(_, inner_ty, _) = *expected.kind() + && self.try_structurally_resolve_type(span, inner_ty).is_slice() { let tcx = self.tcx; trace!(?lt.hir_id.local_id, "polymorphic byte string lit"); diff --git a/compiler/rustc_hir_typeck/src/place_op.rs b/compiler/rustc_hir_typeck/src/place_op.rs index 826cee3f982..fd43b475e3a 100644 --- a/compiler/rustc_hir_typeck/src/place_op.rs +++ b/compiler/rustc_hir_typeck/src/place_op.rs @@ -6,7 +6,7 @@ use rustc_hir as hir; use rustc_hir_analysis::autoderef::Autoderef; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::InferOk; -use rustc_middle::ty::adjustment::{Adjust, Adjustment, OverloadedDeref, PointerCast}; +use rustc_middle::ty::adjustment::{Adjust, Adjustment, OverloadedDeref, PointerCoercion}; use rustc_middle::ty::adjustment::{AllowTwoPhase, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::{self, Ty}; use rustc_span::symbol::{sym, Ident}; @@ -173,7 +173,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if unsize { adjustments.push(Adjustment { - kind: Adjust::Pointer(PointerCast::Unsize), + kind: Adjust::Pointer(PointerCoercion::Unsize), target: method.sig.inputs()[0], }); } @@ -441,7 +441,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let [ .., Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(..)), .. }, - Adjustment { kind: Adjust::Pointer(PointerCast::Unsize), ref mut target }, + Adjustment { kind: Adjust::Pointer(PointerCoercion::Unsize), ref mut target }, ] = adjustments[..] { *target = method.sig.inputs()[0]; diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index 01332483a06..10645753609 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -11,7 +11,7 @@ use rustc_hir::intravisit::{self, Visitor}; use rustc_infer::infer::error_reporting::TypeAnnotationNeeded::E0282; use rustc_middle::hir::place::Place as HirPlace; use rustc_middle::mir::FakeReadCause; -use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCast}; +use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCoercion}; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::{self, ClosureSizeProfileData, Ty, TyCtxt}; @@ -251,7 +251,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { // Since this is "after" the other adjustment to be // discarded, we do an extra `pop()` if let Some(Adjustment { - kind: Adjust::Pointer(PointerCast::Unsize), .. + kind: Adjust::Pointer(PointerCoercion::Unsize), .. }) = a.pop() { // So the borrow discard actually happens here diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index c9a8f8131df..63613b59020 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -257,7 +257,7 @@ impl<T> Trait<T> for X { ); } } - (ty::Alias(ty::Opaque, alias), _) | (_, ty::Alias(ty::Opaque, alias)) if alias.def_id.is_local() && matches!(tcx.def_kind(body_owner_def_id), DefKind::AssocFn | DefKind::AssocConst) => { + (ty::Alias(ty::Opaque, alias), _) | (_, ty::Alias(ty::Opaque, alias)) if alias.def_id.is_local() && matches!(tcx.def_kind(body_owner_def_id), DefKind::Fn | DefKind::Static(_) | DefKind::Const | DefKind::AssocFn | DefKind::AssocConst) => { if tcx.is_type_alias_impl_trait(alias.def_id) { if !tcx.opaque_types_defined_by(body_owner_def_id.expect_local()).contains(&alias.def_id.expect_local()) { let sp = tcx.def_ident_span(body_owner_def_id).unwrap_or_else(|| tcx.def_span(body_owner_def_id)); diff --git a/compiler/rustc_infer/src/infer/opaque_types.rs b/compiler/rustc_infer/src/infer/opaque_types.rs index 3098b8bc2f9..5927f79a183 100644 --- a/compiler/rustc_infer/src/infer/opaque_types.rs +++ b/compiler/rustc_infer/src/infer/opaque_types.rs @@ -473,17 +473,6 @@ where } } - ty::Alias(ty::Projection, proj) if self.tcx.is_impl_trait_in_trait(proj.def_id) => { - // Skip lifetime parameters that are not captures. - let variances = self.tcx.variances_of(proj.def_id); - - for (v, s) in std::iter::zip(variances, proj.substs.iter()) { - if *v != ty::Variance::Bivariant { - s.visit_with(self); - } - } - } - _ => { ty.super_visit_with(self); } diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index 6da490a90ee..626dd9359a1 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -62,7 +62,8 @@ impl<'tcx, P> From<Obligation<'tcx, P>> for solve::Goal<'tcx, P> { } pub type PredicateObligation<'tcx> = Obligation<'tcx, ty::Predicate<'tcx>>; -pub type TraitObligation<'tcx> = Obligation<'tcx, ty::PolyTraitPredicate<'tcx>>; +pub type TraitObligation<'tcx> = Obligation<'tcx, ty::TraitPredicate<'tcx>>; +pub type PolyTraitObligation<'tcx> = Obligation<'tcx, ty::PolyTraitPredicate<'tcx>>; impl<'tcx> PredicateObligation<'tcx> { /// Flips the polarity of the inner predicate. @@ -86,7 +87,7 @@ impl<'tcx> PredicateObligation<'tcx> { } } -impl<'tcx> TraitObligation<'tcx> { +impl<'tcx> PolyTraitObligation<'tcx> { /// Returns `true` if the trait predicate is considered `const` in its ParamEnv. pub fn is_const(&self) -> bool { matches!( @@ -193,7 +194,7 @@ impl<'tcx> FulfillmentError<'tcx> { } } -impl<'tcx> TraitObligation<'tcx> { +impl<'tcx> PolyTraitObligation<'tcx> { pub fn polarity(&self) -> ty::ImplPolarity { self.predicate.skip_binder().polarity } diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index efb01b0faba..28c50587800 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -2014,7 +2014,7 @@ impl<'tcx> Rvalue<'tcx> { | CastKind::IntToFloat | CastKind::FnPtrToPtr | CastKind::PtrToPtr - | CastKind::Pointer(_) + | CastKind::PointerCoercion(_) | CastKind::PointerFromExposedAddress | CastKind::DynStar | CastKind::Transmute, diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index abb3b3d953b..7f1d3820341 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -7,7 +7,7 @@ use super::{BasicBlock, Constant, Local, SwitchTargets, UserTypeProjection}; use crate::mir::coverage::{CodeRegion, CoverageKind}; use crate::traits::Reveal; -use crate::ty::adjustment::PointerCast; +use crate::ty::adjustment::PointerCoercion; use crate::ty::subst::SubstsRef; use crate::ty::{self, List, Ty}; use crate::ty::{Region, UserTypeAnnotationIndex}; @@ -1230,9 +1230,9 @@ pub enum CastKind { /// An address-to-pointer cast that picks up an exposed provenance. /// See the docs on `from_exposed_addr` for more details. PointerFromExposedAddress, - /// All sorts of pointer-to-pointer casts. Note that reference-to-raw-ptr casts are + /// Pointer related casts that are done by coercions. Note that reference-to-raw-ptr casts are /// translated into `&raw mut/const *r`, i.e., they are not actually casts. - Pointer(PointerCast), + PointerCoercion(PointerCoercion), /// Cast into a dyn* object. DynStar, IntToInt, diff --git a/compiler/rustc_middle/src/query/keys.rs b/compiler/rustc_middle/src/query/keys.rs index 0119e07a44e..28e699cd269 100644 --- a/compiler/rustc_middle/src/query/keys.rs +++ b/compiler/rustc_middle/src/query/keys.rs @@ -318,11 +318,11 @@ impl<'tcx> Key for (LocalDefId, DefId, SubstsRef<'tcx>) { } } -impl<'tcx> Key for (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>) { +impl<'tcx> Key for (ty::ParamEnv<'tcx>, ty::TraitRef<'tcx>) { type CacheSelector = DefaultCacheSelector<Self>; fn default_span(&self, tcx: TyCtxt<'_>) -> Span { - tcx.def_span(self.1.def_id()) + tcx.def_span(self.1.def_id) } } diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index d58a1a65533..a059590e6ad 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1278,7 +1278,7 @@ rustc_queries! { } query codegen_select_candidate( - key: (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>) + key: (ty::ParamEnv<'tcx>, ty::TraitRef<'tcx>) ) -> Result<&'tcx ImplSource<'tcx, ()>, CodegenObligationError> { cache_on_disk_if { true } desc { |tcx| "computing candidate for `{}`", key.1 } diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs index 0f3ad6d0151..e9af5070e5e 100644 --- a/compiler/rustc_middle/src/thir.rs +++ b/compiler/rustc_middle/src/thir.rs @@ -18,7 +18,7 @@ use rustc_index::IndexVec; use rustc_middle::middle::region; use rustc_middle::mir::interpret::AllocId; use rustc_middle::mir::{self, BinOp, BorrowKind, FakeReadCause, Mutability, UnOp}; -use rustc_middle::ty::adjustment::PointerCast; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{self, AdtDef, FnSig, List, Ty, UpvarSubsts}; use rustc_middle::ty::{CanonicalUserType, CanonicalUserTypeAnnotation}; @@ -329,9 +329,10 @@ pub enum ExprKind<'tcx> { NeverToAny { source: ExprId, }, - /// A pointer cast. More information can be found in [`PointerCast`]. - Pointer { - cast: PointerCast, + /// A pointer coercion. More information can be found in [`PointerCoercion`]. + /// Pointer casts that cannot be done by coercions are represented by [`ExprKind::Cast`]. + PointerCoercion { + cast: PointerCoercion, source: ExprId, }, /// A `loop` expression. diff --git a/compiler/rustc_middle/src/thir/visit.rs b/compiler/rustc_middle/src/thir/visit.rs index 9cc07677e0e..14bc1ac0ce7 100644 --- a/compiler/rustc_middle/src/thir/visit.rs +++ b/compiler/rustc_middle/src/thir/visit.rs @@ -65,7 +65,7 @@ pub fn walk_expr<'a, 'tcx: 'a, V: Visitor<'a, 'tcx>>(visitor: &mut V, expr: &Exp Cast { source } => visitor.visit_expr(&visitor.thir()[source]), Use { source } => visitor.visit_expr(&visitor.thir()[source]), NeverToAny { source } => visitor.visit_expr(&visitor.thir()[source]), - Pointer { source, cast: _ } => visitor.visit_expr(&visitor.thir()[source]), + PointerCoercion { source, cast: _ } => visitor.visit_expr(&visitor.thir()[source]), Let { expr, .. } => { visitor.visit_expr(&visitor.thir()[expr]); } diff --git a/compiler/rustc_middle/src/ty/adjustment.rs b/compiler/rustc_middle/src/ty/adjustment.rs index a4893684bc8..76931ceaa69 100644 --- a/compiler/rustc_middle/src/ty/adjustment.rs +++ b/compiler/rustc_middle/src/ty/adjustment.rs @@ -6,7 +6,7 @@ use rustc_span::Span; use rustc_target::abi::FieldIdx; #[derive(Clone, Copy, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)] -pub enum PointerCast { +pub enum PointerCoercion { /// Go from a fn-item type to a fn-pointer type. ReifyFnPointer, @@ -99,7 +99,7 @@ pub enum Adjust<'tcx> { /// Take the address and produce either a `&` or `*` pointer. Borrow(AutoBorrow<'tcx>), - Pointer(PointerCast), + Pointer(PointerCoercion), /// Cast into a dyn* object. DynStar, diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 0fe801ad2ed..d95b05ef754 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1110,12 +1110,11 @@ where /// /// This takes two primary parameters: /// -/// * `codegen_fn_attr_flags` - these are flags calculated as part of the -/// codegen attrs for a defined function. For function pointers this set of -/// flags is the empty set. This is only applicable for Rust-defined -/// functions, and generally isn't needed except for small optimizations where -/// we try to say a function which otherwise might look like it could unwind -/// doesn't actually unwind (such as for intrinsics and such). +/// * `fn_def_id` - the `DefId` of the function. If this is provided then we can +/// determine more precisely if the function can unwind. If this is not provided +/// then we will only infer whether the function can unwind or not based on the +/// ABI of the function. For example, a function marked with `#[rustc_nounwind]` +/// is known to not unwind even if it's using Rust ABI. /// /// * `abi` - this is the ABI that the function is defined with. This is the /// primary factor for determining whether a function can unwind or not. @@ -1147,11 +1146,6 @@ where /// aborts the process. /// * This affects whether functions have the LLVM `nounwind` attribute, which /// affects various optimizations and codegen. -/// -/// FIXME: this is actually buggy with respect to Rust functions. Rust functions -/// compiled with `-Cpanic=unwind` and referenced from another crate compiled -/// with `-Cpanic=abort` will look like they can't unwind when in fact they -/// might (from a foreign exception or similar). #[inline] #[tracing::instrument(level = "debug", skip(tcx))] pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option<DefId>, abi: SpecAbi) -> bool { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index c100c45b61a..aa8bfd3178c 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -1306,6 +1306,13 @@ impl<'tcx> ToPredicate<'tcx> for TraitRef<'tcx> { } } +impl<'tcx> ToPredicate<'tcx, TraitPredicate<'tcx>> for TraitRef<'tcx> { + #[inline(always)] + fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> TraitPredicate<'tcx> { + self.without_const() + } +} + impl<'tcx> ToPredicate<'tcx, Clause<'tcx>> for TraitRef<'tcx> { #[inline(always)] fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Clause<'tcx> { @@ -2028,6 +2035,22 @@ impl VariantDef { &self.fields[FieldIdx::from_u32(0)] } + + /// Returns the last field in this variant, if present. + #[inline] + pub fn tail_opt(&self) -> Option<&FieldDef> { + self.fields.raw.last() + } + + /// Returns the last field in this variant. + /// + /// # Panics + /// + /// Panics, if the variant has no fields. + #[inline] + pub fn tail(&self) -> &FieldDef { + self.tail_opt().expect("expected unsized ADT to have a tail field") + } } impl PartialEq for VariantDef { diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 4a639a2a0fe..7220d133f68 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -332,7 +332,7 @@ TrivialTypeTraversalAndLiftImpls! { crate::ty::IntVarValue, crate::ty::ParamConst, crate::ty::ParamTy, - crate::ty::adjustment::PointerCast, + crate::ty::adjustment::PointerCoercion, crate::ty::RegionVid, crate::ty::UniverseIndex, crate::ty::Variance, diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 720d770eed4..e2e4a2dbdc8 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -230,7 +230,7 @@ impl<'tcx> TyCtxt<'tcx> { if !def.is_struct() { break; } - match def.non_enum_variant().fields.raw.last() { + match def.non_enum_variant().tail_opt() { Some(field) => { f(); ty = field.ty(self, substs); @@ -304,7 +304,7 @@ impl<'tcx> TyCtxt<'tcx> { (&ty::Adt(a_def, a_substs), &ty::Adt(b_def, b_substs)) if a_def == b_def && a_def.is_struct() => { - if let Some(f) = a_def.non_enum_variant().fields.raw.last() { + if let Some(f) = a_def.non_enum_variant().tail_opt() { a = f.ty(self, a_substs); b = f.ty(self, b_substs); } else { diff --git a/compiler/rustc_mir_build/src/build/expr/as_place.rs b/compiler/rustc_mir_build/src/build/expr/as_place.rs index ac2d099be50..60acd279f9e 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_place.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_place.rs @@ -535,7 +535,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { | ExprKind::Cast { .. } | ExprKind::Use { .. } | ExprKind::NeverToAny { .. } - | ExprKind::Pointer { .. } + | ExprKind::PointerCoercion { .. } | ExprKind::Repeat { .. } | ExprKind::Borrow { .. } | ExprKind::AddressOf { .. } diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs index 5c886ac4d9b..32ffb990be6 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs @@ -300,7 +300,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let cast_kind = mir_cast_kind(ty, expr.ty); block.and(Rvalue::Cast(cast_kind, source, expr.ty)) } - ExprKind::Pointer { cast, source } => { + ExprKind::PointerCoercion { cast, source } => { let source = unpack!( block = this.as_operand( block, @@ -310,7 +310,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { NeedsTemporary::No ) ); - block.and(Rvalue::Cast(CastKind::Pointer(cast), source, expr.ty)) + block.and(Rvalue::Cast(CastKind::PointerCoercion(cast), source, expr.ty)) } ExprKind::Array { ref fields } => { // (*) We would (maybe) be closer to codegen if we diff --git a/compiler/rustc_mir_build/src/build/expr/category.rs b/compiler/rustc_mir_build/src/build/expr/category.rs index 2fe9cac6378..e07ba6b6e93 100644 --- a/compiler/rustc_mir_build/src/build/expr/category.rs +++ b/compiler/rustc_mir_build/src/build/expr/category.rs @@ -63,7 +63,7 @@ impl Category { | ExprKind::Binary { .. } | ExprKind::Box { .. } | ExprKind::Cast { .. } - | ExprKind::Pointer { .. } + | ExprKind::PointerCoercion { .. } | ExprKind::Repeat { .. } | ExprKind::Assign { .. } | ExprKind::AssignOp { .. } diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs index 91c464252f1..e30fdcbbe18 100644 --- a/compiler/rustc_mir_build/src/build/expr/into.rs +++ b/compiler/rustc_mir_build/src/build/expr/into.rs @@ -556,7 +556,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { | ExprKind::Binary { .. } | ExprKind::Box { .. } | ExprKind::Cast { .. } - | ExprKind::Pointer { .. } + | ExprKind::PointerCoercion { .. } | ExprKind::Repeat { .. } | ExprKind::Array { .. } | ExprKind::Tuple { .. } diff --git a/compiler/rustc_mir_build/src/build/matches/test.rs b/compiler/rustc_mir_build/src/build/matches/test.rs index 3a2c506bb98..e6806177dec 100644 --- a/compiler/rustc_mir_build/src/build/matches/test.rs +++ b/compiler/rustc_mir_build/src/build/matches/test.rs @@ -16,7 +16,7 @@ use rustc_middle::mir::*; use rustc_middle::thir::*; use rustc_middle::ty::util::IntTypeExt; use rustc_middle::ty::GenericArg; -use rustc_middle::ty::{self, adjustment::PointerCast, Ty, TyCtxt}; +use rustc_middle::ty::{self, adjustment::PointerCoercion, Ty, TyCtxt}; use rustc_span::def_id::DefId; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; @@ -423,7 +423,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { source_info, temp, Rvalue::Cast( - CastKind::Pointer(PointerCast::Unsize), + CastKind::PointerCoercion(PointerCoercion::Unsize), Operand::Copy(val), ty, ), @@ -436,7 +436,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { block, source_info, slice, - Rvalue::Cast(CastKind::Pointer(PointerCast::Unsize), expect, ty), + Rvalue::Cast( + CastKind::PointerCoercion(PointerCoercion::Unsize), + expect, + ty, + ), ); expect = Operand::Move(slice); } diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index 105564b7874..6b2b140fa25 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -303,7 +303,7 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> { | ExprKind::NeverToAny { .. } | ExprKind::PlaceTypeAscription { .. } | ExprKind::ValueTypeAscription { .. } - | ExprKind::Pointer { .. } + | ExprKind::PointerCoercion { .. } | ExprKind::Repeat { .. } | ExprKind::StaticRef { .. } | ExprKind::ThreadLocalRef { .. } diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index a5c141b71f6..37537683f0d 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -13,7 +13,7 @@ use rustc_middle::middle::region; use rustc_middle::mir::{self, BinOp, BorrowKind, UnOp}; use rustc_middle::thir::*; use rustc_middle::ty::adjustment::{ - Adjust, Adjustment, AutoBorrow, AutoBorrowMutability, PointerCast, + Adjust, Adjustment, AutoBorrow, AutoBorrowMutability, PointerCoercion, }; use rustc_middle::ty::subst::InternalSubsts; use rustc_middle::ty::{ @@ -125,11 +125,16 @@ impl<'tcx> Cx<'tcx> { }; let kind = match adjustment.kind { - Adjust::Pointer(PointerCast::Unsize) => { + Adjust::Pointer(PointerCoercion::Unsize) => { adjust_span(&mut expr); - ExprKind::Pointer { cast: PointerCast::Unsize, source: self.thir.exprs.push(expr) } + ExprKind::PointerCoercion { + cast: PointerCoercion::Unsize, + source: self.thir.exprs.push(expr), + } + } + Adjust::Pointer(cast) => { + ExprKind::PointerCoercion { cast, source: self.thir.exprs.push(expr) } } - Adjust::Pointer(cast) => ExprKind::Pointer { cast, source: self.thir.exprs.push(expr) }, Adjust::NeverToAny if adjustment.target.is_never() => return expr, Adjust::NeverToAny => ExprKind::NeverToAny { source: self.thir.exprs.push(expr) }, Adjust::Deref(None) => { @@ -192,9 +197,9 @@ impl<'tcx> Cx<'tcx> { // Special cased so that we can type check that the element // type of the source matches the pointed to type of the // destination. - ExprKind::Pointer { + ExprKind::PointerCoercion { source: self.mirror_expr(source), - cast: PointerCast::ArrayToPointer, + cast: PointerCoercion::ArrayToPointer, } } else { // check whether this is casting an enum variant discriminant @@ -210,17 +215,18 @@ impl<'tcx> Cx<'tcx> { // so we wouldn't have to compute and store the actual value let hir::ExprKind::Path(ref qpath) = source.kind else { - return ExprKind::Cast { source: self.mirror_expr(source)}; + return ExprKind::Cast { source: self.mirror_expr(source) }; }; let res = self.typeck_results().qpath_res(qpath, source.hir_id); let ty = self.typeck_results().node_type(source.hir_id); let ty::Adt(adt_def, substs) = ty.kind() else { - return ExprKind::Cast { source: self.mirror_expr(source)}; + return ExprKind::Cast { source: self.mirror_expr(source) }; }; - let Res::Def(DefKind::Ctor(CtorOf::Variant, CtorKind::Const), variant_ctor_id) = res else { - return ExprKind::Cast { source: self.mirror_expr(source)}; + let Res::Def(DefKind::Ctor(CtorOf::Variant, CtorKind::Const), variant_ctor_id) = res + else { + return ExprKind::Cast { source: self.mirror_expr(source) }; }; let idx = adt_def.variant_index_with_ctor_id(variant_ctor_id); @@ -353,19 +359,35 @@ impl<'tcx> Cx<'tcx> { }); } } - let adt_data = - if let hir::ExprKind::Path(hir::QPath::Resolved(_, ref path)) = fun.kind { - // Tuple-like ADTs are represented as ExprKind::Call. We convert them here. - expr_ty.ty_adt_def().and_then(|adt_def| match path.res { - Res::Def(DefKind::Ctor(_, CtorKind::Fn), ctor_id) => { + + // Tuple-like ADTs are represented as ExprKind::Call. We convert them here. + let adt_data = if let hir::ExprKind::Path(ref qpath) = fun.kind + && let Some(adt_def) = expr_ty.ty_adt_def() { + match qpath { + hir::QPath::Resolved(_, ref path) => { + match path.res { + Res::Def(DefKind::Ctor(_, CtorKind::Fn), ctor_id) => { + Some((adt_def, adt_def.variant_index_with_ctor_id(ctor_id))) + } + Res::SelfCtor(..) => Some((adt_def, FIRST_VARIANT)), + _ => None, + } + } + hir::QPath::TypeRelative(_ty, _) => { + if let Some((DefKind::Ctor(_, CtorKind::Fn), ctor_id)) = + self.typeck_results().type_dependent_def(fun.hir_id) + { Some((adt_def, adt_def.variant_index_with_ctor_id(ctor_id))) + } else { + None } - Res::SelfCtor(..) => Some((adt_def, FIRST_VARIANT)), - _ => None, - }) - } else { - None - }; + + } + _ => None, + } + } else { + None + }; if let Some((adt_def, index)) = adt_data { let substs = self.typeck_results().node_substs(fun.hir_id); let user_provided_types = self.typeck_results().user_provided_types(); diff --git a/compiler/rustc_mir_build/src/thir/print.rs b/compiler/rustc_mir_build/src/thir/print.rs index 0b6029bf388..8d7c624a805 100644 --- a/compiler/rustc_mir_build/src/thir/print.rs +++ b/compiler/rustc_mir_build/src/thir/print.rs @@ -301,7 +301,7 @@ impl<'a, 'tcx> ThirPrinter<'a, 'tcx> { self.print_expr(*source, depth_lvl + 2); print_indented!(self, "}", depth_lvl); } - Pointer { cast, source } => { + PointerCoercion { cast, source } => { print_indented!(self, "Pointer {", depth_lvl); print_indented!(self, format!("cast: {:?}", cast), depth_lvl + 1); print_indented!(self, "source:", depth_lvl + 1); diff --git a/compiler/rustc_mir_transform/src/normalize_array_len.rs b/compiler/rustc_mir_transform/src/normalize_array_len.rs index 3d61d33ce35..6c3b7c58fab 100644 --- a/compiler/rustc_mir_transform/src/normalize_array_len.rs +++ b/compiler/rustc_mir_transform/src/normalize_array_len.rs @@ -41,7 +41,7 @@ fn compute_slice_length<'tcx>( for (local, rvalue, _) in ssa.assignments(body) { match rvalue { Rvalue::Cast( - CastKind::Pointer(ty::adjustment::PointerCast::Unsize), + CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize), operand, cast_ty, ) => { diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 4a5953c1149..242269e9d1a 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -176,7 +176,7 @@ use rustc_middle::mir::mono::{InstantiationMode, MonoItem}; use rustc_middle::mir::visit::Visitor as MirVisitor; use rustc_middle::mir::{self, Local, Location}; use rustc_middle::query::TyCtxtAt; -use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCast}; +use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCoercion}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; use rustc_middle::ty::{ @@ -231,8 +231,8 @@ impl<'tcx> UsageMap<'tcx> { assert!(self.used_map.insert(user_item, used_items).is_none()); } - pub fn get_user_items(&self, item: MonoItem<'tcx>) -> Option<&[MonoItem<'tcx>]> { - self.user_map.get(&item).map(|items| items.as_slice()) + pub fn get_user_items(&self, item: MonoItem<'tcx>) -> &[MonoItem<'tcx>] { + self.user_map.get(&item).map(|items| items.as_slice()).unwrap_or(&[]) } /// Internally iterate over all inlined items used by `item`. @@ -617,7 +617,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> { // have to instantiate all methods of the trait being cast to, so we // can build the appropriate vtable. mir::Rvalue::Cast( - mir::CastKind::Pointer(PointerCast::Unsize), + mir::CastKind::PointerCoercion(PointerCoercion::Unsize), ref operand, target_ty, ) @@ -643,7 +643,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> { } } mir::Rvalue::Cast( - mir::CastKind::Pointer(PointerCast::ReifyFnPointer), + mir::CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer), ref operand, _, ) => { @@ -652,7 +652,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> { visit_fn_use(self.tcx, fn_ty, false, span, &mut self.output); } mir::Rvalue::Cast( - mir::CastKind::Pointer(PointerCast::ClosureFnPointer(_)), + mir::CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(_)), ref operand, _, ) => { diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index 89dadc782f2..5f05020acae 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -31,12 +31,12 @@ fn custom_coerce_unsize_info<'tcx>( source_ty: Ty<'tcx>, target_ty: Ty<'tcx>, ) -> CustomCoerceUnsized { - let trait_ref = ty::Binder::dummy(ty::TraitRef::from_lang_item( + let trait_ref = ty::TraitRef::from_lang_item( tcx.tcx, LangItem::CoerceUnsized, tcx.span, [source_ty, target_ty], - )); + ); match tcx.codegen_select_candidate((ty::ParamEnv::reveal_all(), trait_ref)) { Ok(traits::ImplSource::UserDefined(traits::ImplSourceUserDefinedData { diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index f4535fbd58f..da76cf2236c 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -427,9 +427,9 @@ fn merge_codegen_units<'tcx>( // zero-padded suffixes, which means they are automatically sorted by // names. The numeric suffix width depends on the number of CGUs, which // is always greater than zero: - // - [1,9] CGUS: `0`, `1`, `2`, ... - // - [10,99] CGUS: `00`, `01`, `02`, ... - // - [100,999] CGUS: `000`, `001`, `002`, ... + // - [1,9] CGUs: `0`, `1`, `2`, ... + // - [10,99] CGUs: `00`, `01`, `02`, ... + // - [100,999] CGUs: `000`, `001`, `002`, ... // - etc. // // If we didn't zero-pad the sorted-by-name order would be `XYZ-cgu.0`, @@ -458,7 +458,7 @@ fn internalize_symbols<'tcx>( /// used to keep track of that. #[derive(Clone, PartialEq, Eq, Debug)] enum MonoItemPlacement { - SingleCgu { cgu_name: Symbol }, + SingleCgu(Symbol), MultipleCgus, } @@ -466,7 +466,7 @@ fn internalize_symbols<'tcx>( let single_codegen_unit = codegen_units.len() == 1; if !single_codegen_unit { - for cgu in codegen_units.iter_mut() { + for cgu in codegen_units.iter() { for item in cgu.items().keys() { // If there is more than one codegen unit, we need to keep track // in which codegen units each monomorphization is placed. @@ -474,13 +474,13 @@ fn internalize_symbols<'tcx>( Entry::Occupied(e) => { let placement = e.into_mut(); debug_assert!(match *placement { - MonoItemPlacement::SingleCgu { cgu_name } => cgu_name != cgu.name(), + MonoItemPlacement::SingleCgu(cgu_name) => cgu_name != cgu.name(), MonoItemPlacement::MultipleCgus => true, }); *placement = MonoItemPlacement::MultipleCgus; } Entry::Vacant(e) => { - e.insert(MonoItemPlacement::SingleCgu { cgu_name: cgu.name() }); + e.insert(MonoItemPlacement::SingleCgu(cgu.name())); } } } @@ -490,7 +490,7 @@ fn internalize_symbols<'tcx>( // For each internalization candidates in each codegen unit, check if it is // used from outside its defining codegen unit. for cgu in codegen_units { - let home_cgu = MonoItemPlacement::SingleCgu { cgu_name: cgu.name() }; + let home_cgu = MonoItemPlacement::SingleCgu(cgu.name()); for (item, linkage_and_visibility) in cgu.items_mut() { if !internalization_candidates.contains(item) { @@ -501,20 +501,20 @@ fn internalize_symbols<'tcx>( if !single_codegen_unit { debug_assert_eq!(mono_item_placements[item], home_cgu); - if let Some(user_items) = cx.usage_map.get_user_items(*item) { - if user_items - .iter() - .filter_map(|user_item| { - // Some user mono items might not have been - // instantiated. We can safely ignore those. - mono_item_placements.get(user_item) - }) - .any(|placement| *placement != home_cgu) - { - // Found a user from another CGU, so skip to the next item - // without marking this one as internal. - continue; - } + if cx + .usage_map + .get_user_items(*item) + .iter() + .filter_map(|user_item| { + // Some user mono items might not have been + // instantiated. We can safely ignore those. + mono_item_placements.get(user_item) + }) + .any(|placement| *placement != home_cgu) + { + // Found a user from another CGU, so skip to the next item + // without marking this one as internal. + continue; } } diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index f97cb3440d2..593983f117d 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -2524,6 +2524,8 @@ pub fn build_session_options( let error_format = parse_error_format(handler, matches, color, json_rendered); + handler.abort_if_error_and_set_error_format(error_format); + let diagnostic_width = matches.opt_get("diagnostic-width").unwrap_or_else(|_| { handler.early_error("`--diagnostic-width` must be an positive integer"); }); diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs index 874e34bef60..85d5bb00c4e 100644 --- a/compiler/rustc_smir/src/rustc_smir/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/mod.rs @@ -7,7 +7,8 @@ //! //! For now, we are developing everything inside `rustc`, thus, we keep this module private. -use crate::stable_mir::{self, ty::TyKind, Context}; +use crate::stable_mir::ty::{FloatTy, IntTy, RigidTy, TyKind, UintTy}; +use crate::stable_mir::{self, Context}; use rustc_middle::mir; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::def_id::{CrateNum, DefId, LOCAL_CRATE}; @@ -69,11 +70,28 @@ pub struct Tables<'tcx> { impl<'tcx> Tables<'tcx> { fn rustc_ty_to_ty(&mut self, ty: Ty<'tcx>) -> TyKind { match ty.kind() { - ty::Bool => TyKind::Bool, - ty::Char => todo!(), - ty::Int(_) => todo!(), - ty::Uint(_) => todo!(), - ty::Float(_) => todo!(), + ty::Bool => TyKind::RigidTy(RigidTy::Bool), + ty::Char => TyKind::RigidTy(RigidTy::Char), + ty::Int(int_ty) => match int_ty { + ty::IntTy::Isize => TyKind::RigidTy(RigidTy::Int(IntTy::Isize)), + ty::IntTy::I8 => TyKind::RigidTy(RigidTy::Int(IntTy::I8)), + ty::IntTy::I16 => TyKind::RigidTy(RigidTy::Int(IntTy::I16)), + ty::IntTy::I32 => TyKind::RigidTy(RigidTy::Int(IntTy::I32)), + ty::IntTy::I64 => TyKind::RigidTy(RigidTy::Int(IntTy::I64)), + ty::IntTy::I128 => TyKind::RigidTy(RigidTy::Int(IntTy::I128)), + }, + ty::Uint(uint_ty) => match uint_ty { + ty::UintTy::Usize => TyKind::RigidTy(RigidTy::Uint(UintTy::Usize)), + ty::UintTy::U8 => TyKind::RigidTy(RigidTy::Uint(UintTy::U8)), + ty::UintTy::U16 => TyKind::RigidTy(RigidTy::Uint(UintTy::U16)), + ty::UintTy::U32 => TyKind::RigidTy(RigidTy::Uint(UintTy::U32)), + ty::UintTy::U64 => TyKind::RigidTy(RigidTy::Uint(UintTy::U64)), + ty::UintTy::U128 => TyKind::RigidTy(RigidTy::Uint(UintTy::U128)), + }, + ty::Float(float_ty) => match float_ty { + ty::FloatTy::F32 => TyKind::RigidTy(RigidTy::Float(FloatTy::F32)), + ty::FloatTy::F64 => TyKind::RigidTy(RigidTy::Float(FloatTy::F64)), + }, ty::Adt(_, _) => todo!(), ty::Foreign(_) => todo!(), ty::Str => todo!(), @@ -90,9 +108,9 @@ impl<'tcx> Tables<'tcx> { ty::GeneratorWitness(_) => todo!(), ty::GeneratorWitnessMIR(_, _) => todo!(), ty::Never => todo!(), - ty::Tuple(fields) => { - TyKind::Tuple(fields.iter().map(|ty| self.intern_ty(ty)).collect()) - } + ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple( + fields.iter().map(|ty| self.intern_ty(ty)).collect(), + )), ty::Alias(_, _) => todo!(), ty::Param(_) => todo!(), ty::Bound(_, _) => todo!(), diff --git a/compiler/rustc_smir/src/stable_mir/ty.rs b/compiler/rustc_smir/src/stable_mir/ty.rs index f27801b0f6c..3181af46e9c 100644 --- a/compiler/rustc_smir/src/stable_mir/ty.rs +++ b/compiler/rustc_smir/src/stable_mir/ty.rs @@ -9,7 +9,43 @@ impl Ty { } } +#[derive(Clone, Debug)] pub enum TyKind { + RigidTy(RigidTy), +} + +#[derive(Clone, Debug)] +pub enum RigidTy { Bool, + Char, + Int(IntTy), + Uint(UintTy), + Float(FloatTy), Tuple(Vec<Ty>), } + +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum IntTy { + Isize, + I8, + I16, + I32, + I64, + I128, +} + +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum UintTy { + Usize, + U8, + U16, + U32, + U64, + U128, +} + +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum FloatTy { + F32, + F64, +} diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 66a627d5aac..5c6d43e50ea 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -759,7 +759,6 @@ symbols! { from_desugaring, from_fn, from_iter, - from_method, from_output, from_residual, from_size_align_unchecked, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs index 0800738a3f2..bf6cbef8c3b 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs @@ -4,7 +4,7 @@ use rustc_hir::def_id::DefId; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; use rustc_infer::traits::util::supertraits; use rustc_infer::traits::{ - Obligation, PredicateObligation, Selection, SelectionResult, TraitObligation, + Obligation, PolyTraitObligation, PredicateObligation, Selection, SelectionResult, }; use rustc_middle::traits::solve::{CanonicalInput, Certainty, Goal}; use rustc_middle::traits::{ @@ -23,14 +23,14 @@ use crate::traits::vtable::{count_own_vtable_entries, prepare_vtable_segments, V pub trait InferCtxtSelectExt<'tcx> { fn select_in_new_trait_solver( &self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> SelectionResult<'tcx, Selection<'tcx>>; } impl<'tcx> InferCtxtSelectExt<'tcx> for InferCtxt<'tcx> { fn select_in_new_trait_solver( &self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> SelectionResult<'tcx, Selection<'tcx>> { assert!(self.next_trait_solver()); diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index c0ee1a576e5..c388850d831 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -167,9 +167,7 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for NormalizationFolder<'_, 'tcx> { // We don't normalize opaque types unless we have // `Reveal::All`, even if we're in the defining scope. let data = match *ty.kind() { - ty::Alias(kind, alias_ty) if kind != ty::Opaque || reveal == Reveal::UserFacing => { - alias_ty - } + ty::Alias(kind, alias_ty) if kind != ty::Opaque || reveal == Reveal::All => alias_ty, _ => return ty.try_super_fold_with(self), }; diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index aa690719970..e53b784a756 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -366,7 +366,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { } ty::Adt(def, substs) if def.is_struct() => { - match def.non_enum_variant().fields.raw.last() { + match def.non_enum_variant().tail_opt() { None => tcx.types.unit, Some(field_def) => { let self_ty = field_def.ty(tcx, substs); diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index cd68626bed1..ef5f25b1f7f 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -425,12 +425,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return Err(NoSolution); } - let tail_field = a_def - .non_enum_variant() - .fields - .raw - .last() - .expect("expected unsized ADT to have a tail field"); + let tail_field = a_def.non_enum_variant().tail(); let tail_field_ty = tcx.type_of(tail_field.did); let a_tail_ty = tail_field_ty.subst(tcx, a_substs); diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 4296ed64cf0..cb38d0ac847 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -95,7 +95,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { tcx, ObligationCause::dummy(), orig_env, - ty::Binder::dummy(ty::TraitPredicate { + ty::TraitPredicate { trait_ref, constness: ty::BoundConstness::NotConst, polarity: if polarity { @@ -103,7 +103,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { } else { ImplPolarity::Negative }, - }), + }, )); if let Ok(Some(ImplSource::UserDefined(_))) = result { debug!( @@ -292,7 +292,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { new_env, pred, )); - let result = select.select(&obligation); + let result = select.poly_select(&obligation); match result { Ok(Some(ref impl_source)) => { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs index 7b5d4f456ff..f785c4eaf9d 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs @@ -1,7 +1,7 @@ use rustc_hir::def_id::DefId; use rustc_infer::infer::{InferCtxt, LateBoundRegionConversionTime}; use rustc_infer::traits::util::elaborate; -use rustc_infer::traits::{Obligation, ObligationCause, TraitObligation}; +use rustc_infer::traits::{Obligation, ObligationCause, PolyTraitObligation}; use rustc_middle::ty; use rustc_span::{Span, DUMMY_SP}; @@ -14,7 +14,7 @@ pub enum Ambiguity { pub fn recompute_applicable_impls<'tcx>( infcx: &InferCtxt<'tcx>, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Vec<Ambiguity> { let tcx = infcx.tcx; let param_env = obligation.param_env; diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 5b875e19996..f342180590f 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -12,7 +12,6 @@ use crate::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use crate::infer::{self, InferCtxt}; use crate::solve::{GenerateProofTree, InferCtxtEvalExt, UseGlobalCache}; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; -use crate::traits::query::normalize::QueryNormalizeExt as _; use crate::traits::specialize::to_pretty_impl_header; use crate::traits::NormalizeExt; use on_unimplemented::{AppendConstMessage, OnUnimplementedNote, TypeErrCtxtExt as _}; @@ -33,7 +32,7 @@ use rustc_middle::traits::solve::Goal; use rustc_middle::traits::{DefiningAnchor, SelectionOutputTypeParameterMismatch}; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::fold::{TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::fold::{BottomUpFolder, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::print::{with_forced_trimmed_paths, FmtPrinter, Print}; use rustc_middle::ty::{ self, SubtypePredicate, ToPolyTraitRef, ToPredicate, TraitRef, Ty, TyCtxt, TypeFoldable, @@ -63,7 +62,7 @@ pub enum CandidateSimilarity { Fuzzy { ignoring_lifetimes: bool }, } -#[derive(Debug, Clone, Copy)] +#[derive(Debug, Clone, Copy, PartialEq, Eq)] pub struct ImplCandidate<'tcx> { pub trait_ref: ty::TraitRef<'tcx>, pub similarity: CandidateSimilarity, @@ -1941,10 +1940,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { other: bool, ) -> bool { let other = if other { "other " } else { "" }; - let report = |mut candidates: Vec<TraitRef<'tcx>>, err: &mut Diagnostic| { - candidates.sort(); - candidates.dedup(); - let len = candidates.len(); + let report = |candidates: Vec<TraitRef<'tcx>>, err: &mut Diagnostic| { if candidates.is_empty() { return false; } @@ -1973,11 +1969,14 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { candidates.iter().map(|c| c.print_only_trait_path().to_string()).collect(); traits.sort(); traits.dedup(); + // FIXME: this could use a better heuristic, like just checking + // that substs[1..] is the same. + let all_traits_equal = traits.len() == 1; - let mut candidates: Vec<String> = candidates + let candidates: Vec<String> = candidates .into_iter() .map(|c| { - if traits.len() == 1 { + if all_traits_equal { format!("\n {}", c.self_ty()) } else { format!("\n {}", c) @@ -1985,14 +1984,16 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { }) .collect(); - candidates.sort(); - candidates.dedup(); let end = if candidates.len() <= 9 { candidates.len() } else { 8 }; err.help(format!( "the following {other}types implement trait `{}`:{}{}", trait_ref.print_only_trait_path(), candidates[..end].join(""), - if len > 9 { format!("\nand {} others", len - 8) } else { String::new() } + if candidates.len() > 9 { + format!("\nand {} others", candidates.len() - 8) + } else { + String::new() + } )); true }; @@ -2006,7 +2007,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // Mentioning implementers of `Copy`, `Debug` and friends is not useful. return false; } - let normalized_impl_candidates: Vec<_> = self + let mut impl_candidates: Vec<_> = self .tcx .all_impls(def_id) // Ignore automatically derived impls and `!Trait` impls. @@ -2033,7 +2034,10 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } }) .collect(); - return report(normalized_impl_candidates, err); + + impl_candidates.sort(); + impl_candidates.dedup(); + return report(impl_candidates, err); } // Sort impl candidates so that ordering is consistent for UI tests. @@ -2042,27 +2046,25 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // // Prefer more similar candidates first, then sort lexicographically // by their normalized string representation. - let mut normalized_impl_candidates_and_similarities = impl_candidates + let mut impl_candidates: Vec<_> = impl_candidates .iter() - .copied() - .map(|ImplCandidate { trait_ref, similarity }| { - // FIXME(compiler-errors): This should be using `NormalizeExt::normalize` - let normalized = self - .at(&ObligationCause::dummy(), ty::ParamEnv::empty()) - .query_normalize(trait_ref) - .map_or(trait_ref, |normalized| normalized.value); - (similarity, normalized) + .cloned() + .map(|mut cand| { + // Fold the consts so that they shows up as, e.g., `10` + // instead of `core::::array::{impl#30}::{constant#0}`. + cand.trait_ref = cand.trait_ref.fold_with(&mut BottomUpFolder { + tcx: self.tcx, + ty_op: |ty| ty, + lt_op: |lt| lt, + ct_op: |ct| ct.eval(self.tcx, ty::ParamEnv::empty()), + }); + cand }) - .collect::<Vec<_>>(); - normalized_impl_candidates_and_similarities.sort(); - normalized_impl_candidates_and_similarities.dedup(); - - let normalized_impl_candidates = normalized_impl_candidates_and_similarities - .into_iter() - .map(|(_, normalized)| normalized) - .collect::<Vec<_>>(); + .collect(); + impl_candidates.sort_by_key(|cand| (cand.similarity, cand.trait_ref)); + impl_candidates.dedup(); - report(normalized_impl_candidates, err) + report(impl_candidates.into_iter().map(|cand| cand.trait_ref).collect(), err) } fn report_similar_impl_candidates_for_root_obligation( diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs index 1e4d30f48b2..b16d2eb5fc1 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs @@ -41,7 +41,6 @@ pub trait TypeErrCtxtExt<'tcx> { static ALLOWED_FORMAT_SYMBOLS: &[Symbol] = &[ kw::SelfUpper, sym::ItemContext, - sym::from_method, sym::from_desugaring, sym::direct, sym::cause, @@ -172,23 +171,6 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } } - if let ObligationCauseCode::ItemObligation(item) - | ObligationCauseCode::BindingObligation(item, _) - | ObligationCauseCode::ExprItemObligation(item, ..) - | ObligationCauseCode::ExprBindingObligation(item, ..) = *obligation.cause.code() - { - // FIXME: maybe also have some way of handling methods - // from other traits? That would require name resolution, - // which we might want to be some sort of hygienic. - // - // Currently I'm leaving it for what I need for `try`. - if self.tcx.trait_of_item(item) == Some(trait_ref.def_id) { - let method = self.tcx.item_name(item); - flags.push((sym::from_method, None)); - flags.push((sym::from_method, Some(method.to_string()))); - } - } - if let Some(k) = obligation.cause.span.desugaring_kind() { flags.push((sym::from_desugaring, None)); flags.push((sym::from_desugaring, Some(format!("{:?}", k)))); @@ -672,7 +654,7 @@ impl<'tcx> OnUnimplementedFormatString { None => { if let Some(val) = options.get(&s) { val - } else if s == sym::from_desugaring || s == sym::from_method { + } else if s == sym::from_desugaring { // don't break messages using these two arguments incorrectly &empty_string } else if s == sym::ItemContext { diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 2d8c260126d..cf9d9315f60 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -4,7 +4,7 @@ use rustc_data_structures::obligation_forest::{Error, ForestObligation, Outcome} use rustc_data_structures::obligation_forest::{ObligationForest, ObligationProcessor}; use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::traits::ProjectionCacheKey; -use rustc_infer::traits::{SelectionError, TraitEngine, TraitObligation}; +use rustc_infer::traits::{PolyTraitObligation, SelectionError, TraitEngine}; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; @@ -667,7 +667,7 @@ impl<'a, 'tcx> FulfillProcessor<'a, 'tcx> { fn process_trait_obligation( &mut self, obligation: &PredicateObligation<'tcx>, - trait_obligation: TraitObligation<'tcx>, + trait_obligation: PolyTraitObligation<'tcx>, stalled_on: &mut Vec<TyOrConstInferVar<'tcx>>, ) -> ProcessResult<PendingPredicateObligation<'tcx>, FulfillmentErrorCode<'tcx>> { let infcx = self.selcx.infcx; @@ -683,7 +683,7 @@ impl<'a, 'tcx> FulfillProcessor<'a, 'tcx> { } } - match self.selcx.select(&trait_obligation) { + match self.selcx.poly_select(&trait_obligation) { Ok(Some(impl_source)) => { debug!("selecting trait at depth {} yielded Ok(Some)", obligation.recursion_depth); ProcessResult::Changed(mk_pending(impl_source.nested_obligations())) diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index e2ee347b639..1af8323b6e9 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -11,7 +11,7 @@ mod fulfill; pub mod misc; mod object_safety; pub mod outlives_bounds; -mod project; +pub mod project; pub mod query; #[cfg_attr(not(bootstrap), allow(hidden_glob_reexports))] mod select; diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 717b35784d8..a10bca31ff1 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1545,7 +1545,6 @@ fn assemble_candidate_for_impl_trait_in_trait<'cx, 'tcx>( let trait_def_id = tcx.parent(trait_fn_def_id); let trait_substs = obligation.predicate.substs.truncate_to(tcx, tcx.generics_of(trait_def_id)); - // FIXME(named-returns): Binders let trait_predicate = ty::TraitRef::new(tcx, trait_def_id, trait_substs); let _ = selcx.infcx.commit_if_ok(|_| { @@ -1747,8 +1746,8 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( // If we are resolving `<T as TraitRef<...>>::Item == Type`, // start out by selecting the predicate `T as TraitRef<...>`: - let poly_trait_ref = ty::Binder::dummy(obligation.predicate.trait_ref(selcx.tcx())); - let trait_obligation = obligation.with(selcx.tcx(), poly_trait_ref); + let trait_ref = obligation.predicate.trait_ref(selcx.tcx()); + let trait_obligation = obligation.with(selcx.tcx(), trait_ref); let _ = selcx.infcx.commit_if_ok(|_| { let impl_source = match selcx.select(&trait_obligation) { Ok(Some(impl_source)) => impl_source, @@ -1802,7 +1801,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( if obligation.param_env.reveal() == Reveal::All { // NOTE(eddyb) inference variables can resolve to parameters, so // assume `poly_trait_ref` isn't monomorphic, if it contains any. - let poly_trait_ref = selcx.infcx.resolve_vars_if_possible(poly_trait_ref); + let poly_trait_ref = selcx.infcx.resolve_vars_if_possible(trait_ref); !poly_trait_ref.still_further_specializable() } else { debug!( @@ -1821,11 +1820,11 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( let self_ty = selcx.infcx.shallow_resolve(obligation.predicate.self_ty()); let lang_items = selcx.tcx().lang_items(); - if [lang_items.gen_trait(), lang_items.future_trait()].contains(&Some(poly_trait_ref.def_id())) - || selcx.tcx().fn_trait_kind_from_def_id(poly_trait_ref.def_id()).is_some() + if [lang_items.gen_trait(), lang_items.future_trait()].contains(&Some(trait_ref.def_id)) + || selcx.tcx().fn_trait_kind_from_def_id(trait_ref.def_id).is_some() { true - } else if lang_items.discriminant_kind_trait() == Some(poly_trait_ref.def_id()) { + } else if lang_items.discriminant_kind_trait() == Some(trait_ref.def_id) { match self_ty.kind() { ty::Bool | ty::Char @@ -1860,7 +1859,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( | ty::Infer(..) | ty::Error(_) => false, } - } else if lang_items.pointee_trait() == Some(poly_trait_ref.def_id()) { + } else if lang_items.pointee_trait() == Some(trait_ref.def_id) { let tail = selcx.tcx().struct_tail_with_normalize( self_ty, |ty| { @@ -1935,7 +1934,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( } } } else { - bug!("unexpected builtin trait with associated type: {poly_trait_ref:?}") + bug!("unexpected builtin trait with associated type: {trait_ref:?}") } } super::ImplSource::Param(..) => { diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index a0329259705..d5f6aaa7fe9 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -10,7 +10,7 @@ use hir::def_id::DefId; use hir::LangItem; use rustc_hir as hir; use rustc_infer::traits::ObligationCause; -use rustc_infer::traits::{Obligation, SelectionError, TraitObligation}; +use rustc_infer::traits::{Obligation, PolyTraitObligation, SelectionError}; use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; use rustc_middle::ty::{self, Ty, TypeVisitableExt}; @@ -137,7 +137,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self, candidates))] fn assemble_candidates_from_projected_tys( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // Before we go into the whole placeholder thing, just @@ -206,7 +206,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_generator_candidates( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // Okay to skip binder because the substs on generator types never @@ -231,7 +231,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_future_candidates( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { let self_ty = obligation.self_ty().skip_binder(); @@ -254,7 +254,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// unified during the confirmation step. fn assemble_closure_candidates( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { let Some(kind) = self.tcx().fn_trait_kind_from_def_id(obligation.predicate.def_id()) else { @@ -292,7 +292,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// Implements one of the `Fn()` family for a fn pointer. fn assemble_fn_pointer_candidates( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // We provide impl of all fn traits for fn pointers. @@ -334,7 +334,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self, candidates))] fn assemble_candidates_from_impls( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // Essentially any user-written impl will match with an error type, @@ -390,7 +390,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn reject_fn_ptr_impls( &mut self, impl_def_id: DefId, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, impl_self_ty: Ty<'tcx>, ) -> bool { // Let `impl<T: FnPtr> Trait for Vec<T>` go through the normal rejection path. @@ -475,7 +475,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_candidates_from_auto_impls( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // Okay to skip binder here because the tests we do below do not involve bound regions. @@ -544,7 +544,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// Searches for impls that might apply to `obligation`. fn assemble_candidates_from_object_ty( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { debug!( @@ -668,7 +668,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// Searches for unsizing that might apply to `obligation`. fn assemble_candidates_for_unsizing( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // We currently never consider higher-ranked obligations e.g. @@ -782,7 +782,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self, obligation, candidates))] fn assemble_candidates_for_transmutability( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { if obligation.predicate.has_non_region_param() { @@ -800,7 +800,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self, obligation, candidates))] fn assemble_candidates_for_trait_alias( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // Okay to skip binder here because the tests we do below do not involve bound regions. @@ -837,7 +837,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_const_destruct_candidates( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // If the predicate is `~const Destruct` in a non-const environment, we don't actually need @@ -924,7 +924,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_candidate_for_tuple( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { let self_ty = self.infcx.shallow_resolve(obligation.self_ty().skip_binder()); @@ -966,7 +966,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_candidate_for_pointer_like( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { // The regions of a type don't affect the size of the type @@ -991,7 +991,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn assemble_candidates_for_fn_ptr_trait( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidates: &mut SelectionCandidateSet<'tcx>, ) { let self_ty = self.infcx.shallow_resolve(obligation.self_ty()); diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 21a223135ed..7adc29bbba4 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -27,8 +27,8 @@ use crate::traits::vtable::{ use crate::traits::{ BuiltinDerivedObligation, ImplDerivedObligation, ImplDerivedObligationCause, ImplSource, ImplSourceObjectData, ImplSourceTraitUpcastingData, ImplSourceUserDefinedData, Normalized, - Obligation, ObligationCause, OutputTypeParameterMismatch, PredicateObligation, Selection, - SelectionError, TraitNotObjectSafe, TraitObligation, Unimplemented, + Obligation, ObligationCause, OutputTypeParameterMismatch, PolyTraitObligation, + PredicateObligation, Selection, SelectionError, TraitNotObjectSafe, Unimplemented, }; use super::BuiltinImplConditions; @@ -42,7 +42,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self))] pub(super) fn confirm_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, candidate: SelectionCandidate<'tcx>, ) -> Result<Selection<'tcx>, SelectionError<'tcx>> { let mut impl_src = match candidate { @@ -148,7 +148,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_projection_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, idx: usize, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let tcx = self.tcx(); @@ -215,7 +215,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_param_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, param: ty::PolyTraitRef<'tcx>, ) -> Vec<PredicateObligation<'tcx>> { debug!(?obligation, ?param, "confirm_param_candidate"); @@ -238,7 +238,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_builtin_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, has_nested: bool, ) -> Vec<PredicateObligation<'tcx>> { debug!(?obligation, ?has_nested, "confirm_builtin_candidate"); @@ -279,13 +279,13 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self))] fn confirm_transmutability_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { use rustc_transmute::{Answer, Condition}; #[instrument(level = "debug", skip(tcx, obligation, predicate))] fn flatten_answer_tree<'tcx>( tcx: TyCtxt<'tcx>, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, predicate: TraitPredicate<'tcx>, cond: Condition<rustc_transmute::layout::rustc::Ref<'tcx>>, ) -> Vec<PredicateObligation<'tcx>> { @@ -375,7 +375,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// 2. For each where-clause `C` declared on `Foo`, `[Self => X] C` holds. fn confirm_auto_impl_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { debug!(?obligation, "confirm_auto_impl_candidate"); @@ -387,7 +387,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// See `confirm_auto_impl_candidate`. fn vtable_auto_impl( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, trait_def_id: DefId, nested: ty::Binder<'tcx, Vec<Ty<'tcx>>>, ) -> Vec<PredicateObligation<'tcx>> { @@ -426,7 +426,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_impl_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, impl_def_id: DefId, ) -> ImplSourceUserDefinedData<'tcx, PredicateObligation<'tcx>> { debug!(?obligation, ?impl_def_id, "confirm_impl_candidate"); @@ -481,7 +481,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_object_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, index: usize, ) -> Result<ImplSourceObjectData<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let tcx = self.tcx(); @@ -655,7 +655,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_fn_pointer_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, is_const: bool, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { debug!(?obligation, "confirm_fn_pointer_candidate"); @@ -714,7 +714,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_trait_alias_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Vec<PredicateObligation<'tcx>> { debug!(?obligation, "confirm_trait_alias_candidate"); @@ -739,7 +739,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_generator_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { // Okay to skip binder because the substs on generator types never // touch bound regions, they just capture the in-scope @@ -778,7 +778,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_future_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { // Okay to skip binder because the substs on generator types never // touch bound regions, they just capture the in-scope @@ -809,7 +809,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(skip(self), level = "debug")] fn confirm_closure_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let kind = self .tcx() @@ -865,7 +865,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(skip(self), level = "trace")] fn confirm_poly_trait_refs( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, self_ty_trait_ref: ty::PolyTraitRef<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let obligation_trait_ref = obligation.predicate.to_poly_trait_ref(); @@ -900,7 +900,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_trait_upcasting_unsize_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, idx: usize, ) -> Result<ImplSourceTraitUpcastingData<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let tcx = self.tcx(); @@ -1004,7 +1004,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_builtin_unsize_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { let tcx = self.tcx(); @@ -1125,12 +1125,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return Err(Unimplemented); } - let tail_field = def - .non_enum_variant() - .fields - .raw - .last() - .expect("expected unsized ADT to have a tail field"); + let tail_field = def.non_enum_variant().tail(); let tail_field_ty = tcx.type_of(tail_field.did); // Extract `TailField<T>` and `TailField<U>` from `Struct<T>` and `Struct<U>`, @@ -1213,7 +1208,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn confirm_const_destruct_candidate( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, impl_def_id: Option<DefId>, ) -> Result<Vec<PredicateObligation<'tcx>>, SelectionError<'tcx>> { // `~const Destruct` in a non-const environment is always trivially true, since our type is `Drop` diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 4a55ceb20a1..7f31ab75119 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -15,8 +15,8 @@ use super::util::closure_trait_ref_and_return_type; use super::wf; use super::{ ErrorReporting, ImplDerivedObligation, ImplDerivedObligationCause, Normalized, Obligation, - ObligationCause, ObligationCauseCode, Overflow, PredicateObligation, Selection, SelectionError, - SelectionResult, TraitObligation, TraitQueryMode, + ObligationCause, ObligationCauseCode, Overflow, PolyTraitObligation, PredicateObligation, + Selection, SelectionError, SelectionResult, TraitQueryMode, }; use crate::infer::{InferCtxt, InferOk, TypeFreshener}; @@ -34,6 +34,7 @@ use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::infer::LateBoundRegionConversionTime; +use rustc_infer::traits::TraitObligation; use rustc_middle::dep_graph::{DepKind, DepNodeIndex}; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::abstract_const::NotConstEvaluatable; @@ -122,7 +123,7 @@ pub struct SelectionContext<'cx, 'tcx> { // A stack that walks back up the stack frame. struct TraitObligationStack<'prev, 'tcx> { - obligation: &'prev TraitObligation<'tcx>, + obligation: &'prev PolyTraitObligation<'tcx>, /// The trait predicate from `obligation` but "freshened" with the /// selection-context's freshener. Used to check for recursion. @@ -259,9 +260,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// Attempts to satisfy the obligation. If successful, this will affect the surrounding /// type environment by performing unification. #[instrument(level = "debug", skip(self), ret)] - pub fn select( + pub fn poly_select( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> SelectionResult<'tcx, Selection<'tcx>> { if self.infcx.next_trait_solver() { return self.infcx.select_in_new_trait_solver(obligation); @@ -293,9 +294,21 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } } - fn select_from_obligation( + pub fn select( &mut self, obligation: &TraitObligation<'tcx>, + ) -> SelectionResult<'tcx, Selection<'tcx>> { + self.poly_select(&Obligation { + cause: obligation.cause.clone(), + param_env: obligation.param_env, + predicate: ty::Binder::dummy(obligation.predicate), + recursion_depth: obligation.recursion_depth, + }) + } + + fn select_from_obligation( + &mut self, + obligation: &PolyTraitObligation<'tcx>, ) -> SelectionResult<'tcx, SelectionCandidate<'tcx>> { debug_assert!(!obligation.predicate.has_escaping_bound_vars()); @@ -612,7 +625,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { obligation: PredicateObligation<'tcx>, ) -> Result<EvaluationResult, OverflowError> { debug_assert!(!self.infcx.next_trait_solver()); - // `previous_stack` stores a `TraitObligation`, while `obligation` is + // `previous_stack` stores a `PolyTraitObligation`, while `obligation` is // a `PredicateObligation`. These are distinct types, so we can't // use any `Option` combinator method that would force them to be // the same. @@ -973,7 +986,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn evaluate_trait_predicate_recursively<'o>( &mut self, previous_stack: TraitObligationStackList<'o, 'tcx>, - mut obligation: TraitObligation<'tcx>, + mut obligation: PolyTraitObligation<'tcx>, ) -> Result<EvaluationResult, OverflowError> { if !self.is_intercrate() && obligation.is_global() @@ -1379,7 +1392,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn filter_impls( &mut self, candidates: Vec<SelectionCandidate<'tcx>>, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Vec<SelectionCandidate<'tcx>> { trace!("{candidates:#?}"); let tcx = self.tcx(); @@ -1442,7 +1455,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn filter_reservation_impls( &mut self, candidate: SelectionCandidate<'tcx>, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> SelectionResult<'tcx, SelectionCandidate<'tcx>> { let tcx = self.tcx(); // Treat reservation impls as ambiguity. @@ -1614,7 +1627,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { #[instrument(level = "debug", skip(self), ret)] fn match_projection_obligation_against_definition_bounds( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> smallvec::SmallVec<[(usize, ty::BoundConstness); 2]> { let poly_trait_predicate = self.infcx.resolve_vars_if_possible(obligation.predicate); let placeholder_trait_predicate = @@ -1677,7 +1690,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// variables or placeholders, the normalized bound is returned. fn match_normalize_trait_ref( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, trait_bound: ty::PolyTraitRef<'tcx>, placeholder_trait_ref: ty::TraitRef<'tcx>, ) -> Result<Option<ty::PolyTraitRef<'tcx>>, ()> { @@ -2078,7 +2091,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { impl<'tcx> SelectionContext<'_, 'tcx> { fn sized_conditions( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> BuiltinImplConditions<'tcx> { use self::BuiltinImplConditions::{Ambiguous, None, Where}; @@ -2138,7 +2151,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { fn copy_clone_conditions( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> BuiltinImplConditions<'tcx> { // NOTE: binder moved to (*) let self_ty = self.infcx.shallow_resolve(obligation.predicate.skip_binder().self_ty()); @@ -2414,7 +2427,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { fn rematch_impl( &mut self, impl_def_id: DefId, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Normalized<'tcx, SubstsRef<'tcx>> { let impl_trait_ref = self.tcx().impl_trait_ref(impl_def_id).unwrap(); match self.match_impl(impl_def_id, impl_trait_ref, obligation) { @@ -2452,7 +2465,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { &mut self, impl_def_id: DefId, impl_trait_ref: EarlyBinder<ty::TraitRef<'tcx>>, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, ) -> Result<Normalized<'tcx, SubstsRef<'tcx>>, ()> { let placeholder_obligation = self.infcx.instantiate_binder_with_placeholders(obligation.predicate); @@ -2510,7 +2523,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { /// result from the normalization. fn match_where_clause_trait_ref( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, where_clause_trait_ref: ty::PolyTraitRef<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, ()> { self.match_poly_trait_ref(obligation, where_clause_trait_ref) @@ -2521,7 +2534,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { #[instrument(skip(self), level = "debug")] fn match_poly_trait_ref( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tcx>, ) -> Result<Vec<PredicateObligation<'tcx>>, ()> { self.infcx @@ -2547,7 +2560,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { fn push_stack<'o>( &mut self, previous_stack: TraitObligationStackList<'o, 'tcx>, - obligation: &'o TraitObligation<'tcx>, + obligation: &'o PolyTraitObligation<'tcx>, ) -> TraitObligationStack<'o, 'tcx> { let fresh_trait_pred = obligation.predicate.fold_with(&mut self.freshener); @@ -2566,7 +2579,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { #[instrument(skip(self), level = "debug")] fn closure_trait_ref_unnormalized( &mut self, - obligation: &TraitObligation<'tcx>, + obligation: &PolyTraitObligation<'tcx>, substs: SubstsRef<'tcx>, ) -> ty::PolyTraitRef<'tcx> { let closure_sig = substs.as_closure().sig(); diff --git a/compiler/rustc_trait_selection/src/traits/vtable.rs b/compiler/rustc_trait_selection/src/traits/vtable.rs index c05d557b774..1f83f1f44bc 100644 --- a/compiler/rustc_trait_selection/src/traits/vtable.rs +++ b/compiler/rustc_trait_selection/src/traits/vtable.rs @@ -362,7 +362,7 @@ pub(crate) fn vtable_trait_upcasting_coercion_new_vptr_slot<'tcx>( let trait_ref = ty::TraitRef::new(tcx, unsize_trait_did, [source, target]); - match tcx.codegen_select_candidate((ty::ParamEnv::reveal_all(), ty::Binder::dummy(trait_ref))) { + match tcx.codegen_select_candidate((ty::ParamEnv::reveal_all(), trait_ref)) { Ok(ImplSource::TraitUpcasting(implsrc_traitcasting)) => { implsrc_traitcasting.vtable_vptr_slot } diff --git a/compiler/rustc_traits/src/codegen.rs b/compiler/rustc_traits/src/codegen.rs index ef50fa23caf..2cd1c3b502a 100644 --- a/compiler/rustc_traits/src/codegen.rs +++ b/compiler/rustc_traits/src/codegen.rs @@ -22,7 +22,7 @@ use rustc_trait_selection::traits::{ /// This also expects that `trait_ref` is fully normalized. pub fn codegen_select_candidate<'tcx>( tcx: TyCtxt<'tcx>, - (param_env, trait_ref): (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>), + (param_env, trait_ref): (ty::ParamEnv<'tcx>, ty::TraitRef<'tcx>), ) -> Result<&'tcx ImplSource<'tcx, ()>, CodegenObligationError> { // We expect the input to be fully normalized. debug_assert_eq!(trait_ref, tcx.normalize_erasing_regions(param_env, trait_ref)); diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 8cc75a6e2e3..426c98012b3 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -221,7 +221,7 @@ fn recurse_build<'tcx>( maybe_supported_error(GenericConstantTooComplexSub::AdtNotSupported(node.span))? } // dont know if this is correct - ExprKind::Pointer { .. } => { + ExprKind::PointerCoercion { .. } => { error(GenericConstantTooComplexSub::PointerNotSupported(node.span))? } ExprKind::Yield { .. } => { @@ -324,7 +324,7 @@ impl<'a, 'tcx> IsThirPolymorphic<'a, 'tcx> { | thir::ExprKind::Cast { .. } | thir::ExprKind::Use { .. } | thir::ExprKind::NeverToAny { .. } - | thir::ExprKind::Pointer { .. } + | thir::ExprKind::PointerCoercion { .. } | thir::ExprKind::Loop { .. } | thir::ExprKind::Let { .. } | thir::ExprKind::Match { .. } diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index 2d75862014d..1d93a79e591 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -80,7 +80,7 @@ fn resolve_associated_item<'tcx>( let trait_ref = ty::TraitRef::from_method(tcx, trait_id, rcvr_substs); - let vtbl = match tcx.codegen_select_candidate((param_env, ty::Binder::dummy(trait_ref))) { + let vtbl = match tcx.codegen_select_candidate((param_env, trait_ref)) { Ok(vtbl) => vtbl, Err(CodegenObligationError::Ambiguity) => { let reported = tcx.sess.delay_span_bug( diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index 9ef9120e294..b67cd96a734 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -463,38 +463,85 @@ fn layout_of_uncached<'tcx>( )); } - tcx.mk_layout( - cx.layout_of_struct_or_enum( + let get_discriminant_type = + |min, max| Integer::repr_discr(tcx, ty, &def.repr(), min, max); + + let discriminants_iter = || { + def.is_enum() + .then(|| def.discriminants(tcx).map(|(v, d)| (v, d.val as i128))) + .into_iter() + .flatten() + }; + + let dont_niche_optimize_enum = def.repr().inhibit_enum_layout_opt() + || def + .variants() + .iter_enumerated() + .any(|(i, v)| v.discr != ty::VariantDiscr::Relative(i.as_u32())); + + let maybe_unsized = def.is_struct() + && def.non_enum_variant().tail_opt().is_some_and(|last_field| { + let param_env = tcx.param_env(def.did()); + !tcx.type_of(last_field.did).subst_identity().is_sized(tcx, param_env) + }); + + let Some(layout) = cx.layout_of_struct_or_enum( + &def.repr(), + &variants, + def.is_enum(), + def.is_unsafe_cell(), + tcx.layout_scalar_valid_range(def.did()), + get_discriminant_type, + discriminants_iter(), + dont_niche_optimize_enum, + !maybe_unsized, + ) else { + return Err(error(cx, LayoutError::SizeOverflow(ty))); + }; + + // If the struct tail is sized and can be unsized, check that unsizing doesn't move the fields around. + if cfg!(debug_assertions) + && maybe_unsized + && def.non_enum_variant().tail().ty(tcx, substs).is_sized(tcx, cx.param_env) + { + let mut variants = variants; + let tail_replacement = cx.layout_of(Ty::new_slice(tcx, tcx.types.u8)).unwrap(); + *variants[FIRST_VARIANT].raw.last_mut().unwrap() = tail_replacement.layout; + + let Some(unsized_layout) = cx.layout_of_struct_or_enum( &def.repr(), &variants, def.is_enum(), def.is_unsafe_cell(), tcx.layout_scalar_valid_range(def.did()), - |min, max| Integer::repr_discr(tcx, ty, &def.repr(), min, max), - def.is_enum() - .then(|| def.discriminants(tcx).map(|(v, d)| (v, d.val as i128))) - .into_iter() - .flatten(), - def.repr().inhibit_enum_layout_opt() - || def - .variants() - .iter_enumerated() - .any(|(i, v)| v.discr != ty::VariantDiscr::Relative(i.as_u32())), - { - let param_env = tcx.param_env(def.did()); - def.is_struct() - && match def.variants().iter().next().and_then(|x| x.fields.raw.last()) - { - Some(last_field) => tcx - .type_of(last_field.did) - .subst_identity() - .is_sized(tcx, param_env), - None => false, - } - }, - ) - .ok_or_else(|| error(cx, LayoutError::SizeOverflow(ty)))?, - ) + get_discriminant_type, + discriminants_iter(), + dont_niche_optimize_enum, + !maybe_unsized, + ) else { + bug!("failed to compute unsized layout of {ty:?}"); + }; + + let FieldsShape::Arbitrary { offsets: sized_offsets, .. } = &layout.fields else { + bug!("unexpected FieldsShape for sized layout of {ty:?}: {:?}", layout.fields); + }; + let FieldsShape::Arbitrary { offsets: unsized_offsets, .. } = &unsized_layout.fields else { + bug!("unexpected FieldsShape for unsized layout of {ty:?}: {:?}", unsized_layout.fields); + }; + + let (sized_tail, sized_fields) = sized_offsets.raw.split_last().unwrap(); + let (unsized_tail, unsized_fields) = unsized_offsets.raw.split_last().unwrap(); + + if sized_fields != unsized_fields { + bug!("unsizing {ty:?} changed field order!\n{layout:?}\n{unsized_layout:?}"); + } + + if sized_tail < unsized_tail { + bug!("unsizing {ty:?} moved tail backwards!\n{layout:?}\n{unsized_layout:?}"); + } + } + + tcx.mk_layout(layout) } // Types with no meaningful known layout. diff --git a/compiler/rustc_ty_utils/src/opaque_types.rs b/compiler/rustc_ty_utils/src/opaque_types.rs index 29de8bf0e53..570c3b245cd 100644 --- a/compiler/rustc_ty_utils/src/opaque_types.rs +++ b/compiler/rustc_ty_utils/src/opaque_types.rs @@ -1,5 +1,7 @@ use rustc_data_structures::fx::FxHashSet; +use rustc_hir::intravisit::Visitor; use rustc_hir::{def::DefKind, def_id::LocalDefId}; +use rustc_hir::{intravisit, CRATE_HIR_ID}; use rustc_middle::query::Providers; use rustc_middle::ty::util::{CheckRegions, NotUniqueParam}; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -51,7 +53,7 @@ impl<'tcx> OpaqueTypeCollector<'tcx> { fn parent(&self) -> Option<LocalDefId> { match self.tcx.def_kind(self.item) { - DefKind::Fn => None, + DefKind::AnonConst | DefKind::InlineConst | DefKind::Fn | DefKind::TyAlias => None, DefKind::AssocFn | DefKind::AssocTy | DefKind::AssocConst => { Some(self.tcx.local_parent(self.item)) } @@ -61,6 +63,73 @@ impl<'tcx> OpaqueTypeCollector<'tcx> { ), } } + + /// Returns `true` if `opaque_hir_id` is a sibling or a child of a sibling of `self.item`. + /// + /// Example: + /// ```ignore UNSOLVED (is this a bug?) + /// # #![feature(type_alias_impl_trait)] + /// pub mod foo { + /// pub mod bar { + /// pub trait Bar { /* ... */ } + /// pub type Baz = impl Bar; + /// + /// # impl Bar for () {} + /// fn f1() -> Baz { /* ... */ } + /// } + /// fn f2() -> bar::Baz { /* ... */ } + /// } + /// ``` + /// + /// and `opaque_def_id` is the `DefId` of the definition of the opaque type `Baz`. + /// For the above example, this function returns `true` for `f1` and `false` for `f2`. + #[instrument(level = "trace", skip(self), ret)] + fn check_tait_defining_scope(&self, opaque_def_id: LocalDefId) -> bool { + let mut hir_id = self.tcx.hir().local_def_id_to_hir_id(self.item); + let opaque_hir_id = self.tcx.hir().local_def_id_to_hir_id(opaque_def_id); + + // Named opaque types can be defined by any siblings or children of siblings. + let scope = self.tcx.hir().get_defining_scope(opaque_hir_id); + // We walk up the node tree until we hit the root or the scope of the opaque type. + while hir_id != scope && hir_id != CRATE_HIR_ID { + hir_id = self.tcx.hir().get_parent_item(hir_id).into(); + } + // Syntactically, we are allowed to define the concrete type if: + hir_id == scope + } + + fn collect_body_and_predicate_taits(&mut self) { + // Look at all where bounds. + self.tcx.predicates_of(self.item).instantiate_identity(self.tcx).visit_with(self); + // An item is allowed to constrain opaques declared within its own body (but not nested within + // nested functions). + self.collect_taits_declared_in_body(); + } + + #[instrument(level = "trace", skip(self))] + fn collect_taits_declared_in_body(&mut self) { + let body = self.tcx.hir().body(self.tcx.hir().body_owned_by(self.item)).value; + struct TaitInBodyFinder<'a, 'tcx> { + collector: &'a mut OpaqueTypeCollector<'tcx>, + } + impl<'v> intravisit::Visitor<'v> for TaitInBodyFinder<'_, '_> { + #[instrument(level = "trace", skip(self))] + fn visit_nested_item(&mut self, id: rustc_hir::ItemId) { + let id = id.owner_id.def_id; + if let DefKind::TyAlias = self.collector.tcx.def_kind(id) { + let items = self.collector.tcx.opaque_types_defined_by(id); + self.collector.opaques.extend(items); + } + } + #[instrument(level = "trace", skip(self))] + // Recurse into these, as they are type checked with their parent + fn visit_nested_body(&mut self, id: rustc_hir::BodyId) { + let body = self.collector.tcx.hir().body(id); + self.visit_body(body); + } + } + TaitInBodyFinder { collector: self }.visit_expr(body); + } } impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector<'tcx> { @@ -73,6 +142,21 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector<'tcx> { return ControlFlow::Continue(()); } + // TAITs outside their defining scopes are ignored. + let origin = self.tcx.opaque_type_origin(alias_ty.def_id.expect_local()); + trace!(?origin); + match origin { + rustc_hir::OpaqueTyOrigin::FnReturn(_) + | rustc_hir::OpaqueTyOrigin::AsyncFn(_) => {} + rustc_hir::OpaqueTyOrigin::TyAlias { in_assoc_ty } => { + if !in_assoc_ty { + if !self.check_tait_defining_scope(alias_ty.def_id.expect_local()) { + return ControlFlow::Continue(()); + } + } + } + } + self.opaques.push(alias_ty.def_id.expect_local()); match self.tcx.uses_unique_generic_params(alias_ty.substs, CheckRegions::Bound) { @@ -188,33 +272,36 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector<'tcx> { fn opaque_types_defined_by<'tcx>(tcx: TyCtxt<'tcx>, item: LocalDefId) -> &'tcx [LocalDefId] { let kind = tcx.def_kind(item); trace!(?kind); - // FIXME(type_alias_impl_trait): This is definitely still wrong except for RPIT and impl trait in assoc types. + let mut collector = OpaqueTypeCollector::new(tcx, item); match kind { + // Walk over the signature of the function-like to find the opaques. + DefKind::AssocFn | DefKind::Fn => { + let ty_sig = tcx.fn_sig(item).subst_identity(); + let hir_sig = tcx.hir().get_by_def_id(item).fn_sig().unwrap(); + // Walk over the inputs and outputs manually in order to get good spans for them. + collector.visit_spanned(hir_sig.decl.output.span(), ty_sig.output()); + for (hir, ty) in hir_sig.decl.inputs.iter().zip(ty_sig.inputs().iter()) { + collector.visit_spanned(hir.span, ty.map_bound(|x| *x)); + } + collector.collect_body_and_predicate_taits(); + } + // Walk over the type of the item to find opaques. + DefKind::Static(_) | DefKind::Const | DefKind::AssocConst | DefKind::AnonConst => { + let span = match tcx.hir().get_by_def_id(item).ty() { + Some(ty) => ty.span, + _ => tcx.def_span(item), + }; + collector.visit_spanned(span, tcx.type_of(item).subst_identity()); + collector.collect_body_and_predicate_taits(); + } // We're also doing this for `AssocTy` for the wf checks in `check_opaque_meets_bounds` - DefKind::Fn | DefKind::AssocFn | DefKind::AssocTy | DefKind::AssocConst => { - let mut collector = OpaqueTypeCollector::new(tcx, item); - match kind { - // Walk over the signature of the function-like to find the opaques. - DefKind::AssocFn | DefKind::Fn => { - let ty_sig = tcx.fn_sig(item).subst_identity(); - let hir_sig = tcx.hir().get_by_def_id(item).fn_sig().unwrap(); - // Walk over the inputs and outputs manually in order to get good spans for them. - collector.visit_spanned(hir_sig.decl.output.span(), ty_sig.output()); - for (hir, ty) in hir_sig.decl.inputs.iter().zip(ty_sig.inputs().iter()) { - collector.visit_spanned(hir.span, ty.map_bound(|x| *x)); - } - } - // Walk over the type of the item to find opaques. - DefKind::AssocTy | DefKind::AssocConst => { - let span = match tcx.hir().get_by_def_id(item).ty() { - Some(ty) => ty.span, - _ => tcx.def_span(item), - }; - collector.visit_spanned(span, tcx.type_of(item).subst_identity()); - } - _ => unreachable!(), + DefKind::TyAlias | DefKind::AssocTy => { + tcx.type_of(item).subst_identity().visit_with(&mut collector); + } + DefKind::OpaqueTy => { + for (pred, span) in tcx.explicit_item_bounds(item).subst_identity_iter_copied() { + collector.visit_spanned(span, pred); } - tcx.arena.alloc_from_iter(collector.opaques) } DefKind::Mod | DefKind::Struct @@ -222,31 +309,26 @@ fn opaque_types_defined_by<'tcx>(tcx: TyCtxt<'tcx>, item: LocalDefId) -> &'tcx [ | DefKind::Enum | DefKind::Variant | DefKind::Trait - | DefKind::TyAlias | DefKind::ForeignTy | DefKind::TraitAlias | DefKind::TyParam - | DefKind::Const | DefKind::ConstParam - | DefKind::Static(_) | DefKind::Ctor(_, _) | DefKind::Macro(_) | DefKind::ExternCrate | DefKind::Use | DefKind::ForeignMod - | DefKind::AnonConst - | DefKind::InlineConst - | DefKind::OpaqueTy | DefKind::ImplTraitPlaceholder | DefKind::Field | DefKind::LifetimeParam | DefKind::GlobalAsm - | DefKind::Impl { .. } - | DefKind::Closure - | DefKind::Generator => { - span_bug!(tcx.def_span(item), "{kind:?} is type checked as part of its parent") + | DefKind::Impl { .. } => {} + // Closures and generators are type checked with their parent, so there is no difference here. + DefKind::Closure | DefKind::Generator | DefKind::InlineConst => { + return tcx.opaque_types_defined_by(tcx.local_parent(item)); } } + tcx.arena.alloc_from_iter(collector.opaques) } pub(super) fn provide(providers: &mut Providers) { diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 466616cd22b..6e5c50492c6 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -103,7 +103,7 @@ fn adt_sized_constraint(tcx: TyCtxt<'_>, def_id: DefId) -> &[Ty<'_>] { let result = tcx.mk_type_list_from_iter( def.variants() .iter() - .filter_map(|v| v.fields.raw.last()) + .filter_map(|v| v.tail_opt()) .flat_map(|f| sized_constraint_for_ty(tcx, def, tcx.type_of(f.did).subst_identity())), ); diff --git a/config.example.toml b/config.example.toml index 0c65b25fe13..367f95b156f 100644 --- a/config.example.toml +++ b/config.example.toml @@ -400,10 +400,20 @@ changelog-seen = 2 # ============================================================================= [rust] -# Whether or not to optimize the compiler and standard library. +# Whether or not to optimize when compiling the compiler and standard library, +# and what level of optimization to use. # WARNING: Building with optimize = false is NOT SUPPORTED. Due to bootstrapping, # building without optimizations takes much longer than optimizing. Further, some platforms # fail to build without this optimization (c.f. #65352). +# The valid options are: +# true - Enable optimizations. +# false - Disable optimizations. +# 0 - Disable optimizations. +# 1 - Basic optimizations. +# 2 - Some optimizations. +# 3 - All optimizations. +# "s" - Optimize for binary size. +# "z" - Optimize for binary size, but also turn off loop vectorization. #optimize = true # Indicates that the build should be configured for debugging Rust. A @@ -757,7 +767,7 @@ changelog-seen = 2 # This option will override the same option under [build] section. #profiler = build.profiler (bool) -# This option supports enable `rpath` in each target independently, +# This option supports enable `rpath` in each target independently, # and will override the same option under [rust] section. It only works on Unix platforms #rpath = rust.rpath (bool) diff --git a/library/core/src/default.rs b/library/core/src/default.rs index 1f7be85d38a..5242e97eb9a 100644 --- a/library/core/src/default.rs +++ b/library/core/src/default.rs @@ -133,51 +133,6 @@ pub trait Default: Sized { fn default() -> Self; } -/// Return the default value of a type according to the `Default` trait. -/// -/// The type to return is inferred from context; this is equivalent to -/// `Default::default()` but shorter to type. -/// -/// For example: -/// ``` -/// #![feature(default_free_fn)] -/// -/// use std::default::default; -/// -/// #[derive(Default)] -/// struct AppConfig { -/// foo: FooConfig, -/// bar: BarConfig, -/// } -/// -/// #[derive(Default)] -/// struct FooConfig { -/// foo: i32, -/// } -/// -/// #[derive(Default)] -/// struct BarConfig { -/// bar: f32, -/// baz: u8, -/// } -/// -/// fn main() { -/// let options = AppConfig { -/// foo: default(), -/// bar: BarConfig { -/// bar: 10.1, -/// ..default() -/// }, -/// }; -/// } -/// ``` -#[unstable(feature = "default_free_fn", issue = "73014")] -#[must_use] -#[inline] -pub fn default<T: Default>() -> T { - Default::default() -} - /// Derive macro generating an impl of the trait `Default`. #[rustc_builtin_macro(Default, attributes(default))] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 5d6e7dcfcee..e2a2428fbc2 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -851,6 +851,8 @@ impl<T> [T] { /// Swaps two elements in the slice. /// + /// If `a` equals to `b`, it's guaranteed that elements won't change value. + /// /// # Arguments /// /// * a - The index of the first element diff --git a/library/portable-simd/.github/workflows/ci.yml b/library/portable-simd/.github/workflows/ci.yml index acd47a3da72..1ff377fce34 100644 --- a/library/portable-simd/.github/workflows/ci.yml +++ b/library/portable-simd/.github/workflows/ci.yml @@ -38,8 +38,9 @@ jobs: - i586-unknown-linux-gnu - aarch64-unknown-linux-gnu - armv7-unknown-linux-gnueabihf - - mips-unknown-linux-gnu - - mips64-unknown-linux-gnuabi64 + # non-nightly since https://github.com/rust-lang/rust/pull/113274 + # - mips-unknown-linux-gnu + # - mips64-unknown-linux-gnuabi64 - powerpc-unknown-linux-gnu - powerpc64-unknown-linux-gnu - riscv64gc-unknown-linux-gnu @@ -191,8 +192,8 @@ jobs: # Note: The issue above means neither of these mips targets will use # MSA (mips simd) but MIPS uses a nonstandard binary representation # for NaNs which makes it worth testing on despite that. - - mips-unknown-linux-gnu - - mips64-unknown-linux-gnuabi64 + # - mips-unknown-linux-gnu + # - mips64-unknown-linux-gnuabi64 - riscv64gc-unknown-linux-gnu # TODO this test works, but it appears to time out # - powerpc-unknown-linux-gnu diff --git a/library/portable-simd/crates/core_simd/src/cast.rs b/library/portable-simd/crates/core_simd/src/cast.rs index 65a3f845ffc..1c3592f8075 100644 --- a/library/portable-simd/crates/core_simd/src/cast.rs +++ b/library/portable-simd/crates/core_simd/src/cast.rs @@ -1,55 +1,51 @@ use crate::simd::SimdElement; +mod sealed { + /// Cast vector elements to other types. + /// + /// # Safety + /// Implementing this trait asserts that the type is a valid vector element for the `simd_cast` + /// or `simd_as` intrinsics. + pub unsafe trait Sealed {} +} +use sealed::Sealed; + /// Supporting trait for `Simd::cast`. Typically doesn't need to be used directly. -/// -/// # Safety -/// Implementing this trait asserts that the type is a valid vector element for the `simd_cast` or -/// `simd_as` intrinsics. -pub unsafe trait SimdCast: SimdElement {} +pub trait SimdCast: Sealed + SimdElement {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for i8 {} +unsafe impl Sealed for i8 {} +impl SimdCast for i8 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for i16 {} +unsafe impl Sealed for i16 {} +impl SimdCast for i16 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for i32 {} +unsafe impl Sealed for i32 {} +impl SimdCast for i32 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for i64 {} +unsafe impl Sealed for i64 {} +impl SimdCast for i64 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for isize {} +unsafe impl Sealed for isize {} +impl SimdCast for isize {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for u8 {} +unsafe impl Sealed for u8 {} +impl SimdCast for u8 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for u16 {} +unsafe impl Sealed for u16 {} +impl SimdCast for u16 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for u32 {} +unsafe impl Sealed for u32 {} +impl SimdCast for u32 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for u64 {} +unsafe impl Sealed for u64 {} +impl SimdCast for u64 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for usize {} +unsafe impl Sealed for usize {} +impl SimdCast for usize {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for f32 {} +unsafe impl Sealed for f32 {} +impl SimdCast for f32 {} // Safety: primitive number types can be cast to other primitive number types -unsafe impl SimdCast for f64 {} - -/// Supporting trait for `Simd::cast_ptr`. Typically doesn't need to be used directly. -/// -/// # Safety -/// Implementing this trait asserts that the type is a valid vector element for the `simd_cast_ptr` -/// intrinsic. -pub unsafe trait SimdCastPtr<T> {} - -// Safety: pointers can be cast to other pointer types -unsafe impl<T, U> SimdCastPtr<T> for *const U -where - U: core::ptr::Pointee, - T: core::ptr::Pointee<Metadata = U::Metadata>, -{ -} -// Safety: pointers can be cast to other pointer types -unsafe impl<T, U> SimdCastPtr<T> for *mut U -where - U: core::ptr::Pointee, - T: core::ptr::Pointee<Metadata = U::Metadata>, -{ -} +unsafe impl Sealed for f64 {} +impl SimdCast for f64 {} diff --git a/library/portable-simd/crates/core_simd/src/elements/const_ptr.rs b/library/portable-simd/crates/core_simd/src/elements/const_ptr.rs index 0ef9802b5e2..f215f9a61d0 100644 --- a/library/portable-simd/crates/core_simd/src/elements/const_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/elements/const_ptr.rs @@ -1,5 +1,5 @@ use super::sealed::Sealed; -use crate::simd::{intrinsics, LaneCount, Mask, Simd, SimdPartialEq, SupportedLaneCount}; +use crate::simd::{intrinsics, LaneCount, Mask, Simd, SimdPartialEq, SimdUint, SupportedLaneCount}; /// Operations on SIMD vectors of constant pointers. pub trait SimdConstPtr: Copy + Sealed { @@ -9,6 +9,9 @@ pub trait SimdConstPtr: Copy + Sealed { /// Vector of `isize` with the same number of lanes. type Isize; + /// Vector of const pointers with the same number of lanes. + type CastPtr<T>; + /// Vector of mutable pointers to the same type. type MutPtr; @@ -18,6 +21,11 @@ pub trait SimdConstPtr: Copy + Sealed { /// Returns `true` for each lane that is null. fn is_null(self) -> Self::Mask; + /// Casts to a pointer of another type. + /// + /// Equivalent to calling [`pointer::cast`] on each lane. + fn cast<T>(self) -> Self::CastPtr<T>; + /// Changes constness without changing the type. /// /// Equivalent to calling [`pointer::cast_mut`] on each lane. @@ -78,6 +86,7 @@ where { type Usize = Simd<usize, LANES>; type Isize = Simd<isize, LANES>; + type CastPtr<U> = Simd<*const U, LANES>; type MutPtr = Simd<*mut T, LANES>; type Mask = Mask<isize, LANES>; @@ -87,8 +96,21 @@ where } #[inline] + fn cast<U>(self) -> Self::CastPtr<U> { + // SimdElement currently requires zero-sized metadata, so this should never fail. + // If this ever changes, `simd_cast_ptr` should produce a post-mono error. + use core::{mem::size_of, ptr::Pointee}; + assert_eq!(size_of::<<T as Pointee>::Metadata>(), 0); + assert_eq!(size_of::<<U as Pointee>::Metadata>(), 0); + + // Safety: pointers can be cast + unsafe { intrinsics::simd_cast_ptr(self) } + } + + #[inline] fn cast_mut(self) -> Self::MutPtr { - self.cast_ptr() + // Safety: pointers can be cast + unsafe { intrinsics::simd_cast_ptr(self) } } #[inline] @@ -106,9 +128,9 @@ where // In the mean-time, this operation is defined to be "as if" it was // a wrapping_offset, so we can emulate it as such. This should properly // restore pointer provenance even under today's compiler. - self.cast_ptr::<*const u8>() + self.cast::<u8>() .wrapping_offset(addr.cast::<isize>() - self.addr().cast::<isize>()) - .cast_ptr() + .cast() } #[inline] diff --git a/library/portable-simd/crates/core_simd/src/elements/float.rs b/library/portable-simd/crates/core_simd/src/elements/float.rs index d6022327055..501c1c5ddd3 100644 --- a/library/portable-simd/crates/core_simd/src/elements/float.rs +++ b/library/portable-simd/crates/core_simd/src/elements/float.rs @@ -1,6 +1,6 @@ use super::sealed::Sealed; use crate::simd::{ - intrinsics, LaneCount, Mask, Simd, SimdElement, SimdPartialEq, SimdPartialOrd, + intrinsics, LaneCount, Mask, Simd, SimdCast, SimdElement, SimdPartialEq, SimdPartialOrd, SupportedLaneCount, }; @@ -15,6 +15,53 @@ pub trait SimdFloat: Copy + Sealed { /// Bit representation of this SIMD vector type. type Bits; + /// A SIMD vector with a different element type. + type Cast<T: SimdElement>; + + /// Performs elementwise conversion of this vector's elements to another SIMD-valid type. + /// + /// This follows the semantics of Rust's `as` conversion for floats (truncating or saturating + /// at the limits) for each element. + /// + /// # Example + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd; + /// # use simd::{SimdFloat, SimdInt, Simd}; + /// let floats: Simd<f32, 4> = Simd::from_array([1.9, -4.5, f32::INFINITY, f32::NAN]); + /// let ints = floats.cast::<i32>(); + /// assert_eq!(ints, Simd::from_array([1, -4, i32::MAX, 0])); + /// + /// // Formally equivalent, but `Simd::cast` can optimize better. + /// assert_eq!(ints, Simd::from_array(floats.to_array().map(|x| x as i32))); + /// + /// // The float conversion does not round-trip. + /// let floats_again = ints.cast(); + /// assert_ne!(floats, floats_again); + /// assert_eq!(floats_again, Simd::from_array([1.0, -4.0, 2147483647.0, 0.0])); + /// ``` + #[must_use] + fn cast<T: SimdCast>(self) -> Self::Cast<T>; + + /// Rounds toward zero and converts to the same-width integer type, assuming that + /// the value is finite and fits in that type. + /// + /// # Safety + /// The value must: + /// + /// * Not be NaN + /// * Not be infinite + /// * Be representable in the return type, after truncating off its fractional part + /// + /// If these requirements are infeasible or costly, consider using the safe function [cast], + /// which saturates on conversion. + /// + /// [cast]: Simd::cast + unsafe fn to_int_unchecked<I: SimdCast>(self) -> Self::Cast<I> + where + Self::Scalar: core::convert::FloatToInt<I>; + /// Raw transmutation to an unsigned integer vector type with the /// same size and number of lanes. #[must_use = "method returns a new vector and does not mutate the original value"] @@ -206,6 +253,24 @@ macro_rules! impl_trait { type Mask = Mask<<$mask_ty as SimdElement>::Mask, LANES>; type Scalar = $ty; type Bits = Simd<$bits_ty, LANES>; + type Cast<T: SimdElement> = Simd<T, LANES>; + + #[inline] + fn cast<T: SimdCast>(self) -> Self::Cast<T> + { + // Safety: supported types are guaranteed by SimdCast + unsafe { intrinsics::simd_as(self) } + } + + #[inline] + #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces + unsafe fn to_int_unchecked<I: SimdCast>(self) -> Self::Cast<I> + where + Self::Scalar: core::convert::FloatToInt<I>, + { + // Safety: supported types are guaranteed by SimdCast, the caller is responsible for the extra invariants + unsafe { intrinsics::simd_cast(self) } + } #[inline] fn to_bits(self) -> Simd<$bits_ty, LANES> { diff --git a/library/portable-simd/crates/core_simd/src/elements/int.rs b/library/portable-simd/crates/core_simd/src/elements/int.rs index 9b8c37ed466..6db89ff9a65 100644 --- a/library/portable-simd/crates/core_simd/src/elements/int.rs +++ b/library/portable-simd/crates/core_simd/src/elements/int.rs @@ -1,6 +1,6 @@ use super::sealed::Sealed; use crate::simd::{ - intrinsics, LaneCount, Mask, Simd, SimdElement, SimdPartialOrd, SupportedLaneCount, + intrinsics, LaneCount, Mask, Simd, SimdCast, SimdElement, SimdPartialOrd, SupportedLaneCount, }; /// Operations on SIMD vectors of signed integers. @@ -11,6 +11,16 @@ pub trait SimdInt: Copy + Sealed { /// Scalar type contained by this SIMD vector type. type Scalar; + /// A SIMD vector with a different element type. + type Cast<T: SimdElement>; + + /// Performs elementwise conversion of this vector's elements to another SIMD-valid type. + /// + /// This follows the semantics of Rust's `as` conversion for casting integers (wrapping to + /// other integer types, and saturating to float types). + #[must_use] + fn cast<T: SimdCast>(self) -> Self::Cast<T>; + /// Lanewise saturating add. /// /// # Examples @@ -198,6 +208,13 @@ macro_rules! impl_trait { { type Mask = Mask<<$ty as SimdElement>::Mask, LANES>; type Scalar = $ty; + type Cast<T: SimdElement> = Simd<T, LANES>; + + #[inline] + fn cast<T: SimdCast>(self) -> Self::Cast<T> { + // Safety: supported types are guaranteed by SimdCast + unsafe { intrinsics::simd_as(self) } + } #[inline] fn saturating_add(self, second: Self) -> Self { diff --git a/library/portable-simd/crates/core_simd/src/elements/mut_ptr.rs b/library/portable-simd/crates/core_simd/src/elements/mut_ptr.rs index d87986b4a09..4bdc6a14ce4 100644 --- a/library/portable-simd/crates/core_simd/src/elements/mut_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/elements/mut_ptr.rs @@ -1,5 +1,5 @@ use super::sealed::Sealed; -use crate::simd::{intrinsics, LaneCount, Mask, Simd, SimdPartialEq, SupportedLaneCount}; +use crate::simd::{intrinsics, LaneCount, Mask, Simd, SimdPartialEq, SimdUint, SupportedLaneCount}; /// Operations on SIMD vectors of mutable pointers. pub trait SimdMutPtr: Copy + Sealed { @@ -9,6 +9,9 @@ pub trait SimdMutPtr: Copy + Sealed { /// Vector of `isize` with the same number of lanes. type Isize; + /// Vector of const pointers with the same number of lanes. + type CastPtr<T>; + /// Vector of constant pointers to the same type. type ConstPtr; @@ -18,6 +21,11 @@ pub trait SimdMutPtr: Copy + Sealed { /// Returns `true` for each lane that is null. fn is_null(self) -> Self::Mask; + /// Casts to a pointer of another type. + /// + /// Equivalent to calling [`pointer::cast`] on each lane. + fn cast<T>(self) -> Self::CastPtr<T>; + /// Changes constness without changing the type. /// /// Equivalent to calling [`pointer::cast_const`] on each lane. @@ -73,6 +81,7 @@ where { type Usize = Simd<usize, LANES>; type Isize = Simd<isize, LANES>; + type CastPtr<U> = Simd<*mut U, LANES>; type ConstPtr = Simd<*const T, LANES>; type Mask = Mask<isize, LANES>; @@ -82,8 +91,21 @@ where } #[inline] + fn cast<U>(self) -> Self::CastPtr<U> { + // SimdElement currently requires zero-sized metadata, so this should never fail. + // If this ever changes, `simd_cast_ptr` should produce a post-mono error. + use core::{mem::size_of, ptr::Pointee}; + assert_eq!(size_of::<<T as Pointee>::Metadata>(), 0); + assert_eq!(size_of::<<U as Pointee>::Metadata>(), 0); + + // Safety: pointers can be cast + unsafe { intrinsics::simd_cast_ptr(self) } + } + + #[inline] fn cast_const(self) -> Self::ConstPtr { - self.cast_ptr() + // Safety: pointers can be cast + unsafe { intrinsics::simd_cast_ptr(self) } } #[inline] @@ -101,9 +123,9 @@ where // In the mean-time, this operation is defined to be "as if" it was // a wrapping_offset, so we can emulate it as such. This should properly // restore pointer provenance even under today's compiler. - self.cast_ptr::<*mut u8>() + self.cast::<u8>() .wrapping_offset(addr.cast::<isize>() - self.addr().cast::<isize>()) - .cast_ptr() + .cast() } #[inline] diff --git a/library/portable-simd/crates/core_simd/src/elements/uint.rs b/library/portable-simd/crates/core_simd/src/elements/uint.rs index 21e7e76eb3d..3926c395ec9 100644 --- a/library/portable-simd/crates/core_simd/src/elements/uint.rs +++ b/library/portable-simd/crates/core_simd/src/elements/uint.rs @@ -1,11 +1,21 @@ use super::sealed::Sealed; -use crate::simd::{intrinsics, LaneCount, Simd, SupportedLaneCount}; +use crate::simd::{intrinsics, LaneCount, Simd, SimdCast, SimdElement, SupportedLaneCount}; /// Operations on SIMD vectors of unsigned integers. pub trait SimdUint: Copy + Sealed { /// Scalar type contained by this SIMD vector type. type Scalar; + /// A SIMD vector with a different element type. + type Cast<T: SimdElement>; + + /// Performs elementwise conversion of this vector's elements to another SIMD-valid type. + /// + /// This follows the semantics of Rust's `as` conversion for casting integers (wrapping to + /// other integer types, and saturating to float types). + #[must_use] + fn cast<T: SimdCast>(self) -> Self::Cast<T>; + /// Lanewise saturating add. /// /// # Examples @@ -77,6 +87,13 @@ macro_rules! impl_trait { LaneCount<LANES>: SupportedLaneCount, { type Scalar = $ty; + type Cast<T: SimdElement> = Simd<T, LANES>; + + #[inline] + fn cast<T: SimdCast>(self) -> Self::Cast<T> { + // Safety: supported types are guaranteed by SimdCast + unsafe { intrinsics::simd_as(self) } + } #[inline] fn saturating_add(self, second: Self) -> Self { diff --git a/library/portable-simd/crates/core_simd/src/iter.rs b/library/portable-simd/crates/core_simd/src/iter.rs index 3275b4db8e4..328c995b81d 100644 --- a/library/portable-simd/crates/core_simd/src/iter.rs +++ b/library/portable-simd/crates/core_simd/src/iter.rs @@ -10,6 +10,7 @@ macro_rules! impl_traits { where LaneCount<LANES>: SupportedLaneCount, { + #[inline] fn sum<I: Iterator<Item = Self>>(iter: I) -> Self { iter.fold(Simd::splat(0 as $type), Add::add) } @@ -19,6 +20,7 @@ macro_rules! impl_traits { where LaneCount<LANES>: SupportedLaneCount, { + #[inline] fn product<I: Iterator<Item = Self>>(iter: I) -> Self { iter.fold(Simd::splat(1 as $type), Mul::mul) } @@ -28,6 +30,7 @@ macro_rules! impl_traits { where LaneCount<LANES>: SupportedLaneCount, { + #[inline] fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self { iter.fold(Simd::splat(0 as $type), Add::add) } @@ -37,6 +40,7 @@ macro_rules! impl_traits { where LaneCount<LANES>: SupportedLaneCount, { + #[inline] fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self { iter.fold(Simd::splat(1 as $type), Mul::mul) } diff --git a/library/portable-simd/crates/core_simd/src/lib.rs b/library/portable-simd/crates/core_simd/src/lib.rs index e5307de2155..fde406bda70 100644 --- a/library/portable-simd/crates/core_simd/src/lib.rs +++ b/library/portable-simd/crates/core_simd/src/lib.rs @@ -16,7 +16,7 @@ )] #![cfg_attr(feature = "generic_const_exprs", feature(generic_const_exprs))] #![cfg_attr(feature = "generic_const_exprs", allow(incomplete_features))] -#![warn(missing_docs)] +#![warn(missing_docs, clippy::missing_inline_in_public_items)] // basically all items, really #![deny(unsafe_op_in_unsafe_fn, clippy::undocumented_unsafe_blocks)] #![unstable(feature = "portable_simd", issue = "86656")] //! Portable SIMD module. diff --git a/library/portable-simd/crates/core_simd/src/masks.rs b/library/portable-simd/crates/core_simd/src/masks.rs index e0f3c7beef6..fea687bdc1a 100644 --- a/library/portable-simd/crates/core_simd/src/masks.rs +++ b/library/portable-simd/crates/core_simd/src/masks.rs @@ -179,6 +179,7 @@ where /// Panics if any lane is not 0 or -1. #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] + #[track_caller] pub fn from_int(value: Simd<T, LANES>) -> Self { assert!(T::valid(value), "all values must be either 0 or -1",); // Safety: the validity has been checked @@ -217,6 +218,7 @@ where /// Panics if `lane` is greater than or equal to the number of lanes in the vector. #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] + #[track_caller] pub fn test(&self, lane: usize) -> bool { assert!(lane < LANES, "lane index out of range"); // Safety: the lane index has been checked @@ -240,6 +242,7 @@ where /// # Panics /// Panics if `lane` is greater than or equal to the number of lanes in the vector. #[inline] + #[track_caller] pub fn set(&mut self, lane: usize, value: bool) { assert!(lane < LANES, "lane index out of range"); // Safety: the lane index has been checked @@ -327,6 +330,7 @@ where T: MaskElement + fmt::Debug, LaneCount<LANES>: SupportedLaneCount, { + #[inline] fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_list() .entries((0..LANES).map(|lane| self.test(lane))) diff --git a/library/portable-simd/crates/core_simd/src/mod.rs b/library/portable-simd/crates/core_simd/src/mod.rs index 35c659b7a42..f9891a3b7c1 100644 --- a/library/portable-simd/crates/core_simd/src/mod.rs +++ b/library/portable-simd/crates/core_simd/src/mod.rs @@ -23,6 +23,8 @@ mod vendor; #[doc = include_str!("core_simd_docs.md")] pub mod simd { + pub mod prelude; + pub(crate) use crate::core_simd::intrinsics; pub use crate::core_simd::alias::*; diff --git a/library/portable-simd/crates/core_simd/src/ops.rs b/library/portable-simd/crates/core_simd/src/ops.rs index fc1e0bc426d..b007456cf2c 100644 --- a/library/portable-simd/crates/core_simd/src/ops.rs +++ b/library/portable-simd/crates/core_simd/src/ops.rs @@ -15,6 +15,7 @@ where I: core::slice::SliceIndex<[T]>, { type Output = I::Output; + #[inline] fn index(&self, index: I) -> &Self::Output { &self.as_array()[index] } @@ -26,6 +27,7 @@ where LaneCount<LANES>: SupportedLaneCount, I: core::slice::SliceIndex<[T]>, { + #[inline] fn index_mut(&mut self, index: I) -> &mut Self::Output { &mut self.as_mut_array()[index] } @@ -118,10 +120,14 @@ macro_rules! for_base_types { #[inline] #[must_use = "operator returns a new vector without mutating the inputs"] + // TODO: only useful for int Div::div, but we hope that this + // will essentially always always get inlined anyway. + #[track_caller] fn $call(self, rhs: Self) -> Self::Output { $macro_impl!(self, rhs, $inner, $scalar) } - })* + } + )* } } diff --git a/library/portable-simd/crates/core_simd/src/ord.rs b/library/portable-simd/crates/core_simd/src/ord.rs index 1ae9cd061fb..b2455190e82 100644 --- a/library/portable-simd/crates/core_simd/src/ord.rs +++ b/library/portable-simd/crates/core_simd/src/ord.rs @@ -94,6 +94,7 @@ macro_rules! impl_integer { } #[inline] + #[track_caller] fn simd_clamp(self, min: Self, max: Self) -> Self { assert!( min.simd_le(max).all(), @@ -200,6 +201,7 @@ macro_rules! impl_mask { } #[inline] + #[track_caller] fn simd_clamp(self, min: Self, max: Self) -> Self { assert!( min.simd_le(max).all(), @@ -254,6 +256,7 @@ where } #[inline] + #[track_caller] fn simd_clamp(self, min: Self, max: Self) -> Self { assert!( min.simd_le(max).all(), @@ -303,6 +306,7 @@ where } #[inline] + #[track_caller] fn simd_clamp(self, min: Self, max: Self) -> Self { assert!( min.simd_le(max).all(), diff --git a/library/portable-simd/crates/core_simd/src/simd/prelude.rs b/library/portable-simd/crates/core_simd/src/simd/prelude.rs new file mode 100644 index 00000000000..e8fdc932d49 --- /dev/null +++ b/library/portable-simd/crates/core_simd/src/simd/prelude.rs @@ -0,0 +1,80 @@ +//! The portable SIMD prelude. +//! +//! Includes important traits and types to be imported with a glob: +//! ```ignore +//! use std::simd::prelude::*; +//! ``` + +#[doc(no_inline)] +pub use super::{ + simd_swizzle, Mask, Simd, SimdConstPtr, SimdFloat, SimdInt, SimdMutPtr, SimdOrd, SimdPartialEq, + SimdPartialOrd, SimdUint, +}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{f32x1, f32x2, f32x4, f32x8, f32x16, f32x32, f32x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{f64x1, f64x2, f64x4, f64x8, f64x16, f64x32, f64x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{i8x1, i8x2, i8x4, i8x8, i8x16, i8x32, i8x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{i16x1, i16x2, i16x4, i16x8, i16x16, i16x32, i16x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{i32x1, i32x2, i32x4, i32x8, i32x16, i32x32, i32x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{i64x1, i64x2, i64x4, i64x8, i64x16, i64x32, i64x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{isizex1, isizex2, isizex4, isizex8, isizex16, isizex32, isizex64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{u8x1, u8x2, u8x4, u8x8, u8x16, u8x32, u8x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{u16x1, u16x2, u16x4, u16x8, u16x16, u16x32, u16x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{u32x1, u32x2, u32x4, u32x8, u32x16, u32x32, u32x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{u64x1, u64x2, u64x4, u64x8, u64x16, u64x32, u64x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{usizex1, usizex2, usizex4, usizex8, usizex16, usizex32, usizex64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{mask8x1, mask8x2, mask8x4, mask8x8, mask8x16, mask8x32, mask8x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{mask16x1, mask16x2, mask16x4, mask16x8, mask16x16, mask16x32, mask16x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{mask32x1, mask32x2, mask32x4, mask32x8, mask32x16, mask32x32, mask32x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{mask64x1, mask64x2, mask64x4, mask64x8, mask64x16, mask64x32, mask64x64}; + +#[rustfmt::skip] +#[doc(no_inline)] +pub use super::{masksizex1, masksizex2, masksizex4, masksizex8, masksizex16, masksizex32, masksizex64}; diff --git a/library/portable-simd/crates/core_simd/src/swizzle_dyn.rs b/library/portable-simd/crates/core_simd/src/swizzle_dyn.rs index 6065d645937..ce621792534 100644 --- a/library/portable-simd/crates/core_simd/src/swizzle_dyn.rs +++ b/library/portable-simd/crates/core_simd/src/swizzle_dyn.rs @@ -16,9 +16,14 @@ where #[inline] pub fn swizzle_dyn(self, idxs: Simd<u8, N>) -> Self { #![allow(unused_imports, unused_unsafe)] - #[cfg(target_arch = "aarch64")] + #[cfg(all(target_arch = "aarch64", target_endian = "little"))] use core::arch::aarch64::{uint8x8_t, vqtbl1q_u8, vtbl1_u8}; - #[cfg(all(target_arch = "arm", target_feature = "v7", target_feature = "neon"))] + #[cfg(all( + target_arch = "arm", + target_feature = "v7", + target_feature = "neon", + target_endian = "little" + ))] use core::arch::arm::{uint8x8_t, vtbl1_u8}; #[cfg(target_arch = "wasm32")] use core::arch::wasm32 as wasm; @@ -29,13 +34,24 @@ where // SAFETY: Intrinsics covered by cfg unsafe { match N { - #[cfg(target_feature = "neon")] + #[cfg(all( + any( + target_arch = "aarch64", + all(target_arch = "arm", target_feature = "v7") + ), + target_feature = "neon", + target_endian = "little" + ))] 8 => transize(vtbl1_u8, self, idxs), #[cfg(target_feature = "ssse3")] 16 => transize(x86::_mm_shuffle_epi8, self, idxs), #[cfg(target_feature = "simd128")] 16 => transize(wasm::i8x16_swizzle, self, idxs), - #[cfg(all(target_arch = "aarch64", target_feature = "neon"))] + #[cfg(all( + target_arch = "aarch64", + target_feature = "neon", + target_endian = "little" + ))] 16 => transize(vqtbl1q_u8, self, idxs), #[cfg(all(target_feature = "avx2", not(target_feature = "avx512vbmi")))] 32 => transize_raw(avx2_pshufb, self, idxs), diff --git a/library/portable-simd/crates/core_simd/src/vector.rs b/library/portable-simd/crates/core_simd/src/vector.rs index 3809cc96151..9aa7bacfce9 100644 --- a/library/portable-simd/crates/core_simd/src/vector.rs +++ b/library/portable-simd/crates/core_simd/src/vector.rs @@ -1,6 +1,6 @@ use crate::simd::{ - intrinsics, LaneCount, Mask, MaskElement, SimdCast, SimdCastPtr, SimdConstPtr, SimdMutPtr, - SimdPartialOrd, SupportedLaneCount, Swizzle, + intrinsics, LaneCount, Mask, MaskElement, SimdConstPtr, SimdMutPtr, SimdPartialOrd, + SupportedLaneCount, Swizzle, }; use core::convert::{TryFrom, TryInto}; @@ -122,6 +122,7 @@ where /// let v = u32x4::splat(0); /// assert_eq!(v.lanes(), 4); /// ``` + #[inline] pub const fn lanes(&self) -> usize { Self::LANES } @@ -136,6 +137,7 @@ where /// let v = u32x4::splat(8); /// assert_eq!(v.as_array(), &[8, 8, 8, 8]); /// ``` + #[inline] pub fn splat(value: T) -> Self { // This is preferred over `[value; N]`, since it's explicitly a splat: // https://github.com/rust-lang/rust/issues/97804 @@ -156,6 +158,7 @@ where /// let v: u64x4 = Simd::from_array([0, 1, 2, 3]); /// assert_eq!(v.as_array(), &[0, 1, 2, 3]); /// ``` + #[inline] pub const fn as_array(&self) -> &[T; N] { // SAFETY: `Simd<T, N>` is just an overaligned `[T; N]` with // potential padding at the end, so pointer casting to a @@ -167,6 +170,7 @@ where } /// Returns a mutable array reference containing the entire SIMD vector. + #[inline] pub fn as_mut_array(&mut self) -> &mut [T; N] { // SAFETY: `Simd<T, N>` is just an overaligned `[T; N]` with // potential padding at the end, so pointer casting to a @@ -184,6 +188,7 @@ where /// /// # Safety /// Reading `ptr` must be safe, as if by `<*const [T; N]>::read_unaligned`. + #[inline] const unsafe fn load(ptr: *const [T; N]) -> Self { // There are potentially simpler ways to write this function, but this should result in // LLVM `load <N x T>` @@ -204,6 +209,7 @@ where /// /// # Safety /// Writing to `ptr` must be safe, as if by `<*mut [T; N]>::write_unaligned`. + #[inline] const unsafe fn store(self, ptr: *mut [T; N]) { // There are potentially simpler ways to write this function, but this should result in // LLVM `store <N x T>` @@ -216,6 +222,7 @@ where } /// Converts an array to a SIMD vector. + #[inline] pub const fn from_array(array: [T; N]) -> Self { // SAFETY: `&array` is safe to read. // @@ -228,6 +235,7 @@ where } /// Converts a SIMD vector to an array. + #[inline] pub const fn to_array(self) -> [T; N] { let mut tmp = core::mem::MaybeUninit::uninit(); // SAFETY: writing to `tmp` is safe and initializes it. @@ -259,6 +267,8 @@ where /// assert_eq!(v.as_array(), &[1, 2, 3, 4]); /// ``` #[must_use] + #[inline] + #[track_caller] pub const fn from_slice(slice: &[T]) -> Self { assert!( slice.len() >= Self::LANES, @@ -287,6 +297,8 @@ where /// v.copy_to_slice(&mut dest); /// assert_eq!(&dest, &[1, 2, 3, 4, 0, 0]); /// ``` + #[inline] + #[track_caller] pub fn copy_to_slice(self, slice: &mut [T]) { assert!( slice.len() >= Self::LANES, @@ -297,76 +309,6 @@ where unsafe { self.store(slice.as_mut_ptr().cast()) } } - /// Performs elementwise conversion of a SIMD vector's elements to another SIMD-valid type. - /// - /// This follows the semantics of Rust's `as` conversion for casting integers between - /// signed and unsigned (interpreting integers as 2s complement, so `-1` to `U::MAX` and - /// `1 << (U::BITS -1)` becoming `I::MIN` ), and from floats to integers (truncating, - /// or saturating at the limits) for each element. - /// - /// # Examples - /// ``` - /// # #![feature(portable_simd)] - /// # use core::simd::Simd; - /// let floats: Simd<f32, 4> = Simd::from_array([1.9, -4.5, f32::INFINITY, f32::NAN]); - /// let ints = floats.cast::<i32>(); - /// assert_eq!(ints, Simd::from_array([1, -4, i32::MAX, 0])); - /// - /// // Formally equivalent, but `Simd::cast` can optimize better. - /// assert_eq!(ints, Simd::from_array(floats.to_array().map(|x| x as i32))); - /// - /// // The float conversion does not round-trip. - /// let floats_again = ints.cast(); - /// assert_ne!(floats, floats_again); - /// assert_eq!(floats_again, Simd::from_array([1.0, -4.0, 2147483647.0, 0.0])); - /// ``` - #[must_use] - #[inline] - pub fn cast<U: SimdCast>(self) -> Simd<U, N> - where - T: SimdCast, - { - // Safety: supported types are guaranteed by SimdCast - unsafe { intrinsics::simd_as(self) } - } - - /// Casts a vector of pointers to another pointer type. - #[must_use] - #[inline] - pub fn cast_ptr<U>(self) -> Simd<U, N> - where - T: SimdCastPtr<U>, - U: SimdElement, - { - // Safety: supported types are guaranteed by SimdCastPtr - unsafe { intrinsics::simd_cast_ptr(self) } - } - - /// Rounds toward zero and converts to the same-width integer type, assuming that - /// the value is finite and fits in that type. - /// - /// # Safety - /// The value must: - /// - /// * Not be NaN - /// * Not be infinite - /// * Be representable in the return type, after truncating off its fractional part - /// - /// If these requirements are infeasible or costly, consider using the safe function [cast], - /// which saturates on conversion. - /// - /// [cast]: Simd::cast - #[inline] - #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - pub unsafe fn to_int_unchecked<I>(self) -> Simd<I, N> - where - T: core::convert::FloatToInt<I> + SimdCast, - I: SimdCast, - { - // Safety: supported types are guaranteed by SimdCast, the caller is responsible for the extra invariants - unsafe { intrinsics::simd_cast(self) } - } - /// Reads from potentially discontiguous indices in `slice` to construct a SIMD vector. /// If an index is out-of-bounds, the element is instead selected from the `or` vector. /// @@ -717,6 +659,7 @@ where LaneCount<N>: SupportedLaneCount, T: SimdElement, { + #[inline] fn clone(&self) -> Self { *self } @@ -861,6 +804,7 @@ where LaneCount<N>: SupportedLaneCount, T: SimdElement, { + #[inline] fn from(array: [T; N]) -> Self { Self::from_array(array) } @@ -871,6 +815,7 @@ where LaneCount<N>: SupportedLaneCount, T: SimdElement, { + #[inline] fn from(vector: Simd<T, N>) -> Self { vector.to_array() } @@ -883,6 +828,7 @@ where { type Error = core::array::TryFromSliceError; + #[inline] fn try_from(slice: &[T]) -> Result<Self, core::array::TryFromSliceError> { Ok(Self::from_array(slice.try_into()?)) } @@ -895,6 +841,7 @@ where { type Error = core::array::TryFromSliceError; + #[inline] fn try_from(slice: &mut [T]) -> Result<Self, core::array::TryFromSliceError> { Ok(Self::from_array(slice.try_into()?)) } diff --git a/library/portable-simd/crates/core_simd/tests/cast.rs b/library/portable-simd/crates/core_simd/tests/cast.rs index ab5650f0713..00545936ea2 100644 --- a/library/portable-simd/crates/core_simd/tests/cast.rs +++ b/library/portable-simd/crates/core_simd/tests/cast.rs @@ -2,7 +2,8 @@ macro_rules! cast_types { ($start:ident, $($target:ident),*) => { mod $start { - use core_simd::simd::Simd; + #[allow(unused)] + use core_simd::simd::{Simd, SimdInt, SimdUint, SimdFloat}; type Vector<const N: usize> = Simd<$start, N>; $( mod $target { diff --git a/library/portable-simd/crates/core_simd/tests/round.rs b/library/portable-simd/crates/core_simd/tests/round.rs index 8b9638ad466..aacf7bd3bcc 100644 --- a/library/portable-simd/crates/core_simd/tests/round.rs +++ b/library/portable-simd/crates/core_simd/tests/round.rs @@ -53,6 +53,7 @@ macro_rules! float_rounding_test { test_helpers::test_lanes! { fn to_int_unchecked<const LANES: usize>() { + use core_simd::simd::SimdFloat; // The maximum integer that can be represented by the equivalently sized float has // all of the mantissa digits set to 1, pushed up to the MSB. const ALL_MANTISSA_BITS: IntScalar = ((1 << <Scalar>::MANTISSA_DIGITS) - 1); diff --git a/library/std/src/f32.rs b/library/std/src/f32.rs index bed90418be1..bc532990e94 100644 --- a/library/std/src/f32.rs +++ b/library/std/src/f32.rs @@ -500,10 +500,7 @@ impl f32 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn log2(self) -> f32 { - #[cfg(target_os = "android")] - return crate::sys::android::log2f32(self); - #[cfg(not(target_os = "android"))] - return unsafe { intrinsics::log2f32(self) }; + crate::sys::log2f32(self) } /// Returns the base 10 logarithm of the number. diff --git a/library/std/src/f64.rs b/library/std/src/f64.rs index e72de05ca41..5af9f8bcb23 100644 --- a/library/std/src/f64.rs +++ b/library/std/src/f64.rs @@ -456,7 +456,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn ln(self) -> f64 { - self.log_wrapper(|n| unsafe { intrinsics::logf64(n) }) + crate::sys::log_wrapper(self, |n| unsafe { intrinsics::logf64(n) }) } /// Returns the logarithm of the number with respect to an arbitrary base. @@ -500,12 +500,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn log2(self) -> f64 { - self.log_wrapper(|n| { - #[cfg(target_os = "android")] - return crate::sys::android::log2f64(n); - #[cfg(not(target_os = "android"))] - return unsafe { intrinsics::log2f64(n) }; - }) + crate::sys::log_wrapper(self, crate::sys::log2f64) } /// Returns the base 10 logarithm of the number. @@ -525,7 +520,7 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn log10(self) -> f64 { - self.log_wrapper(|n| unsafe { intrinsics::log10f64(n) }) + crate::sys::log_wrapper(self, |n| unsafe { intrinsics::log10f64(n) }) } /// The positive difference of two numbers. @@ -962,28 +957,4 @@ impl f64 { pub fn atanh(self) -> f64 { 0.5 * ((2.0 * self) / (1.0 - self)).ln_1p() } - - // Solaris/Illumos requires a wrapper around log, log2, and log10 functions - // because of their non-standard behavior (e.g., log(-n) returns -Inf instead - // of expected NaN). - #[rustc_allow_incoherent_impl] - fn log_wrapper<F: Fn(f64) -> f64>(self, log_fn: F) -> f64 { - if !cfg!(any(target_os = "solaris", target_os = "illumos")) { - log_fn(self) - } else if self.is_finite() { - if self > 0.0 { - log_fn(self) - } else if self == 0.0 { - Self::NEG_INFINITY // log(0) = -Inf - } else { - Self::NAN // log(-n) = NaN - } - } else if self.is_nan() { - self // log(NaN) = NaN - } else if self > 0.0 { - self // log(Inf) = Inf - } else { - Self::NAN // log(-Inf) = NaN - } - } } diff --git a/library/std/src/io/copy.rs b/library/std/src/io/copy.rs index ef1f4031ef2..3322940d245 100644 --- a/library/std/src/io/copy.rs +++ b/library/std/src/io/copy.rs @@ -1,4 +1,8 @@ use super::{BorrowedBuf, BufReader, BufWriter, ErrorKind, Read, Result, Write, DEFAULT_BUF_SIZE}; +use crate::alloc::Allocator; +use crate::cmp; +use crate::collections::VecDeque; +use crate::io::IoSlice; use crate::mem::MaybeUninit; #[cfg(test)] @@ -86,7 +90,7 @@ where /// Specialization of the read-write loop that reuses the internal /// buffer of a BufReader. If there's no buffer then the writer side -/// should be used intead. +/// should be used instead. trait BufferedReaderSpec { fn buffer_size(&self) -> usize; @@ -104,7 +108,39 @@ where } default fn copy_to(&mut self, _to: &mut (impl Write + ?Sized)) -> Result<u64> { - unimplemented!("only called from specializations"); + unreachable!("only called from specializations") + } +} + +impl BufferedReaderSpec for &[u8] { + fn buffer_size(&self) -> usize { + // prefer this specialization since the source "buffer" is all we'll ever need, + // even if it's small + usize::MAX + } + + fn copy_to(&mut self, to: &mut (impl Write + ?Sized)) -> Result<u64> { + let len = self.len(); + to.write_all(self)?; + *self = &self[len..]; + Ok(len as u64) + } +} + +impl<A: Allocator> BufferedReaderSpec for VecDeque<u8, A> { + fn buffer_size(&self) -> usize { + // prefer this specialization since the source "buffer" is all we'll ever need, + // even if it's small + usize::MAX + } + + fn copy_to(&mut self, to: &mut (impl Write + ?Sized)) -> Result<u64> { + let len = self.len(); + let (front, back) = self.as_slices(); + let bufs = &mut [IoSlice::new(front), IoSlice::new(back)]; + to.write_all_vectored(bufs)?; + self.clear(); + Ok(len as u64) } } @@ -218,6 +254,47 @@ impl<I: Write + ?Sized> BufferedWriterSpec for BufWriter<I> { } } +impl<A: Allocator> BufferedWriterSpec for Vec<u8, A> { + fn buffer_size(&self) -> usize { + cmp::max(DEFAULT_BUF_SIZE, self.capacity() - self.len()) + } + + fn copy_from<R: Read + ?Sized>(&mut self, reader: &mut R) -> Result<u64> { + let mut bytes = 0; + + // avoid allocating before we have determined that there's anything to read + if self.capacity() == 0 { + bytes = stack_buffer_copy(&mut reader.take(DEFAULT_BUF_SIZE as u64), self)?; + if bytes == 0 { + return Ok(0); + } + } + + loop { + self.reserve(DEFAULT_BUF_SIZE); + let mut buf: BorrowedBuf<'_> = self.spare_capacity_mut().into(); + match reader.read_buf(buf.unfilled()) { + Ok(()) => {} + Err(e) if e.kind() == ErrorKind::Interrupted => continue, + Err(e) => return Err(e), + }; + + let read = buf.filled().len(); + if read == 0 { + break; + } + + // SAFETY: BorrowedBuf guarantees all of its filled bytes are init + // and the number of read bytes can't exceed the spare capacity since + // that's what the buffer is borrowing from. + unsafe { self.set_len(self.len() + read) }; + bytes += read as u64; + } + + Ok(bytes) + } +} + fn stack_buffer_copy<R: Read + ?Sized, W: Write + ?Sized>( reader: &mut R, writer: &mut W, diff --git a/library/std/src/io/copy/tests.rs b/library/std/src/io/copy/tests.rs index 8c816af15b8..af137eaf856 100644 --- a/library/std/src/io/copy/tests.rs +++ b/library/std/src/io/copy/tests.rs @@ -1,4 +1,6 @@ use crate::cmp::{max, min}; +use crate::collections::VecDeque; +use crate::io; use crate::io::*; #[test] @@ -19,7 +21,7 @@ struct ShortReader { impl Read for ShortReader { fn read(&mut self, buf: &mut [u8]) -> Result<usize> { - let bytes = min(self.cap, self.read_size); + let bytes = min(self.cap, self.read_size).min(buf.len()); self.cap -= bytes; self.observed_buffer = max(self.observed_buffer, buf.len()); Ok(bytes) @@ -78,6 +80,40 @@ fn copy_specializes_bufreader() { ); } +#[test] +fn copy_specializes_to_vec() { + let cap = 123456; + let mut source = ShortReader { cap, observed_buffer: 0, read_size: 1337 }; + let mut sink = Vec::new(); + assert_eq!(cap as u64, io::copy(&mut source, &mut sink).unwrap()); + assert!( + source.observed_buffer > DEFAULT_BUF_SIZE, + "expected a large buffer to be provided to the reader" + ); +} + +#[test] +fn copy_specializes_from_vecdeque() { + let mut source = VecDeque::with_capacity(100 * 1024); + for _ in 0..20 * 1024 { + source.push_front(0); + } + for _ in 0..20 * 1024 { + source.push_back(0); + } + let mut sink = WriteObserver { observed_buffer: 0 }; + assert_eq!(40 * 1024u64, io::copy(&mut source, &mut sink).unwrap()); + assert_eq!(20 * 1024, sink.observed_buffer); +} + +#[test] +fn copy_specializes_from_slice() { + let mut source = [1; 60 * 1024].as_slice(); + let mut sink = WriteObserver { observed_buffer: 0 }; + assert_eq!(60 * 1024u64, io::copy(&mut source, &mut sink).unwrap()); + assert_eq!(60 * 1024, sink.observed_buffer); +} + #[cfg(unix)] mod io_benches { use crate::fs::File; diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs index 99a7b0d826a..beea3f23c2d 100644 --- a/library/std/src/sys/mod.rs +++ b/library/std/src/sys/mod.rs @@ -61,3 +61,52 @@ cfg_if::cfg_if! { pub const FULL_BACKTRACE_DEFAULT: bool = false; } } + +#[cfg(not(test))] +cfg_if::cfg_if! { + if #[cfg(target_os = "android")] { + pub use self::android::log2f32; + pub use self::android::log2f64; + } else { + #[inline] + pub fn log2f32(n: f32) -> f32 { + unsafe { crate::intrinsics::log2f32(n) } + } + + #[inline] + pub fn log2f64(n: f64) -> f64 { + unsafe { crate::intrinsics::log2f64(n) } + } + } +} + +// Solaris/Illumos requires a wrapper around log, log2, and log10 functions +// because of their non-standard behavior (e.g., log(-n) returns -Inf instead +// of expected NaN). +#[cfg(not(test))] +#[cfg(any(target_os = "solaris", target_os = "illumos"))] +#[inline] +pub fn log_wrapper<F: Fn(f64) -> f64>(n: f64, log_fn: F) -> f64 { + if n.is_finite() { + if n > 0.0 { + log_fn(n) + } else if n == 0.0 { + f64::NEG_INFINITY // log(0) = -Inf + } else { + f64::NAN // log(-n) = NaN + } + } else if n.is_nan() { + n // log(NaN) = NaN + } else if n > 0.0 { + n // log(Inf) = Inf + } else { + f64::NAN // log(-Inf) = NaN + } +} + +#[cfg(not(test))] +#[cfg(not(any(target_os = "solaris", target_os = "illumos")))] +#[inline] +pub fn log_wrapper<F: Fn(f64) -> f64>(n: f64, log_fn: F) -> f64 { + log_fn(n) +} diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index 2b2e9e9f988..66d97a2a0d0 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -85,6 +85,10 @@ dependencies = [ [[package]] name = "build_helper" version = "0.1.0" +dependencies = [ + "serde", + "serde_derive", +] [[package]] name = "cc" diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index 05b66f94727..c9bd329d430 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -665,6 +665,7 @@ impl<'a> Builder<'a> { llvm::Lld, llvm::CrtBeginEnd, tool::RustdocGUITest, + tool::OptimizedDist ), Kind::Check | Kind::Clippy | Kind::Fix => describe!( check::Std, diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 14c3ef79a78..efe621bdb7d 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -508,6 +508,49 @@ impl Step for StdLink { }; add_to_sysroot(builder, &libdir, &hostdir, &libstd_stamp(builder, compiler, target)); + + // Special case for stage0, to make `rustup toolchain link` and `x dist --stage 0` + // work for stage0-sysroot. We only do this if the stage0 compiler comes from beta, + // and is not set to a custom path. + if compiler.stage == 0 + && builder + .build + .config + .initial_rustc + .starts_with(builder.out.join(&compiler.host.triple).join("stage0/bin")) + { + // Copy bin files from stage0/bin to stage0-sysroot/bin + let sysroot = builder.out.join(&compiler.host.triple).join("stage0-sysroot"); + + let host = compiler.host.triple; + let stage0_bin_dir = builder.out.join(&host).join("stage0/bin"); + let sysroot_bin_dir = sysroot.join("bin"); + t!(fs::create_dir_all(&sysroot_bin_dir)); + builder.cp_r(&stage0_bin_dir, &sysroot_bin_dir); + + // Copy all *.so files from stage0/lib to stage0-sysroot/lib + let stage0_lib_dir = builder.out.join(&host).join("stage0/lib"); + if let Ok(files) = fs::read_dir(&stage0_lib_dir) { + for file in files { + let file = t!(file); + let path = file.path(); + if path.is_file() && is_dylib(&file.file_name().into_string().unwrap()) { + builder.copy(&path, &sysroot.join("lib").join(path.file_name().unwrap())); + } + } + } + + // Copy codegen-backends from stage0 + let sysroot_codegen_backends = builder.sysroot_codegen_backends(compiler); + t!(fs::create_dir_all(&sysroot_codegen_backends)); + let stage0_codegen_backends = builder + .out + .join(&host) + .join("stage0/lib/rustlib") + .join(&host) + .join("codegen-backends"); + builder.cp_r(&stage0_codegen_backends, &sysroot_codegen_backends); + } } } diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index 5f5f7ea25fb..28ae46efefe 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -875,11 +875,10 @@ impl Default for StringOrBool { } } -#[derive(Clone, Debug, Deserialize, PartialEq, Eq)] -#[serde(untagged)] +#[derive(Clone, Debug, PartialEq, Eq)] pub enum RustOptimize { - #[serde(deserialize_with = "deserialize_and_validate_opt_level")] String(String), + Int(u8), Bool(bool), } @@ -889,26 +888,74 @@ impl Default for RustOptimize { } } -fn deserialize_and_validate_opt_level<'de, D>(d: D) -> Result<String, D::Error> -where - D: serde::de::Deserializer<'de>, -{ - let v = String::deserialize(d)?; - if ["0", "1", "2", "3", "s", "z"].iter().find(|x| **x == v).is_some() { - Ok(v) - } else { - Err(format!(r#"unrecognized option for rust optimize: "{}", expected one of "0", "1", "2", "3", "s", "z""#, v)).map_err(serde::de::Error::custom) +impl<'de> Deserialize<'de> for RustOptimize { + fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> + where + D: Deserializer<'de>, + { + deserializer.deserialize_any(OptimizeVisitor) + } +} + +struct OptimizeVisitor; + +impl<'de> serde::de::Visitor<'de> for OptimizeVisitor { + type Value = RustOptimize; + + fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + formatter.write_str(r#"one of: 0, 1, 2, 3, "s", "z", true, false"#) + } + + fn visit_str<E>(self, value: &str) -> Result<Self::Value, E> + where + E: serde::de::Error, + { + if ["s", "z"].iter().find(|x| **x == value).is_some() { + Ok(RustOptimize::String(value.to_string())) + } else { + Err(format_optimize_error_msg(value)).map_err(serde::de::Error::custom) + } + } + + fn visit_i64<E>(self, value: i64) -> Result<Self::Value, E> + where + E: serde::de::Error, + { + if matches!(value, 0..=3) { + Ok(RustOptimize::Int(value as u8)) + } else { + Err(format_optimize_error_msg(value)).map_err(serde::de::Error::custom) + } + } + + fn visit_bool<E>(self, value: bool) -> Result<Self::Value, E> + where + E: serde::de::Error, + { + Ok(RustOptimize::Bool(value)) } } +fn format_optimize_error_msg(v: impl std::fmt::Display) -> String { + format!( + r#"unrecognized option for rust optimize: "{}", expected one of 0, 1, 2, 3, "s", "z", true, false"#, + v + ) +} + impl RustOptimize { pub(crate) fn is_release(&self) -> bool { - if let RustOptimize::Bool(true) | RustOptimize::String(_) = &self { true } else { false } + match &self { + RustOptimize::Bool(true) | RustOptimize::String(_) => true, + RustOptimize::Int(i) => *i > 0, + RustOptimize::Bool(false) => false, + } } pub(crate) fn get_opt_level(&self) -> Option<String> { match &self { RustOptimize::String(s) => Some(s.clone()), + RustOptimize::Int(i) => Some(i.to_string()), RustOptimize::Bool(_) => None, } } diff --git a/src/bootstrap/config/tests.rs b/src/bootstrap/config/tests.rs index 732df54cdac..c340bb2982a 100644 --- a/src/bootstrap/config/tests.rs +++ b/src/bootstrap/config/tests.rs @@ -184,7 +184,10 @@ fn rust_optimize() { assert_eq!(parse("").rust_optimize.is_release(), true); assert_eq!(parse("rust.optimize = false").rust_optimize.is_release(), false); assert_eq!(parse("rust.optimize = true").rust_optimize.is_release(), true); - assert_eq!(parse("rust.optimize = \"1\"").rust_optimize.get_opt_level(), Some("1".to_string())); + assert_eq!(parse("rust.optimize = 0").rust_optimize.is_release(), false); + assert_eq!(parse("rust.optimize = 1").rust_optimize.is_release(), true); + assert_eq!(parse("rust.optimize = 1").rust_optimize.get_opt_level(), Some("1".to_string())); + assert_eq!(parse("rust.optimize = \"s\"").rust_optimize.is_release(), true); assert_eq!(parse("rust.optimize = \"s\"").rust_optimize.get_opt_level(), Some("s".to_string())); } diff --git a/src/bootstrap/download-ci-llvm-stamp b/src/bootstrap/download-ci-llvm-stamp index 4111b7cc0d3..120b3c9c4d2 100644 --- a/src/bootstrap/download-ci-llvm-stamp +++ b/src/bootstrap/download-ci-llvm-stamp @@ -1,4 +1,4 @@ Change this file to make users of the `download-ci-llvm` configuration download a new version of LLVM from CI, even if the LLVM submodule hasn’t changed. -Last change is for: https://github.com/rust-lang/rust/pull/96971 +Last change is for: https://github.com/rust-lang/rust/pull/112931 diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs index c4916a21c0f..7e27960f3e9 100644 --- a/src/bootstrap/llvm.rs +++ b/src/bootstrap/llvm.rs @@ -352,7 +352,7 @@ impl Step for Llvm { // Disable zstd to avoid a dependency on libzstd.so. cfg.define("LLVM_ENABLE_ZSTD", "OFF"); - if target != "aarch64-apple-darwin" && !target.contains("windows") { + if !target.contains("windows") { cfg.define("LLVM_ENABLE_ZLIB", "ON"); } else { cfg.define("LLVM_ENABLE_ZLIB", "OFF"); diff --git a/src/bootstrap/metrics.rs b/src/bootstrap/metrics.rs index 5990f33b9bc..b73df7fe822 100644 --- a/src/bootstrap/metrics.rs +++ b/src/bootstrap/metrics.rs @@ -7,7 +7,10 @@ use crate::builder::{Builder, Step}; use crate::util::t; use crate::Build; -use serde_derive::{Deserialize, Serialize}; +use build_helper::metrics::{ + JsonInvocation, JsonInvocationSystemStats, JsonNode, JsonRoot, JsonStepSystemStats, Test, + TestOutcome, TestSuite, TestSuiteMetadata, +}; use std::cell::RefCell; use std::fs::File; use std::io::BufWriter; @@ -241,98 +244,7 @@ struct StepMetrics { test_suites: Vec<TestSuite>, } -#[derive(Serialize, Deserialize)] -#[serde(rename_all = "snake_case")] -struct JsonRoot { - #[serde(default)] // For version 0 the field was not present. - format_version: usize, - system_stats: JsonInvocationSystemStats, - invocations: Vec<JsonInvocation>, -} - -#[derive(Serialize, Deserialize)] -#[serde(rename_all = "snake_case")] -struct JsonInvocation { - // Unix timestamp in seconds - // - // This is necessary to easily correlate this invocation with logs or other data. - start_time: u64, - duration_including_children_sec: f64, - children: Vec<JsonNode>, -} - -#[derive(Serialize, Deserialize)] -#[serde(tag = "kind", rename_all = "snake_case")] -enum JsonNode { - RustbuildStep { - #[serde(rename = "type")] - type_: String, - debug_repr: String, - - duration_excluding_children_sec: f64, - system_stats: JsonStepSystemStats, - - children: Vec<JsonNode>, - }, - TestSuite(TestSuite), -} - -#[derive(Serialize, Deserialize)] -struct TestSuite { - metadata: TestSuiteMetadata, - tests: Vec<Test>, -} - -#[derive(Serialize, Deserialize)] -#[serde(tag = "kind", rename_all = "snake_case")] -pub(crate) enum TestSuiteMetadata { - CargoPackage { - crates: Vec<String>, - target: String, - host: String, - stage: u32, - }, - Compiletest { - suite: String, - mode: String, - compare_mode: Option<String>, - target: String, - host: String, - stage: u32, - }, -} - -#[derive(Serialize, Deserialize)] -pub(crate) struct Test { - name: String, - #[serde(flatten)] - outcome: TestOutcome, -} - -#[derive(Serialize, Deserialize)] -#[serde(tag = "outcome", rename_all = "snake_case")] -pub(crate) enum TestOutcome { - Passed, - Failed, - Ignored { ignore_reason: Option<String> }, -} - -#[derive(Serialize, Deserialize)] -#[serde(rename_all = "snake_case")] -struct JsonInvocationSystemStats { - cpu_threads_count: usize, - cpu_model: String, - - memory_total_bytes: u64, -} - -#[derive(Serialize, Deserialize)] -#[serde(rename_all = "snake_case")] -struct JsonStepSystemStats { - cpu_utilization_percent: f64, -} - -#[derive(Deserialize)] +#[derive(serde_derive::Deserialize)] struct OnlyFormatVersion { #[serde(default)] // For version 0 the field was not present. format_version: usize, diff --git a/src/bootstrap/render_tests.rs b/src/bootstrap/render_tests.rs index 98a468c883d..ccd067053ef 100644 --- a/src/bootstrap/render_tests.rs +++ b/src/bootstrap/render_tests.rs @@ -141,9 +141,9 @@ impl<'a> Renderer<'a> { self.builder.metrics.record_test( &test.name, match outcome { - Outcome::Ok | Outcome::BenchOk => crate::metrics::TestOutcome::Passed, - Outcome::Failed => crate::metrics::TestOutcome::Failed, - Outcome::Ignored { reason } => crate::metrics::TestOutcome::Ignored { + Outcome::Ok | Outcome::BenchOk => build_helper::metrics::TestOutcome::Passed, + Outcome::Failed => build_helper::metrics::TestOutcome::Failed, + Outcome::Ignored { reason } => build_helper::metrics::TestOutcome::Ignored { ignore_reason: reason.map(|s| s.to_string()), }, }, diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index e4cc88c64a5..0907291b54d 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -340,7 +340,7 @@ impl Step for Cargo { #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( - crate::metrics::TestSuiteMetadata::CargoPackage { + build_helper::metrics::TestSuiteMetadata::CargoPackage { crates: vec!["cargo".into()], target: self.host.triple.to_string(), host: self.host.triple.to_string(), @@ -799,6 +799,10 @@ impl Step for Clippy { // The tests succeeded; nothing to do. return; } + + if !builder.config.cmd.bless() { + crate::detail_exit_macro!(1); + } } } @@ -1823,7 +1827,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( - crate::metrics::TestSuiteMetadata::Compiletest { + build_helper::metrics::TestSuiteMetadata::Compiletest { suite: suite.into(), mode: mode.into(), compare_mode: None, @@ -1848,7 +1852,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( - crate::metrics::TestSuiteMetadata::Compiletest { + build_helper::metrics::TestSuiteMetadata::Compiletest { suite: suite.into(), mode: mode.into(), compare_mode: Some(compare_mode.into()), @@ -2196,7 +2200,7 @@ fn run_cargo_test( #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( - crate::metrics::TestSuiteMetadata::CargoPackage { + build_helper::metrics::TestSuiteMetadata::CargoPackage { crates: crates.iter().map(|c| c.to_string()).collect(), target: target.triple.to_string(), host: compiler.host.triple.to_string(), diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs index 06c03178862..915dceae389 100644 --- a/src/bootstrap/tool.rs +++ b/src/bootstrap/tool.rs @@ -303,6 +303,7 @@ bootstrap_tool!( SuggestTests, "src/tools/suggest-tests", "suggest-tests"; GenerateWindowsSys, "src/tools/generate-windows-sys", "generate-windows-sys"; RustdocGUITest, "src/tools/rustdoc-gui-test", "rustdoc-gui-test", is_unstable_tool = true, allow_features = "test"; + OptimizedDist, "src/tools/opt-dist", "opt-dist"; ); #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)] diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index c2fd2e3a91a..1fcb99f6d5f 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -54,7 +54,8 @@ COPY host-x86_64/dist-x86_64-linux/build-clang.sh /tmp/ RUN ./build-clang.sh ENV CC=clang CXX=clang++ -# rustc-perf version from 2023-03-15 +# rustc-perf version from 2023-05-30 +# Should also be changed in the opt-dist tool for other environments. ENV PERF_COMMIT 8b2ac3042e1ff2c0074455a0a3618adef97156b1 RUN curl -LS -o perf.zip https://github.com/rust-lang/rustc-perf/archive/$PERF_COMMIT.zip && \ unzip perf.zip && \ @@ -81,7 +82,9 @@ ENV RUST_CONFIGURE_ARGS \ --set rust.jemalloc \ --set rust.use-lld=true \ --set rust.lto=thin -ENV SCRIPT python3 ../src/ci/stage-build.py python3 ../x.py dist \ + +ENV SCRIPT python3 ../x.py build --set rust.debug=true opt-dist && \ + ./build/$HOSTS/stage0-tools-bin/opt-dist python3 ../x.py dist \ --host $HOSTS --target $HOSTS \ --include-default-paths \ build-manifest bootstrap diff --git a/src/ci/docker/host-x86_64/test-various/Dockerfile b/src/ci/docker/host-x86_64/test-various/Dockerfile index 1dc7b798724..a1d06ab1844 100644 --- a/src/ci/docker/host-x86_64/test-various/Dockerfile +++ b/src/ci/docker/host-x86_64/test-various/Dockerfile @@ -24,7 +24,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins qemu-system-x86 \ && rm -rf /var/lib/apt/lists/* -RUN curl -sL https://nodejs.org/dist/v15.14.0/node-v15.14.0-linux-x64.tar.xz | \ +RUN curl -sL https://nodejs.org/dist/v18.12.0/node-v18.12.0-linux-x64.tar.xz | \ tar -xJ # Install 32-bit OVMF files for the i686-unknown-uefi test. This package @@ -42,7 +42,7 @@ RUN sh /scripts/sccache.sh ENV RUST_CONFIGURE_ARGS \ --musl-root-x86_64=/usr/local/x86_64-linux-musl \ - --set build.nodejs=/node-v15.14.0-linux-x64/bin/node \ + --set build.nodejs=/node-v18.12.0-linux-x64/bin/node \ --set rust.lld # Some run-make tests have assertions about code size, and enabling debug @@ -58,6 +58,8 @@ ENV WASM_SCRIPT python3 /checkout/x.py --stage 2 test --host='' --target $WASM_T tests/ui \ tests/mir-opt \ tests/codegen-units \ + tests/codegen \ + tests/assembly \ library/core ENV NVPTX_TARGETS=nvptx64-nvidia-cuda diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml index 24fc72e660a..b5b478e60f4 100644 --- a/src/ci/github-actions/ci.yml +++ b/src/ci/github-actions/ci.yml @@ -302,7 +302,7 @@ concurrency: # For a given workflow, if we push to the same branch, cancel all previous builds on that branch. # We add an exception for try builds (try branch) and unrolled rollup builds (try-perf), which # are all triggered on the same branch, but which should be able to run concurrently. - group: ${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }} + group: ${{ github.workflow }}-${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }} cancel-in-progress: true jobs: @@ -643,7 +643,7 @@ jobs: --target=x86_64-pc-windows-msvc --enable-full-tools --enable-profiler - SCRIPT: PGO_HOST=x86_64-pc-windows-msvc python src/ci/stage-build.py python x.py dist bootstrap --include-default-paths + SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 <<: *job-windows-8c diff --git a/src/ci/stage-build.py b/src/ci/stage-build.py deleted file mode 100755 index 8640a3e0f34..00000000000 --- a/src/ci/stage-build.py +++ /dev/null @@ -1,1035 +0,0 @@ -#!/usr/bin/env python3 -# ignore-tidy-linelength - -# Compatible with Python 3.6+ - -import contextlib -import getpass -import glob -import json -import logging -import os -import pprint -import shutil -import subprocess -import sys -import time -import traceback -import urllib.request -from io import StringIO -from pathlib import Path -from typing import Callable, ContextManager, Dict, Iterable, Iterator, List, Optional, \ - Tuple, Union - -PGO_HOST = os.environ["PGO_HOST"] - -LOGGER = logging.getLogger("stage-build") - -LLVM_PGO_CRATES = [ - "syn-1.0.89", - "cargo-0.60.0", - "serde-1.0.136", - "ripgrep-13.0.0", - "regex-1.5.5", - "clap-3.1.6", - "hyper-0.14.18" -] - -RUSTC_PGO_CRATES = [ - "externs", - "ctfe-stress-5", - "cargo-0.60.0", - "token-stream-stress", - "match-stress", - "tuple-stress", - "diesel-1.4.8", - "bitmaps-3.1.0" -] - -LLVM_BOLT_CRATES = LLVM_PGO_CRATES - - -def is_try_build() -> bool: - return os.environ.get("DIST_TRY_BUILD", "0") != "0" - - -class Pipeline: - # Paths - def checkout_path(self) -> Path: - """ - The root checkout, where the source is located. - """ - raise NotImplementedError - - def downloaded_llvm_dir(self) -> Path: - """ - Directory where the host LLVM is located. - """ - raise NotImplementedError - - def build_root(self) -> Path: - """ - The main directory where the build occurs. - """ - raise NotImplementedError - - def build_artifacts(self) -> Path: - return self.build_root() / "build" / PGO_HOST - - def rustc_stage_0(self) -> Path: - return self.build_artifacts() / "stage0" / "bin" / "rustc" - - def cargo_stage_0(self) -> Path: - return self.build_artifacts() / "stage0" / "bin" / "cargo" - - def rustc_stage_2(self) -> Path: - return self.build_artifacts() / "stage2" / "bin" / "rustc" - - def opt_artifacts(self) -> Path: - raise NotImplementedError - - def llvm_profile_dir_root(self) -> Path: - return self.opt_artifacts() / "llvm-pgo" - - def llvm_profile_merged_file(self) -> Path: - return self.opt_artifacts() / "llvm-pgo.profdata" - - def rustc_perf_dir(self) -> Path: - return self.opt_artifacts() / "rustc-perf" - - def build_rustc_perf(self): - raise NotImplementedError() - - def rustc_profile_dir_root(self) -> Path: - return self.opt_artifacts() / "rustc-pgo" - - def rustc_profile_merged_file(self) -> Path: - return self.opt_artifacts() / "rustc-pgo.profdata" - - def rustc_profile_template_path(self) -> Path: - """ - The profile data is written into a single filepath that is being repeatedly merged when each - rustc invocation ends. Empirically, this can result in some profiling data being lost. That's - why we override the profile path to include the PID. This will produce many more profiling - files, but the resulting profile will produce a slightly faster rustc binary. - """ - return self.rustc_profile_dir_root() / "default_%m_%p.profraw" - - def supports_bolt(self) -> bool: - raise NotImplementedError - - def llvm_bolt_profile_merged_file(self) -> Path: - return self.opt_artifacts() / "bolt.profdata" - - def metrics_path(self) -> Path: - return self.build_root() / "build" / "metrics.json" - - def executable_extension(self) -> str: - raise NotImplementedError - - def skipped_tests(self) -> Iterable[str]: - return () - - -class LinuxPipeline(Pipeline): - def checkout_path(self) -> Path: - return Path("/checkout") - - def downloaded_llvm_dir(self) -> Path: - return Path("/rustroot") - - def build_root(self) -> Path: - return self.checkout_path() / "obj" - - def opt_artifacts(self) -> Path: - return Path("/tmp/tmp-multistage/opt-artifacts") - - def build_rustc_perf(self): - # /tmp/rustc-perf comes from the Dockerfile - shutil.copytree("/tmp/rustc-perf", self.rustc_perf_dir()) - cmd(["chown", "-R", f"{getpass.getuser()}:", self.rustc_perf_dir()]) - - with change_cwd(self.rustc_perf_dir()): - cmd([self.cargo_stage_0(), "build", "-p", "collector"], env=dict( - RUSTC=str(self.rustc_stage_0()), - RUSTC_BOOTSTRAP="1" - )) - - def supports_bolt(self) -> bool: - return True - - def executable_extension(self) -> str: - return "" - - def skipped_tests(self) -> Iterable[str]: - # This test fails because of linker errors, as of June 2023. - yield "tests/ui/process/nofile-limit.rs" - - -class WindowsPipeline(Pipeline): - def __init__(self): - self.checkout_dir = Path(os.getcwd()) - - def checkout_path(self) -> Path: - return self.checkout_dir - - def downloaded_llvm_dir(self) -> Path: - return self.checkout_path() / "citools" / "clang-rust" - - def build_root(self) -> Path: - return self.checkout_path() - - def opt_artifacts(self) -> Path: - return self.checkout_path() / "opt-artifacts" - - def rustc_stage_0(self) -> Path: - return super().rustc_stage_0().with_suffix(".exe") - - def cargo_stage_0(self) -> Path: - return super().cargo_stage_0().with_suffix(".exe") - - def rustc_stage_2(self) -> Path: - return super().rustc_stage_2().with_suffix(".exe") - - def build_rustc_perf(self): - # rustc-perf version from 2023-03-15 - perf_commit = "8b2ac3042e1ff2c0074455a0a3618adef97156b1" - rustc_perf_zip_path = self.opt_artifacts() / "perf.zip" - - def download_rustc_perf(): - download_file( - f"https://github.com/rust-lang/rustc-perf/archive/{perf_commit}.zip", - rustc_perf_zip_path - ) - with change_cwd(self.opt_artifacts()): - unpack_archive(rustc_perf_zip_path) - move_path(Path(f"rustc-perf-{perf_commit}"), self.rustc_perf_dir()) - delete_file(rustc_perf_zip_path) - - retry_action(download_rustc_perf, "Download rustc-perf") - - with change_cwd(self.rustc_perf_dir()): - cmd([self.cargo_stage_0(), "build", "-p", "collector"], env=dict( - RUSTC=str(self.rustc_stage_0()), - RUSTC_BOOTSTRAP="1" - )) - - def rustc_profile_template_path(self) -> Path: - """ - On Windows, we don't have enough space to use separate files for each rustc invocation. - Therefore, we use a single file for the generated profiles. - """ - return self.rustc_profile_dir_root() / "default_%m.profraw" - - def supports_bolt(self) -> bool: - return False - - def executable_extension(self) -> str: - return ".exe" - - def skipped_tests(self) -> Iterable[str]: - # This test fails as of June 2023 - yield "tests\\codegen\\vec-shrink-panik.rs" - - -def get_timestamp() -> float: - return time.time() - - -Duration = float - - -def iterate_timers(timer: "Timer", name: str, level: int = 0) -> Iterator[ - Tuple[int, str, Duration]]: - """ - Hierarchically iterate the children of a timer, in a depth-first order. - """ - yield (level, name, timer.total_duration()) - for (child_name, child_timer) in timer.children: - yield from iterate_timers(child_timer, child_name, level=level + 1) - - -class Timer: - def __init__(self, parent_names: Tuple[str, ...] = ()): - self.children: List[Tuple[str, Timer]] = [] - self.section_active = False - self.parent_names = parent_names - self.duration_excluding_children: Duration = 0 - - @contextlib.contextmanager - def section(self, name: str) -> ContextManager["Timer"]: - assert not self.section_active - self.section_active = True - - start = get_timestamp() - exc = None - - child_timer = Timer(parent_names=self.parent_names + (name,)) - full_name = " > ".join(child_timer.parent_names) - try: - LOGGER.info(f"Section `{full_name}` starts") - yield child_timer - except BaseException as exception: - exc = exception - raise - finally: - end = get_timestamp() - duration = end - start - - child_timer.duration_excluding_children = duration - child_timer.total_duration() - self.add_child(name, child_timer) - if exc is None: - LOGGER.info(f"Section `{full_name}` ended: OK ({duration:.2f}s)") - else: - LOGGER.info(f"Section `{full_name}` ended: FAIL ({duration:.2f}s)") - self.section_active = False - - def total_duration(self) -> Duration: - return self.duration_excluding_children + sum( - c.total_duration() for (_, c) in self.children) - - def has_children(self) -> bool: - return len(self.children) > 0 - - def print_stats(self): - rows = [] - for (child_name, child_timer) in self.children: - for (level, name, duration) in iterate_timers(child_timer, child_name, level=0): - label = f"{' ' * level}{name}:" - rows.append((label, duration)) - - # Empty row - rows.append(("", "")) - - total_duration_label = "Total duration:" - total_duration = self.total_duration() - rows.append((total_duration_label, humantime(total_duration))) - - space_after_label = 2 - max_label_length = max(16, max(len(label) for (label, _) in rows)) + space_after_label - - table_width = max_label_length + 23 - divider = "-" * table_width - - with StringIO() as output: - print(divider, file=output) - for (label, duration) in rows: - if isinstance(duration, Duration): - pct = (duration / total_duration) * 100 - value = f"{duration:>12.2f}s ({pct:>5.2f}%)" - else: - value = f"{duration:>{len(total_duration_label) + 7}}" - print(f"{label:<{max_label_length}} {value}", file=output) - print(divider, file=output, end="") - LOGGER.info(f"Timer results\n{output.getvalue()}") - - def add_child(self, name: str, timer: "Timer"): - self.children.append((name, timer)) - - def add_duration(self, name: str, duration: Duration): - timer = Timer(parent_names=self.parent_names + (name,)) - timer.duration_excluding_children = duration - self.add_child(name, timer) - - -class BuildStep: - def __init__(self, type: str, children: List["BuildStep"], duration: float): - self.type = type - self.children = children - self.duration = duration - - def find_all_by_type(self, type: str) -> Iterator["BuildStep"]: - if type == self.type: - yield self - for child in self.children: - yield from child.find_all_by_type(type) - - def __repr__(self): - return f"BuildStep(type={self.type}, duration={self.duration}, children={len(self.children)})" - - -def load_last_metrics(path: Path) -> BuildStep: - """ - Loads the metrics of the most recent bootstrap execution from a metrics.json file. - """ - with open(path, "r") as f: - metrics = json.load(f) - invocation = metrics["invocations"][-1] - - def parse(entry) -> Optional[BuildStep]: - if "kind" not in entry or entry["kind"] != "rustbuild_step": - return None - type = entry.get("type", "") - duration = entry.get("duration_excluding_children_sec", 0) - children = [] - - for child in entry.get("children", ()): - step = parse(child) - if step is not None: - children.append(step) - duration += step.duration - return BuildStep(type=type, children=children, duration=duration) - - children = [parse(child) for child in invocation.get("children", ())] - return BuildStep( - type="root", - children=children, - duration=invocation.get("duration_including_children_sec", 0) - ) - - -@contextlib.contextmanager -def change_cwd(dir: Path): - """ - Temporarily change working directory to `dir`. - """ - cwd = os.getcwd() - LOGGER.debug(f"Changing working dir from `{cwd}` to `{dir}`") - os.chdir(dir) - try: - yield - finally: - LOGGER.debug(f"Reverting working dir to `{cwd}`") - os.chdir(cwd) - - -def humantime(time_s: float) -> str: - hours = time_s // 3600 - time_s = time_s % 3600 - minutes = time_s // 60 - seconds = time_s % 60 - - result = "" - if hours > 0: - result += f"{int(hours)}h " - if minutes > 0: - result += f"{int(minutes)}m " - result += f"{round(seconds)}s" - return result - - -def move_path(src: Path, dst: Path): - LOGGER.info(f"Moving `{src}` to `{dst}`") - shutil.move(src, dst) - - -def delete_file(path: Path): - LOGGER.info(f"Deleting file `{path}`") - os.unlink(path) - - -def delete_directory(path: Path): - LOGGER.info(f"Deleting directory `{path}`") - shutil.rmtree(path) - - -def unpack_archive(archive: Path, target_dir: Optional[Path] = None): - LOGGER.info(f"Unpacking archive `{archive}`") - shutil.unpack_archive(str(archive), extract_dir=str(target_dir) if target_dir is not None else None) - - -def download_file(src: str, target: Path): - LOGGER.info(f"Downloading `{src}` into `{target}`") - urllib.request.urlretrieve(src, str(target)) - - -def retry_action(action, name: str, max_fails: int = 5): - LOGGER.info(f"Attempting to perform action `{name}` with retry") - for iteration in range(max_fails): - LOGGER.info(f"Attempt {iteration + 1}/{max_fails}") - try: - action() - return - except BaseException: # also catch ctrl+c/sysexit - LOGGER.error(f"Action `{name}` has failed\n{traceback.format_exc()}") - - raise Exception(f"Action `{name}` has failed after {max_fails} attempts") - - -def cmd( - args: List[Union[str, Path]], - env: Optional[Dict[str, str]] = None, - output_path: Optional[Path] = None -): - args = [str(arg) for arg in args] - - environment = os.environ.copy() - - cmd_str = "" - if env is not None: - environment.update(env) - cmd_str += " ".join(f"{k}={v}" for (k, v) in (env or {}).items()) - cmd_str += " " - cmd_str += " ".join(args) - if output_path is not None: - cmd_str += f" > {output_path}" - LOGGER.info(f"Executing `{cmd_str}`") - - if output_path is not None: - with open(output_path, "w") as f: - return subprocess.run( - args, - env=environment, - check=True, - stdout=f - ) - return subprocess.run(args, env=environment, check=True) - - -class BenchmarkRunner: - def run_rustc(self, pipeline: Pipeline): - raise NotImplementedError - - def run_llvm(self, pipeline: Pipeline): - raise NotImplementedError - - def run_bolt(self, pipeline: Pipeline): - raise NotImplementedError - - -class DefaultBenchmarkRunner(BenchmarkRunner): - def run_rustc(self, pipeline: Pipeline): - # Here we're profiling the `rustc` frontend, so we also include `Check`. - # The benchmark set includes various stress tests that put the frontend under pressure. - run_compiler_benchmarks( - pipeline, - profiles=["Check", "Debug", "Opt"], - scenarios=["All"], - crates=RUSTC_PGO_CRATES, - env=dict( - LLVM_PROFILE_FILE=str(pipeline.rustc_profile_template_path()) - ) - ) - - def run_llvm(self, pipeline: Pipeline): - run_compiler_benchmarks( - pipeline, - profiles=["Debug", "Opt"], - scenarios=["Full"], - crates=LLVM_PGO_CRATES - ) - - def run_bolt(self, pipeline: Pipeline): - run_compiler_benchmarks( - pipeline, - profiles=["Check", "Debug", "Opt"], - scenarios=["Full"], - crates=LLVM_BOLT_CRATES - ) - - -def run_compiler_benchmarks( - pipeline: Pipeline, - profiles: List[str], - scenarios: List[str], - crates: List[str], - env: Optional[Dict[str, str]] = None -): - env = env if env is not None else {} - - # Compile libcore, both in opt-level=0 and opt-level=3 - with change_cwd(pipeline.build_root()): - cmd([ - pipeline.rustc_stage_2(), - "--edition", "2021", - "--crate-type", "lib", - str(pipeline.checkout_path() / "library/core/src/lib.rs"), - "--out-dir", pipeline.opt_artifacts() - ], env=dict(RUSTC_BOOTSTRAP="1", **env)) - - cmd([ - pipeline.rustc_stage_2(), - "--edition", "2021", - "--crate-type", "lib", - "-Copt-level=3", - str(pipeline.checkout_path() / "library/core/src/lib.rs"), - "--out-dir", pipeline.opt_artifacts() - ], env=dict(RUSTC_BOOTSTRAP="1", **env)) - - # Run rustc-perf benchmarks - # Benchmark using profile_local with eprintln, which essentially just means - # don't actually benchmark -- just make sure we run rustc a bunch of times. - with change_cwd(pipeline.rustc_perf_dir()): - cmd([ - pipeline.cargo_stage_0(), - "run", - "-p", "collector", "--bin", "collector", "--", - "profile_local", "eprintln", - pipeline.rustc_stage_2(), - "--id", "Test", - "--cargo", pipeline.cargo_stage_0(), - "--profiles", ",".join(profiles), - "--scenarios", ",".join(scenarios), - "--include", ",".join(crates) - ], env=dict( - RUST_LOG="collector=debug", - RUSTC=str(pipeline.rustc_stage_0()), - RUSTC_BOOTSTRAP="1", - **env - )) - - -# https://stackoverflow.com/a/31631711/1107768 -def format_bytes(size: int) -> str: - """Return the given bytes as a human friendly KiB, MiB or GiB string.""" - KB = 1024 - MB = KB ** 2 # 1,048,576 - GB = KB ** 3 # 1,073,741,824 - TB = KB ** 4 # 1,099,511,627,776 - - if size < KB: - return f"{size} B" - elif KB <= size < MB: - return f"{size / KB:.2f} KiB" - elif MB <= size < GB: - return f"{size / MB:.2f} MiB" - elif GB <= size < TB: - return f"{size / GB:.2f} GiB" - else: - return str(size) - - -# https://stackoverflow.com/a/63307131/1107768 -def count_files(path: Path) -> int: - return sum(1 for p in path.rglob("*") if p.is_file()) - - -def count_files_with_prefix(path: Path) -> int: - return sum(1 for p in glob.glob(f"{path}*") if Path(p).is_file()) - - -# https://stackoverflow.com/a/55659577/1107768 -def get_path_size(path: Path) -> int: - if path.is_dir(): - return sum(p.stat().st_size for p in path.rglob("*")) - return path.stat().st_size - - -def get_path_prefix_size(path: Path) -> int: - """ - Get size of all files beginning with the prefix `path`. - Alternative to shell `du -sh <path>*`. - """ - return sum(Path(p).stat().st_size for p in glob.glob(f"{path}*")) - - -def get_files(directory: Path, filter: Optional[Callable[[Path], bool]] = None) -> Iterable[Path]: - for file in os.listdir(directory): - path = directory / file - if filter is None or filter(path): - yield path - - -def bootstrap_build( - pipeline: Pipeline, - args: List[str], - env: Optional[Dict[str, str]] = None, - targets: Iterable[str] = ("library/std", ) -): - if env is None: - env = {} - else: - env = dict(env) - env["RUST_BACKTRACE"] = "1" - arguments = [ - sys.executable, - pipeline.checkout_path() / "x.py", - "build", - "--target", PGO_HOST, - "--host", PGO_HOST, - "--stage", "2", - ] + list(targets) + args - cmd(arguments, env=env) - - -def create_pipeline() -> Pipeline: - if sys.platform == "linux": - return LinuxPipeline() - elif sys.platform in ("cygwin", "win32"): - return WindowsPipeline() - else: - raise Exception(f"Optimized build is not supported for platform {sys.platform}") - - -def gather_llvm_profiles(pipeline: Pipeline, runner: BenchmarkRunner): - LOGGER.info("Running benchmarks with PGO instrumented LLVM") - - runner.run_llvm(pipeline) - - profile_path = pipeline.llvm_profile_merged_file() - LOGGER.info(f"Merging LLVM PGO profiles to {profile_path}") - cmd([ - pipeline.downloaded_llvm_dir() / "bin" / "llvm-profdata", - "merge", - "-o", profile_path, - pipeline.llvm_profile_dir_root() - ]) - - LOGGER.info("LLVM PGO statistics") - LOGGER.info(f"{profile_path}: {format_bytes(get_path_size(profile_path))}") - LOGGER.info( - f"{pipeline.llvm_profile_dir_root()}: {format_bytes(get_path_size(pipeline.llvm_profile_dir_root()))}") - LOGGER.info(f"Profile file count: {count_files(pipeline.llvm_profile_dir_root())}") - - # We don't need the individual .profraw files now that they have been merged - # into a final .profdata - delete_directory(pipeline.llvm_profile_dir_root()) - - -def gather_rustc_profiles(pipeline: Pipeline, runner: BenchmarkRunner): - LOGGER.info("Running benchmarks with PGO instrumented rustc") - - runner.run_rustc(pipeline) - - profile_path = pipeline.rustc_profile_merged_file() - LOGGER.info(f"Merging Rustc PGO profiles to {profile_path}") - cmd([ - pipeline.build_artifacts() / "llvm" / "bin" / "llvm-profdata", - "merge", - "-o", profile_path, - pipeline.rustc_profile_dir_root() - ]) - - LOGGER.info("Rustc PGO statistics") - LOGGER.info(f"{profile_path}: {format_bytes(get_path_size(profile_path))}") - LOGGER.info( - f"{pipeline.rustc_profile_dir_root()}: {format_bytes(get_path_size(pipeline.rustc_profile_dir_root()))}") - LOGGER.info(f"Profile file count: {count_files(pipeline.rustc_profile_dir_root())}") - - # We don't need the individual .profraw files now that they have been merged - # into a final .profdata - delete_directory(pipeline.rustc_profile_dir_root()) - - -def gather_llvm_bolt_profiles(pipeline: Pipeline, runner: BenchmarkRunner): - LOGGER.info("Running benchmarks with BOLT instrumented LLVM") - - runner.run_bolt(pipeline) - - merged_profile_path = pipeline.llvm_bolt_profile_merged_file() - profile_files_path = Path("/tmp/prof.fdata") - LOGGER.info(f"Merging LLVM BOLT profiles to {merged_profile_path}") - - profile_files = sorted(glob.glob(f"{profile_files_path}*")) - cmd([ - "merge-fdata", - *profile_files, - ], output_path=merged_profile_path) - - LOGGER.info("LLVM BOLT statistics") - LOGGER.info(f"{merged_profile_path}: {format_bytes(get_path_size(merged_profile_path))}") - LOGGER.info( - f"{profile_files_path}: {format_bytes(get_path_prefix_size(profile_files_path))}") - LOGGER.info(f"Profile file count: {count_files_with_prefix(profile_files_path)}") - - -def clear_llvm_files(pipeline: Pipeline): - """ - Rustbuild currently doesn't support rebuilding LLVM when PGO options - change (or any other llvm-related options); so just clear out the relevant - directories ourselves. - """ - LOGGER.info("Clearing LLVM build files") - delete_directory(pipeline.build_artifacts() / "llvm") - delete_directory(pipeline.build_artifacts() / "lld") - - -def print_binary_sizes(pipeline: Pipeline): - bin_dir = pipeline.build_artifacts() / "stage2" / "bin" - binaries = get_files(bin_dir) - - lib_dir = pipeline.build_artifacts() / "stage2" / "lib" - libraries = get_files(lib_dir, lambda p: p.suffix == ".so") - - paths = sorted(binaries) + sorted(libraries) - with StringIO() as output: - for path in paths: - path_str = f"{path.name}:" - print(f"{path_str:<50}{format_bytes(path.stat().st_size):>14}", file=output) - LOGGER.info(f"Rustc binary size\n{output.getvalue()}") - - -def print_free_disk_space(pipeline: Pipeline): - usage = shutil.disk_usage(pipeline.opt_artifacts()) - total = usage.total - used = usage.used - free = usage.free - - logging.info( - f"Free disk space: {format_bytes(free)} out of total {format_bytes(total)} ({(used / total) * 100:.2f}% used)") - - -def log_metrics(step: BuildStep): - substeps: List[Tuple[int, BuildStep]] = [] - - def visit(step: BuildStep, level: int): - substeps.append((level, step)) - for child in step.children: - visit(child, level=level + 1) - - visit(step, 0) - - output = StringIO() - for (level, step) in substeps: - label = f"{'.' * level}{step.type}" - print(f"{label:<65}{step.duration:>8.2f}s", file=output) - logging.info(f"Build step durations\n{output.getvalue()}") - - -def record_metrics(pipeline: Pipeline, timer: Timer): - metrics = load_last_metrics(pipeline.metrics_path()) - if metrics is None: - return - llvm_steps = tuple(metrics.find_all_by_type("bootstrap::llvm::Llvm")) - llvm_duration = sum(step.duration for step in llvm_steps) - - rustc_steps = tuple(metrics.find_all_by_type("bootstrap::compile::Rustc")) - rustc_duration = sum(step.duration for step in rustc_steps) - - # The LLVM step is part of the Rustc step - rustc_duration = max(0, rustc_duration - llvm_duration) - - if llvm_duration > 0: - timer.add_duration("LLVM", llvm_duration) - if rustc_duration > 0: - timer.add_duration("Rustc", rustc_duration) - - log_metrics(metrics) - - -def run_tests(pipeline: Pipeline): - """ - After `dist` is executed, we extract its archived components into a sysroot directory, - and then use that extracted rustc as a stage0 compiler. - Then we run a subset of tests using that compiler, to have a basic smoke test which checks - whether the optimization pipeline hasn't broken something. - """ - build_dir = pipeline.build_root() / "build" - dist_dir = build_dir / "dist" - - def extract_dist_dir(name: str) -> Path: - target_dir = build_dir / "optimized-dist" - target_dir.mkdir(parents=True, exist_ok=True) - unpack_archive(dist_dir / f"{name}.tar.xz", target_dir=target_dir) - extracted_path = target_dir / name - assert extracted_path.is_dir() - return extracted_path - - # Extract rustc, libstd, cargo and src archives to create the optimized sysroot - rustc_dir = extract_dist_dir(f"rustc-nightly-{PGO_HOST}") / "rustc" - libstd_dir = extract_dist_dir(f"rust-std-nightly-{PGO_HOST}") / f"rust-std-{PGO_HOST}" - cargo_dir = extract_dist_dir(f"cargo-nightly-{PGO_HOST}") / "cargo" - extracted_src_dir = extract_dist_dir("rust-src-nightly") / "rust-src" - - # We need to manually copy libstd to the extracted rustc sysroot - shutil.copytree( - libstd_dir / "lib" / "rustlib" / PGO_HOST / "lib", - rustc_dir / "lib" / "rustlib" / PGO_HOST / "lib" - ) - - # Extract sources - they aren't in the `rustc-nightly-{host}` tarball, so we need to manually copy libstd - # sources to the extracted sysroot. We need sources available so that `-Zsimulate-remapped-rust-src-base` - # works correctly. - shutil.copytree( - extracted_src_dir / "lib" / "rustlib" / "src", - rustc_dir / "lib" / "rustlib" / "src" - ) - - rustc_path = rustc_dir / "bin" / f"rustc{pipeline.executable_extension()}" - assert rustc_path.is_file() - cargo_path = cargo_dir / "bin" / f"cargo{pipeline.executable_extension()}" - assert cargo_path.is_file() - - # Specify path to a LLVM config so that LLVM is not rebuilt. - # It doesn't really matter which LLVM config we choose, because no sysroot will be compiled. - llvm_config = pipeline.build_artifacts() / "llvm" / "bin" / f"llvm-config{pipeline.executable_extension()}" - assert llvm_config.is_file() - - config_content = f"""profile = "user" -changelog-seen = 2 - -[build] -rustc = "{rustc_path.as_posix()}" -cargo = "{cargo_path.as_posix()}" - -[target.{PGO_HOST}] -llvm-config = "{llvm_config.as_posix()}" -""" - logging.info(f"Using following `config.toml` for running tests:\n{config_content}") - - # Simulate a stage 0 compiler with the extracted optimized dist artifacts. - with open("config.toml", "w") as f: - f.write(config_content) - - args = [ - sys.executable, - pipeline.checkout_path() / "x.py", - "test", - "--stage", "0", - "tests/assembly", - "tests/codegen", - "tests/codegen-units", - "tests/incremental", - "tests/mir-opt", - "tests/pretty", - "tests/run-pass-valgrind", - "tests/ui", - ] - for test_path in pipeline.skipped_tests(): - args.extend(["--exclude", test_path]) - cmd(args=args, env=dict( - COMPILETEST_FORCE_STAGE0="1" - )) - - -def execute_build_pipeline(timer: Timer, pipeline: Pipeline, runner: BenchmarkRunner, dist_build_args: List[str]): - # Clear and prepare tmp directory - shutil.rmtree(pipeline.opt_artifacts(), ignore_errors=True) - os.makedirs(pipeline.opt_artifacts(), exist_ok=True) - - pipeline.build_rustc_perf() - - """ - Stage 1: Build PGO instrumented rustc - - We use a normal build of LLVM, because gathering PGO profiles for LLVM and `rustc` at the same time - can cause issues. - """ - with timer.section("Stage 1 (rustc PGO)") as stage1: - with stage1.section("Build PGO instrumented rustc and LLVM") as rustc_pgo_instrument: - bootstrap_build(pipeline, args=[ - "--rust-profile-generate", - pipeline.rustc_profile_dir_root() - ]) - record_metrics(pipeline, rustc_pgo_instrument) - - with stage1.section("Gather profiles"): - gather_rustc_profiles(pipeline, runner) - print_free_disk_space(pipeline) - - with stage1.section("Build PGO optimized rustc") as rustc_pgo_use: - bootstrap_build(pipeline, args=[ - "--rust-profile-use", - pipeline.rustc_profile_merged_file() - ]) - record_metrics(pipeline, rustc_pgo_use) - dist_build_args += [ - "--rust-profile-use", - pipeline.rustc_profile_merged_file() - ] - - """ - Stage 2: Gather LLVM PGO profiles - """ - with timer.section("Stage 2 (LLVM PGO)") as stage2: - # Clear normal LLVM artifacts - clear_llvm_files(pipeline) - - with stage2.section("Build PGO instrumented LLVM") as llvm_pgo_instrument: - bootstrap_build(pipeline, args=[ - "--llvm-profile-generate", - # We want to keep the already built PGO-optimized `rustc`. - "--keep-stage", "0", - "--keep-stage", "1" - ], env=dict( - LLVM_PROFILE_DIR=str(pipeline.llvm_profile_dir_root() / "prof-%p") - )) - record_metrics(pipeline, llvm_pgo_instrument) - - with stage2.section("Gather profiles"): - gather_llvm_profiles(pipeline, runner) - - dist_build_args += [ - "--llvm-profile-use", - pipeline.llvm_profile_merged_file(), - ] - print_free_disk_space(pipeline) - - # Clear PGO-instrumented LLVM artifacts - clear_llvm_files(pipeline) - - """ - Stage 3: Build BOLT instrumented LLVM - - We build a PGO optimized LLVM in this step, then instrument it with BOLT and gather BOLT profiles. - Note that we don't remove LLVM artifacts after this step, so that they are reused in the final dist build. - BOLT instrumentation is performed "on-the-fly" when the LLVM library is copied to the sysroot of rustc, - therefore the LLVM artifacts on disk are not "tainted" with BOLT instrumentation and they can be reused. - """ - if pipeline.supports_bolt(): - with timer.section("Stage 3 (LLVM BOLT)") as stage3: - with stage3.section("Build BOLT instrumented LLVM") as llvm_bolt_instrument: - bootstrap_build(pipeline, args=[ - "--llvm-profile-use", - pipeline.llvm_profile_merged_file(), - "--llvm-bolt-profile-generate", - # We want to keep the already built PGO-optimized `rustc`. - "--keep-stage", "0", - "--keep-stage", "1" - ]) - record_metrics(pipeline, llvm_bolt_instrument) - - with stage3.section("Gather profiles"): - gather_llvm_bolt_profiles(pipeline, runner) - - dist_build_args += [ - "--llvm-bolt-profile-use", - pipeline.llvm_bolt_profile_merged_file() - ] - print_free_disk_space(pipeline) - - # We want to keep the already built PGO-optimized `rustc`. - dist_build_args += [ - "--keep-stage", "0", - "--keep-stage", "1" - ] - - """ - Final stage: Build PGO optimized rustc + PGO/BOLT optimized LLVM - """ - with timer.section("Final stage (dist build)") as final_stage: - cmd(dist_build_args) - record_metrics(pipeline, final_stage) - - # Try builds can be in various broken states, so we don't want to gatekeep them with tests - if not is_try_build(): - with timer.section("Run tests"): - run_tests(pipeline) - - -def run(runner: BenchmarkRunner): - logging.basicConfig( - level=logging.DEBUG, - format="%(name)s %(levelname)-4s: %(message)s", - ) - - LOGGER.info(f"Running multi-stage build using Python {sys.version}") - LOGGER.info(f"Environment values\n{pprint.pformat(dict(os.environ), indent=2)}") - - build_args = sys.argv[1:] - - # Skip components that are not needed for try builds to speed them up - if is_try_build(): - LOGGER.info("Skipping building of unimportant components for a try build") - for target in ("rust-docs", "rustc-docs", "rust-docs-json", "rust-analyzer", - "rustc-src", "clippy", "miri", "rustfmt"): - build_args.extend(["--exclude", target]) - - timer = Timer() - pipeline = create_pipeline() - - try: - execute_build_pipeline(timer, pipeline, runner, build_args) - except BaseException as e: - LOGGER.error("The multi-stage build has failed") - raise e - finally: - timer.print_stats() - print_free_disk_space(pipeline) - - print_binary_sizes(pipeline) - - -if __name__ == "__main__": - runner = DefaultBenchmarkRunner() - run(runner) diff --git a/src/doc/unstable-book/src/library-features/default-free-fn.md b/src/doc/unstable-book/src/library-features/default-free-fn.md deleted file mode 100644 index bafc9ac4d0d..00000000000 --- a/src/doc/unstable-book/src/library-features/default-free-fn.md +++ /dev/null @@ -1,47 +0,0 @@ -# `default_free_fn` - -The tracking issue for this feature is: [#73014] - -[#73014]: https://github.com/rust-lang/rust/issues/73014 - ------------------------- - -Adds a free `default()` function to the `std::default` module. This function -just forwards to [`Default::default()`], but may remove repetition of the word -"default" from the call site. - -[`Default::default()`]: ../../std/default/trait.Default.html#tymethod.default - -Here is an example: - -```rust -#![feature(default_free_fn)] -use std::default::default; - -#[derive(Default)] -struct AppConfig { - foo: FooConfig, - bar: BarConfig, -} - -#[derive(Default)] -struct FooConfig { - foo: i32, -} - -#[derive(Default)] -struct BarConfig { - bar: f32, - baz: u8, -} - -fn main() { - let options = AppConfig { - foo: default(), - bar: BarConfig { - bar: 10.1, - ..default() - }, - }; -} -``` diff --git a/src/tools/build_helper/Cargo.toml b/src/tools/build_helper/Cargo.toml index 99f6fea2ecf..66894e1abc4 100644 --- a/src/tools/build_helper/Cargo.toml +++ b/src/tools/build_helper/Cargo.toml @@ -6,3 +6,5 @@ edition = "2021" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] +serde = "1" +serde_derive = "1" diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs index 3fa970373b3..575f3677155 100644 --- a/src/tools/build_helper/src/lib.rs +++ b/src/tools/build_helper/src/lib.rs @@ -1,3 +1,4 @@ pub mod ci; pub mod git; +pub mod metrics; pub mod util; diff --git a/src/tools/build_helper/src/metrics.rs b/src/tools/build_helper/src/metrics.rs new file mode 100644 index 00000000000..2d0c66a8f33 --- /dev/null +++ b/src/tools/build_helper/src/metrics.rs @@ -0,0 +1,92 @@ +use serde_derive::{Deserialize, Serialize}; + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "snake_case")] +pub struct JsonRoot { + #[serde(default)] // For version 0 the field was not present. + pub format_version: usize, + pub system_stats: JsonInvocationSystemStats, + pub invocations: Vec<JsonInvocation>, +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "snake_case")] +pub struct JsonInvocation { + // Unix timestamp in seconds + // + // This is necessary to easily correlate this invocation with logs or other data. + pub start_time: u64, + pub duration_including_children_sec: f64, + pub children: Vec<JsonNode>, +} + +#[derive(Serialize, Deserialize)] +#[serde(tag = "kind", rename_all = "snake_case")] +pub enum JsonNode { + RustbuildStep { + #[serde(rename = "type")] + type_: String, + debug_repr: String, + + duration_excluding_children_sec: f64, + system_stats: JsonStepSystemStats, + + children: Vec<JsonNode>, + }, + TestSuite(TestSuite), +} + +#[derive(Serialize, Deserialize)] +pub struct TestSuite { + pub metadata: TestSuiteMetadata, + pub tests: Vec<Test>, +} + +#[derive(Serialize, Deserialize)] +#[serde(tag = "kind", rename_all = "snake_case")] +pub enum TestSuiteMetadata { + CargoPackage { + crates: Vec<String>, + target: String, + host: String, + stage: u32, + }, + Compiletest { + suite: String, + mode: String, + compare_mode: Option<String>, + target: String, + host: String, + stage: u32, + }, +} + +#[derive(Serialize, Deserialize)] +pub struct Test { + pub name: String, + #[serde(flatten)] + pub outcome: TestOutcome, +} + +#[derive(Serialize, Deserialize)] +#[serde(tag = "outcome", rename_all = "snake_case")] +pub enum TestOutcome { + Passed, + Failed, + Ignored { ignore_reason: Option<String> }, +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "snake_case")] +pub struct JsonInvocationSystemStats { + pub cpu_threads_count: usize, + pub cpu_model: String, + + pub memory_total_bytes: u64, +} + +#[derive(Serialize, Deserialize)] +#[serde(rename_all = "snake_case")] +pub struct JsonStepSystemStats { + pub cpu_utilization_percent: f64, +} diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 5b377cece0e0dd0af686cf53ce4637d5d85c2a1 +Subproject 45782b6b8afd1da042d45c2daeec9c0744f72cc diff --git a/src/tools/clippy/clippy_lints/src/derivable_impls.rs b/src/tools/clippy/clippy_lints/src/derivable_impls.rs index ec0ca50cfec..020ffe7f8fa 100644 --- a/src/tools/clippy/clippy_lints/src/derivable_impls.rs +++ b/src/tools/clippy/clippy_lints/src/derivable_impls.rs @@ -9,7 +9,7 @@ use rustc_hir::{ Body, Expr, ExprKind, GenericArg, Impl, ImplItemKind, Item, ItemKind, Node, PathSegment, QPath, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::adjustment::{Adjust, PointerCast}; +use rustc_middle::ty::adjustment::{Adjust, PointerCoercion}; use rustc_middle::ty::{self, Adt, AdtDef, SubstsRef, Ty, TypeckResults}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::sym; @@ -116,7 +116,7 @@ fn check_struct<'tcx>( let is_default_without_adjusts = |expr| { is_default_equivalent(cx, expr) && typeck_results.expr_adjustments(expr).iter().all(|adj| { - !matches!(adj.kind, Adjust::Pointer(PointerCast::Unsize) + !matches!(adj.kind, Adjust::Pointer(PointerCoercion::Unsize) if contains_trait_object(adj.target)) }) }; diff --git a/src/tools/clippy/clippy_lints/src/incorrect_impls.rs b/src/tools/clippy/clippy_lints/src/incorrect_impls.rs index 13cc0b23ba3..7b95116ee4e 100644 --- a/src/tools/clippy/clippy_lints/src/incorrect_impls.rs +++ b/src/tools/clippy/clippy_lints/src/incorrect_impls.rs @@ -82,7 +82,7 @@ impl LateLintPass<'_> for IncorrectImpls { cx, hir_ty_to_ty(cx.tcx, imp.self_ty), copy_def_id, - trait_impl.substs, + &[], ) { if impl_item.ident.name == sym::clone { diff --git a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs index 0d78c3048ba..eab725de17f 100644 --- a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs +++ b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs @@ -14,7 +14,7 @@ use rustc_hir as hir; use rustc_hir::intravisit::FnKind; use rustc_hir::{BindingAnnotation, Body, FnDecl, Impl, ItemKind, MutTy, Mutability, Node, PatKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::adjustment::{Adjust, PointerCast}; +use rustc_middle::ty::adjustment::{Adjust, PointerCoercion}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, RegionKind}; use rustc_session::{declare_tool_lint, impl_lint_pass}; @@ -195,7 +195,7 @@ impl<'tcx> PassByRefOrValue { .adjustments() .items() .flat_map(|(_, a)| a) - .any(|a| matches!(a.kind, Adjust::Pointer(PointerCast::UnsafeFnPointer))) + .any(|a| matches!(a.kind, Adjust::Pointer(PointerCoercion::UnsafeFnPointer))) { continue; } diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index c9938caefb0..fbf4ab2722e 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -16,7 +16,7 @@ use rustc_middle::mir::{ }; use rustc_middle::traits::{ImplSource, ObligationCause}; use rustc_middle::ty::subst::GenericArgKind; -use rustc_middle::ty::{self, adjustment::PointerCast, Ty, TyCtxt}; +use rustc_middle::ty::{self, adjustment::PointerCoercion, Ty, TyCtxt}; use rustc_middle::ty::{BoundConstness, TraitRef}; use rustc_semver::RustcVersion; use rustc_span::symbol::sym; @@ -119,18 +119,18 @@ fn check_rvalue<'tcx>( | CastKind::FloatToFloat | CastKind::FnPtrToPtr | CastKind::PtrToPtr - | CastKind::Pointer(PointerCast::MutToConstPointer | PointerCast::ArrayToPointer), + | CastKind::PointerCoercion(PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer), operand, _, ) => check_operand(tcx, operand, span, body), Rvalue::Cast( - CastKind::Pointer( - PointerCast::UnsafeFnPointer | PointerCast::ClosureFnPointer(_) | PointerCast::ReifyFnPointer, + CastKind::PointerCoercion( + PointerCoercion::UnsafeFnPointer | PointerCoercion::ClosureFnPointer(_) | PointerCoercion::ReifyFnPointer, ), _, _, ) => Err((span, "function pointer casts are not allowed in const fn".into())), - Rvalue::Cast(CastKind::Pointer(PointerCast::Unsize), op, cast_ty) => { + Rvalue::Cast(CastKind::PointerCoercion(PointerCoercion::Unsize), op, cast_ty) => { let pointee_ty = if let Some(deref_ty) = cast_ty.builtin_deref(true) { deref_ty.ty } else { diff --git a/src/tools/clippy/tests/ui/needless_raw_string.fixed b/src/tools/clippy/tests/ui/needless_raw_string.fixed index 6438e46977b..b36912efbb2 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string.fixed +++ b/src/tools/clippy/tests/ui/needless_raw_string.fixed @@ -10,7 +10,8 @@ fn main() { b"aaa"; br#""aaa""#; br#"\s"#; - c"aaa"; - cr#""aaa""#; - cr#"\s"#; + // currently disabled: https://github.com/rust-lang/rust/issues/113333 + // cr#"aaa"#; + // cr#""aaa""#; + // cr#"\s"#; } diff --git a/src/tools/clippy/tests/ui/needless_raw_string.rs b/src/tools/clippy/tests/ui/needless_raw_string.rs index f7ddc68265e..8f48e7dab2a 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string.rs +++ b/src/tools/clippy/tests/ui/needless_raw_string.rs @@ -10,7 +10,8 @@ fn main() { br#"aaa"#; br#""aaa""#; br#"\s"#; - cr#"aaa"#; - cr#""aaa""#; - cr#"\s"#; + // currently disabled: https://github.com/rust-lang/rust/issues/113333 + // cr#"aaa"#; + // cr#""aaa""#; + // cr#"\s"#; } diff --git a/src/tools/clippy/tests/ui/needless_raw_string.stderr b/src/tools/clippy/tests/ui/needless_raw_string.stderr index 0179978b7b0..cfb07b647d7 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string.stderr +++ b/src/tools/clippy/tests/ui/needless_raw_string.stderr @@ -12,11 +12,5 @@ error: unnecessary raw string literal LL | br#"aaa"#; | ^^^^^^^^^ help: try: `b"aaa"` -error: unnecessary raw string literal - --> $DIR/needless_raw_string.rs:13:5 - | -LL | cr#"aaa"#; - | ^^^^^^^^^ help: try: `c"aaa"` - -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/needless_raw_string_hashes.fixed b/src/tools/clippy/tests/ui/needless_raw_string_hashes.fixed index e4d7d8fb017..c8507c72715 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string_hashes.fixed +++ b/src/tools/clippy/tests/ui/needless_raw_string_hashes.fixed @@ -12,8 +12,9 @@ fn main() { br#"Hello "world"!"#; br####" "### "## "# "####; br###" "aa" "# "## "###; - cr#"aaa"#; - cr#"Hello "world"!"#; - cr####" "### "## "# "####; - cr###" "aa" "# "## "###; + // currently disabled: https://github.com/rust-lang/rust/issues/113333 + // cr#"aaa"#; + // cr##"Hello "world"!"##; + // cr######" "### "## "# "######; + // cr######" "aa" "# "## "######; } diff --git a/src/tools/clippy/tests/ui/needless_raw_string_hashes.rs b/src/tools/clippy/tests/ui/needless_raw_string_hashes.rs index e2d85c52e78..912fbde1679 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string_hashes.rs +++ b/src/tools/clippy/tests/ui/needless_raw_string_hashes.rs @@ -12,8 +12,9 @@ fn main() { br##"Hello "world"!"##; br######" "### "## "# "######; br######" "aa" "# "## "######; - cr#"aaa"#; - cr##"Hello "world"!"##; - cr######" "### "## "# "######; - cr######" "aa" "# "## "######; + // currently disabled: https://github.com/rust-lang/rust/issues/113333 + // cr#"aaa"#; + // cr##"Hello "world"!"##; + // cr######" "### "## "# "######; + // cr######" "aa" "# "## "######; } diff --git a/src/tools/clippy/tests/ui/needless_raw_string_hashes.stderr b/src/tools/clippy/tests/ui/needless_raw_string_hashes.stderr index dff47a2d042..30e6783a38e 100644 --- a/src/tools/clippy/tests/ui/needless_raw_string_hashes.stderr +++ b/src/tools/clippy/tests/ui/needless_raw_string_hashes.stderr @@ -36,23 +36,5 @@ error: unnecessary hashes around raw string literal LL | br######" "aa" "# "## "######; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `br###" "aa" "# "## "###` -error: unnecessary hashes around raw string literal - --> $DIR/needless_raw_string_hashes.rs:16:5 - | -LL | cr##"Hello "world"!"##; - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `cr#"Hello "world"!"#` - -error: unnecessary hashes around raw string literal - --> $DIR/needless_raw_string_hashes.rs:17:5 - | -LL | cr######" "### "## "# "######; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cr####" "### "## "# "####` - -error: unnecessary hashes around raw string literal - --> $DIR/needless_raw_string_hashes.rs:18:5 - | -LL | cr######" "aa" "# "## "######; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cr###" "aa" "# "## "###` - -error: aborting due to 9 previous errors +error: aborting due to 6 previous errors diff --git a/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.rs b/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.rs deleted file mode 100644 index 67115f7c5a7..00000000000 --- a/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.rs +++ /dev/null @@ -1,9 +0,0 @@ -//@run-rustfix -//@compile-flags: -C incremental=target/debug/test/incr - -// see https://github.com/rust-lang/rust-clippy/issues/10969 - -fn main() { - let s = "Hello, world!"; - println!("{}", s.to_string()); -} diff --git a/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.stderr b/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.stderr deleted file mode 100644 index a992c542914..00000000000 --- a/src/tools/clippy/tests/ui/to_string_in_format_args_incremental.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/to_string_in_format_args_incremental.rs:8:21 - | -LL | println!("{}", s.to_string()); - | ^^^^^^^^^^^^ help: remove this - | - = note: `-D clippy::to-string-in-format-args` implied by `-D warnings` - -error: aborting due to previous error - diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index c835962ad12..ad10c3e07ce 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -588,21 +588,22 @@ impl TestProps { } } +/// Extract a `(Option<line_config>, directive)` directive from a line if comment is present. pub fn line_directive<'line>( comment: &str, ln: &'line str, ) -> Option<(Option<&'line str>, &'line str)> { + let ln = ln.trim_start(); if ln.starts_with(comment) { let ln = ln[comment.len()..].trim_start(); if ln.starts_with('[') { // A comment like `//[foo]` is specific to revision `foo` - if let Some(close_brace) = ln.find(']') { - let lncfg = &ln[1..close_brace]; + let Some(close_brace) = ln.find(']') else { + panic!("malformed condition directive: expected `{}[foo]`, found `{}`", comment, ln); + }; - Some((Some(lncfg), ln[(close_brace + 1)..].trim_start())) - } else { - panic!("malformed condition directive: expected `{}[foo]`, found `{}`", comment, ln) - } + let lncfg = &ln[1..close_brace]; + Some((Some(lncfg), ln[(close_brace + 1)..].trim_start())) } else { Some((None, ln)) } diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 672779325ae..ac19fe078f0 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -41,7 +41,7 @@ use crate::extract_gdb_version; use crate::is_android_gdb_target; mod debugger; -use debugger::{check_debugger_output, DebuggerCommands}; +use debugger::DebuggerCommands; #[cfg(test)] mod tests; @@ -997,16 +997,13 @@ impl<'test> TestCx<'test> { }; // Parse debugger commands etc from test files - let DebuggerCommands { commands, check_lines, breakpoint_lines, .. } = - match DebuggerCommands::parse_from( - &self.testpaths.file, - self.config, - prefixes, - self.revision, - ) { - Ok(cmds) => cmds, - Err(e) => self.fatal(&e), - }; + let dbg_cmds = DebuggerCommands::parse_from( + &self.testpaths.file, + self.config, + prefixes, + self.revision, + ) + .unwrap_or_else(|e| self.fatal(&e)); // https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/debugger-commands let mut script_str = String::with_capacity(2048); @@ -1023,12 +1020,12 @@ impl<'test> TestCx<'test> { // Set breakpoints on every line that contains the string "#break" let source_file_name = self.testpaths.file.file_name().unwrap().to_string_lossy(); - for line in &breakpoint_lines { + for line in &dbg_cmds.breakpoint_lines { script_str.push_str(&format!("bp `{}:{}`\n", source_file_name, line)); } // Append the other `cdb-command:`s - for line in &commands { + for line in &dbg_cmds.commands { script_str.push_str(line); script_str.push_str("\n"); } @@ -1058,7 +1055,7 @@ impl<'test> TestCx<'test> { self.fatal_proc_rec("Error while running CDB", &debugger_run_result); } - if let Err(e) = check_debugger_output(&debugger_run_result, &check_lines) { + if let Err(e) = dbg_cmds.check_output(&debugger_run_result) { self.fatal_proc_rec(&e, &debugger_run_result); } } @@ -1088,17 +1085,14 @@ impl<'test> TestCx<'test> { PREFIXES }; - let DebuggerCommands { commands, check_lines, breakpoint_lines } = - match DebuggerCommands::parse_from( - &self.testpaths.file, - self.config, - prefixes, - self.revision, - ) { - Ok(cmds) => cmds, - Err(e) => self.fatal(&e), - }; - let mut cmds = commands.join("\n"); + let dbg_cmds = DebuggerCommands::parse_from( + &self.testpaths.file, + self.config, + prefixes, + self.revision, + ) + .unwrap_or_else(|e| self.fatal(&e)); + let mut cmds = dbg_cmds.commands.join("\n"); // compile test file (it should have 'compile-flags:-g' in the header) let should_run = self.run_if_enabled(); @@ -1132,13 +1126,14 @@ impl<'test> TestCx<'test> { ./{}/stage2/lib/rustlib/{}/lib/\n", self.config.host, self.config.target )); - for line in &breakpoint_lines { + for line in &dbg_cmds.breakpoint_lines { script_str.push_str( - &format!( + format!( "break {:?}:{}\n", self.testpaths.file.file_name().unwrap().to_string_lossy(), *line - )[..], + ) + .as_str(), ); } script_str.push_str(&cmds); @@ -1279,7 +1274,7 @@ impl<'test> TestCx<'test> { } // Add line breakpoints - for line in &breakpoint_lines { + for line in &dbg_cmds.breakpoint_lines { script_str.push_str(&format!( "break '{}':{}\n", self.testpaths.file.file_name().unwrap().to_string_lossy(), @@ -1315,7 +1310,7 @@ impl<'test> TestCx<'test> { self.fatal_proc_rec("gdb failed to execute", &debugger_run_result); } - if let Err(e) = check_debugger_output(&debugger_run_result, &check_lines) { + if let Err(e) = dbg_cmds.check_output(&debugger_run_result) { self.fatal_proc_rec(&e, &debugger_run_result); } } @@ -1372,16 +1367,13 @@ impl<'test> TestCx<'test> { }; // Parse debugger commands etc from test files - let DebuggerCommands { commands, check_lines, breakpoint_lines, .. } = - match DebuggerCommands::parse_from( - &self.testpaths.file, - self.config, - prefixes, - self.revision, - ) { - Ok(cmds) => cmds, - Err(e) => self.fatal(&e), - }; + let dbg_cmds = DebuggerCommands::parse_from( + &self.testpaths.file, + self.config, + prefixes, + self.revision, + ) + .unwrap_or_else(|e| self.fatal(&e)); // Write debugger script: // We don't want to hang when calling `quit` while the process is still running @@ -1430,7 +1422,7 @@ impl<'test> TestCx<'test> { // Set breakpoints on every line that contains the string "#break" let source_file_name = self.testpaths.file.file_name().unwrap().to_string_lossy(); - for line in &breakpoint_lines { + for line in &dbg_cmds.breakpoint_lines { script_str.push_str(&format!( "breakpoint set --file '{}' --line {}\n", source_file_name, line @@ -1438,7 +1430,7 @@ impl<'test> TestCx<'test> { } // Append the other commands - for line in &commands { + for line in &dbg_cmds.commands { script_str.push_str(line); script_str.push_str("\n"); } @@ -1458,7 +1450,7 @@ impl<'test> TestCx<'test> { self.fatal_proc_rec("Error while running LLDB", &debugger_run_result); } - if let Err(e) = check_debugger_output(&debugger_run_result, &check_lines) { + if let Err(e) = dbg_cmds.check_output(&debugger_run_result) { self.fatal_proc_rec(&e, &debugger_run_result); } } diff --git a/src/tools/compiletest/src/runtest/debugger.rs b/src/tools/compiletest/src/runtest/debugger.rs index 379ff0bab40..eebe5f3580b 100644 --- a/src/tools/compiletest/src/runtest/debugger.rs +++ b/src/tools/compiletest/src/runtest/debugger.rs @@ -2,18 +2,25 @@ use crate::common::Config; use crate::header::line_directive; use crate::runtest::ProcRes; +use std::fmt::Write; use std::fs::File; use std::io::{BufRead, BufReader}; -use std::path::Path; +use std::path::{Path, PathBuf}; +/// Representation of information to invoke a debugger and check its output pub(super) struct DebuggerCommands { + /// Commands for the debuuger pub commands: Vec<String>, - pub check_lines: Vec<String>, + /// Lines to insert breakpoints at pub breakpoint_lines: Vec<usize>, + /// Contains the source line number to check and the line itself + check_lines: Vec<(usize, String)>, + /// Source file name + file: PathBuf, } impl DebuggerCommands { - pub(super) fn parse_from( + pub fn parse_from( file: &Path, config: &Config, debugger_prefixes: &[&str], @@ -21,7 +28,7 @@ impl DebuggerCommands { ) -> Result<Self, String> { let directives = debugger_prefixes .iter() - .map(|prefix| (format!("{}-command", prefix), format!("{}-check", prefix))) + .map(|prefix| (format!("{prefix}-command"), format!("{prefix}-check"))) .collect::<Vec<_>>(); let mut breakpoint_lines = vec![]; @@ -29,63 +36,88 @@ impl DebuggerCommands { let mut check_lines = vec![]; let mut counter = 0; let reader = BufReader::new(File::open(file).unwrap()); - for line in reader.lines() { + for (line_no, line) in reader.lines().enumerate() { counter += 1; - match line { - Ok(line) => { - let (lnrev, line) = line_directive("//", &line).unwrap_or((None, &line)); - - // Skip any revision specific directive that doesn't match the current - // revision being tested - if lnrev.is_some() && lnrev != rev { - continue; - } - - if line.contains("#break") { - breakpoint_lines.push(counter); - } - - for &(ref command_directive, ref check_directive) in &directives { - config - .parse_name_value_directive(&line, command_directive) - .map(|cmd| commands.push(cmd)); - - config - .parse_name_value_directive(&line, check_directive) - .map(|cmd| check_lines.push(cmd)); - } - } - Err(e) => return Err(format!("Error while parsing debugger commands: {}", e)), + let line = line.map_err(|e| format!("Error while parsing debugger commands: {}", e))?; + let (lnrev, line) = line_directive("//", &line).unwrap_or((None, &line)); + + // Skip any revision specific directive that doesn't match the current + // revision being tested + if lnrev.is_some() && lnrev != rev { + continue; + } + + if line.contains("#break") { + breakpoint_lines.push(counter); + } + + for &(ref command_directive, ref check_directive) in &directives { + config + .parse_name_value_directive(&line, command_directive) + .map(|cmd| commands.push(cmd)); + + config + .parse_name_value_directive(&line, check_directive) + .map(|cmd| check_lines.push((line_no, cmd))); } } - Ok(Self { commands, check_lines, breakpoint_lines }) + Ok(Self { commands, breakpoint_lines, check_lines, file: file.to_owned() }) } -} -pub(super) fn check_debugger_output( - debugger_run_result: &ProcRes, - check_lines: &[String], -) -> Result<(), String> { - let num_check_lines = check_lines.len(); - - let mut check_line_index = 0; - for line in debugger_run_result.stdout.lines() { - if check_line_index >= num_check_lines { - break; + /// Given debugger output and lines to check, ensure that every line is + /// contained in the debugger output. The check lines need to be found in + /// order, but there can be extra lines between. + pub fn check_output(&self, debugger_run_result: &ProcRes) -> Result<(), String> { + // (src_lineno, ck_line) that we did find + let mut found = vec![]; + // (src_lineno, ck_line) that we couldn't find + let mut missing = vec![]; + // We can find our any current match anywhere after our last match + let mut last_idx = 0; + let dbg_lines: Vec<&str> = debugger_run_result.stdout.lines().collect(); + + for (src_lineno, ck_line) in &self.check_lines { + if let Some(offset) = dbg_lines + .iter() + .skip(last_idx) + .position(|out_line| check_single_line(out_line, &ck_line)) + { + last_idx += offset; + found.push((src_lineno, dbg_lines[last_idx])); + } else { + missing.push((src_lineno, ck_line)); + } } - if check_single_line(line, &(check_lines[check_line_index])[..]) { - check_line_index += 1; + if missing.is_empty() { + Ok(()) + } else { + let fname = self.file.file_name().unwrap().to_string_lossy(); + let mut msg = format!( + "check directive(s) from `{}` not found in debugger output. errors:", + self.file.display() + ); + + for (src_lineno, err_line) in missing { + write!(msg, "\n ({fname}:{num}) `{err_line}`", num = src_lineno + 1).unwrap(); + } + + if !found.is_empty() { + let init = "\nthe following subset of check directive(s) was found successfully:"; + msg.push_str(init); + for (src_lineno, found_line) in found { + write!(msg, "\n ({fname}:{num}) `{found_line}`", num = src_lineno + 1) + .unwrap(); + } + } + + Err(msg) } } - if check_line_index != num_check_lines && num_check_lines > 0 { - Err(format!("line not found in debugger output: {}", check_lines[check_line_index])) - } else { - Ok(()) - } } +/// Check that the pattern in `check_line` applies to `line`. Returns `true` if they do match. fn check_single_line(line: &str, check_line: &str) -> bool { // Allow check lines to leave parts unspecified (e.g., uninitialized // bits in the wrong case of an enum) with the notation "[...]". @@ -101,21 +133,19 @@ fn check_single_line(line: &str, check_line: &str) -> bool { } let (mut rest, first_fragment) = if can_start_anywhere { - match line.find(check_fragments[0]) { - Some(pos) => (&line[pos + check_fragments[0].len()..], 1), - None => return false, - } + let Some(pos) = line.find(check_fragments[0]) else { + return false; + }; + (&line[pos + check_fragments[0].len()..], 1) } else { (line, 0) }; for current_fragment in &check_fragments[first_fragment..] { - match rest.find(current_fragment) { - Some(pos) => { - rest = &rest[pos + current_fragment.len()..]; - } - None => return false, - } + let Some(pos) = rest.find(current_fragment) else { + return false; + }; + rest = &rest[pos + current_fragment.len()..]; } if !can_end_anywhere && !rest.is_empty() { false } else { true } diff --git a/src/tools/miri/.github/workflows/ci.yml b/src/tools/miri/.github/workflows/ci.yml index 8068db1cf4f..c87b3e42323 100644 --- a/src/tools/miri/.github/workflows/ci.yml +++ b/src/tools/miri/.github/workflows/ci.yml @@ -15,6 +15,10 @@ on: env: CARGO_UNSTABLE_SPARSE_REGISTRY: 'true' +defaults: + run: + shell: bash + jobs: build: runs-on: ${{ matrix.os }} @@ -59,12 +63,9 @@ jobs: - name: Install rustup-toolchain-install-master if: ${{ steps.cache.outputs.cache-hit != 'true' }} - shell: bash - run: | - cargo install -f rustup-toolchain-install-master + run: cargo install -f rustup-toolchain-install-master - name: Install "master" toolchain - shell: bash run: | if [[ ${{ github.event_name }} == 'schedule' ]]; then echo "Building against latest rustc git version" @@ -79,7 +80,7 @@ jobs: cargo -V - name: Test - run: bash ./ci.sh + run: ./ci.sh style: name: style checks @@ -111,14 +112,10 @@ jobs: - name: Install rustup-toolchain-install-master if: ${{ steps.cache.outputs.cache-hit != 'true' }} - shell: bash - run: | - cargo install -f rustup-toolchain-install-master + run: cargo install -f rustup-toolchain-install-master - name: Install "master" toolchain - shell: bash - run: | - ./miri toolchain + run: ./miri toolchain - name: Show Rust version run: | @@ -138,7 +135,6 @@ jobs: # workflow is successful listening to webhooks only. # # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB! - # (`fmt` is deliberately not listed, we want bors to ignore it.) end-success: name: bors build finished runs-on: ubuntu-latest @@ -166,12 +162,12 @@ jobs: - name: Install zulip-send run: pip3 install zulip - name: Send Zulip notification - shell: bash env: ZULIP_BOT_EMAIL: ${{ secrets.ZULIP_BOT_EMAIL }} ZULIP_API_TOKEN: ${{ secrets.ZULIP_API_TOKEN }} run: | - ~/.local/bin/zulip-send --stream miri --subject "Cron Job Failure (miri, $(date -u +%Y-%m))" \ + ~/.local/bin/zulip-send --user $ZULIP_BOT_EMAIL --api-key $ZULIP_API_TOKEN --site https://rust-lang.zulipchat.com \ + --stream miri --subject "Cron Job Failure (miri, $(date -u +%Y-%m))" \ --message 'Dear @*T-miri*, It would appear that the [Miri cron job build]('"https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"') failed. @@ -183,9 +179,12 @@ jobs: Thanks in advance! Sincerely, - The Miri Cronjobs Bot' \ - --user $ZULIP_BOT_EMAIL --api-key $ZULIP_API_TOKEN --site https://rust-lang.zulipchat.com + The Miri Cronjobs Bot' + # Attempt to auto-sync with rustc + - uses: actions/checkout@v3 + with: + fetch-depth: 256 # get a bit more of the history - name: install josh-proxy run: cargo +stable install josh-proxy --git https://github.com/josh-project/josh --tag r22.12.06 - name: start josh-proxy @@ -196,16 +195,24 @@ jobs: git config --global user.email 'miri@cron.bot' - name: get changes from rustc run: ./miri rustc-pull + - name: Install rustup-toolchain-install-master + run: cargo install -f rustup-toolchain-install-master - name: format changes (if any) run: | ./miri toolchain ./miri fmt --check || (./miri fmt && git commit -am "fmt") - name: Push changes to a branch run: | - git switch -c "rustup$(date -u +%Y-%m)" - git push + BRANCH="rustup$(date -u +%Y-%m-%d)" + git switch -c $BRANCH + git push -u origin $BRANCH - name: Create Pull Request - run: gh pr create -B master --title 'Automatic sync from rustc' --body '' + run: | + PR=$(gh pr create -B master --title 'Automatic sync from rustc' --body '') + ~/.local/bin/zulip-send --user $ZULIP_BOT_EMAIL --api-key $ZULIP_API_TOKEN --site https://rust-lang.zulipchat.com \ + --stream miri --subject "Cron Job Failure (miri, $(date -u +%Y-%m))" \ + --message "A PR doing a rustc-pull [has been automatically created]($PR) for your convenience." env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - + ZULIP_BOT_EMAIL: ${{ secrets.ZULIP_BOT_EMAIL }} + ZULIP_API_TOKEN: ${{ secrets.ZULIP_API_TOKEN }} diff --git a/src/tools/miri/Cargo.lock b/src/tools/miri/Cargo.lock index edb3ee48a4e..4232d7fda78 100644 --- a/src/tools/miri/Cargo.lock +++ b/src/tools/miri/Cargo.lock @@ -842,9 +842,9 @@ dependencies = [ [[package]] name = "ui_test" -version = "0.11.6" +version = "0.11.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "24a2e70adc9d18b9b4dd80ea57aeec447103c6fbb354a07c080adad451c645e1" +checksum = "c21899b59f53717dfad29e4f46e5b21a200a1b6888ab86532a07cfc8b48dd78c" dependencies = [ "bstr", "cargo-platform", diff --git a/src/tools/miri/Cargo.toml b/src/tools/miri/Cargo.toml index 50864334fc5..a625e1696e1 100644 --- a/src/tools/miri/Cargo.toml +++ b/src/tools/miri/Cargo.toml @@ -36,7 +36,7 @@ libloading = "0.7" [dev-dependencies] colored = "2" -ui_test = "0.11.6" +ui_test = "0.11.7" rustc_version = "0.4" # Features chosen to match those required by env_logger, to avoid rebuilds regex = { version = "1.5.5", default-features = false, features = ["perf", "std"] } diff --git a/src/tools/miri/cargo-miri/src/main.rs b/src/tools/miri/cargo-miri/src/main.rs index 85c9cdad7df..6178670b4f0 100644 --- a/src/tools/miri/cargo-miri/src/main.rs +++ b/src/tools/miri/cargo-miri/src/main.rs @@ -80,7 +80,11 @@ fn main() { match first.as_str() { "miri" => phase_cargo_miri(args), "runner" => phase_runner(args, RunnerPhase::Cargo), - arg if arg == env::var("RUSTC").unwrap() => { + arg if arg == env::var("RUSTC").unwrap_or_else(|_| { + show_error!( + "`cargo-miri` called without RUSTC set; please only invoke this binary through `cargo miri`" + ) + }) => { // If the first arg is equal to the RUSTC env variable (which should be set at this // point), then we need to behave as rustc. This is the somewhat counter-intuitive // behavior of having both RUSTC and RUSTC_WRAPPER set diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs index 60f39cb36ab..4c19ed97fb8 100644 --- a/src/tools/miri/cargo-miri/src/util.rs +++ b/src/tools/miri/cargo-miri/src/util.rs @@ -82,7 +82,7 @@ pub enum MiriCommand { pub fn escape_for_toml(s: &str) -> String { // We want to surround this string in quotes `"`. So we first escape all quotes, // and also all backslashes (that are used to escape quotes). - let s = s.replace('\\', r#"\\"#).replace('"', r#"\""#); + let s = s.replace('\\', r"\\").replace('"', r#"\""#); format!("\"{s}\"") } @@ -130,7 +130,7 @@ pub fn exec(mut cmd: Command) -> ! { { use std::os::unix::process::CommandExt; let error = cmd.exec(); - Err(error).expect("failed to run command") + panic!("failed to run command: {error}") } } diff --git a/src/tools/miri/miri b/src/tools/miri/miri index 7cda995879c..ace3d17ae2a 100755 --- a/src/tools/miri/miri +++ b/src/tools/miri/miri @@ -124,7 +124,7 @@ rustc-pull) git commit rust-version -m "Preparing for merge from rustc" || (echo "FAILED to commit rust-version file, something went wrong"; exit 1) # Fetch given rustc commit and note down which one that was git fetch http://localhost:8000/rust-lang/rust.git@$FETCH_COMMIT$JOSH_FILTER.git || (echo "FAILED to fetch new commits, something went wrong"; exit 1) - git merge FETCH_HEAD --no-ff -m "Merge from rustc" || (echo "FAILED to merge new commits, something went wrong"; exit 1) + git merge FETCH_HEAD --no-ff -m "Merge from rustc" || (echo "FAILED to merge new commits ($(git rev-parse FETCH_HEAD)), something went wrong"; exit 1) exit 0 ;; rustc-push) @@ -325,6 +325,7 @@ run|run-dep) MIRIFLAGS="$MIRIFLAGS --target $MIRI_TEST_TARGET" fi + CARGO="$CARGO --quiet" # First build and get a sysroot. $CARGO build $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml find_sysroot diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 6790454bdb7..02b0dd16f91 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -75726cae37317c7262b69d3e9fd11a3496a88d04 +d4096e0412ac5de785d739a0aa2b1c1c7b9d3b7d diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index 2dc33334417..1ec4cbc4de7 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -67,7 +67,7 @@ impl rustc_driver::Callbacks for MiriCompilerCalls { if tcx.sess.compile_status().is_err() { tcx.sess.fatal("miri cannot be run on programs that fail compilation"); } -; + init_late_loggers(handler, tcx); if !tcx.sess.crate_types().contains(&CrateType::Executable) { tcx.sess.fatal("miri only makes sense on bin crates"); diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs index c9674e0a2fe..de307a3c5f5 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs @@ -221,7 +221,10 @@ impl AllocHistory { impl<'history, 'ecx, 'mir, 'tcx> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { pub fn start_grant(&mut self, perm: Permission) { let Operation::Retag(op) = &mut self.operation else { - unreachable!("start_grant must only be called during a retag, this is: {:?}", self.operation) + unreachable!( + "start_grant must only be called during a retag, this is: {:?}", + self.operation + ) }; op.permission = Some(perm); @@ -286,7 +289,8 @@ impl<'history, 'ecx, 'mir, 'tcx> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { tag: BorTag, protector_tag: Option<BorTag>, ) -> Option<TagHistory> { - let Some(created) = self.history + let Some(created) = self + .history .creations .iter() .rev() @@ -315,22 +319,27 @@ impl<'history, 'ecx, 'mir, 'tcx> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { None } }) - }).or_else(|| { + }) + .or_else(|| { // If we didn't find a retag that created this tag, it might be the base tag of // this allocation. if self.history.base.0.tag() == tag { Some(( - format!("{tag:?} was created here, as the base tag for {:?}", self.history.id), - self.history.base.1.data() + format!( + "{tag:?} was created here, as the base tag for {:?}", + self.history.id + ), + self.history.base.1.data(), )) } else { None } - }) else { - // But if we don't have a creation event, this is related to a wildcard, and there - // is really nothing we can do to help. - return None; - }; + }) + else { + // But if we don't have a creation event, this is related to a wildcard, and there + // is really nothing we can do to help. + return None; + }; let invalidated = self.history.invalidations.iter().rev().find_map(|event| { if event.tag == tag { Some(event.generate_diagnostic()) } else { None } diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs index 581327e54f1..ca0f69450c9 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs @@ -430,12 +430,15 @@ impl<'tcx> Stack { .find_granting(AccessKind::Write, derived_from, exposed_tags) .map_err(|()| dcx.grant_error(self))?; - let (Some(granting_idx), ProvenanceExtra::Concrete(_)) = (granting_idx, derived_from) else { + let (Some(granting_idx), ProvenanceExtra::Concrete(_)) = (granting_idx, derived_from) + else { // The parent is a wildcard pointer or matched the unknown bottom. // This is approximate. Nobody knows what happened, so forget everything. // The new thing is SRW anyway, so we cannot push it "on top of the unknown part" // (for all we know, it might join an SRW group inside the unknown). - trace!("reborrow: forgetting stack entirely due to SharedReadWrite reborrow from wildcard or unknown"); + trace!( + "reborrow: forgetting stack entirely due to SharedReadWrite reborrow from wildcard or unknown" + ); self.set_unknown_bottom(global.next_ptr_tag); return Ok(()); }; @@ -1008,7 +1011,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // We have to turn the place into a pointer to use the existing code. // (The pointer type does not matter, so we use a raw pointer.) - let ptr_layout = this.layout_of(Ty::new_mut_ptr(this.tcx.tcx,return_place.layout.ty))?; + let ptr_layout = this.layout_of(Ty::new_mut_ptr(this.tcx.tcx, return_place.layout.ty))?; let val = ImmTy::from_immediate(return_place.to_ref(this), ptr_layout); // Reborrow it. With protection! That is part of the point. let new_perm = NewPermission::Uniform { diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs index a1e949183ad..291807c25ee 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs @@ -196,19 +196,19 @@ impl<'tcx> Stack { let ProvenanceExtra::Concrete(tag) = tag else { // Handle the wildcard case. // Go search the stack for an exposed tag. - if let Some(idx) = - self.borrows - .iter() - .enumerate() // we also need to know *where* in the stack - .rev() // search top-to-bottom - .find_map(|(idx, item)| { - // If the item fits and *might* be this wildcard, use it. - if item.perm().grants(access) && exposed_tags.contains(&item.tag()) { - Some(idx) - } else { - None - } - }) + if let Some(idx) = self + .borrows + .iter() + .enumerate() // we also need to know *where* in the stack + .rev() // search top-to-bottom + .find_map(|(idx, item)| { + // If the item fits and *might* be this wildcard, use it. + if item.perm().grants(access) && exposed_tags.contains(&item.tag()) { + Some(idx) + } else { + None + } + }) { return Ok(Some(idx)); } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs index a87a4bbddad..3b2d6f9608e 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs @@ -570,9 +570,13 @@ impl DisplayRepr { extraction_aux(tree, tree.root, show_unnamed, &mut v); let Some(root) = v.pop() else { if show_unnamed { - unreachable!("This allocation contains no tags, not even a root. This should not happen."); + unreachable!( + "This allocation contains no tags, not even a root. This should not happen." + ); } - eprintln!("This allocation does not contain named tags. Use `miri_print_borrow_state(_, true)` to also print unnamed tags."); + eprintln!( + "This allocation does not contain named tags. Use `miri_print_borrow_state(_, true)` to also print unnamed tags." + ); return None; }; assert!(v.is_empty()); diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index 4c0690c585c..e134b739888 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -256,7 +256,9 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' ptr_size.bytes() ); - let Some(new_perm) = new_perm else { return Ok(Some((alloc_id, orig_tag))); }; + let Some(new_perm) = new_perm else { + return Ok(Some((alloc_id, orig_tag))); + }; if let Some(protect) = new_perm.protector { // We register the protection in two different places. @@ -509,7 +511,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // We have to turn the place into a pointer to use the existing code. // (The pointer type does not matter, so we use a raw pointer.) - let ptr_layout = this.layout_of(Ty::new_mut_ptr(this.tcx.tcx,return_place.layout.ty))?; + let ptr_layout = this.layout_of(Ty::new_mut_ptr(this.tcx.tcx, return_place.layout.ty))?; let val = ImmTy::from_immediate(return_place.to_ref(this), ptr_layout); // Reborrow it. With protection! That is part of the point. // FIXME: do we truly want a 2phase borrow here? diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index 56de9c007d0..aba7dd5a9fe 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -305,7 +305,7 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( for arg in config.args.iter() { // Make space for `0` terminator. let size = u64::try_from(arg.len()).unwrap().checked_add(1).unwrap(); - let arg_type = Ty::new_array(tcx,tcx.types.u8, size); + let arg_type = Ty::new_array(tcx, tcx.types.u8, size); let arg_place = ecx.allocate(ecx.layout_of(arg_type)?, MiriMemoryKind::Machine.into())?; ecx.write_os_str_to_c_str(OsStr::new(arg), arg_place.ptr, size)?; @@ -313,9 +313,11 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( argvs.push(arg_place.to_ref(&ecx)); } // Make an array with all these pointers, in the Miri memory. - let argvs_layout = ecx.layout_of( - Ty::new_array(tcx,Ty::new_imm_ptr(tcx,tcx.types.u8), u64::try_from(argvs.len()).unwrap()), - )?; + let argvs_layout = ecx.layout_of(Ty::new_array( + tcx, + Ty::new_imm_ptr(tcx, tcx.types.u8), + u64::try_from(argvs.len()).unwrap(), + ))?; let argvs_place = ecx.allocate(argvs_layout, MiriMemoryKind::Machine.into())?; for (idx, arg) in argvs.into_iter().enumerate() { let place = ecx.mplace_field(&argvs_place, idx)?; @@ -333,7 +335,7 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( ecx.machine.argc = Some(*argc_place); let argv_place = ecx.allocate( - ecx.layout_of(Ty::new_imm_ptr(tcx,tcx.types.unit))?, + ecx.layout_of(Ty::new_imm_ptr(tcx, tcx.types.unit))?, MiriMemoryKind::Machine.into(), )?; ecx.write_immediate(argv, &argv_place.into())?; @@ -345,7 +347,8 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( // Construct a command string with all the arguments. let cmd_utf16: Vec<u16> = args_to_utf16_command_string(config.args.iter()); - let cmd_type = Ty::new_array(tcx,tcx.types.u16, u64::try_from(cmd_utf16.len()).unwrap()); + let cmd_type = + Ty::new_array(tcx, tcx.types.u16, u64::try_from(cmd_utf16.len()).unwrap()); let cmd_place = ecx.allocate(ecx.layout_of(cmd_type)?, MiriMemoryKind::Machine.into())?; ecx.machine.cmd_line = Some(*cmd_place); @@ -366,7 +369,11 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( match entry_type { EntryFnType::Main { .. } => { - let start_id = tcx.lang_items().start_fn().unwrap(); + let start_id = tcx.lang_items().start_fn().unwrap_or_else(|| { + tcx.sess.fatal( + "could not find start function. Make sure the entry point is marked with `#[start]`." + ); + }); let main_ret_ty = tcx.fn_sig(entry_id).no_bound_vars().unwrap().output(); let main_ret_ty = main_ret_ty.no_bound_vars().unwrap(); let start_instance = ty::Instance::resolve( diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index e79bb47c78b..7e92dc7a0c7 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -9,6 +9,7 @@ #![feature(local_key_cell_methods)] #![feature(round_ties_even)] #![feature(os_str_bytes)] +#![feature(lint_reasons)] // Configure clippy and other lints #![allow( clippy::collapsible_else_if, diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 5fcf3905199..ac2bad22119 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -313,10 +313,12 @@ pub struct PrimitiveLayouts<'tcx> { impl<'mir, 'tcx: 'mir> PrimitiveLayouts<'tcx> { fn new(layout_cx: LayoutCx<'tcx, TyCtxt<'tcx>>) -> Result<Self, &'tcx LayoutError<'tcx>> { let tcx = layout_cx.tcx; - let mut_raw_ptr = Ty::new_ptr(tcx,TypeAndMut { ty: tcx.types.unit, mutbl: Mutability::Mut }); - let const_raw_ptr = Ty::new_ptr(tcx,TypeAndMut { ty: tcx.types.unit, mutbl: Mutability::Not }); + let mut_raw_ptr = + Ty::new_ptr(tcx, TypeAndMut { ty: tcx.types.unit, mutbl: Mutability::Mut }); + let const_raw_ptr = + Ty::new_ptr(tcx, TypeAndMut { ty: tcx.types.unit, mutbl: Mutability::Not }); Ok(Self { - unit: layout_cx.layout_of(Ty::new_unit(tcx,))?, + unit: layout_cx.layout_of(Ty::new_unit(tcx))?, i8: layout_cx.layout_of(tcx.types.i8)?, i16: layout_cx.layout_of(tcx.types.i16)?, i32: layout_cx.layout_of(tcx.types.i32)?, diff --git a/src/tools/miri/src/shims/backtrace.rs b/src/tools/miri/src/shims/backtrace.rs index eaa66f1f874..adf9a35d5c3 100644 --- a/src/tools/miri/src/shims/backtrace.rs +++ b/src/tools/miri/src/shims/backtrace.rs @@ -71,7 +71,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let len: u64 = ptrs.len().try_into().unwrap(); let ptr_ty = this.machine.layouts.mut_raw_ptr.ty; - let array_layout = this.layout_of(Ty::new_array(tcx.tcx,ptr_ty, len)).unwrap(); + let array_layout = this.layout_of(Ty::new_array(tcx.tcx, ptr_ty, len)).unwrap(); match flags { // storage for pointers is allocated by miri diff --git a/src/tools/miri/src/shims/env.rs b/src/tools/miri/src/shims/env.rs index 3d4967f1f83..1dcb877a83f 100644 --- a/src/tools/miri/src/shims/env.rs +++ b/src/tools/miri/src/shims/env.rs @@ -5,8 +5,8 @@ use std::mem; use rustc_const_eval::interpret::Pointer; use rustc_data_structures::fx::FxHashMap; -use rustc_middle::ty::Ty; use rustc_middle::ty::layout::LayoutOf; +use rustc_middle::ty::Ty; use rustc_target::abi::Size; use crate::helpers::target_os_is_unix; @@ -449,9 +449,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { vars.push(Pointer::null()); // Make an array with all these pointers inside Miri. let tcx = this.tcx; - let vars_layout = this.layout_of( - Ty::new_array(tcx.tcx,this.machine.layouts.mut_raw_ptr.ty, u64::try_from(vars.len()).unwrap()), - )?; + let vars_layout = this.layout_of(Ty::new_array( + tcx.tcx, + this.machine.layouts.mut_raw_ptr.ty, + u64::try_from(vars.len()).unwrap(), + ))?; let vars_place = this.allocate(vars_layout, MiriMemoryKind::Runtime.into())?; for (idx, var) in vars.into_iter().enumerate() { let place = this.mplace_field(&vars_place, idx)?; diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index f4e91c30d9f..6915c396d61 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -763,6 +763,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let ptr_dest = this.read_pointer(ptr_dest)?; let ptr_src = this.read_pointer(ptr_src)?; let n = this.read_target_usize(n)?; + + // C requires that this must always be a valid pointer, even if `n` is zero, so we better check that. + // (This is more than Rust requires, so `mem_copy` is not sufficient.) + this.ptr_get_alloc_id(ptr_dest)?; + this.ptr_get_alloc_id(ptr_src)?; + this.mem_copy( ptr_src, Align::ONE, diff --git a/src/tools/miri/src/shims/intrinsics/simd.rs b/src/tools/miri/src/shims/intrinsics/simd.rs index 1995db715e8..94f8cfbfb1c 100644 --- a/src/tools/miri/src/shims/intrinsics/simd.rs +++ b/src/tools/miri/src/shims/intrinsics/simd.rs @@ -483,7 +483,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // `index` is an array, not a SIMD type let ty::Array(_, index_len) = index.layout.ty.kind() else { - span_bug!(this.cur_span(), "simd_shuffle index argument has non-array type {}", index.layout.ty) + span_bug!( + this.cur_span(), + "simd_shuffle index argument has non-array type {}", + index.layout.ty + ) }; let index_len = index_len.eval_target_usize(*this.tcx, this.param_env()); @@ -622,9 +626,7 @@ fn fmax_op<'tcx>( right: &ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx, Scalar<Provenance>> { assert_eq!(left.layout.ty, right.layout.ty); - let ty::Float(float_ty) = left.layout.ty.kind() else { - bug!("fmax operand is not a float") - }; + let ty::Float(float_ty) = left.layout.ty.kind() else { bug!("fmax operand is not a float") }; let left = left.to_scalar(); let right = right.to_scalar(); Ok(match float_ty { @@ -638,9 +640,7 @@ fn fmin_op<'tcx>( right: &ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx, Scalar<Provenance>> { assert_eq!(left.layout.ty, right.layout.ty); - let ty::Float(float_ty) = left.layout.ty.kind() else { - bug!("fmin operand is not a float") - }; + let ty::Float(float_ty) = left.layout.ty.kind() else { bug!("fmin operand is not a float") }; let left = left.to_scalar(); let right = right.to_scalar(); Ok(match float_ty { diff --git a/src/tools/miri/src/shims/os_str.rs b/src/tools/miri/src/shims/os_str.rs index 4cdd54fa21b..f08f0aad5e7 100644 --- a/src/tools/miri/src/shims/os_str.rs +++ b/src/tools/miri/src/shims/os_str.rs @@ -7,8 +7,8 @@ use std::os::unix::ffi::{OsStrExt, OsStringExt}; #[cfg(windows)] use std::os::windows::ffi::{OsStrExt, OsStringExt}; -use rustc_middle::ty::Ty; use rustc_middle::ty::layout::LayoutOf; +use rustc_middle::ty::Ty; use crate::*; @@ -141,7 +141,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0` terminator. let this = self.eval_context_mut(); - let arg_type = Ty::new_array(this.tcx.tcx,this.tcx.types.u8, size); + let arg_type = Ty::new_array(this.tcx.tcx, this.tcx.types.u8, size); let arg_place = this.allocate(this.layout_of(arg_type).unwrap(), memkind)?; let (written, _) = self.write_os_str_to_c_str(os_str, arg_place.ptr, size).unwrap(); assert!(written); @@ -157,7 +157,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0x0000` terminator. let this = self.eval_context_mut(); - let arg_type = Ty::new_array(this.tcx.tcx,this.tcx.types.u16, size); + let arg_type = Ty::new_array(this.tcx.tcx, this.tcx.types.u16, size); let arg_place = this.allocate(this.layout_of(arg_type).unwrap(), memkind)?; let (written, _) = self.write_os_str_to_wide_str(os_str, arg_place.ptr, size, /*truncate*/ false).unwrap(); diff --git a/src/tools/miri/src/shims/unix/linux/fd.rs b/src/tools/miri/src/shims/unix/linux/fd.rs index dc395d39ce1..87e887000c5 100644 --- a/src/tools/miri/src/shims/unix/linux/fd.rs +++ b/src/tools/miri/src/shims/unix/linux/fd.rs @@ -181,6 +181,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// `EFD_SEMAPHORE` - miri does not support semaphore-like semantics. /// /// <https://linux.die.net/man/2/eventfd> + #[expect(clippy::needless_if)] fn eventfd( &mut self, val: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/tests/compiletest.rs b/src/tools/miri/tests/compiletest.rs index 73671e716ef..59143550253 100644 --- a/src/tools/miri/tests/compiletest.rs +++ b/src/tools/miri/tests/compiletest.rs @@ -145,7 +145,8 @@ fn run_tests(mode: Mode, path: &str, target: &str, with_dependencies: bool) -> R // The files we're actually interested in (all `.rs` files). |path| { path.extension().is_some_and(|ext| ext == "rs") - && (filters.is_empty() || filters.iter().any(|f| path.starts_with(f))) + && (filters.is_empty() + || filters.iter().any(|f| path.display().to_string().contains(f))) }, // This could be used to overwrite the `Config` on a per-test basis. |_, _| None, @@ -274,13 +275,13 @@ fn main() -> Result<()> { fn run_dep_mode(target: String, mut args: impl Iterator<Item = OsString>) -> Result<()> { let path = args.next().expect("./miri run-dep must be followed by a file name"); let mut config = test_config(&target, "", Mode::Yolo, /* with dependencies */ true); - config.program.args.remove(0); // remove the `--error-format=json` argument - config.program.args.push("--color".into()); - config.program.args.push("always".into()); - let mut cmd = ui_test::test_command(config, Path::new(&path))?; - // Separate the arguments to the `cargo miri` invocation from - // the arguments to the interpreted prog - cmd.arg("--"); + config.program.args.clear(); // We want to give the user full control over flags + config.build_dependencies_and_link_them()?; + + let mut cmd = config.program.build(&config.out_dir); + + cmd.arg(path); + cmd.args(args); if cmd.spawn()?.wait()?.success() { Ok(()) } else { std::process::exit(1) } } diff --git a/src/tools/miri/tests/fail/overlapping_assignment.rs b/src/tools/miri/tests/fail/overlapping_assignment.rs new file mode 100644 index 00000000000..84994c179f9 --- /dev/null +++ b/src/tools/miri/tests/fail/overlapping_assignment.rs @@ -0,0 +1,23 @@ +#![feature(core_intrinsics)] +#![feature(custom_mir)] + +use std::intrinsics::mir::*; + +// It's not that easy to fool the MIR validity check +// which wants to prevent overlapping assignments... +// So we use two separate pointer arguments, and then arrange for them to alias. +#[custom_mir(dialect = "runtime", phase = "optimized")] +pub fn self_copy(ptr1: *mut [i32; 4], ptr2: *mut [i32; 4]) { + mir! { + { + *ptr1 = *ptr2; //~ERROR: overlapping ranges + Return() + } + } +} + +pub fn main() { + let mut x = [0; 4]; + let ptr = std::ptr::addr_of_mut!(x); + self_copy(ptr, ptr); +} diff --git a/src/tools/miri/tests/fail/overlapping_assignment.stderr b/src/tools/miri/tests/fail/overlapping_assignment.stderr new file mode 100644 index 00000000000..42a000dfcc6 --- /dev/null +++ b/src/tools/miri/tests/fail/overlapping_assignment.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: `copy_nonoverlapping` called on overlapping ranges + --> $DIR/overlapping_assignment.rs:LL:CC + | +LL | *ptr1 = *ptr2; + | ^^^^^^^^^^^^^ `copy_nonoverlapping` called on overlapping ranges + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `self_copy` at $DIR/overlapping_assignment.rs:LL:CC +note: inside `main` + --> $DIR/overlapping_assignment.rs:LL:CC + | +LL | self_copy(ptr, ptr); + | ^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/fail/shims/memchr_null.rs b/src/tools/miri/tests/fail/shims/memchr_null.rs new file mode 100644 index 00000000000..6bc7af7e6bf --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memchr_null.rs @@ -0,0 +1,10 @@ +//@ignore-target-windows: No libc on Windows + +use std::ptr; + +// null is explicitly called out as UB in the C docs. +fn main() { + unsafe { + libc::memchr(ptr::null(), 0, 0); //~ERROR: dangling + } +} diff --git a/src/tools/miri/tests/fail/shims/memchr_null.stderr b/src/tools/miri/tests/fail/shims/memchr_null.stderr new file mode 100644 index 00000000000..d48606f34ad --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memchr_null.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) + --> $DIR/memchr_null.rs:LL:CC + | +LL | libc::memchr(ptr::null(), 0, 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/memchr_null.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/fail/shims/memcmp_null.rs b/src/tools/miri/tests/fail/shims/memcmp_null.rs new file mode 100644 index 00000000000..a4e0034c40b --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memcmp_null.rs @@ -0,0 +1,10 @@ +//@ignore-target-windows: No libc on Windows + +use std::ptr; + +// null is explicitly called out as UB in the C docs. +fn main() { + unsafe { + libc::memcmp(ptr::null(), ptr::null(), 0); //~ERROR: dangling + } +} diff --git a/src/tools/miri/tests/fail/shims/memcmp_null.stderr b/src/tools/miri/tests/fail/shims/memcmp_null.stderr new file mode 100644 index 00000000000..7a09c779894 --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memcmp_null.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) + --> $DIR/memcmp_null.rs:LL:CC + | +LL | libc::memcmp(ptr::null(), ptr::null(), 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/memcmp_null.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/fail/shims/memcpy_zero.rs b/src/tools/miri/tests/fail/shims/memcpy_zero.rs new file mode 100644 index 00000000000..5283fea4cb9 --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memcpy_zero.rs @@ -0,0 +1,12 @@ +//@ignore-target-windows: No libc on Windows +//@compile-flags: -Zmiri-permissive-provenance +// C's memcpy is 0 bytes is UB for some pointers that are allowed in Rust's `copy_nonoverlapping`. + +fn main() { + let from = 42 as *const u8; + let to = 23 as *mut u8; + unsafe { + to.copy_from(from, 0); // this is fine + libc::memcpy(to.cast(), from.cast(), 0); //~ERROR: dangling + } +} diff --git a/src/tools/miri/tests/fail/shims/memcpy_zero.stderr b/src/tools/miri/tests/fail/shims/memcpy_zero.stderr new file mode 100644 index 00000000000..7c1c3fe20c4 --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memcpy_zero.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: out-of-bounds pointer use: 0x17[noalloc] is a dangling pointer (it has no provenance) + --> $DIR/memcpy_zero.rs:LL:CC + | +LL | libc::memcpy(to.cast(), from.cast(), 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer use: 0x17[noalloc] is a dangling pointer (it has no provenance) + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/memcpy_zero.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/fail/shims/memrchr_null.rs b/src/tools/miri/tests/fail/shims/memrchr_null.rs new file mode 100644 index 00000000000..b6707d558d8 --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memrchr_null.rs @@ -0,0 +1,11 @@ +//@ignore-target-windows: No libc on Windows +//@ignore-target-apple: No `memrchr` on some apple targets + +use std::ptr; + +// null is explicitly called out as UB in the C docs. +fn main() { + unsafe { + libc::memrchr(ptr::null(), 0, 0); //~ERROR: dangling + } +} diff --git a/src/tools/miri/tests/fail/shims/memrchr_null.stderr b/src/tools/miri/tests/fail/shims/memrchr_null.stderr new file mode 100644 index 00000000000..b5b7630e7fd --- /dev/null +++ b/src/tools/miri/tests/fail/shims/memrchr_null.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) + --> $DIR/memrchr_null.rs:LL:CC + | +LL | libc::memrchr(ptr::null(), 0, 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/memrchr_null.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/pass/portable-simd-ptrs.rs b/src/tools/miri/tests/pass/portable-simd-ptrs.rs index 303c99834f5..843bb0284cf 100644 --- a/src/tools/miri/tests/pass/portable-simd-ptrs.rs +++ b/src/tools/miri/tests/pass/portable-simd-ptrs.rs @@ -6,7 +6,7 @@ use std::simd::*; fn main() { // Pointer casts - let _val: Simd<*const u8, 4> = Simd::<*const i32, 4>::splat(ptr::null()).cast_ptr(); + let _val: Simd<*const u8, 4> = Simd::<*const i32, 4>::splat(ptr::null()).cast(); let addrs = Simd::<*const i32, 4>::splat(ptr::null()).expose_addr(); let _ptrs = Simd::<*const i32, 4>::from_exposed_addr(addrs); } diff --git a/src/tools/miri/tests/pass/vec.rs b/src/tools/miri/tests/pass/vec.rs index 048f7d1c351..4ab2bcb7f22 100644 --- a/src/tools/miri/tests/pass/vec.rs +++ b/src/tools/miri/tests/pass/vec.rs @@ -100,7 +100,7 @@ fn vec_push_ptr_stable() { v.push(0); let v0 = unsafe { &mut *(&mut v[0] as *mut _) }; // laundering the lifetime -- we take care that `v` does not reallocate, so that's okay. v.push(1); - let _val = *v0; + *v0 = *v0; } fn vec_extend_ptr_stable() { @@ -109,23 +109,23 @@ fn vec_extend_ptr_stable() { let v0 = unsafe { &mut *(&mut v[0] as *mut _) }; // laundering the lifetime -- we take care that `v` does not reallocate, so that's okay. // `slice::Iter` (with `T: Copy`) specialization v.extend(&[1]); - let _val = *v0; + *v0 = *v0; // `vec::IntoIter` specialization v.extend(vec![2]); - let _val = *v0; + *v0 = *v0; // `TrustedLen` specialization v.extend(std::iter::once(3)); - let _val = *v0; + *v0 = *v0; // base case v.extend(std::iter::once(3).filter(|_| true)); - let _val = *v0; + *v0 = *v0; } fn vec_truncate_ptr_stable() { let mut v = vec![0; 10]; let v0 = unsafe { &mut *(&mut v[0] as *mut _) }; // laundering the lifetime -- we take care that `v` does not reallocate, so that's okay. v.truncate(5); - let _val = *v0; + *v0 = *v0; } fn push_str_ptr_stable() { diff --git a/src/tools/opt-dist/Cargo.toml b/src/tools/opt-dist/Cargo.toml new file mode 100644 index 00000000000..5a1794d3336 --- /dev/null +++ b/src/tools/opt-dist/Cargo.toml @@ -0,0 +1,22 @@ +[package] +name = "opt-dist" +version = "0.1.0" +edition = "2021" + +[dependencies] +build_helper = { path = "../build_helper" } +env_logger = "0.10" +log = "0.4" +anyhow = { version = "1", features = ["backtrace"] } +humantime = "2" +humansize = "2" +sysinfo = { version = "0.29", default-features = false } +fs_extra = "1" +camino = "1" +reqwest = { version = "0.11", features = ["blocking"] } +zip = { version = "0.6", default-features = false, features = ["deflate"] } +tar = "0.4" +xz = "0.1" +serde = { version = "1", features = ["derive"] } +serde_json = "1" +glob = "0.3" diff --git a/src/tools/opt-dist/README.md b/src/tools/opt-dist/README.md new file mode 100644 index 00000000000..05a75870da1 --- /dev/null +++ b/src/tools/opt-dist/README.md @@ -0,0 +1,7 @@ +# Optimized build pipeline +This binary implements a heavily optimized build pipeline for `rustc` and `LLVM` artifacts that are used for both for +benchmarking using the perf. bot and for final distribution to users. + +It uses LTO, PGO and BOLT to optimize the compiler and LLVM as much as possible. +This logic is not part of bootstrap, because it needs to invoke bootstrap multiple times, force-rebuild various +artifacts repeatedly and sometimes go around bootstrap's cache mechanism. diff --git a/src/tools/opt-dist/src/environment/linux.rs b/src/tools/opt-dist/src/environment/linux.rs new file mode 100644 index 00000000000..d4c55c46f7c --- /dev/null +++ b/src/tools/opt-dist/src/environment/linux.rs @@ -0,0 +1,54 @@ +use crate::environment::Environment; +use crate::exec::cmd; +use crate::utils::io::copy_directory; +use camino::{Utf8Path, Utf8PathBuf}; + +pub(super) struct LinuxEnvironment; + +impl Environment for LinuxEnvironment { + fn python_binary(&self) -> &'static str { + "python3" + } + + fn checkout_path(&self) -> Utf8PathBuf { + Utf8PathBuf::from("/checkout") + } + + fn downloaded_llvm_dir(&self) -> Utf8PathBuf { + Utf8PathBuf::from("/rustroot") + } + + fn opt_artifacts(&self) -> Utf8PathBuf { + Utf8PathBuf::from("/tmp/tmp-multistage/opt-artifacts") + } + + fn build_root(&self) -> Utf8PathBuf { + self.checkout_path().join("obj") + } + + fn prepare_rustc_perf(&self) -> anyhow::Result<()> { + // /tmp/rustc-perf comes from the x64 dist Dockerfile + copy_directory(Utf8Path::new("/tmp/rustc-perf"), &self.rustc_perf_dir())?; + cmd(&[self.cargo_stage_0().as_str(), "build", "-p", "collector"]) + .workdir(&self.rustc_perf_dir()) + .env("RUSTC", &self.rustc_stage_0().into_string()) + .env("RUSTC_BOOTSTRAP", "1") + .run()?; + Ok(()) + } + + fn supports_bolt(&self) -> bool { + true + } + + fn executable_extension(&self) -> &'static str { + "" + } + + fn skipped_tests(&self) -> &'static [&'static str] { + &[ + // Fails because of linker errors, as of June 2023. + "tests/ui/process/nofile-limit.rs", + ] + } +} diff --git a/src/tools/opt-dist/src/environment/mod.rs b/src/tools/opt-dist/src/environment/mod.rs new file mode 100644 index 00000000000..f66b9ab41ea --- /dev/null +++ b/src/tools/opt-dist/src/environment/mod.rs @@ -0,0 +1,75 @@ +use camino::Utf8PathBuf; + +#[cfg(target_family = "unix")] +mod linux; +#[cfg(target_family = "windows")] +mod windows; + +pub trait Environment { + fn host_triple(&self) -> String { + std::env::var("PGO_HOST").expect("PGO_HOST environment variable missing") + } + + fn python_binary(&self) -> &'static str; + + /// The rustc checkout, where the compiler source is located. + fn checkout_path(&self) -> Utf8PathBuf; + + /// Path to the downloaded host LLVM. + fn downloaded_llvm_dir(&self) -> Utf8PathBuf; + + /// Directory where the optimization artifacts (PGO/BOLT profiles, etc.) + /// will be stored. + fn opt_artifacts(&self) -> Utf8PathBuf; + + /// The main directory where the build occurs. + fn build_root(&self) -> Utf8PathBuf; + + fn build_artifacts(&self) -> Utf8PathBuf { + self.build_root().join("build").join(self.host_triple()) + } + + fn cargo_stage_0(&self) -> Utf8PathBuf { + self.build_artifacts() + .join("stage0") + .join("bin") + .join(format!("cargo{}", self.executable_extension())) + } + + fn rustc_stage_0(&self) -> Utf8PathBuf { + self.build_artifacts() + .join("stage0") + .join("bin") + .join(format!("rustc{}", self.executable_extension())) + } + + fn rustc_stage_2(&self) -> Utf8PathBuf { + self.build_artifacts() + .join("stage2") + .join("bin") + .join(format!("rustc{}", self.executable_extension())) + } + + /// Path to the built rustc-perf benchmark suite. + fn rustc_perf_dir(&self) -> Utf8PathBuf { + self.opt_artifacts().join("rustc-perf") + } + + /// Download and/or compile rustc-perf. + fn prepare_rustc_perf(&self) -> anyhow::Result<()>; + + fn supports_bolt(&self) -> bool; + + /// What is the extension of binary executables in this environment? + fn executable_extension(&self) -> &'static str; + + /// List of test paths that should be skipped when testing the optimized artifacts. + fn skipped_tests(&self) -> &'static [&'static str]; +} + +pub fn create_environment() -> Box<dyn Environment> { + #[cfg(target_family = "unix")] + return Box::new(linux::LinuxEnvironment); + #[cfg(target_family = "windows")] + return Box::new(windows::WindowsEnvironment::new()); +} diff --git a/src/tools/opt-dist/src/environment/windows.rs b/src/tools/opt-dist/src/environment/windows.rs new file mode 100644 index 00000000000..36f4c0f29cc --- /dev/null +++ b/src/tools/opt-dist/src/environment/windows.rs @@ -0,0 +1,78 @@ +use crate::environment::Environment; +use crate::exec::cmd; +use crate::utils::io::move_directory; +use camino::Utf8PathBuf; +use std::io::Cursor; +use zip::ZipArchive; + +pub(super) struct WindowsEnvironment { + checkout_dir: Utf8PathBuf, +} + +impl WindowsEnvironment { + pub fn new() -> Self { + Self { checkout_dir: std::env::current_dir().unwrap().try_into().unwrap() } + } +} + +impl Environment for WindowsEnvironment { + fn python_binary(&self) -> &'static str { + "python" + } + + fn checkout_path(&self) -> Utf8PathBuf { + self.checkout_dir.clone() + } + + fn downloaded_llvm_dir(&self) -> Utf8PathBuf { + self.checkout_path().join("citools").join("clang-rust") + } + + fn opt_artifacts(&self) -> Utf8PathBuf { + self.checkout_path().join("opt-artifacts") + } + + fn build_root(&self) -> Utf8PathBuf { + self.checkout_path() + } + + fn prepare_rustc_perf(&self) -> anyhow::Result<()> { + // FIXME: add some mechanism for synchronization of this commit SHA with + // Linux (which builds rustc-perf in a Dockerfile) + // rustc-perf version from 2023-05-30 + const PERF_COMMIT: &str = "8b2ac3042e1ff2c0074455a0a3618adef97156b1"; + + let url = format!("https://github.com/rust-lang/rustc-perf/archive/{PERF_COMMIT}.zip"); + let response = reqwest::blocking::get(url)?.error_for_status()?.bytes()?.to_vec(); + + let mut archive = ZipArchive::new(Cursor::new(response))?; + archive.extract(self.rustc_perf_dir())?; + move_directory( + &self.rustc_perf_dir().join(format!("rustc-perf-{PERF_COMMIT}")), + &self.rustc_perf_dir(), + )?; + + cmd(&[self.cargo_stage_0().as_str(), "build", "-p", "collector"]) + .workdir(&self.rustc_perf_dir()) + .env("RUSTC", &self.rustc_stage_0().into_string()) + .env("RUSTC_BOOTSTRAP", "1") + .run()?; + + Ok(()) + } + + fn supports_bolt(&self) -> bool { + false + } + + fn executable_extension(&self) -> &'static str { + ".exe" + } + + fn skipped_tests(&self) -> &'static [&'static str] { + &[ + // Fails as of June 2023. + "tests\\codegen\\vec-shrink-panik.rs", + ] + } +} diff --git a/src/tools/opt-dist/src/exec.rs b/src/tools/opt-dist/src/exec.rs new file mode 100644 index 00000000000..d05ddbd4c0e --- /dev/null +++ b/src/tools/opt-dist/src/exec.rs @@ -0,0 +1,169 @@ +use crate::environment::Environment; +use crate::metrics::{load_metrics, record_metrics}; +use crate::timer::TimerSection; +use crate::training::{LlvmBoltProfile, LlvmPGOProfile, RustcPGOProfile}; +use camino::{Utf8Path, Utf8PathBuf}; +use std::collections::BTreeMap; +use std::fs::File; +use std::process::{Command, Stdio}; + +#[derive(Default)] +pub struct CmdBuilder { + args: Vec<String>, + env: BTreeMap<String, String>, + workdir: Option<Utf8PathBuf>, + output: Option<Utf8PathBuf>, +} + +impl CmdBuilder { + pub fn arg(mut self, arg: &str) -> Self { + self.args.push(arg.to_string()); + self + } + + pub fn env(mut self, name: &str, value: &str) -> Self { + self.env.insert(name.to_string(), value.to_string()); + self + } + + pub fn workdir(mut self, path: &Utf8Path) -> Self { + self.workdir = Some(path.to_path_buf()); + self + } + + pub fn redirect_output(mut self, path: Utf8PathBuf) -> Self { + self.output = Some(path); + self + } + + pub fn run(self) -> anyhow::Result<()> { + let mut cmd_str = String::new(); + cmd_str.push_str( + &self + .env + .iter() + .map(|(key, value)| format!("{key}={value}")) + .collect::<Vec<_>>() + .join(" "), + ); + if !self.env.is_empty() { + cmd_str.push(' '); + } + cmd_str.push_str(&self.args.join(" ")); + if let Some(ref path) = self.output { + cmd_str.push_str(&format!(" > {path:?}")); + } + cmd_str.push_str(&format!( + " [at {}]", + self.workdir + .clone() + .unwrap_or_else(|| std::env::current_dir().unwrap().try_into().unwrap()) + )); + log::info!("Executing `{cmd_str}`"); + + let mut cmd = Command::new(&self.args[0]); + cmd.stdin(Stdio::null()); + cmd.args(self.args.iter().skip(1)); + for (key, value) in &self.env { + cmd.env(key, value); + } + if let Some(ref output) = self.output { + cmd.stdout(File::create(output.clone().into_std_path_buf())?); + } + if let Some(ref workdir) = self.workdir { + cmd.current_dir(workdir.clone().into_std_path_buf()); + } + let exit_status = cmd.spawn()?.wait()?; + if !exit_status.success() { + Err(anyhow::anyhow!( + "Command {cmd_str} has failed with exit code {:?}", + exit_status.code(), + )) + } else { + Ok(()) + } + } +} + +pub fn cmd(args: &[&str]) -> CmdBuilder { + assert!(!args.is_empty()); + CmdBuilder { args: args.iter().map(|s| s.to_string()).collect(), ..Default::default() } +} + +pub struct Bootstrap { + cmd: CmdBuilder, + metrics_path: Utf8PathBuf, +} + +impl Bootstrap { + pub fn build(env: &dyn Environment) -> Self { + let metrics_path = env.build_root().join("build").join("metrics.json"); + let cmd = cmd(&[ + env.python_binary(), + env.checkout_path().join("x.py").as_str(), + "build", + "--target", + &env.host_triple(), + "--host", + &env.host_triple(), + "--stage", + "2", + "library/std", + ]) + .env("RUST_BACKTRACE", "full"); + Self { cmd, metrics_path } + } + + pub fn dist(env: &dyn Environment, dist_args: &[String]) -> Self { + let metrics_path = env.build_root().join("build").join("metrics.json"); + let cmd = cmd(&dist_args.iter().map(|arg| arg.as_str()).collect::<Vec<_>>()) + .env("RUST_BACKTRACE", "full"); + Self { cmd, metrics_path } + } + + pub fn llvm_pgo_instrument(mut self, profile_dir: &Utf8Path) -> Self { + self.cmd = self + .cmd + .arg("--llvm-profile-generate") + .env("LLVM_PROFILE_DIR", profile_dir.join("prof-%p").as_str()); + self + } + + pub fn llvm_pgo_optimize(mut self, profile: &LlvmPGOProfile) -> Self { + self.cmd = self.cmd.arg("--llvm-profile-use").arg(profile.0.as_str()); + self + } + + pub fn rustc_pgo_instrument(mut self, profile_dir: &Utf8Path) -> Self { + self.cmd = self.cmd.arg("--rust-profile-generate").arg(profile_dir.as_str()); + self + } + + pub fn rustc_pgo_optimize(mut self, profile: &RustcPGOProfile) -> Self { + self.cmd = self.cmd.arg("--rust-profile-use").arg(profile.0.as_str()); + self + } + + pub fn llvm_bolt_instrument(mut self) -> Self { + self.cmd = self.cmd.arg("--llvm-bolt-profile-generate"); + self + } + + pub fn llvm_bolt_optimize(mut self, profile: &LlvmBoltProfile) -> Self { + self.cmd = self.cmd.arg("--llvm-bolt-profile-use").arg(profile.0.as_str()); + self + } + + /// Do not rebuild rustc, and use a previously built rustc sysroot instead. + pub fn avoid_rustc_rebuild(mut self) -> Self { + self.cmd = self.cmd.arg("--keep-stage").arg("0").arg("--keep-stage").arg("1"); + self + } + + pub fn run(self, timer: &mut TimerSection) -> anyhow::Result<()> { + self.cmd.run()?; + let metrics = load_metrics(&self.metrics_path)?; + record_metrics(&metrics, timer); + Ok(()) + } +} diff --git a/src/tools/opt-dist/src/main.rs b/src/tools/opt-dist/src/main.rs new file mode 100644 index 00000000000..39fa7e1fb2a --- /dev/null +++ b/src/tools/opt-dist/src/main.rs @@ -0,0 +1,175 @@ +use anyhow::Context; +use log::LevelFilter; + +use crate::environment::{create_environment, Environment}; +use crate::exec::Bootstrap; +use crate::tests::run_tests; +use crate::timer::Timer; +use crate::training::{gather_llvm_bolt_profiles, gather_llvm_profiles, gather_rustc_profiles}; +use crate::utils::io::reset_directory; +use crate::utils::{clear_llvm_files, format_env_variables, print_free_disk_space}; + +mod environment; +mod exec; +mod metrics; +mod tests; +mod timer; +mod training; +mod utils; + +fn is_try_build() -> bool { + std::env::var("DIST_TRY_BUILD").unwrap_or_else(|_| "0".to_string()) != "0" +} + +fn execute_pipeline( + env: &dyn Environment, + timer: &mut Timer, + dist_args: Vec<String>, +) -> anyhow::Result<()> { + reset_directory(&env.opt_artifacts())?; + env.prepare_rustc_perf()?; + + // Stage 1: Build PGO instrumented rustc + // We use a normal build of LLVM, because gathering PGO profiles for LLVM and `rustc` at the + // same time can cause issues, because the host and in-tree LLVM versions can diverge. + let rustc_pgo_profile = timer.section("Stage 1 (Rustc PGO)", |stage| { + let rustc_profile_dir_root = env.opt_artifacts().join("rustc-pgo"); + + stage.section("Build PGO instrumented rustc and LLVM", |section| { + Bootstrap::build(env).rustc_pgo_instrument(&rustc_profile_dir_root).run(section) + })?; + + let profile = stage + .section("Gather profiles", |_| gather_rustc_profiles(env, &rustc_profile_dir_root))?; + print_free_disk_space()?; + + stage.section("Build PGO optimized rustc", |section| { + Bootstrap::build(env).rustc_pgo_optimize(&profile).run(section) + })?; + + Ok(profile) + })?; + + // Stage 2: Gather LLVM PGO profiles + // Here we build a PGO instrumented LLVM, reusing the previously PGO optimized rustc. + // Then we use the instrumented LLVM to gather LLVM PGO profiles. + let llvm_pgo_profile = timer.section("Stage 2 (LLVM PGO)", |stage| { + // Remove the previous, uninstrumented build of LLVM. + clear_llvm_files(env)?; + + let llvm_profile_dir_root = env.opt_artifacts().join("llvm-pgo"); + + stage.section("Build PGO instrumented LLVM", |section| { + Bootstrap::build(env) + .llvm_pgo_instrument(&llvm_profile_dir_root) + .avoid_rustc_rebuild() + .run(section) + })?; + + let profile = stage + .section("Gather profiles", |_| gather_llvm_profiles(env, &llvm_profile_dir_root))?; + + print_free_disk_space()?; + + // Proactively delete the instrumented artifacts, to avoid using them by accident in + // follow-up stages. + clear_llvm_files(env)?; + + Ok(profile) + })?; + + let llvm_bolt_profile = if env.supports_bolt() { + // Stage 3: Build BOLT instrumented LLVM + // We build a PGO optimized LLVM in this step, then instrument it with BOLT and gather BOLT profiles. + // Note that we don't remove LLVM artifacts after this step, so that they are reused in the final dist build. + // BOLT instrumentation is performed "on-the-fly" when the LLVM library is copied to the sysroot of rustc, + // therefore the LLVM artifacts on disk are not "tainted" with BOLT instrumentation and they can be reused. + timer.section("Stage 3 (LLVM BOLT)", |stage| { + stage.section("Build BOLT instrumented LLVM", |stage| { + Bootstrap::build(env) + .llvm_bolt_instrument() + .llvm_pgo_optimize(&llvm_pgo_profile) + .avoid_rustc_rebuild() + .run(stage) + })?; + + let profile = stage.section("Gather profiles", |_| gather_llvm_bolt_profiles(env))?; + print_free_disk_space()?; + + // LLVM is not being cleared here, we want to reuse the previous PGO-optimized build + + Ok(Some(profile)) + })? + } else { + None + }; + + let mut dist = Bootstrap::dist(env, &dist_args) + .llvm_pgo_optimize(&llvm_pgo_profile) + .rustc_pgo_optimize(&rustc_pgo_profile) + .avoid_rustc_rebuild(); + + if let Some(llvm_bolt_profile) = llvm_bolt_profile { + dist = dist.llvm_bolt_optimize(&llvm_bolt_profile); + } + + // Final stage: Assemble the dist artifacts + // The previous PGO optimized rustc build and PGO optimized LLVM builds should be reused. + timer.section("Stage 4 (final build)", |stage| dist.run(stage))?; + + // After dist has finished, run a subset of the test suite on the optimized artifacts to discover + // possible regressions. + // The tests are not executed for try builds, which can be in various broken states, so we don't + // want to gatekeep them with tests. + if !is_try_build() { + timer.section("Run tests", |_| run_tests(env))?; + } + + Ok(()) +} + +fn main() -> anyhow::Result<()> { + // Make sure that we get backtraces for easier debugging in CI + std::env::set_var("RUST_BACKTRACE", "1"); + + env_logger::builder() + .filter_level(LevelFilter::Info) + .format_timestamp_millis() + .parse_default_env() + .init(); + + let mut build_args: Vec<String> = std::env::args().skip(1).collect(); + log::info!("Running optimized build pipeline with args `{}`", build_args.join(" ")); + log::info!("Environment values\n{}", format_env_variables()); + + if let Ok(config) = std::fs::read_to_string("config.toml") { + log::info!("Contents of `config.toml`:\n{config}"); + } + + // Skip components that are not needed for try builds to speed them up + if is_try_build() { + log::info!("Skipping building of unimportant components for a try build"); + for target in [ + "rust-docs", + "rustc-docs", + "rust-docs-json", + "rust-analyzer", + "rustc-src", + "clippy", + "miri", + "rustfmt", + ] { + build_args.extend(["--exclude".to_string(), target.to_string()]); + } + } + + let mut timer = Timer::new(); + let env = create_environment(); + + let result = execute_pipeline(env.as_ref(), &mut timer, build_args); + log::info!("Timer results\n{}", timer.format_stats()); + + print_free_disk_space()?; + + result.context("Optimized build pipeline has failed") +} diff --git a/src/tools/opt-dist/src/metrics.rs b/src/tools/opt-dist/src/metrics.rs new file mode 100644 index 00000000000..cabe07eda32 --- /dev/null +++ b/src/tools/opt-dist/src/metrics.rs @@ -0,0 +1,106 @@ +use crate::timer::TimerSection; +use build_helper::metrics::{JsonNode, JsonRoot}; +use camino::Utf8Path; +use std::time::Duration; + +#[derive(Clone, Debug)] +pub struct BuildStep { + r#type: String, + children: Vec<BuildStep>, + duration: Duration, +} + +impl BuildStep { + pub fn find_all_by_type(&self, r#type: &str) -> Vec<&BuildStep> { + let mut result = Vec::new(); + self.find_by_type(r#type, &mut result); + result + } + fn find_by_type<'a>(&'a self, r#type: &str, result: &mut Vec<&'a BuildStep>) { + if self.r#type == r#type { + result.push(self); + } + for child in &self.children { + child.find_by_type(r#type, result); + } + } +} + +/// Loads the metrics of the most recent bootstrap execution from a metrics.json file. +pub fn load_metrics(path: &Utf8Path) -> anyhow::Result<BuildStep> { + let content = std::fs::read(path.as_std_path())?; + let mut metrics = serde_json::from_slice::<JsonRoot>(&content)?; + let invocation = metrics + .invocations + .pop() + .ok_or_else(|| anyhow::anyhow!("No bootstrap invocation found in metrics file"))?; + + fn parse(node: JsonNode) -> Option<BuildStep> { + match node { + JsonNode::RustbuildStep { + type_: kind, + children, + duration_excluding_children_sec, + .. + } => { + let children: Vec<_> = children.into_iter().filter_map(parse).collect(); + let children_duration = children.iter().map(|c| c.duration).sum::<Duration>(); + Some(BuildStep { + r#type: kind.to_string(), + children, + duration: children_duration + + Duration::from_secs_f64(duration_excluding_children_sec), + }) + } + JsonNode::TestSuite(_) => None, + } + } + + let duration = Duration::from_secs_f64(invocation.duration_including_children_sec); + let children: Vec<_> = invocation.children.into_iter().filter_map(parse).collect(); + Ok(BuildStep { r#type: "root".to_string(), children, duration }) +} + +/// Logs the individual metrics in a table and add Rustc and LLVM durations to the passed +/// timer. +pub fn record_metrics(metrics: &BuildStep, timer: &mut TimerSection) { + let llvm_steps = metrics.find_all_by_type("bootstrap::llvm::Llvm"); + let llvm_duration: Duration = llvm_steps.into_iter().map(|s| s.duration).sum(); + + let rustc_steps = metrics.find_all_by_type("bootstrap::compile::Rustc"); + let rustc_duration: Duration = rustc_steps.into_iter().map(|s| s.duration).sum(); + + // The LLVM step is part of the Rustc step + let rustc_duration = rustc_duration.saturating_sub(llvm_duration); + + if !llvm_duration.is_zero() { + timer.add_duration("LLVM", llvm_duration); + } + if !rustc_duration.is_zero() { + timer.add_duration("Rustc", rustc_duration); + } + + log_metrics(metrics); +} + +fn log_metrics(metrics: &BuildStep) { + use std::fmt::Write; + + let mut substeps: Vec<(u32, &BuildStep)> = Vec::new(); + + fn visit<'a>(step: &'a BuildStep, level: u32, substeps: &mut Vec<(u32, &'a BuildStep)>) { + substeps.push((level, step)); + for child in &step.children { + visit(child, level + 1, substeps); + } + } + + visit(metrics, 0, &mut substeps); + + let mut output = String::new(); + for (level, step) in substeps { + let label = format!("{}{}", ".".repeat(level as usize), step.r#type); + writeln!(output, "{label:<65}{:>8.2}s", step.duration.as_secs_f64()).unwrap(); + } + log::info!("Build step durations\n{output}"); +} diff --git a/src/tools/opt-dist/src/tests.rs b/src/tools/opt-dist/src/tests.rs new file mode 100644 index 00000000000..6b35b13e586 --- /dev/null +++ b/src/tools/opt-dist/src/tests.rs @@ -0,0 +1,101 @@ +use crate::environment::Environment; +use crate::exec::cmd; +use crate::utils::io::{copy_directory, unpack_archive}; +use anyhow::Context; +use camino::Utf8PathBuf; + +/// Run tests on optimized dist artifacts. +pub fn run_tests(env: &dyn Environment) -> anyhow::Result<()> { + // After `dist` is executed, we extract its archived components into a sysroot directory, + // and then use that extracted rustc as a stage0 compiler. + // Then we run a subset of tests using that compiler, to have a basic smoke test which checks + // whether the optimization pipeline hasn't broken something. + let build_dir = env.build_root().join("build"); + let dist_dir = build_dir.join("dist"); + let unpacked_dist_dir = build_dir.join("unpacked-dist"); + std::fs::create_dir_all(&unpacked_dist_dir)?; + + let extract_dist_dir = |name: &str| -> anyhow::Result<Utf8PathBuf> { + unpack_archive(&dist_dir.join(format!("{name}.tar.xz")), &unpacked_dist_dir)?; + let extracted_path = unpacked_dist_dir.join(name); + assert!(extracted_path.is_dir()); + Ok(extracted_path) + }; + let host_triple = env.host_triple(); + + // Extract rustc, libstd, cargo and src archives to create the optimized sysroot + let rustc_dir = extract_dist_dir(&format!("rustc-nightly-{host_triple}"))?.join("rustc"); + let libstd_dir = extract_dist_dir(&format!("rust-std-nightly-{host_triple}"))? + .join(format!("rust-std-{host_triple}")); + let cargo_dir = extract_dist_dir(&format!("cargo-nightly-{host_triple}"))?.join("cargo"); + let extracted_src_dir = extract_dist_dir("rust-src-nightly")?.join("rust-src"); + + // We need to manually copy libstd to the extracted rustc sysroot + copy_directory( + &libstd_dir.join("lib").join("rustlib").join(&host_triple).join("lib"), + &rustc_dir.join("lib").join("rustlib").join(&host_triple).join("lib"), + )?; + + // Extract sources - they aren't in the `rustc-nightly-{host}` tarball, so we need to manually copy libstd + // sources to the extracted sysroot. We need sources available so that `-Zsimulate-remapped-rust-src-base` + // works correctly. + copy_directory( + &extracted_src_dir.join("lib").join("rustlib").join("src"), + &rustc_dir.join("lib").join("rustlib").join("src"), + )?; + + let rustc_path = rustc_dir.join("bin").join(format!("rustc{}", env.executable_extension())); + assert!(rustc_path.is_file()); + let cargo_path = cargo_dir.join("bin").join(format!("cargo{}", env.executable_extension())); + assert!(cargo_path.is_file()); + + // Specify path to a LLVM config so that LLVM is not rebuilt. + // It doesn't really matter which LLVM config we choose, because no sysroot will be compiled. + let llvm_config = env + .build_artifacts() + .join("llvm") + .join("bin") + .join(format!("llvm-config{}", env.executable_extension())); + assert!(llvm_config.is_file()); + + let config_content = format!( + r#"profile = "user" +changelog-seen = 2 + +[build] +rustc = "{rustc}" +cargo = "{cargo}" + +[target.{host_triple}] +llvm-config = "{llvm_config}" +"#, + rustc = rustc_path.to_string().replace('\\', "/"), + cargo = cargo_path.to_string().replace('\\', "/"), + llvm_config = llvm_config.to_string().replace('\\', "/") + ); + log::info!("Using following `config.toml` for running tests:\n{config_content}"); + + // Simulate a stage 0 compiler with the extracted optimized dist artifacts. + std::fs::write("config.toml", config_content)?; + + let x_py = env.checkout_path().join("x.py"); + let mut args = vec![ + env.python_binary(), + x_py.as_str(), + "test", + "--stage", + "0", + "tests/assembly", + "tests/codegen", + "tests/codegen-units", + "tests/incremental", + "tests/mir-opt", + "tests/pretty", + "tests/run-pass-valgrind", + "tests/ui", + ]; + for test_path in env.skipped_tests() { + args.extend(["--exclude", test_path]); + } + cmd(&args).env("COMPILETEST_FORCE_STAGE0", "1").run().context("Cannot execute tests") +} diff --git a/src/tools/opt-dist/src/timer.rs b/src/tools/opt-dist/src/timer.rs new file mode 100644 index 00000000000..2b29ba8d59f --- /dev/null +++ b/src/tools/opt-dist/src/timer.rs @@ -0,0 +1,167 @@ +use std::ops::{Deref, DerefMut}; +use std::time::{Duration, SystemTime}; + +pub struct Timer { + root: TimerSection, +} + +impl Timer { + pub fn new() -> Self { + Timer { root: TimerSection::new(None) } + } + + pub fn format_stats(&self) -> String { + use std::fmt::Write; + + let mut items = Vec::new(); + for (name, child) in &self.root.children { + match child { + SectionEntry::SubSection(section) => { + section.collect_levels(0, name, &mut items); + } + SectionEntry::Duration(duration) => items.push((0, name, *duration)), + } + } + + let rows: Vec<(String, Duration)> = items + .into_iter() + .map(|(level, name, duration)| (format!("{}{name}:", " ".repeat(level)), duration)) + .collect(); + + let total_duration = self.total_duration(); + let total_duration_label = "Total duration:".to_string(); + + const SPACE_AFTER_LABEL: usize = 2; + let max_label_length = 16.max(rows.iter().map(|(label, _)| label.len()).max().unwrap_or(0)) + + SPACE_AFTER_LABEL; + + let table_width = max_label_length + 23; + let divider = "-".repeat(table_width); + + let mut output = String::new(); + writeln!(output, "{divider}").unwrap(); + for (label, duration) in rows { + let pct = (duration.as_millis() as f64 / total_duration.as_millis() as f64) * 100.0; + let duration_fmt = format!("{:>12.2}s ({pct:>5.2}%)", duration.as_secs_f64()); + writeln!(output, "{label:<0$} {duration_fmt}", max_label_length).unwrap(); + } + output.push('\n'); + + let total_duration = Duration::new(total_duration.as_secs(), 0); + let total_duration = format!( + "{:>1$}", + humantime::format_duration(total_duration).to_string(), + table_width - total_duration_label.len() + ); + writeln!(output, "{total_duration_label}{total_duration}").unwrap(); + + writeln!(output, "{divider}").unwrap(); + output + } +} + +impl Deref for Timer { + type Target = TimerSection; + + fn deref(&self) -> &Self::Target { + &self.root + } +} + +impl DerefMut for Timer { + fn deref_mut(&mut self) -> &mut Self::Target { + &mut self.root + } +} + +pub struct TimerSection { + name: Option<String>, + children: Vec<(String, SectionEntry)>, + duration_excluding_children: Duration, +} + +impl TimerSection { + pub fn new(name: Option<String>) -> Self { + TimerSection { + name, + children: Default::default(), + duration_excluding_children: Duration::ZERO, + } + } + + pub fn section<F: FnOnce(&mut TimerSection) -> anyhow::Result<R>, R>( + &mut self, + name: &str, + func: F, + ) -> anyhow::Result<R> { + let full_name = match &self.name { + Some(current_name) => { + format!("{current_name} > {name}") + } + None => name.to_string(), + }; + log::info!("Section `{full_name}` starts"); + let mut child = TimerSection { + name: Some(full_name.clone()), + children: Default::default(), + duration_excluding_children: Duration::ZERO, + }; + + let start = SystemTime::now(); + let result = func(&mut child); + let duration = start.elapsed().unwrap(); + + let msg = match result { + Ok(_) => "OK", + Err(_) => "FAIL", + }; + + child.duration_excluding_children = duration.saturating_sub(child.total_duration()); + + log::info!("Section `{full_name}` ended: {msg} ({:.2}s)`", duration.as_secs_f64()); + self.children.push((name.to_string(), SectionEntry::SubSection(child))); + result + } + + pub fn add_duration(&mut self, name: &str, duration: Duration) { + self.children.push((name.to_string(), SectionEntry::Duration(duration))); + } + + fn total_duration(&self) -> Duration { + self.duration_excluding_children + + self.children.iter().map(|(_, child)| child.total_duration()).sum::<Duration>() + } + + fn collect_levels<'a>( + &'a self, + level: usize, + name: &'a str, + items: &mut Vec<(usize, &'a str, Duration)>, + ) { + items.push((level, name, self.total_duration())); + for (name, child) in &self.children { + match &child { + SectionEntry::Duration(duration) => { + items.push((level + 1, name, *duration)); + } + SectionEntry::SubSection(section) => { + section.collect_levels(level + 1, name, items); + } + } + } + } +} + +enum SectionEntry { + Duration(Duration), + SubSection(TimerSection), +} + +impl SectionEntry { + fn total_duration(&self) -> Duration { + match self { + SectionEntry::Duration(duration) => *duration, + SectionEntry::SubSection(timer) => timer.total_duration(), + } + } +} diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs new file mode 100644 index 00000000000..10f4a603695 --- /dev/null +++ b/src/tools/opt-dist/src/training.rs @@ -0,0 +1,202 @@ +use crate::environment::Environment; +use crate::exec::{cmd, CmdBuilder}; +use crate::utils::io::{count_files, delete_directory}; +use anyhow::Context; +use camino::{Utf8Path, Utf8PathBuf}; +use humansize::BINARY; + +const LLVM_PGO_CRATES: &[&str] = &[ + "syn-1.0.89", + "cargo-0.60.0", + "serde-1.0.136", + "ripgrep-13.0.0", + "regex-1.5.5", + "clap-3.1.6", + "hyper-0.14.18", +]; + +const RUSTC_PGO_CRATES: &[&str] = &[ + "externs", + "ctfe-stress-5", + "cargo-0.60.0", + "token-stream-stress", + "match-stress", + "tuple-stress", + "diesel-1.4.8", + "bitmaps-3.1.0", +]; + +const LLVM_BOLT_CRATES: &[&str] = LLVM_PGO_CRATES; + +fn init_compiler_benchmarks( + env: &dyn Environment, + profiles: &[&str], + scenarios: &[&str], + crates: &[&str], +) -> CmdBuilder { + // Run rustc-perf benchmarks + // Benchmark using profile_local with eprintln, which essentially just means + // don't actually benchmark -- just make sure we run rustc a bunch of times. + cmd(&[ + env.cargo_stage_0().as_str(), + "run", + "-p", + "collector", + "--bin", + "collector", + "--", + "profile_local", + "eprintln", + env.rustc_stage_2().as_str(), + "--id", + "Test", + "--cargo", + env.cargo_stage_0().as_str(), + "--profiles", + profiles.join(",").as_str(), + "--scenarios", + scenarios.join(",").as_str(), + "--include", + crates.join(",").as_str(), + ]) + .env("RUST_LOG", "collector=debug") + .env("RUSTC", env.rustc_stage_0().as_str()) + .env("RUSTC_BOOTSTRAP", "1") + .workdir(&env.rustc_perf_dir()) +} + +fn merge_llvm_profiles( + env: &dyn Environment, + merged_path: &Utf8Path, + profile_dir: &Utf8Path, +) -> anyhow::Result<()> { + cmd(&[ + env.downloaded_llvm_dir().join("bin/llvm-profdata").as_str(), + "merge", + "-o", + merged_path.as_str(), + profile_dir.as_str(), + ]) + .run() + .context("Cannot merge LLVM profiles")?; + Ok(()) +} + +fn log_profile_stats( + name: &str, + merged_profile: &Utf8Path, + profile_root: &Utf8Path, +) -> anyhow::Result<()> { + log::info!("{name} PGO statistics"); + log::info!( + "{merged_profile}: {}", + humansize::format_size(std::fs::metadata(merged_profile.as_std_path())?.len(), BINARY) + ); + log::info!( + "{profile_root}: {}", + humansize::format_size(fs_extra::dir::get_size(profile_root.as_std_path())?, BINARY) + ); + log::info!("Profile file count: {}", count_files(profile_root)?); + Ok(()) +} + +pub struct LlvmPGOProfile(pub Utf8PathBuf); + +pub fn gather_llvm_profiles( + env: &dyn Environment, + profile_root: &Utf8Path, +) -> anyhow::Result<LlvmPGOProfile> { + log::info!("Running benchmarks with PGO instrumented LLVM"); + + init_compiler_benchmarks(env, &["Debug", "Opt"], &["Full"], LLVM_PGO_CRATES) + .run() + .context("Cannot gather LLVM PGO profiles")?; + + let merged_profile = env.opt_artifacts().join("llvm-pgo.profdata"); + log::info!("Merging LLVM PGO profiles to {merged_profile}"); + + merge_llvm_profiles(env, &merged_profile, profile_root)?; + log_profile_stats("LLVM", &merged_profile, profile_root)?; + + // We don't need the individual .profraw files now that they have been merged + // into a final .profdata + delete_directory(profile_root)?; + + Ok(LlvmPGOProfile(merged_profile)) +} + +pub struct RustcPGOProfile(pub Utf8PathBuf); + +pub fn gather_rustc_profiles( + env: &dyn Environment, + profile_root: &Utf8Path, +) -> anyhow::Result<RustcPGOProfile> { + log::info!("Running benchmarks with PGO instrumented rustc"); + + // The profile data is written into a single filepath that is being repeatedly merged when each + // rustc invocation ends. Empirically, this can result in some profiling data being lost. That's + // why we override the profile path to include the PID. This will produce many more profiling + // files, but the resulting profile will produce a slightly faster rustc binary. + let profile_template = profile_root.join("default_%m_%p.profraw"); + + // Here we're profiling the `rustc` frontend, so we also include `Check`. + // The benchmark set includes various stress tests that put the frontend under pressure. + init_compiler_benchmarks(env, &["Check", "Debug", "Opt"], &["All"], RUSTC_PGO_CRATES) + .env("LLVM_PROFILE_FILE", profile_template.as_str()) + .run() + .context("Cannot gather rustc PGO profiles")?; + + let merged_profile = env.opt_artifacts().join("rustc-pgo.profdata"); + log::info!("Merging Rustc PGO profiles to {merged_profile}"); + + merge_llvm_profiles(env, &merged_profile, profile_root)?; + log_profile_stats("Rustc", &merged_profile, profile_root)?; + + // We don't need the individual .profraw files now that they have been merged + // into a final .profdata + delete_directory(profile_root)?; + + Ok(RustcPGOProfile(merged_profile)) +} + +pub struct LlvmBoltProfile(pub Utf8PathBuf); + +pub fn gather_llvm_bolt_profiles(env: &dyn Environment) -> anyhow::Result<LlvmBoltProfile> { + log::info!("Running benchmarks with BOLT instrumented LLVM"); + + init_compiler_benchmarks(env, &["Check", "Debug", "Opt"], &["Full"], LLVM_BOLT_CRATES) + .run() + .context("Cannot gather LLVM BOLT profiles")?; + + let merged_profile = env.opt_artifacts().join("bolt.profdata"); + let profile_root = Utf8PathBuf::from("/tmp/prof.fdata"); + log::info!("Merging LLVM BOLT profiles to {merged_profile}"); + + let profiles: Vec<_> = + glob::glob(&format!("{profile_root}*"))?.into_iter().collect::<Result<Vec<_>, _>>()?; + + let mut merge_args = vec!["merge-fdata"]; + merge_args.extend(profiles.iter().map(|p| p.to_str().unwrap())); + + cmd(&merge_args) + .redirect_output(merged_profile.clone()) + .run() + .context("Cannot merge BOLT profiles")?; + + log::info!("LLVM BOLT statistics"); + log::info!( + "{merged_profile}: {}", + humansize::format_size(std::fs::metadata(merged_profile.as_std_path())?.len(), BINARY) + ); + + let size = profiles + .iter() + .map(|p| std::fs::metadata(p).map(|metadata| metadata.len())) + .collect::<Result<Vec<_>, _>>()? + .into_iter() + .sum::<u64>(); + log::info!("{profile_root}: {}", humansize::format_size(size, BINARY)); + log::info!("Profile file count: {}", profiles.len()); + + Ok(LlvmBoltProfile(merged_profile)) +} diff --git a/src/tools/opt-dist/src/utils/io.rs b/src/tools/opt-dist/src/utils/io.rs new file mode 100644 index 00000000000..43546e5fcfa --- /dev/null +++ b/src/tools/opt-dist/src/utils/io.rs @@ -0,0 +1,48 @@ +use anyhow::Context; +use camino::Utf8Path; +use fs_extra::dir::CopyOptions; +use std::fs::File; + +/// Delete and re-create the directory. +pub fn reset_directory(path: &Utf8Path) -> anyhow::Result<()> { + log::info!("Resetting directory {path}"); + let _ = std::fs::remove_dir(path); + std::fs::create_dir_all(path)?; + Ok(()) +} + +pub fn copy_directory(src: &Utf8Path, dst: &Utf8Path) -> anyhow::Result<()> { + log::info!("Copying directory {src} to {dst}"); + fs_extra::dir::copy(src, dst, &CopyOptions::default().copy_inside(true))?; + Ok(()) +} + +#[allow(unused)] +pub fn move_directory(src: &Utf8Path, dst: &Utf8Path) -> anyhow::Result<()> { + log::info!("Moving directory {src} to {dst}"); + fs_extra::dir::move_dir(src, dst, &CopyOptions::default().content_only(true))?; + Ok(()) +} + +/// Counts all children of a directory (non-recursively). +pub fn count_files(dir: &Utf8Path) -> anyhow::Result<u64> { + Ok(std::fs::read_dir(dir)?.count() as u64) +} + +pub fn delete_directory(path: &Utf8Path) -> anyhow::Result<()> { + log::info!("Deleting directory `{path}`"); + std::fs::remove_dir_all(path.as_std_path()) + .context(format!("Cannot remove directory {path}"))?; + Ok(()) +} + +pub fn unpack_archive(path: &Utf8Path, dest_dir: &Utf8Path) -> anyhow::Result<()> { + log::info!("Unpacking directory `{path}` into `{dest_dir}`"); + + assert!(path.as_str().ends_with(".tar.xz")); + let file = File::open(path.as_std_path())?; + let file = xz::read::XzDecoder::new(file); + let mut archive = tar::Archive::new(file); + archive.unpack(dest_dir.as_std_path())?; + Ok(()) +} diff --git a/src/tools/opt-dist/src/utils/mod.rs b/src/tools/opt-dist/src/utils/mod.rs new file mode 100644 index 00000000000..9305d4989aa --- /dev/null +++ b/src/tools/opt-dist/src/utils/mod.rs @@ -0,0 +1,36 @@ +pub mod io; + +use crate::environment::Environment; +use crate::utils::io::delete_directory; +use humansize::BINARY; +use sysinfo::{DiskExt, RefreshKind, System, SystemExt}; + +pub fn format_env_variables() -> String { + let vars = std::env::vars().map(|(key, value)| format!("{key}={value}")).collect::<Vec<_>>(); + vars.join("\n") +} + +pub fn print_free_disk_space() -> anyhow::Result<()> { + let sys = System::new_with_specifics(RefreshKind::default().with_disks_list().with_disks()); + let available_space: u64 = sys.disks().iter().map(|d| d.available_space()).sum(); + let total_space: u64 = sys.disks().iter().map(|d| d.total_space()).sum(); + let used_space = total_space - available_space; + + log::info!( + "Free disk space: {} out of total {} ({:.2}% used)", + humansize::format_size(available_space, BINARY), + humansize::format_size(total_space, BINARY), + (used_space as f64 / total_space as f64) * 100.0 + ); + Ok(()) +} + +pub fn clear_llvm_files(env: &dyn Environment) -> anyhow::Result<()> { + // Bootstrap currently doesn't support rebuilding LLVM when PGO options + // change (or any other llvm-related options); so just clear out the relevant + // directories ourselves. + log::info!("Clearing LLVM build files"); + delete_directory(&env.build_artifacts().join("llvm"))?; + delete_directory(&env.build_artifacts().join("lld"))?; + Ok(()) +} diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index ecc84c1618c..2c237c418b1 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -40,10 +40,12 @@ const EXCEPTIONS: &[(&str, &str)] = &[ ("ar_archive_writer", "Apache-2.0 WITH LLVM-exception"), // rustc ("colored", "MPL-2.0"), // rustfmt ("dissimilar", "Apache-2.0"), // rustdoc, rustc_lexer (few tests) via expect-test, (dev deps) + ("encoding_rs", "(Apache-2.0 OR MIT) AND BSD-3-Clause"), // opt-dist ("fluent-langneg", "Apache-2.0"), // rustc (fluent translations) ("fortanix-sgx-abi", "MPL-2.0"), // libstd but only for `sgx` target. FIXME: this dependency violates the documentation comment above. ("instant", "BSD-3-Clause"), // rustc_driver/tracing-subscriber/parking_lot ("mdbook", "MPL-2.0"), // mdbook + ("openssl", "Apache-2.0"), // opt-dist ("ryu", "Apache-2.0 OR BSL-1.0"), // cargo/... (because of serde) ("self_cell", "Apache-2.0"), // rustc (fluent translations) ("snap", "BSD-3-Clause"), // rustc @@ -142,6 +144,8 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "elsa", "ena", "equivalent", + "errno", + "errno-dragonfly", "expect-test", "fallible-iterator", // dependency of `thorin` "fastrand", diff --git a/src/tools/tidy/src/pal.rs b/src/tools/tidy/src/pal.rs index 5009b233542..62c070221dc 100644 --- a/src/tools/tidy/src/pal.rs +++ b/src/tools/tidy/src/pal.rs @@ -53,8 +53,6 @@ const EXCEPTION_PATHS: &[&str] = &[ // FIXME: platform-specific code should be moved to `sys` "library/std/src/io/copy.rs", "library/std/src/io/stdio.rs", - "library/std/src/f32.rs", - "library/std/src/f64.rs", "library/std/src/path.rs", "library/std/src/sys_common", // Should only contain abstractions over platforms "library/std/src/net/test.rs", // Utility helpers for tests diff --git a/src/version b/src/version index 0834888f558..5e3a4256626 100644 --- a/src/version +++ b/src/version @@ -1 +1 @@ -1.72.0 +1.73.0 diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs index 011a253c6ff..a7c9e4845c7 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs @@ -3,6 +3,7 @@ // ignore-macos slightly different policy on stack protection of arrays // ignore-windows stack check code uses different function names // ignore-nvptx64 stack protector is not supported +// ignore-wasm32-bare // [all] compile-flags: -Z stack-protector=all // [strong] compile-flags: -Z stack-protector=strong // [basic] compile-flags: -Z stack-protector=basic diff --git a/tests/assembly/wasm_exceptions.rs b/tests/assembly/wasm_exceptions.rs new file mode 100644 index 00000000000..b7d20881b62 --- /dev/null +++ b/tests/assembly/wasm_exceptions.rs @@ -0,0 +1,60 @@ +// only-wasm32-bare +// assembly-output: emit-asm +// compile-flags: -C target-feature=+exception-handling +// compile-flags: -C panic=unwind +// compile-flags: -C llvm-args=-wasm-enable-eh + +#![crate_type = "lib"] +#![feature(core_intrinsics)] +#![feature(rustc_attrs)] + +extern { + fn may_panic(); + + #[rustc_nounwind] + fn log_number(number: usize); +} + +struct LogOnDrop; + +impl Drop for LogOnDrop { + fn drop(&mut self) { + unsafe { log_number(0); } + } +} + +// CHECK-LABEL: test_cleanup: +#[no_mangle] +pub fn test_cleanup() { + let _log_on_drop = LogOnDrop; + unsafe { may_panic(); } + + // CHECK-NOT: call + // CHECK: try + // CHECK: call may_panic + // CHECK: catch_all + // CHECK: rethrow + // CHECK: end_try +} + +// CHECK-LABEL: test_rtry: +#[no_mangle] +pub fn test_rtry() { + unsafe { + core::intrinsics::r#try(|_| { + may_panic(); + }, core::ptr::null_mut(), |data, exception| { + log_number(data as usize); + log_number(exception as usize); + }); + } + + // CHECK-NOT: call + // CHECK: try + // CHECK: call may_panic + // CHECK: catch + // CHECK: call log_number + // CHECK: call log_number + // CHECK-NOT: rethrow + // CHECK: end_try +} diff --git a/tests/codegen/array-codegen.rs b/tests/codegen/array-codegen.rs index 98488eb92ee..71acd781549 100644 --- a/tests/codegen/array-codegen.rs +++ b/tests/codegen/array-codegen.rs @@ -6,10 +6,10 @@ // CHECK-LABEL: @array_load #[no_mangle] pub fn array_load(a: &[u8; 4]) -> [u8; 4] { - // CHECK: %0 = alloca [4 x i8], align 1 + // CHECK: %_0 = alloca [4 x i8], align 1 // CHECK: %[[TEMP1:.+]] = load <4 x i8>, ptr %a, align 1 - // CHECK: store <4 x i8> %[[TEMP1]], ptr %0, align 1 - // CHECK: %[[TEMP2:.+]] = load i32, ptr %0, align 1 + // CHECK: store <4 x i8> %[[TEMP1]], ptr %_0, align 1 + // CHECK: %[[TEMP2:.+]] = load i32, ptr %_0, align 1 // CHECK: ret i32 %[[TEMP2]] *a } diff --git a/tests/codegen/avr/avr-func-addrspace.rs b/tests/codegen/avr/avr-func-addrspace.rs index bc11e108124..83baae9e432 100644 --- a/tests/codegen/avr/avr-func-addrspace.rs +++ b/tests/codegen/avr/avr-func-addrspace.rs @@ -116,7 +116,7 @@ pub enum Either<T, U> { A(T), B(U) } // with the `ptr` field representing both `&i32` and `fn()` depending on the variant. // This is incorrect, because `fn()` should be `ptr addrspace(1)`, not `ptr`. -// CHECK: define{{.+}}void @should_not_combine_addrspace({{.+\*|ptr}}{{.+}}sret{{.+}}%0, {{.+\*|ptr}}{{.+}}%x) +// CHECK: define{{.+}}void @should_not_combine_addrspace({{.+\*|ptr}}{{.+}}sret{{.+}}%_0, {{.+\*|ptr}}{{.+}}%x) #[no_mangle] #[inline(never)] pub fn should_not_combine_addrspace(x: Either<&i32, fn()>) -> Either<&i32, fn()> { diff --git a/tests/codegen/consts.rs b/tests/codegen/consts.rs index fc2badc417c..810da581ce9 100644 --- a/tests/codegen/consts.rs +++ b/tests/codegen/consts.rs @@ -1,4 +1,5 @@ // compile-flags: -C no-prepopulate-passes +// min-llvm-version: 15.0 (for opaque pointers) #![crate_type = "lib"] @@ -42,7 +43,7 @@ pub fn inline_enum_const() -> E<i8, i16> { #[no_mangle] pub fn low_align_const() -> E<i16, [i16; 3]> { // Check that low_align_const and high_align_const use the same constant - // CHECK: memcpy.{{.+}}({{i8\*|ptr}} align 2 %{{[0-9]+}}, {{i8\*|ptr}} align 2 {{.*}}[[LOW_HIGH]]{{.*}}, i{{(32|64)}} 8, i1 false) + // CHECK: memcpy.{{.+}}(ptr align 2 %_0, ptr align 2 {{.*}}[[LOW_HIGH]]{{.*}}, i{{(32|64)}} 8, i1 false) *&E::A(0) } @@ -50,6 +51,6 @@ pub fn low_align_const() -> E<i16, [i16; 3]> { #[no_mangle] pub fn high_align_const() -> E<i16, i32> { // Check that low_align_const and high_align_const use the same constant - // CHECK: memcpy.{{.+}}({{i8\*|ptr}} align 4 %{{[0-9]+}}, {{i8\*|ptr}} align 4 {{.*}}[[LOW_HIGH]]{{.*}}, i{{(32|64)}} 8, i1 false) + // CHECK: memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[LOW_HIGH]]{{.*}}, i{{(32|64)}} 8, i1 false) *&E::A(0) } diff --git a/tests/codegen/enum-match.rs b/tests/codegen/enum-match.rs index 36c6be19012..5548cd25147 100644 --- a/tests/codegen/enum-match.rs +++ b/tests/codegen/enum-match.rs @@ -15,7 +15,7 @@ pub enum Enum0 { // CHECK-NEXT: start: // CHECK-NEXT: %1 = icmp eq i8 %0, 2 // CHECK-NEXT: %2 = and i8 %0, 1 -// CHECK-NEXT: %.0 = select i1 %1, i8 13, i8 %2 +// CHECK-NEXT: %_0.0 = select i1 %1, i8 13, i8 %2 #[no_mangle] pub fn match0(e: Enum0) -> u8 { use Enum0::*; diff --git a/tests/codegen/fewer-names.rs b/tests/codegen/fewer-names.rs index a09c795924c..df1080bff2b 100644 --- a/tests/codegen/fewer-names.rs +++ b/tests/codegen/fewer-names.rs @@ -13,8 +13,8 @@ pub fn sum(x: u32, y: u32) -> u32 { // NO-LABEL: define{{.*}}i32 @sum(i32 noundef %x, i32 noundef %y) // NO-NEXT: start: - // NO-NEXT: %0 = add i32 %y, %x - // NO-NEXT: ret i32 %0 + // NO-NEXT: %z = add i32 %y, %x + // NO-NEXT: ret i32 %z let z = x + y; z } diff --git a/tests/codegen/function-arguments-noopt.rs b/tests/codegen/function-arguments-noopt.rs index 0c62e0d35e3..35f31eba3b1 100644 --- a/tests/codegen/function-arguments-noopt.rs +++ b/tests/codegen/function-arguments-noopt.rs @@ -42,7 +42,7 @@ pub fn borrow_call(x: &i32, f: fn(&i32) -> &i32) -> &i32 { f(x) } -// CHECK: void @struct_({{%S\*|ptr}} sret(%S){{( %0)?}}, {{%S\*|ptr}} %x) +// CHECK: void @struct_({{%S\*|ptr}} sret(%S){{( %_0)?}}, {{%S\*|ptr}} %x) #[no_mangle] pub fn struct_(x: S) -> S { x @@ -51,7 +51,7 @@ pub fn struct_(x: S) -> S { // CHECK-LABEL: @struct_call #[no_mangle] pub fn struct_call(x: S, f: fn(S) -> S) -> S { - // CHECK: call void %f({{%S\*|ptr}} sret(%S){{( %0)?}}, {{%S\*|ptr}} %{{.+}}) + // CHECK: call void %f({{%S\*|ptr}} sret(%S){{( %_0)?}}, {{%S\*|ptr}} %{{.+}}) f(x) } diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs index d6f019016a5..ccf4a5de327 100644 --- a/tests/codegen/function-arguments.rs +++ b/tests/codegen/function-arguments.rs @@ -188,7 +188,7 @@ pub fn notunpin_box(x: Box<NotUnpin>) -> Box<NotUnpin> { x } -// CHECK: @struct_return({{%S\*|ptr}} noalias nocapture noundef sret(%S) dereferenceable(32){{( %0)?}}) +// CHECK: @struct_return({{%S\*|ptr}} noalias nocapture noundef sret(%S) dereferenceable(32){{( %_0)?}}) #[no_mangle] pub fn struct_return() -> S { S { diff --git a/tests/codegen/intrinsics/transmute-niched.rs b/tests/codegen/intrinsics/transmute-niched.rs index 69e9b1d1206..fffc24a1181 100644 --- a/tests/codegen/intrinsics/transmute-niched.rs +++ b/tests/codegen/intrinsics/transmute-niched.rs @@ -169,16 +169,16 @@ pub unsafe fn check_bool_from_ordering(x: std::cmp::Ordering) -> bool { // CHECK-LABEL: @check_bool_to_ordering( #[no_mangle] pub unsafe fn check_bool_to_ordering(x: bool) -> std::cmp::Ordering { - // CHECK: %0 = zext i1 %x to i8 - // OPT: %1 = icmp ule i8 %0, 1 - // OPT: call void @llvm.assume(i1 %1) - // OPT: %2 = icmp uge i8 %0, -1 - // OPT: %3 = icmp ule i8 %0, 1 - // OPT: %4 = or i1 %2, %3 - // OPT: call void @llvm.assume(i1 %4) + // CHECK: %_0 = zext i1 %x to i8 + // OPT: %0 = icmp ule i8 %_0, 1 + // OPT: call void @llvm.assume(i1 %0) + // OPT: %1 = icmp uge i8 %_0, -1 + // OPT: %2 = icmp ule i8 %_0, 1 + // OPT: %3 = or i1 %1, %2 + // OPT: call void @llvm.assume(i1 %3) // DBG-NOT: icmp // DBG-NOT: assume - // CHECK: ret i8 %0 + // CHECK: ret i8 %_0 transmute(x) } diff --git a/tests/codegen/intrinsics/transmute-x64.rs b/tests/codegen/intrinsics/transmute-x64.rs index 99d258c6204..168838ef497 100644 --- a/tests/codegen/intrinsics/transmute-x64.rs +++ b/tests/codegen/intrinsics/transmute-x64.rs @@ -11,8 +11,8 @@ use std::mem::transmute; #[no_mangle] pub unsafe fn check_sse_float_to_int(x: __m128) -> __m128i { // CHECK-NOT: alloca - // CHECK: %1 = load <4 x float>, ptr %x, align 16 - // CHECK: store <4 x float> %1, ptr %0, align 16 + // CHECK: %0 = load <4 x float>, ptr %x, align 16 + // CHECK: store <4 x float> %0, ptr %_0, align 16 transmute(x) } @@ -20,8 +20,8 @@ pub unsafe fn check_sse_float_to_int(x: __m128) -> __m128i { #[no_mangle] pub unsafe fn check_sse_pair_to_avx(x: (__m128i, __m128i)) -> __m256i { // CHECK-NOT: alloca - // CHECK: %1 = load <4 x i64>, ptr %x, align 16 - // CHECK: store <4 x i64> %1, ptr %0, align 32 + // CHECK: %0 = load <4 x i64>, ptr %x, align 16 + // CHECK: store <4 x i64> %0, ptr %_0, align 32 transmute(x) } @@ -29,7 +29,7 @@ pub unsafe fn check_sse_pair_to_avx(x: (__m128i, __m128i)) -> __m256i { #[no_mangle] pub unsafe fn check_sse_pair_from_avx(x: __m256i) -> (__m128i, __m128i) { // CHECK-NOT: alloca - // CHECK: %1 = load <4 x i64>, ptr %x, align 32 - // CHECK: store <4 x i64> %1, ptr %0, align 16 + // CHECK: %0 = load <4 x i64>, ptr %x, align 32 + // CHECK: store <4 x i64> %0, ptr %_0, align 16 transmute(x) } diff --git a/tests/codegen/intrinsics/transmute.rs b/tests/codegen/intrinsics/transmute.rs index fe42494000e..f8c20960660 100644 --- a/tests/codegen/intrinsics/transmute.rs +++ b/tests/codegen/intrinsics/transmute.rs @@ -8,8 +8,8 @@ #![feature(inline_const)] #![allow(unreachable_code)] -use std::mem::MaybeUninit; use std::intrinsics::{transmute, transmute_unchecked}; +use std::mem::MaybeUninit; // Some of these need custom MIR to not get removed by MIR optimizations. use std::intrinsics::mir::*; @@ -63,7 +63,7 @@ pub unsafe fn check_to_empty_array(x: [u32; 5]) -> [u32; 0] { // CHECK-NOT: trap // CHECK: call void @llvm.trap // CHECK-NOT: trap - mir!{ + mir! { { RET = CastTransmute(x); Return() @@ -78,7 +78,7 @@ pub unsafe fn check_from_empty_array(x: [u32; 0]) -> [u32; 5] { // CHECK-NOT: trap // CHECK: call void @llvm.trap // CHECK-NOT: trap - mir!{ + mir! { { RET = CastTransmute(x); Return() @@ -93,7 +93,7 @@ pub unsafe fn check_to_uninhabited(x: u16) { // CHECK-NOT: trap // CHECK: call void @llvm.trap // CHECK-NOT: trap - mir!{ + mir! { let temp: BigNever; { temp = CastTransmute(x); @@ -107,7 +107,7 @@ pub unsafe fn check_to_uninhabited(x: u16) { #[custom_mir(dialect = "runtime", phase = "optimized")] pub unsafe fn check_from_uninhabited(x: BigNever) -> u16 { // CHECK: ret i16 poison - mir!{ + mir! { { RET = CastTransmute(x); Return() @@ -122,9 +122,7 @@ pub unsafe fn check_intermediate_passthrough(x: u32) -> i32 { // CHECK: %[[TMP:.+]] = add i32 1, %x // CHECK: %[[RET:.+]] = add i32 %[[TMP]], 1 // CHECK: ret i32 %[[RET]] - unsafe { - transmute::<u32, i32>(1 + x) + 1 - } + unsafe { transmute::<u32, i32>(1 + x) + 1 } } // CHECK-LABEL: @check_nop_pair( @@ -134,9 +132,7 @@ pub unsafe fn check_nop_pair(x: (u8, i8)) -> (i8, u8) { // CHECK: %0 = insertvalue { i8, i8 } poison, i8 %x.0, 0 // CHECK: %1 = insertvalue { i8, i8 } %0, i8 %x.1, 1 // CHECK: ret { i8, i8 } %1 - unsafe { - transmute(x) - } + unsafe { transmute(x) } } // CHECK-LABEL: @check_to_newtype( @@ -168,9 +164,9 @@ pub unsafe fn check_aggregate_to_bool(x: Aggregate8) -> bool { // CHECK-LABEL: @check_aggregate_from_bool( #[no_mangle] pub unsafe fn check_aggregate_from_bool(x: bool) -> Aggregate8 { - // CHECK: %0 = alloca %Aggregate8, align 1 + // CHECK: %_0 = alloca %Aggregate8, align 1 // CHECK: %[[BYTE:.+]] = zext i1 %x to i8 - // CHECK: store i8 %[[BYTE]], ptr %0, align 1 + // CHECK: store i8 %[[BYTE]], ptr %_0, align 1 transmute(x) } @@ -195,8 +191,8 @@ pub unsafe fn check_byte_from_bool(x: bool) -> u8 { // CHECK-LABEL: @check_to_pair( #[no_mangle] pub unsafe fn check_to_pair(x: u64) -> Option<i32> { - // CHECK: %0 = alloca { i32, i32 }, align 4 - // CHECK: store i64 %x, ptr %0, align 4 + // CHECK: %_0 = alloca { i32, i32 }, align 4 + // CHECK: store i64 %x, ptr %_0, align 4 transmute(x) } @@ -207,11 +203,11 @@ pub unsafe fn check_from_pair(x: Option<i32>) -> u64 { // immediates so we can write using the destination alloca's alignment. const { assert!(std::mem::align_of::<Option<i32>>() == 4) }; - // CHECK: %0 = alloca i64, align 8 - // CHECK: store i32 %x.0, ptr %1, align 8 - // CHECK: store i32 %x.1, ptr %2, align 4 - // CHECK: %3 = load i64, ptr %0, align 8 - // CHECK: ret i64 %3 + // CHECK: %_0 = alloca i64, align 8 + // CHECK: store i32 %x.0, ptr %0, align 8 + // CHECK: store i32 %x.1, ptr %1, align 4 + // CHECK: %2 = load i64, ptr %_0, align 8 + // CHECK: ret i64 %2 transmute(x) } @@ -219,8 +215,8 @@ pub unsafe fn check_from_pair(x: Option<i32>) -> u64 { #[no_mangle] pub unsafe fn check_to_float(x: u32) -> f32 { // CHECK-NOT: alloca - // CHECK: %0 = bitcast i32 %x to float - // CHECK: ret float %0 + // CHECK: %_0 = bitcast i32 %x to float + // CHECK: ret float %_0 transmute(x) } @@ -228,16 +224,16 @@ pub unsafe fn check_to_float(x: u32) -> f32 { #[no_mangle] pub unsafe fn check_from_float(x: f32) -> u32 { // CHECK-NOT: alloca - // CHECK: %0 = bitcast float %x to i32 - // CHECK: ret i32 %0 + // CHECK: %_0 = bitcast float %x to i32 + // CHECK: ret i32 %_0 transmute(x) } // CHECK-LABEL: @check_to_bytes( #[no_mangle] pub unsafe fn check_to_bytes(x: u32) -> [u8; 4] { - // CHECK: %0 = alloca [4 x i8], align 1 - // CHECK: store i32 %x, ptr %0, align 1 + // CHECK: %_0 = alloca [4 x i8], align 1 + // CHECK: store i32 %x, ptr %_0, align 1 transmute(x) } @@ -253,10 +249,10 @@ pub unsafe fn check_from_bytes(x: [u8; 4]) -> u32 { // CHECK-LABEL: @check_to_aggregate( #[no_mangle] pub unsafe fn check_to_aggregate(x: u64) -> Aggregate64 { - // CHECK: %0 = alloca %Aggregate64, align 4 - // CHECK: store i64 %x, ptr %0, align 4 - // CHECK: %1 = load i64, ptr %0, align 4 - // CHECK: ret i64 %1 + // CHECK: %_0 = alloca %Aggregate64, align 4 + // CHECK: store i64 %x, ptr %_0, align 4 + // CHECK: %0 = load i64, ptr %_0, align 4 + // CHECK: ret i64 %0 transmute(x) } @@ -273,7 +269,7 @@ pub unsafe fn check_from_aggregate(x: Aggregate64) -> u64 { #[no_mangle] pub unsafe fn check_long_array_less_aligned(x: [u64; 100]) -> [u16; 400] { // CHECK-NEXT: start - // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 2 %0, ptr align 8 %x, i64 800, i1 false) + // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 2 %_0, ptr align 8 %x, i64 800, i1 false) // CHECK-NEXT: ret void transmute(x) } @@ -282,7 +278,7 @@ pub unsafe fn check_long_array_less_aligned(x: [u64; 100]) -> [u16; 400] { #[no_mangle] pub unsafe fn check_long_array_more_aligned(x: [u8; 100]) -> [u32; 25] { // CHECK-NEXT: start - // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %0, ptr align 1 %x, i64 100, i1 false) + // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %_0, ptr align 1 %x, i64 100, i1 false) // CHECK-NEXT: ret void transmute(x) } @@ -301,8 +297,8 @@ pub unsafe fn check_pair_with_bool(x: (u8, bool)) -> (bool, i8) { pub unsafe fn check_float_to_pointer(x: f64) -> *const () { // CHECK-NOT: alloca // CHECK: %0 = bitcast double %x to i64 - // CHECK: %1 = inttoptr i64 %0 to ptr - // CHECK: ret ptr %1 + // CHECK: %_0 = inttoptr i64 %0 to ptr + // CHECK: ret ptr %_0 transmute(x) } @@ -311,8 +307,8 @@ pub unsafe fn check_float_to_pointer(x: f64) -> *const () { pub unsafe fn check_float_from_pointer(x: *const ()) -> f64 { // CHECK-NOT: alloca // CHECK: %0 = ptrtoint ptr %x to i64 - // CHECK: %1 = bitcast i64 %0 to double - // CHECK: ret double %1 + // CHECK: %_0 = bitcast i64 %0 to double + // CHECK: ret double %_0 transmute(x) } @@ -376,10 +372,10 @@ pub unsafe fn check_issue_110005(x: (usize, bool)) -> Option<Box<[u8]>> { // CHECK-LABEL: @check_pair_to_dst_ref( #[no_mangle] pub unsafe fn check_pair_to_dst_ref<'a>(x: (usize, usize)) -> &'a [u8] { - // CHECK: %0 = inttoptr i64 %x.0 to ptr - // CHECK: %1 = insertvalue { ptr, i64 } poison, ptr %0, 0 - // CHECK: %2 = insertvalue { ptr, i64 } %1, i64 %x.1, 1 - // CHECK: ret { ptr, i64 } %2 + // CHECK: %_0.0 = inttoptr i64 %x.0 to ptr + // CHECK: %0 = insertvalue { ptr, i64 } poison, ptr %_0.0, 0 + // CHECK: %1 = insertvalue { ptr, i64 } %0, i64 %x.1, 1 + // CHECK: ret { ptr, i64 } %1 transmute(x) } @@ -391,7 +387,7 @@ pub unsafe fn check_issue_109992(x: ()) -> [(); 1] { // CHECK: start // CHECK-NEXT: ret void - mir!{ + mir! { { RET = CastTransmute(x); Return() @@ -408,7 +404,7 @@ pub unsafe fn check_unit_to_never(x: ()) { // CHECK-NOT: trap // CHECK: call void @llvm.trap // CHECK-NOT: trap - mir!{ + mir! { let temp: ZstNever; { temp = CastTransmute(x); @@ -425,7 +421,7 @@ pub unsafe fn check_unit_from_never(x: ZstNever) -> () { // CHECK: start // CHECK-NEXT: ret void - mir!{ + mir! { { RET = CastTransmute(x); Return() @@ -457,10 +453,10 @@ pub struct HighAlignScalar(u8); // CHECK-LABEL: @check_to_overalign( #[no_mangle] pub unsafe fn check_to_overalign(x: u64) -> HighAlignScalar { - // CHECK: %0 = alloca %HighAlignScalar, align 8 - // CHECK: store i64 %x, ptr %0, align 8 - // CHECK: %1 = load i64, ptr %0, align 8 - // CHECK: ret i64 %1 + // CHECK: %_0 = alloca %HighAlignScalar, align 8 + // CHECK: store i64 %x, ptr %_0, align 8 + // CHECK: %0 = load i64, ptr %_0, align 8 + // CHECK: ret i64 %0 transmute(x) } diff --git a/tests/codegen/match-optimized.rs b/tests/codegen/match-optimized.rs index 520c46a0d57..59e6eeb7c5d 100644 --- a/tests/codegen/match-optimized.rs +++ b/tests/codegen/match-optimized.rs @@ -20,13 +20,13 @@ pub fn exhaustive_match(e: E) -> u8 { // CHECK-NEXT: unreachable // // CHECK: [[A]]: -// CHECK-NEXT: store i8 0, {{i8\*|ptr}} %1, align 1 +// CHECK-NEXT: store i8 0, {{i8\*|ptr}} %_0, align 1 // CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] // CHECK: [[B]]: -// CHECK-NEXT: store i8 1, {{i8\*|ptr}} %1, align 1 +// CHECK-NEXT: store i8 1, {{i8\*|ptr}} %_0, align 1 // CHECK-NEXT: br label %[[EXIT]] // CHECK: [[C]]: -// CHECK-NEXT: store i8 2, {{i8\*|ptr}} %1, align 1 +// CHECK-NEXT: store i8 2, {{i8\*|ptr}} %_0, align 1 // CHECK-NEXT: br label %[[EXIT]] match e { E::A => 0, diff --git a/tests/codegen/mem-replace-big-type.rs b/tests/codegen/mem-replace-big-type.rs index c6b920cf599..55c2741faaf 100644 --- a/tests/codegen/mem-replace-big-type.rs +++ b/tests/codegen/mem-replace-big-type.rs @@ -25,7 +25,7 @@ pub fn replace_big(dst: &mut Big, src: Big) -> Big { // For a large type, we expect exactly three `memcpy`s // CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}sret(%Big) // CHECK-NOT: call void @llvm.memcpy -// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %0, {{i8\*|ptr}} align 8 %dest, i{{.*}} 56, i1 false) +// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %result, {{i8\*|ptr}} align 8 %dest, i{{.*}} 56, i1 false) // CHECK-NOT: call void @llvm.memcpy // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %dest, {{i8\*|ptr}} align 8 %src, i{{.*}} 56, i1 false) // CHECK-NOT: call void @llvm.memcpy diff --git a/tests/codegen/mem-replace-simple-type.rs b/tests/codegen/mem-replace-simple-type.rs index 6151177de15..5c4acf813ea 100644 --- a/tests/codegen/mem-replace-simple-type.rs +++ b/tests/codegen/mem-replace-simple-type.rs @@ -38,7 +38,7 @@ pub fn replace_ref_str<'a>(r: &mut &'a str, v: &'a str) -> &'a str { pub fn replace_short_array(r: &mut [u32; 3], v: [u32; 3]) -> [u32; 3] { // CHECK-NOT: alloca // CHECK: %[[R:.+]] = load <3 x i32>, ptr %r, align 4 - // CHECK: store <3 x i32> %[[R]], ptr %0 + // CHECK: store <3 x i32> %[[R]], ptr %result // CHECK: %[[V:.+]] = load <3 x i32>, ptr %v, align 4 // CHECK: store <3 x i32> %[[V]], ptr %r std::mem::replace(r, v) diff --git a/tests/codegen/repeat-trusted-len.rs b/tests/codegen/repeat-trusted-len.rs index 87c8fe1354d..d06978f2435 100644 --- a/tests/codegen/repeat-trusted-len.rs +++ b/tests/codegen/repeat-trusted-len.rs @@ -8,13 +8,13 @@ use std::iter; // CHECK-LABEL: @repeat_take_collect #[no_mangle] pub fn repeat_take_collect() -> Vec<u8> { -// CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}align 1{{.*}} %{{[0-9]+}}, i8 42, i{{[0-9]+}} 100000, i1 false) + // CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}align 1{{.*}} %{{.*}}, i8 42, i{{[0-9]+}} 100000, i1 false) iter::repeat(42).take(100000).collect() } // CHECK-LABEL: @repeat_with_take_collect #[no_mangle] pub fn repeat_with_take_collect() -> Vec<u8> { -// CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}align 1{{.*}} %{{[0-9]+}}, i8 13, i{{[0-9]+}} 12345, i1 false) + // CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}align 1{{.*}} %{{.*}}, i8 13, i{{[0-9]+}} 12345, i1 false) iter::repeat_with(|| 13).take(12345).collect() } diff --git a/tests/codegen/repr-transparent-aggregates-1.rs b/tests/codegen/repr-transparent-aggregates-1.rs index 9c4b0e58e71..ba3ba272efb 100644 --- a/tests/codegen/repr-transparent-aggregates-1.rs +++ b/tests/codegen/repr-transparent-aggregates-1.rs @@ -11,6 +11,7 @@ // ignore-s390x // ignore-windows // ignore-loongarch64 +// ignore-wasm32-bare // See repr-transparent.rs #![feature(transparent_unions)] diff --git a/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs index 045f01985a5..ec18fa9a328 100644 --- a/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs +++ b/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs @@ -152,7 +152,7 @@ pub extern "C" fn f_scalar_stack_1( ) { } -// CHECK: define void @f_scalar_stack_2({{%Large\*|ptr}} {{.*}}sret{{.*}} %0, i64 noundef %a, i128 %1, i128 %2, i64 noundef %d, i8 noundef zeroext %e, i8 noundef %f, i8 noundef %g) +// CHECK: define void @f_scalar_stack_2({{%Large\*|ptr}} {{.*}}sret{{.*}} %_0, i64 noundef %a, i128 %0, i128 %1, i64 noundef %d, i8 noundef zeroext %e, i8 noundef %f, i8 noundef %g) #[no_mangle] pub extern "C" fn f_scalar_stack_2( a: u64, diff --git a/tests/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs index faac7566a0c..0bcfacec6d7 100644 --- a/tests/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs +++ b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs @@ -116,150 +116,150 @@ extern "platform-intrinsic" { fn simd_saturating_sub<T>(x: T, y: T) -> T; } -// NOTE(eddyb) `%{{x|1}}` is used because on some targets (e.g. WASM) +// NOTE(eddyb) `%{{x|0}}` is used because on some targets (e.g. WASM) // SIMD vectors are passed directly, resulting in `%x` being a vector, // while on others they're passed indirectly, resulting in `%x` being -// a pointer to a vector, and `%1` a vector loaded from that pointer. +// a pointer to a vector, and `%0` a vector loaded from that pointer. // This is controlled by the target spec option `simd_types_indirect`. -// The same applies to `%{{y|2}}` as well. +// The same applies to `%{{y|1}}` as well. // CHECK-LABEL: @sadd_i8x2 #[no_mangle] pub unsafe fn sadd_i8x2(x: i8x2, y: i8x2) -> i8x2 { - // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %{{x|1}}, <2 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %{{x|0}}, <2 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i8x4 #[no_mangle] pub unsafe fn sadd_i8x4(x: i8x4, y: i8x4) -> i8x4 { - // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.sadd.sat.v4i8(<4 x i8> %{{x|1}}, <4 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.sadd.sat.v4i8(<4 x i8> %{{x|0}}, <4 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i8x8 #[no_mangle] pub unsafe fn sadd_i8x8(x: i8x8, y: i8x8) -> i8x8 { - // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.sadd.sat.v8i8(<8 x i8> %{{x|1}}, <8 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.sadd.sat.v8i8(<8 x i8> %{{x|0}}, <8 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i8x16 #[no_mangle] pub unsafe fn sadd_i8x16(x: i8x16, y: i8x16) -> i8x16 { - // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> %{{x|1}}, <16 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> %{{x|0}}, <16 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i8x32 #[no_mangle] pub unsafe fn sadd_i8x32(x: i8x32, y: i8x32) -> i8x32 { - // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.sadd.sat.v32i8(<32 x i8> %{{x|1}}, <32 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.sadd.sat.v32i8(<32 x i8> %{{x|0}}, <32 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i8x64 #[no_mangle] pub unsafe fn sadd_i8x64(x: i8x64, y: i8x64) -> i8x64 { - // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.sadd.sat.v64i8(<64 x i8> %{{x|1}}, <64 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.sadd.sat.v64i8(<64 x i8> %{{x|0}}, <64 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i16x2 #[no_mangle] pub unsafe fn sadd_i16x2(x: i16x2, y: i16x2) -> i16x2 { - // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.sadd.sat.v2i16(<2 x i16> %{{x|1}}, <2 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.sadd.sat.v2i16(<2 x i16> %{{x|0}}, <2 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i16x4 #[no_mangle] pub unsafe fn sadd_i16x4(x: i16x4, y: i16x4) -> i16x4 { - // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.sadd.sat.v4i16(<4 x i16> %{{x|1}}, <4 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.sadd.sat.v4i16(<4 x i16> %{{x|0}}, <4 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i16x8 #[no_mangle] pub unsafe fn sadd_i16x8(x: i16x8, y: i16x8) -> i16x8 { - // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16> %{{x|1}}, <8 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.sadd.sat.v8i16(<8 x i16> %{{x|0}}, <8 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i16x16 #[no_mangle] pub unsafe fn sadd_i16x16(x: i16x16, y: i16x16) -> i16x16 { - // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.sadd.sat.v16i16(<16 x i16> %{{x|1}}, <16 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.sadd.sat.v16i16(<16 x i16> %{{x|0}}, <16 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i16x32 #[no_mangle] pub unsafe fn sadd_i16x32(x: i16x32, y: i16x32) -> i16x32 { - // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.sadd.sat.v32i16(<32 x i16> %{{x|1}}, <32 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.sadd.sat.v32i16(<32 x i16> %{{x|0}}, <32 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i32x2 #[no_mangle] pub unsafe fn sadd_i32x2(x: i32x2, y: i32x2) -> i32x2 { - // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.sadd.sat.v2i32(<2 x i32> %{{x|1}}, <2 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.sadd.sat.v2i32(<2 x i32> %{{x|0}}, <2 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i32x4 #[no_mangle] pub unsafe fn sadd_i32x4(x: i32x4, y: i32x4) -> i32x4 { - // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32> %{{x|1}}, <4 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32> %{{x|0}}, <4 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i32x8 #[no_mangle] pub unsafe fn sadd_i32x8(x: i32x8, y: i32x8) -> i32x8 { - // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.sadd.sat.v8i32(<8 x i32> %{{x|1}}, <8 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.sadd.sat.v8i32(<8 x i32> %{{x|0}}, <8 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i32x16 #[no_mangle] pub unsafe fn sadd_i32x16(x: i32x16, y: i32x16) -> i32x16 { - // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.sadd.sat.v16i32(<16 x i32> %{{x|1}}, <16 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.sadd.sat.v16i32(<16 x i32> %{{x|0}}, <16 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i64x2 #[no_mangle] pub unsafe fn sadd_i64x2(x: i64x2, y: i64x2) -> i64x2 { - // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.sadd.sat.v2i64(<2 x i64> %{{x|1}}, <2 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.sadd.sat.v2i64(<2 x i64> %{{x|0}}, <2 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i64x4 #[no_mangle] pub unsafe fn sadd_i64x4(x: i64x4, y: i64x4) -> i64x4 { - // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.sadd.sat.v4i64(<4 x i64> %{{x|1}}, <4 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.sadd.sat.v4i64(<4 x i64> %{{x|0}}, <4 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i64x8 #[no_mangle] pub unsafe fn sadd_i64x8(x: i64x8, y: i64x8) -> i64x8 { - // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.sadd.sat.v8i64(<8 x i64> %{{x|1}}, <8 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.sadd.sat.v8i64(<8 x i64> %{{x|0}}, <8 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i128x2 #[no_mangle] pub unsafe fn sadd_i128x2(x: i128x2, y: i128x2) -> i128x2 { - // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.sadd.sat.v2i128(<2 x i128> %{{x|1}}, <2 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.sadd.sat.v2i128(<2 x i128> %{{x|0}}, <2 x i128> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @sadd_i128x4 #[no_mangle] pub unsafe fn sadd_i128x4(x: i128x4, y: i128x4) -> i128x4 { - // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.sadd.sat.v4i128(<4 x i128> %{{x|1}}, <4 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.sadd.sat.v4i128(<4 x i128> %{{x|0}}, <4 x i128> %{{y|1}}) simd_saturating_add(x, y) } @@ -268,140 +268,140 @@ pub unsafe fn sadd_i128x4(x: i128x4, y: i128x4) -> i128x4 { // CHECK-LABEL: @uadd_u8x2 #[no_mangle] pub unsafe fn uadd_u8x2(x: u8x2, y: u8x2) -> u8x2 { - // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %{{x|1}}, <2 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %{{x|0}}, <2 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u8x4 #[no_mangle] pub unsafe fn uadd_u8x4(x: u8x4, y: u8x4) -> u8x4 { - // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.uadd.sat.v4i8(<4 x i8> %{{x|1}}, <4 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.uadd.sat.v4i8(<4 x i8> %{{x|0}}, <4 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u8x8 #[no_mangle] pub unsafe fn uadd_u8x8(x: u8x8, y: u8x8) -> u8x8 { - // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.uadd.sat.v8i8(<8 x i8> %{{x|1}}, <8 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.uadd.sat.v8i8(<8 x i8> %{{x|0}}, <8 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u8x16 #[no_mangle] pub unsafe fn uadd_u8x16(x: u8x16, y: u8x16) -> u8x16 { - // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> %{{x|1}}, <16 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> %{{x|0}}, <16 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u8x32 #[no_mangle] pub unsafe fn uadd_u8x32(x: u8x32, y: u8x32) -> u8x32 { - // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.uadd.sat.v32i8(<32 x i8> %{{x|1}}, <32 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.uadd.sat.v32i8(<32 x i8> %{{x|0}}, <32 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u8x64 #[no_mangle] pub unsafe fn uadd_u8x64(x: u8x64, y: u8x64) -> u8x64 { - // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.uadd.sat.v64i8(<64 x i8> %{{x|1}}, <64 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.uadd.sat.v64i8(<64 x i8> %{{x|0}}, <64 x i8> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u16x2 #[no_mangle] pub unsafe fn uadd_u16x2(x: u16x2, y: u16x2) -> u16x2 { - // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.uadd.sat.v2i16(<2 x i16> %{{x|1}}, <2 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.uadd.sat.v2i16(<2 x i16> %{{x|0}}, <2 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u16x4 #[no_mangle] pub unsafe fn uadd_u16x4(x: u16x4, y: u16x4) -> u16x4 { - // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.uadd.sat.v4i16(<4 x i16> %{{x|1}}, <4 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.uadd.sat.v4i16(<4 x i16> %{{x|0}}, <4 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u16x8 #[no_mangle] pub unsafe fn uadd_u16x8(x: u16x8, y: u16x8) -> u16x8 { - // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.uadd.sat.v8i16(<8 x i16> %{{x|1}}, <8 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.uadd.sat.v8i16(<8 x i16> %{{x|0}}, <8 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u16x16 #[no_mangle] pub unsafe fn uadd_u16x16(x: u16x16, y: u16x16) -> u16x16 { - // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.uadd.sat.v16i16(<16 x i16> %{{x|1}}, <16 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.uadd.sat.v16i16(<16 x i16> %{{x|0}}, <16 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u16x32 #[no_mangle] pub unsafe fn uadd_u16x32(x: u16x32, y: u16x32) -> u16x32 { - // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.uadd.sat.v32i16(<32 x i16> %{{x|1}}, <32 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.uadd.sat.v32i16(<32 x i16> %{{x|0}}, <32 x i16> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u32x2 #[no_mangle] pub unsafe fn uadd_u32x2(x: u32x2, y: u32x2) -> u32x2 { - // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.uadd.sat.v2i32(<2 x i32> %{{x|1}}, <2 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.uadd.sat.v2i32(<2 x i32> %{{x|0}}, <2 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u32x4 #[no_mangle] pub unsafe fn uadd_u32x4(x: u32x4, y: u32x4) -> u32x4 { - // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.uadd.sat.v4i32(<4 x i32> %{{x|1}}, <4 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.uadd.sat.v4i32(<4 x i32> %{{x|0}}, <4 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u32x8 #[no_mangle] pub unsafe fn uadd_u32x8(x: u32x8, y: u32x8) -> u32x8 { - // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.uadd.sat.v8i32(<8 x i32> %{{x|1}}, <8 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.uadd.sat.v8i32(<8 x i32> %{{x|0}}, <8 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u32x16 #[no_mangle] pub unsafe fn uadd_u32x16(x: u32x16, y: u32x16) -> u32x16 { - // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.uadd.sat.v16i32(<16 x i32> %{{x|1}}, <16 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.uadd.sat.v16i32(<16 x i32> %{{x|0}}, <16 x i32> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u64x2 #[no_mangle] pub unsafe fn uadd_u64x2(x: u64x2, y: u64x2) -> u64x2 { - // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64> %{{x|1}}, <2 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64> %{{x|0}}, <2 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u64x4 #[no_mangle] pub unsafe fn uadd_u64x4(x: u64x4, y: u64x4) -> u64x4 { - // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.uadd.sat.v4i64(<4 x i64> %{{x|1}}, <4 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.uadd.sat.v4i64(<4 x i64> %{{x|0}}, <4 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u64x8 #[no_mangle] pub unsafe fn uadd_u64x8(x: u64x8, y: u64x8) -> u64x8 { - // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.uadd.sat.v8i64(<8 x i64> %{{x|1}}, <8 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.uadd.sat.v8i64(<8 x i64> %{{x|0}}, <8 x i64> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u128x2 #[no_mangle] pub unsafe fn uadd_u128x2(x: u128x2, y: u128x2) -> u128x2 { - // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.uadd.sat.v2i128(<2 x i128> %{{x|1}}, <2 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.uadd.sat.v2i128(<2 x i128> %{{x|0}}, <2 x i128> %{{y|1}}) simd_saturating_add(x, y) } // CHECK-LABEL: @uadd_u128x4 #[no_mangle] pub unsafe fn uadd_u128x4(x: u128x4, y: u128x4) -> u128x4 { - // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.uadd.sat.v4i128(<4 x i128> %{{x|1}}, <4 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.uadd.sat.v4i128(<4 x i128> %{{x|0}}, <4 x i128> %{{y|1}}) simd_saturating_add(x, y) } @@ -412,140 +412,140 @@ pub unsafe fn uadd_u128x4(x: u128x4, y: u128x4) -> u128x4 { // CHECK-LABEL: @ssub_i8x2 #[no_mangle] pub unsafe fn ssub_i8x2(x: i8x2, y: i8x2) -> i8x2 { - // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %{{x|1}}, <2 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %{{x|0}}, <2 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i8x4 #[no_mangle] pub unsafe fn ssub_i8x4(x: i8x4, y: i8x4) -> i8x4 { - // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.ssub.sat.v4i8(<4 x i8> %{{x|1}}, <4 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.ssub.sat.v4i8(<4 x i8> %{{x|0}}, <4 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i8x8 #[no_mangle] pub unsafe fn ssub_i8x8(x: i8x8, y: i8x8) -> i8x8 { - // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.ssub.sat.v8i8(<8 x i8> %{{x|1}}, <8 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.ssub.sat.v8i8(<8 x i8> %{{x|0}}, <8 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i8x16 #[no_mangle] pub unsafe fn ssub_i8x16(x: i8x16, y: i8x16) -> i8x16 { - // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> %{{x|1}}, <16 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> %{{x|0}}, <16 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i8x32 #[no_mangle] pub unsafe fn ssub_i8x32(x: i8x32, y: i8x32) -> i8x32 { - // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.ssub.sat.v32i8(<32 x i8> %{{x|1}}, <32 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.ssub.sat.v32i8(<32 x i8> %{{x|0}}, <32 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i8x64 #[no_mangle] pub unsafe fn ssub_i8x64(x: i8x64, y: i8x64) -> i8x64 { - // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.ssub.sat.v64i8(<64 x i8> %{{x|1}}, <64 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.ssub.sat.v64i8(<64 x i8> %{{x|0}}, <64 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i16x2 #[no_mangle] pub unsafe fn ssub_i16x2(x: i16x2, y: i16x2) -> i16x2 { - // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.ssub.sat.v2i16(<2 x i16> %{{x|1}}, <2 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.ssub.sat.v2i16(<2 x i16> %{{x|0}}, <2 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i16x4 #[no_mangle] pub unsafe fn ssub_i16x4(x: i16x4, y: i16x4) -> i16x4 { - // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.ssub.sat.v4i16(<4 x i16> %{{x|1}}, <4 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.ssub.sat.v4i16(<4 x i16> %{{x|0}}, <4 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i16x8 #[no_mangle] pub unsafe fn ssub_i16x8(x: i16x8, y: i16x8) -> i16x8 { - // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.ssub.sat.v8i16(<8 x i16> %{{x|1}}, <8 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.ssub.sat.v8i16(<8 x i16> %{{x|0}}, <8 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i16x16 #[no_mangle] pub unsafe fn ssub_i16x16(x: i16x16, y: i16x16) -> i16x16 { - // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.ssub.sat.v16i16(<16 x i16> %{{x|1}}, <16 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.ssub.sat.v16i16(<16 x i16> %{{x|0}}, <16 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i16x32 #[no_mangle] pub unsafe fn ssub_i16x32(x: i16x32, y: i16x32) -> i16x32 { - // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.ssub.sat.v32i16(<32 x i16> %{{x|1}}, <32 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.ssub.sat.v32i16(<32 x i16> %{{x|0}}, <32 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i32x2 #[no_mangle] pub unsafe fn ssub_i32x2(x: i32x2, y: i32x2) -> i32x2 { - // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.ssub.sat.v2i32(<2 x i32> %{{x|1}}, <2 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.ssub.sat.v2i32(<2 x i32> %{{x|0}}, <2 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i32x4 #[no_mangle] pub unsafe fn ssub_i32x4(x: i32x4, y: i32x4) -> i32x4 { - // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> %{{x|1}}, <4 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> %{{x|0}}, <4 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i32x8 #[no_mangle] pub unsafe fn ssub_i32x8(x: i32x8, y: i32x8) -> i32x8 { - // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.ssub.sat.v8i32(<8 x i32> %{{x|1}}, <8 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.ssub.sat.v8i32(<8 x i32> %{{x|0}}, <8 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i32x16 #[no_mangle] pub unsafe fn ssub_i32x16(x: i32x16, y: i32x16) -> i32x16 { - // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.ssub.sat.v16i32(<16 x i32> %{{x|1}}, <16 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.ssub.sat.v16i32(<16 x i32> %{{x|0}}, <16 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i64x2 #[no_mangle] pub unsafe fn ssub_i64x2(x: i64x2, y: i64x2) -> i64x2 { - // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.ssub.sat.v2i64(<2 x i64> %{{x|1}}, <2 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.ssub.sat.v2i64(<2 x i64> %{{x|0}}, <2 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i64x4 #[no_mangle] pub unsafe fn ssub_i64x4(x: i64x4, y: i64x4) -> i64x4 { - // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.ssub.sat.v4i64(<4 x i64> %{{x|1}}, <4 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.ssub.sat.v4i64(<4 x i64> %{{x|0}}, <4 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i64x8 #[no_mangle] pub unsafe fn ssub_i64x8(x: i64x8, y: i64x8) -> i64x8 { - // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.ssub.sat.v8i64(<8 x i64> %{{x|1}}, <8 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.ssub.sat.v8i64(<8 x i64> %{{x|0}}, <8 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i128x2 #[no_mangle] pub unsafe fn ssub_i128x2(x: i128x2, y: i128x2) -> i128x2 { - // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.ssub.sat.v2i128(<2 x i128> %{{x|1}}, <2 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.ssub.sat.v2i128(<2 x i128> %{{x|0}}, <2 x i128> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @ssub_i128x4 #[no_mangle] pub unsafe fn ssub_i128x4(x: i128x4, y: i128x4) -> i128x4 { - // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.ssub.sat.v4i128(<4 x i128> %{{x|1}}, <4 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.ssub.sat.v4i128(<4 x i128> %{{x|0}}, <4 x i128> %{{y|1}}) simd_saturating_sub(x, y) } @@ -554,139 +554,139 @@ pub unsafe fn ssub_i128x4(x: i128x4, y: i128x4) -> i128x4 { // CHECK-LABEL: @usub_u8x2 #[no_mangle] pub unsafe fn usub_u8x2(x: u8x2, y: u8x2) -> u8x2 { - // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %{{x|1}}, <2 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %{{x|0}}, <2 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u8x4 #[no_mangle] pub unsafe fn usub_u8x4(x: u8x4, y: u8x4) -> u8x4 { - // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.usub.sat.v4i8(<4 x i8> %{{x|1}}, <4 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i8> @llvm.usub.sat.v4i8(<4 x i8> %{{x|0}}, <4 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u8x8 #[no_mangle] pub unsafe fn usub_u8x8(x: u8x8, y: u8x8) -> u8x8 { - // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.usub.sat.v8i8(<8 x i8> %{{x|1}}, <8 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i8> @llvm.usub.sat.v8i8(<8 x i8> %{{x|0}}, <8 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u8x16 #[no_mangle] pub unsafe fn usub_u8x16(x: u8x16, y: u8x16) -> u8x16 { - // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> %{{x|1}}, <16 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> %{{x|0}}, <16 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u8x32 #[no_mangle] pub unsafe fn usub_u8x32(x: u8x32, y: u8x32) -> u8x32 { - // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.usub.sat.v32i8(<32 x i8> %{{x|1}}, <32 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i8> @llvm.usub.sat.v32i8(<32 x i8> %{{x|0}}, <32 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u8x64 #[no_mangle] pub unsafe fn usub_u8x64(x: u8x64, y: u8x64) -> u8x64 { - // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.usub.sat.v64i8(<64 x i8> %{{x|1}}, <64 x i8> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <64 x i8> @llvm.usub.sat.v64i8(<64 x i8> %{{x|0}}, <64 x i8> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u16x2 #[no_mangle] pub unsafe fn usub_u16x2(x: u16x2, y: u16x2) -> u16x2 { - // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.usub.sat.v2i16(<2 x i16> %{{x|1}}, <2 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i16> @llvm.usub.sat.v2i16(<2 x i16> %{{x|0}}, <2 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u16x4 #[no_mangle] pub unsafe fn usub_u16x4(x: u16x4, y: u16x4) -> u16x4 { - // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.usub.sat.v4i16(<4 x i16> %{{x|1}}, <4 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i16> @llvm.usub.sat.v4i16(<4 x i16> %{{x|0}}, <4 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u16x8 #[no_mangle] pub unsafe fn usub_u16x8(x: u16x8, y: u16x8) -> u16x8 { - // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.usub.sat.v8i16(<8 x i16> %{{x|1}}, <8 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i16> @llvm.usub.sat.v8i16(<8 x i16> %{{x|0}}, <8 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u16x16 #[no_mangle] pub unsafe fn usub_u16x16(x: u16x16, y: u16x16) -> u16x16 { - // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.usub.sat.v16i16(<16 x i16> %{{x|1}}, <16 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i16> @llvm.usub.sat.v16i16(<16 x i16> %{{x|0}}, <16 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u16x32 #[no_mangle] pub unsafe fn usub_u16x32(x: u16x32, y: u16x32) -> u16x32 { - // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.usub.sat.v32i16(<32 x i16> %{{x|1}}, <32 x i16> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <32 x i16> @llvm.usub.sat.v32i16(<32 x i16> %{{x|0}}, <32 x i16> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u32x2 #[no_mangle] pub unsafe fn usub_u32x2(x: u32x2, y: u32x2) -> u32x2 { - // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.usub.sat.v2i32(<2 x i32> %{{x|1}}, <2 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i32> @llvm.usub.sat.v2i32(<2 x i32> %{{x|0}}, <2 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u32x4 #[no_mangle] pub unsafe fn usub_u32x4(x: u32x4, y: u32x4) -> u32x4 { - // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.usub.sat.v4i32(<4 x i32> %{{x|1}}, <4 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i32> @llvm.usub.sat.v4i32(<4 x i32> %{{x|0}}, <4 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u32x8 #[no_mangle] pub unsafe fn usub_u32x8(x: u32x8, y: u32x8) -> u32x8 { - // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.usub.sat.v8i32(<8 x i32> %{{x|1}}, <8 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i32> @llvm.usub.sat.v8i32(<8 x i32> %{{x|0}}, <8 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u32x16 #[no_mangle] pub unsafe fn usub_u32x16(x: u32x16, y: u32x16) -> u32x16 { - // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.usub.sat.v16i32(<16 x i32> %{{x|1}}, <16 x i32> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <16 x i32> @llvm.usub.sat.v16i32(<16 x i32> %{{x|0}}, <16 x i32> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u64x2 #[no_mangle] pub unsafe fn usub_u64x2(x: u64x2, y: u64x2) -> u64x2 { - // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.usub.sat.v2i64(<2 x i64> %{{x|1}}, <2 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i64> @llvm.usub.sat.v2i64(<2 x i64> %{{x|0}}, <2 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u64x4 #[no_mangle] pub unsafe fn usub_u64x4(x: u64x4, y: u64x4) -> u64x4 { - // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.usub.sat.v4i64(<4 x i64> %{{x|1}}, <4 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i64> @llvm.usub.sat.v4i64(<4 x i64> %{{x|0}}, <4 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u64x8 #[no_mangle] pub unsafe fn usub_u64x8(x: u64x8, y: u64x8) -> u64x8 { - // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.usub.sat.v8i64(<8 x i64> %{{x|1}}, <8 x i64> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <8 x i64> @llvm.usub.sat.v8i64(<8 x i64> %{{x|0}}, <8 x i64> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u128x2 #[no_mangle] pub unsafe fn usub_u128x2(x: u128x2, y: u128x2) -> u128x2 { - // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.usub.sat.v2i128(<2 x i128> %{{x|1}}, <2 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <2 x i128> @llvm.usub.sat.v2i128(<2 x i128> %{{x|0}}, <2 x i128> %{{y|1}}) simd_saturating_sub(x, y) } // CHECK-LABEL: @usub_u128x4 #[no_mangle] pub unsafe fn usub_u128x4(x: u128x4, y: u128x4) -> u128x4 { - // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.usub.sat.v4i128(<4 x i128> %{{x|1}}, <4 x i128> %{{y|2}}) + // CHECK: %{{[0-9]+}} = call <4 x i128> @llvm.usub.sat.v4i128(<4 x i128> %{{x|0}}, <4 x i128> %{{y|1}}) simd_saturating_sub(x, y) } diff --git a/tests/codegen/simd-intrinsic/simd-intrinsic-generic-extract-insert.rs b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-extract-insert.rs index 80583dec195..a5d2509d000 100644 --- a/tests/codegen/simd-intrinsic/simd-intrinsic-generic-extract-insert.rs +++ b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-extract-insert.rs @@ -35,13 +35,13 @@ pub unsafe fn extract_s(v: S<4>, i: u32) -> f32 { // CHECK-LABEL: @insert_m #[no_mangle] pub unsafe fn insert_m(v: M, i: u32, j: f32) -> M { - // CHECK: insertelement <4 x float> %{{v|1|2}}, float %j, i32 %i + // CHECK: insertelement <4 x float> %{{v|0|1}}, float %j, i32 %i simd_insert(v, i, j) } // CHECK-LABEL: @insert_s #[no_mangle] pub unsafe fn insert_s(v: S<4>, i: u32, j: f32) -> S<4> { - // CHECK: insertelement <4 x float> %{{v|1|2}}, float %j, i32 %i + // CHECK: insertelement <4 x float> %{{v|0|1}}, float %j, i32 %i simd_insert(v, i, j) } diff --git a/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs b/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs index fd488a14bd3..3a0e37de2f3 100644 --- a/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs +++ b/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs @@ -2,7 +2,6 @@ // compile-flags: -C no-prepopulate-passes #![crate_type = "lib"] - #![allow(non_camel_case_types)] #![feature(repr_simd, platform_intrinsics)] #![feature(inline_const)] @@ -44,7 +43,7 @@ pub fn build_array_s(x: [f32; 4]) -> S<4> { #[no_mangle] pub fn build_array_transmute_s(x: [f32; 4]) -> S<4> { // CHECK: %[[VAL:.+]] = load <4 x float>, {{ptr %x|.+>\* %.+}}, align [[ARRAY_ALIGN]] - // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %0|.+>\* %.+}}, align [[VECTOR_ALIGN]] + // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %_0|.+>\* %.+}}, align [[VECTOR_ALIGN]] unsafe { std::mem::transmute(x) } } @@ -59,7 +58,7 @@ pub fn build_array_t(x: [f32; 4]) -> T { #[no_mangle] pub fn build_array_transmute_t(x: [f32; 4]) -> T { // CHECK: %[[VAL:.+]] = load <4 x float>, {{ptr %x|.+>\* %.+}}, align [[ARRAY_ALIGN]] - // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %0|.+>\* %.+}}, align [[VECTOR_ALIGN]] + // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %_0|.+>\* %.+}}, align [[VECTOR_ALIGN]] unsafe { std::mem::transmute(x) } } @@ -78,6 +77,6 @@ pub fn build_array_u(x: [f32; 4]) -> U { #[no_mangle] pub fn build_array_transmute_u(x: [f32; 4]) -> U { // CHECK: %[[VAL:.+]] = load <4 x float>, {{ptr %x|.+>\* %.+}}, align [[ARRAY_ALIGN]] - // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %0|.+>\* %.+}}, align [[VECTOR_ALIGN]] + // CHECK: store <4 x float> %[[VAL:.+]], {{ptr %_0|.+>\* %.+}}, align [[VECTOR_ALIGN]] unsafe { std::mem::transmute(x) } } diff --git a/tests/codegen/simd_arith_offset.rs b/tests/codegen/simd_arith_offset.rs index f2333777391..74d7edc70d7 100644 --- a/tests/codegen/simd_arith_offset.rs +++ b/tests/codegen/simd_arith_offset.rs @@ -21,6 +21,6 @@ pub struct Simd<T, const LANES: usize>([T; LANES]); // CHECK-LABEL: smoke #[no_mangle] pub fn smoke(ptrs: SimdConstPtr<u8, 8>, offsets: Simd<usize, 8>) -> SimdConstPtr<u8, 8> { - // CHECK: getelementptr i8, <8 x {{i8\*|ptr}}> %1, <8 x i64> %2 + // CHECK: getelementptr i8, <8 x {{i8\*|ptr}}> %0, <8 x i64> %1 unsafe { simd_arith_offset(ptrs, offsets) } } diff --git a/tests/codegen/slice-iter-len-eq-zero.rs b/tests/codegen/slice-iter-len-eq-zero.rs index 894b0ec3de4..69f78cea564 100644 --- a/tests/codegen/slice-iter-len-eq-zero.rs +++ b/tests/codegen/slice-iter-len-eq-zero.rs @@ -9,8 +9,8 @@ type Demo = [u8; 3]; #[no_mangle] pub fn slice_iter_len_eq_zero(y: std::slice::Iter<'_, Demo>) -> bool { // CHECK-NOT: sub - // CHECK: %2 = icmp eq {{i8\*|ptr}} {{%1|%0}}, {{%1|%0}} - // CHECK: ret i1 %2 + // CHECK: %_0 = icmp eq {{i8\*|ptr}} {{%1|%0}}, {{%1|%0}} + // CHECK: ret i1 %_0 y.len() == 0 } @@ -22,7 +22,7 @@ pub fn array_into_iter_len_eq_zero(y: std::array::IntoIter<Demo, 123>) -> bool { // CHECK-NOT: icmp // CHECK-NOT: sub - // CHECK: %1 = icmp eq {{i16|i32|i64}} - // CHECK: ret i1 %1 + // CHECK: %_0 = icmp eq {{i16|i32|i64}} + // CHECK: ret i1 %_0 y.len() == 0 } diff --git a/tests/codegen/transmute-scalar.rs b/tests/codegen/transmute-scalar.rs index a0894a505c7..293b0d664f6 100644 --- a/tests/codegen/transmute-scalar.rs +++ b/tests/codegen/transmute-scalar.rs @@ -11,24 +11,24 @@ // that allows us to avoid the `alloca`s entirely; see `rvalue_creates_operand`. // CHECK-LABEL: define{{.*}}i32 @f32_to_bits(float %x) -// CHECK: %0 = bitcast float %x to i32 -// CHECK-NEXT: ret i32 %0 +// CHECK: %_0 = bitcast float %x to i32 +// CHECK-NEXT: ret i32 %_0 #[no_mangle] pub fn f32_to_bits(x: f32) -> u32 { unsafe { std::mem::transmute(x) } } // CHECK-LABEL: define{{.*}}i8 @bool_to_byte(i1 zeroext %b) -// CHECK: %0 = zext i1 %b to i8 -// CHECK-NEXT: ret i8 %0 +// CHECK: %_0 = zext i1 %b to i8 +// CHECK-NEXT: ret i8 %_0 #[no_mangle] pub fn bool_to_byte(b: bool) -> u8 { unsafe { std::mem::transmute(b) } } // CHECK-LABEL: define{{.*}}zeroext i1 @byte_to_bool(i8 %byte) -// CHECK: %0 = trunc i8 %byte to i1 -// CHECK-NEXT: ret i1 %0 +// CHECK: %_0 = trunc i8 %byte to i1 +// CHECK-NEXT: ret i1 %_0 #[no_mangle] pub unsafe fn byte_to_bool(byte: u8) -> bool { std::mem::transmute(byte) @@ -42,16 +42,16 @@ pub fn ptr_to_ptr(p: *mut u16) -> *mut u8 { } // CHECK: define{{.*}}[[USIZE:i[0-9]+]] @ptr_to_int(ptr %p) -// CHECK: %0 = ptrtoint ptr %p to [[USIZE]] -// CHECK-NEXT: ret [[USIZE]] %0 +// CHECK: %_0 = ptrtoint ptr %p to [[USIZE]] +// CHECK-NEXT: ret [[USIZE]] %_0 #[no_mangle] pub fn ptr_to_int(p: *mut u16) -> usize { unsafe { std::mem::transmute(p) } } // CHECK: define{{.*}}ptr @int_to_ptr([[USIZE]] %i) -// CHECK: %0 = inttoptr [[USIZE]] %i to ptr -// CHECK-NEXT: ret ptr %0 +// CHECK: %_0 = inttoptr [[USIZE]] %i to ptr +// CHECK-NEXT: ret ptr %_0 #[no_mangle] pub fn int_to_ptr(i: usize) -> *mut u16 { unsafe { std::mem::transmute(i) } diff --git a/tests/codegen/uninit-consts.rs b/tests/codegen/uninit-consts.rs index 54e9a9e9bb8..f169988e1f5 100644 --- a/tests/codegen/uninit-consts.rs +++ b/tests/codegen/uninit-consts.rs @@ -1,4 +1,5 @@ // compile-flags: -C no-prepopulate-passes +// min-llvm-version: 15.0 (for opaque pointers) // Check that we use undef (and not zero) for uninitialized bytes in constants. @@ -8,7 +9,7 @@ use std::mem::MaybeUninit; pub struct PartiallyUninit { x: u32, - y: MaybeUninit<[u8; 10]> + y: MaybeUninit<[u8; 10]>, } // CHECK: [[FULLY_UNINIT:@[0-9]+]] = private unnamed_addr constant <{ [10 x i8] }> undef @@ -25,7 +26,7 @@ pub struct PartiallyUninit { #[no_mangle] pub const fn fully_uninit() -> MaybeUninit<[u8; 10]> { const M: MaybeUninit<[u8; 10]> = MaybeUninit::uninit(); - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 1 %{{[0-9]+}}, {{i8\*|ptr}} align 1 {{.*}}[[FULLY_UNINIT]]{{.*}}, i{{(32|64)}} 10, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %_0, ptr align 1 {{.*}}[[FULLY_UNINIT]]{{.*}}, i{{(32|64)}} 10, i1 false) M } @@ -33,7 +34,7 @@ pub const fn fully_uninit() -> MaybeUninit<[u8; 10]> { #[no_mangle] pub const fn partially_uninit() -> PartiallyUninit { const X: PartiallyUninit = PartiallyUninit { x: 0xdeadbeef, y: MaybeUninit::uninit() }; - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 4 %{{[0-9]+}}, {{i8\*|ptr}} align 4 {{.*}}[[PARTIALLY_UNINIT]]{{.*}}, i{{(32|64)}} 16, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[PARTIALLY_UNINIT]]{{.*}}, i{{(32|64)}} 16, i1 false) X } @@ -41,7 +42,7 @@ pub const fn partially_uninit() -> PartiallyUninit { #[no_mangle] pub const fn uninit_padding_huge() -> [(u32, u8); 4096] { const X: [(u32, u8); 4096] = [(123, 45); 4096]; - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 4 %{{[0-9]+}}, {{i8\*|ptr}} align 4 {{.*}}[[UNINIT_PADDING_HUGE]]{{.*}}, i{{(32|64)}} 32768, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[UNINIT_PADDING_HUGE]]{{.*}}, i{{(32|64)}} 32768, i1 false) X } @@ -49,6 +50,6 @@ pub const fn uninit_padding_huge() -> [(u32, u8); 4096] { #[no_mangle] pub const fn fully_uninit_huge() -> MaybeUninit<[u32; 4096]> { const F: MaybeUninit<[u32; 4096]> = MaybeUninit::uninit(); - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 4 %{{[0-9]+}}, {{i8\*|ptr}} align 4 {{.*}}[[FULLY_UNINIT_HUGE]]{{.*}}, i{{(32|64)}} 16384, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[FULLY_UNINIT_HUGE]]{{.*}}, i{{(32|64)}} 16384, i1 false) F } diff --git a/tests/codegen/union-abi.rs b/tests/codegen/union-abi.rs index 8481ca8ccfa..653c5837daf 100644 --- a/tests/codegen/union-abi.rs +++ b/tests/codegen/union-abi.rs @@ -73,4 +73,4 @@ pub union UnionBool { b:bool } // CHECK: define {{(dso_local )?}}noundef zeroext i1 @test_UnionBool(i8 %b) #[no_mangle] pub fn test_UnionBool(b: UnionBool) -> bool { unsafe { b.b } } -// CHECK: %0 = trunc i8 %b to i1 +// CHECK: %_0 = trunc i8 %b to i1 diff --git a/tests/codegen/var-names.rs b/tests/codegen/var-names.rs index 53841df32e8..d4715efad73 100644 --- a/tests/codegen/var-names.rs +++ b/tests/codegen/var-names.rs @@ -9,7 +9,7 @@ pub fn test(a: u32, b: u32) -> u32 { // CHECK: %c = add i32 %a, %b let d = c; let e = d * a; - // CHECK-NEXT: %0 = mul i32 %c, %a + // CHECK-NEXT: %e = mul i32 %c, %a e - // CHECK-NEXT: ret i32 %0 + // CHECK-NEXT: ret i32 %e } diff --git a/tests/codegen/wasm_exceptions.rs b/tests/codegen/wasm_exceptions.rs new file mode 100644 index 00000000000..2b2359f5b6c --- /dev/null +++ b/tests/codegen/wasm_exceptions.rs @@ -0,0 +1,51 @@ +// only-wasm32-bare +// compile-flags: -C panic=unwind + +#![crate_type = "lib"] +#![feature(core_intrinsics)] +#![feature(rustc_attrs)] + +extern { + fn may_panic(); + + #[rustc_nounwind] + fn log_number(number: usize); +} + +struct LogOnDrop; + +impl Drop for LogOnDrop { + fn drop(&mut self) { + unsafe { log_number(0); } + } +} + +// CHECK-LABEL: @test_cleanup() {{.*}} @__gxx_wasm_personality_v0 +#[no_mangle] +pub fn test_cleanup() { + let _log_on_drop = LogOnDrop; + unsafe { may_panic(); } + + // CHECK-NOT: call + // CHECK: invoke void @may_panic() + // CHECK: %cleanuppad = cleanuppad within none [] +} + +// CHECK-LABEL: @test_rtry() {{.*}} @__gxx_wasm_personality_v0 +#[no_mangle] +pub fn test_rtry() { + unsafe { + core::intrinsics::r#try(|_| { + may_panic(); + }, core::ptr::null_mut(), |data, exception| { + log_number(data as usize); + log_number(exception as usize); + }); + } + + // CHECK-NOT: call + // CHECK: invoke void @may_panic() + // CHECK: {{.*}} = catchswitch within none [label {{.*}}] unwind to caller + // CHECK: {{.*}} = catchpad within {{.*}} [ptr null] + // CHECK: catchret +} diff --git a/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir b/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir index 93bf2b64deb..61aa89e445f 100644 --- a/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir +++ b/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir @@ -150,7 +150,7 @@ fn address_of_reborrow() -> () { StorageLive(_9); StorageLive(_10); _10 = &raw const (*_1); - _9 = move _10 as *const dyn std::marker::Send (Pointer(Unsize)); + _9 = move _10 as *const dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_10); AscribeUserType(_9, o, UserTypeProjection { base: UserType(1), projs: [] }); _8 = _9; @@ -159,13 +159,13 @@ fn address_of_reborrow() -> () { StorageLive(_11); StorageLive(_12); _12 = &raw const (*_1); - _11 = move _12 as *const [i32] (Pointer(Unsize)); + _11 = move _12 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_12); StorageDead(_11); StorageLive(_13); StorageLive(_14); _14 = &raw const (*_1); - _13 = move _14 as *const i32 (Pointer(ArrayToPointer)); + _13 = move _14 as *const i32 (PointerCoercion(ArrayToPointer)); StorageDead(_14); StorageDead(_13); StorageLive(_15); @@ -179,14 +179,14 @@ fn address_of_reborrow() -> () { StorageLive(_17); StorageLive(_18); _18 = &raw const (*_1); - _17 = move _18 as *const dyn std::marker::Send (Pointer(Unsize)); + _17 = move _18 as *const dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_18); FakeRead(ForLet(None), _17); AscribeUserType(_17, o, UserTypeProjection { base: UserType(7), projs: [] }); StorageLive(_19); StorageLive(_20); _20 = &raw const (*_1); - _19 = move _20 as *const [i32] (Pointer(Unsize)); + _19 = move _20 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_20); FakeRead(ForLet(None), _19); AscribeUserType(_19, o, UserTypeProjection { base: UserType(9), projs: [] }); @@ -204,7 +204,7 @@ fn address_of_reborrow() -> () { StorageLive(_25); StorageLive(_26); _26 = &raw const (*_3); - _25 = move _26 as *const dyn std::marker::Send (Pointer(Unsize)); + _25 = move _26 as *const dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_26); AscribeUserType(_25, o, UserTypeProjection { base: UserType(11), projs: [] }); _24 = _25; @@ -213,7 +213,7 @@ fn address_of_reborrow() -> () { StorageLive(_27); StorageLive(_28); _28 = &raw const (*_3); - _27 = move _28 as *const [i32] (Pointer(Unsize)); + _27 = move _28 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_28); StorageDead(_27); StorageLive(_29); @@ -227,14 +227,14 @@ fn address_of_reborrow() -> () { StorageLive(_31); StorageLive(_32); _32 = &raw const (*_3); - _31 = move _32 as *const dyn std::marker::Send (Pointer(Unsize)); + _31 = move _32 as *const dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_32); FakeRead(ForLet(None), _31); AscribeUserType(_31, o, UserTypeProjection { base: UserType(17), projs: [] }); StorageLive(_33); StorageLive(_34); _34 = &raw const (*_3); - _33 = move _34 as *const [i32] (Pointer(Unsize)); + _33 = move _34 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_34); FakeRead(ForLet(None), _33); AscribeUserType(_33, o, UserTypeProjection { base: UserType(19), projs: [] }); @@ -252,7 +252,7 @@ fn address_of_reborrow() -> () { StorageLive(_39); StorageLive(_40); _40 = &raw mut (*_3); - _39 = move _40 as *mut dyn std::marker::Send (Pointer(Unsize)); + _39 = move _40 as *mut dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_40); AscribeUserType(_39, o, UserTypeProjection { base: UserType(21), projs: [] }); _38 = _39; @@ -261,7 +261,7 @@ fn address_of_reborrow() -> () { StorageLive(_41); StorageLive(_42); _42 = &raw mut (*_3); - _41 = move _42 as *mut [i32] (Pointer(Unsize)); + _41 = move _42 as *mut [i32] (PointerCoercion(Unsize)); StorageDead(_42); StorageDead(_41); StorageLive(_43); @@ -275,14 +275,14 @@ fn address_of_reborrow() -> () { StorageLive(_45); StorageLive(_46); _46 = &raw mut (*_3); - _45 = move _46 as *mut dyn std::marker::Send (Pointer(Unsize)); + _45 = move _46 as *mut dyn std::marker::Send (PointerCoercion(Unsize)); StorageDead(_46); FakeRead(ForLet(None), _45); AscribeUserType(_45, o, UserTypeProjection { base: UserType(27), projs: [] }); StorageLive(_47); StorageLive(_48); _48 = &raw mut (*_3); - _47 = move _48 as *mut [i32] (Pointer(Unsize)); + _47 = move _48 as *mut [i32] (PointerCoercion(Unsize)); StorageDead(_48); FakeRead(ForLet(None), _47); AscribeUserType(_47, o, UserTypeProjection { base: UserType(29), projs: [] }); diff --git a/tests/mir-opt/building/issue_110508.rs b/tests/mir-opt/building/issue_110508.rs new file mode 100644 index 00000000000..bcbb1c29830 --- /dev/null +++ b/tests/mir-opt/building/issue_110508.rs @@ -0,0 +1,13 @@ +// EMIT_MIR issue_110508.{impl#0}-BAR.built.after.mir +// EMIT_MIR issue_110508.{impl#0}-SELF_BAR.built.after.mir + +enum Foo { + Bar(()), +} + +impl Foo { + const BAR: Foo = Foo::Bar(()); + const SELF_BAR: Foo = Self::Bar(()); +} + +fn main() {} diff --git a/tests/mir-opt/building/issue_110508.{impl#0}-BAR.built.after.mir b/tests/mir-opt/building/issue_110508.{impl#0}-BAR.built.after.mir new file mode 100644 index 00000000000..5fc6d911af3 --- /dev/null +++ b/tests/mir-opt/building/issue_110508.{impl#0}-BAR.built.after.mir @@ -0,0 +1,14 @@ +// MIR for `<impl at $DIR/issue_110508.rs:8:1: 8:9>::BAR` after built + +const <impl at $DIR/issue_110508.rs:8:1: 8:9>::BAR: Foo = { + let mut _0: Foo; + let mut _1: (); + + bb0: { + StorageLive(_1); + _1 = (); + _0 = Foo::Bar(move _1); + StorageDead(_1); + return; + } +} diff --git a/tests/mir-opt/building/issue_110508.{impl#0}-SELF_BAR.built.after.mir b/tests/mir-opt/building/issue_110508.{impl#0}-SELF_BAR.built.after.mir new file mode 100644 index 00000000000..1a892559971 --- /dev/null +++ b/tests/mir-opt/building/issue_110508.{impl#0}-SELF_BAR.built.after.mir @@ -0,0 +1,14 @@ +// MIR for `<impl at $DIR/issue_110508.rs:8:1: 8:9>::SELF_BAR` after built + +const <impl at $DIR/issue_110508.rs:8:1: 8:9>::SELF_BAR: Foo = { + let mut _0: Foo; + let mut _1: (); + + bb0: { + StorageLive(_1); + _1 = (); + _0 = Foo::Bar(move _1); + StorageDead(_1); + return; + } +} diff --git a/tests/mir-opt/building/receiver_ptr_mutability.main.built.after.mir b/tests/mir-opt/building/receiver_ptr_mutability.main.built.after.mir index b3db1d76ca7..fed5e68c3c9 100644 --- a/tests/mir-opt/building/receiver_ptr_mutability.main.built.after.mir +++ b/tests/mir-opt/building/receiver_ptr_mutability.main.built.after.mir @@ -39,7 +39,7 @@ fn main() -> () { StorageLive(_3); StorageLive(_4); _4 = _1; - _3 = move _4 as *const Test (Pointer(MutToConstPointer)); + _3 = move _4 as *const Test (PointerCoercion(MutToConstPointer)); StorageDead(_4); _2 = Test::x(move _3) -> [return: bb2, unwind: bb4]; } @@ -64,7 +64,7 @@ fn main() -> () { StorageLive(_11); StorageLive(_12); _12 = (*(*(*(*_5)))); - _11 = move _12 as *const Test (Pointer(MutToConstPointer)); + _11 = move _12 as *const Test (PointerCoercion(MutToConstPointer)); StorageDead(_12); _10 = Test::x(move _11) -> [return: bb3, unwind: bb4]; } diff --git a/tests/mir-opt/building/storage_live_dead_in_statics.XXX.built.after.mir b/tests/mir-opt/building/storage_live_dead_in_statics.XXX.built.after.mir index 1d7adfde4ed..683f63065f7 100644 --- a/tests/mir-opt/building/storage_live_dead_in_statics.XXX.built.after.mir +++ b/tests/mir-opt/building/storage_live_dead_in_statics.XXX.built.after.mir @@ -187,7 +187,7 @@ static XXX: &Foo = { StorageDead(_7); _5 = &_6; _4 = &(*_5); - _3 = move _4 as &[(u32, u32)] (Pointer(Unsize)); + _3 = move _4 as &[(u32, u32)] (PointerCoercion(Unsize)); StorageDead(_4); _2 = Foo { tup: const "hi", data: move _3 }; StorageDead(_3); diff --git a/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir b/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir index aca7b12c4c6..f0c35fe9782 100644 --- a/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir +++ b/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir @@ -8,7 +8,7 @@ fn roundtrip(_1: *const u8) -> *const u8 { bb0: { StorageLive(_2); _2 = _1 as *mut u8 (PtrToPtr); - _0 = move _2 as *const u8 (Pointer(MutToConstPointer)); + _0 = move _2 as *const u8 (PointerCoercion(MutToConstPointer)); StorageDead(_2); return; } diff --git a/tests/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff b/tests/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff index 0eee91469e6..14d2d7fc85c 100644 --- a/tests/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff +++ b/tests/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff @@ -22,7 +22,7 @@ - _2 = &_3; + _6 = const _; + _2 = &(*_6); - _1 = move _2 as &[&i32] (Pointer(Unsize)); + _1 = move _2 as &[&i32] (PointerCoercion(Unsize)); - StorageDead(_4); StorageDead(_2); _0 = core::slice::<impl [&i32]>::as_ptr(move _1) -> [return: bb1, unwind: bb2]; diff --git a/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff b/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff index 0b117f4aaa5..ffdd195eca3 100644 --- a/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff +++ b/tests/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff @@ -24,7 +24,7 @@ - _2 = &_3; + _6 = const _; + _2 = &(*_6); - _1 = move _2 as &[&i32] (Pointer(Unsize)); + _1 = move _2 as &[&i32] (PointerCoercion(Unsize)); - StorageDead(_4); StorageDead(_2); _0 = core::slice::<impl [&i32]>::as_ptr(move _1) -> [return: bb1, unwind: bb2]; diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff index 6d5e34f23e8..30402df47c2 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-abort.diff @@ -28,7 +28,7 @@ _9 = const _; _3 = &(*_9); _2 = &raw const (*_3); - _1 = move _2 as *const [i32] (Pointer(Unsize)); + _1 = move _2 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_2); StorageDead(_3); StorageLive(_5); diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff index 2c0e4844ecc..16d62daed29 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.panic-unwind.diff @@ -28,7 +28,7 @@ _9 = const _; _3 = &(*_9); _2 = &raw const (*_3); - _1 = move _2 as *const [i32] (Pointer(Unsize)); + _1 = move _2 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_2); StorageDead(_3); StorageLive(_5); diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff index 6d5e34f23e8..30402df47c2 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-abort.diff @@ -28,7 +28,7 @@ _9 = const _; _3 = &(*_9); _2 = &raw const (*_3); - _1 = move _2 as *const [i32] (Pointer(Unsize)); + _1 = move _2 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_2); StorageDead(_3); StorageLive(_5); diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff index 2c0e4844ecc..16d62daed29 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.panic-unwind.diff @@ -28,7 +28,7 @@ _9 = const _; _3 = &(*_9); _2 = &raw const (*_3); - _1 = move _2 as *const [i32] (Pointer(Unsize)); + _1 = move _2 as *const [i32] (PointerCoercion(Unsize)); StorageDead(_2); StorageDead(_3); StorageLive(_5); diff --git a/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff b/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff index 533a92f78a5..e7aa015d078 100644 --- a/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff +++ b/tests/mir-opt/const_prop/reify_fn_ptr.main.ConstProp.diff @@ -13,7 +13,7 @@ StorageLive(_1); StorageLive(_2); StorageLive(_3); - _3 = main as fn() (Pointer(ReifyFnPointer)); + _3 = main as fn() (PointerCoercion(ReifyFnPointer)); _2 = move _3 as usize (PointerExposeAddress); StorageDead(_3); _1 = move _2 as *const fn() (PointerFromExposedAddress); diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff index 2f64a185106..3c2b8e111cb 100644 --- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-abort.diff @@ -21,7 +21,7 @@ _9 = const _; _4 = _9; _3 = _4; - _2 = move _3 as &[u32] (Pointer(Unsize)); + _2 = move _3 as &[u32] (PointerCoercion(Unsize)); StorageDead(_3); StorageLive(_6); _6 = const 1_usize; diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff index c0f290a9ab4..303096030b4 100644 --- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.32bit.panic-unwind.diff @@ -21,7 +21,7 @@ _9 = const _; _4 = _9; _3 = _4; - _2 = move _3 as &[u32] (Pointer(Unsize)); + _2 = move _3 as &[u32] (PointerCoercion(Unsize)); StorageDead(_3); StorageLive(_6); _6 = const 1_usize; diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff index 2f64a185106..3c2b8e111cb 100644 --- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-abort.diff @@ -21,7 +21,7 @@ _9 = const _; _4 = _9; _3 = _4; - _2 = move _3 as &[u32] (Pointer(Unsize)); + _2 = move _3 as &[u32] (PointerCoercion(Unsize)); StorageDead(_3); StorageLive(_6); _6 = const 1_usize; diff --git a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff index c0f290a9ab4..303096030b4 100644 --- a/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/slice_len.main.ConstProp.64bit.panic-unwind.diff @@ -21,7 +21,7 @@ _9 = const _; _4 = _9; _3 = _4; - _2 = move _3 as &[u32] (Pointer(Unsize)); + _2 = move _3 as &[u32] (PointerCoercion(Unsize)); StorageDead(_3); StorageLive(_6); _6 = const 1_usize; diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff index a16d79d0e64..a802d0256d4 100644 --- a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff +++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff @@ -47,7 +47,7 @@ StorageLive(_6); StorageLive(_7); _7 = &_2; - _6 = move _7 as &[i32] (Pointer(Unsize)); + _6 = move _7 as &[i32] (PointerCoercion(Unsize)); StorageDead(_7); _5 = core::slice::<impl [i32]>::len(move _6) -> [return: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff index c2d892be35d..35f852098c3 100644 --- a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff +++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff @@ -47,7 +47,7 @@ StorageLive(_6); StorageLive(_7); _7 = &_2; - _6 = move _7 as &[i32] (Pointer(Unsize)); + _6 = move _7 as &[i32] (PointerCoercion(Unsize)); StorageDead(_7); _5 = core::slice::<impl [i32]>::len(move _6) -> [return: bb1, unwind continue]; } diff --git a/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff index 1f5e2428095..57b0849e111 100644 --- a/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-abort.diff @@ -31,7 +31,7 @@ _4 = &(*_2); - _0 = try_execute_query::<<Q as Query>::C>(move _4) -> [return: bb2, unwind unreachable]; + StorageLive(_5); -+ _5 = _4 as &dyn Cache<V = <Q as Query>::V> (Pointer(Unsize)); ++ _5 = _4 as &dyn Cache<V = <Q as Query>::V> (PointerCoercion(Unsize)); + _0 = <dyn Cache<V = <Q as Query>::V> as Cache>::store_nocache(_5) -> [return: bb2, unwind unreachable]; } diff --git a/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff index 941ba24605c..706c1d48195 100644 --- a/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/dyn_trait.get_query.Inline.panic-unwind.diff @@ -31,7 +31,7 @@ _4 = &(*_2); - _0 = try_execute_query::<<Q as Query>::C>(move _4) -> [return: bb2, unwind continue]; + StorageLive(_5); -+ _5 = _4 as &dyn Cache<V = <Q as Query>::V> (Pointer(Unsize)); ++ _5 = _4 as &dyn Cache<V = <Q as Query>::V> (PointerCoercion(Unsize)); + _0 = <dyn Cache<V = <Q as Query>::V> as Cache>::store_nocache(_5) -> [return: bb2, unwind continue]; } diff --git a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff index 1e4c6fcca7a..9a6d3596fb9 100644 --- a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-abort.diff @@ -14,7 +14,7 @@ StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &dyn Cache<V = <C as Cache>::V> (Pointer(Unsize)); + _2 = move _3 as &dyn Cache<V = <C as Cache>::V> (PointerCoercion(Unsize)); StorageDead(_3); - _0 = mk_cycle::<<C as Cache>::V>(move _2) -> [return: bb1, unwind unreachable]; + _0 = <dyn Cache<V = <C as Cache>::V> as Cache>::store_nocache(_2) -> [return: bb1, unwind unreachable]; diff --git a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff index 5e30da400d2..1a08df2b09b 100644 --- a/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/dyn_trait.try_execute_query.Inline.panic-unwind.diff @@ -14,7 +14,7 @@ StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &dyn Cache<V = <C as Cache>::V> (Pointer(Unsize)); + _2 = move _3 as &dyn Cache<V = <C as Cache>::V> (PointerCoercion(Unsize)); StorageDead(_3); - _0 = mk_cycle::<<C as Cache>::V>(move _2) -> [return: bb1, unwind continue]; + _0 = <dyn Cache<V = <C as Cache>::V> as Cache>::store_nocache(_2) -> [return: bb1, unwind continue]; diff --git a/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff index f3a6923415a..dfc00026ad0 100644 --- a/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-abort.diff @@ -164,7 +164,7 @@ + StorageDead(_17); + StorageLive(_19); + StorageLive(_20); -+ _19 = _16 as *const u8 (Pointer(MutToConstPointer)); ++ _19 = _16 as *const u8 (PointerCoercion(MutToConstPointer)); + _15 = NonNull::<u8> { pointer: _19 }; + StorageDead(_20); + StorageDead(_19); diff --git a/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff index 0b643b3c7a9..f582adda88f 100644 --- a/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/inline_into_box_place.main.Inline.panic-unwind.diff @@ -181,7 +181,7 @@ + StorageDead(_17); + StorageLive(_19); + StorageLive(_20); -+ _19 = _16 as *const u8 (Pointer(MutToConstPointer)); ++ _19 = _16 as *const u8 (PointerCoercion(MutToConstPointer)); + _15 = NonNull::<u8> { pointer: _19 }; + StorageDead(_20); + StorageDead(_19); diff --git a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir index 62c0805548b..503f153089c 100644 --- a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir +++ b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-abort.mir @@ -13,7 +13,7 @@ fn test2(_1: &dyn X) -> bool { StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &dyn X (Pointer(Unsize)); + _2 = move _3 as &dyn X (PointerCoercion(Unsize)); StorageDead(_3); _0 = <dyn X as X>::y(_2) -> [return: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir index 5d4979680a4..37bb53e79c6 100644 --- a/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir +++ b/tests/mir-opt/inline/inline_trait_method_2.test2.Inline.after.panic-unwind.mir @@ -13,7 +13,7 @@ fn test2(_1: &dyn X) -> bool { StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &dyn X (Pointer(Unsize)); + _2 = move _3 as &dyn X (PointerCoercion(Unsize)); StorageDead(_3); _0 = <dyn X as X>::y(_2) -> [return: bb1, unwind continue]; } diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff index f2a925273db..1cc44ce06cf 100644 --- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff +++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff @@ -32,7 +32,7 @@ StorageLive(_5); _5 = [_1, _1, _1]; _4 = &_5; - _2 = _4 as &[T] (Pointer(Unsize)); + _2 = _4 as &[T] (PointerCoercion(Unsize)); _9 = Len((*_2)); _10 = const 3_usize; - _11 = Eq(move _9, const 3_usize); diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff index 25df839c2db..b708f667438 100644 --- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff +++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff @@ -32,7 +32,7 @@ StorageLive(_5); _5 = [_1, _1, _1]; _4 = &_5; - _2 = _4 as &[T] (Pointer(Unsize)); + _2 = _4 as &[T] (PointerCoercion(Unsize)); _9 = Len((*_2)); _10 = const 3_usize; - _11 = Eq(move _9, const 3_usize); diff --git a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff index de6c2366dbb..6174d5259d0 100644 --- a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-abort.diff @@ -22,7 +22,7 @@ StorageLive(_6); StorageLive(_7); _7 = &(*_2); - _6 = move _7 as &[u8] (Pointer(Unsize)); + _6 = move _7 as &[u8] (PointerCoercion(Unsize)); StorageDead(_7); - _5 = Len((*_6)); + _5 = const N; diff --git a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff index 1cba0f27afa..60c0772d8ec 100644 --- a/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_bound.NormalizeArrayLen.panic-unwind.diff @@ -22,7 +22,7 @@ StorageLive(_6); StorageLive(_7); _7 = &(*_2); - _6 = move _7 as &[u8] (Pointer(Unsize)); + _6 = move _7 as &[u8] (PointerCoercion(Unsize)); StorageDead(_7); - _5 = Len((*_6)); + _5 = const N; diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff index 76175afc2f8..e2de1845296 100644 --- a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-abort.diff @@ -25,7 +25,7 @@ StorageLive(_6); StorageLive(_7); _7 = &(*_2); - _6 = move _7 as &[u8] (Pointer(Unsize)); + _6 = move _7 as &[u8] (PointerCoercion(Unsize)); StorageDead(_7); - _5 = Len((*_6)); + _5 = const N; diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff index 6c450067cc4..eb81e0eea2c 100644 --- a/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.panic-unwind.diff @@ -25,7 +25,7 @@ StorageLive(_6); StorageLive(_7); _7 = &(*_2); - _6 = move _7 as &[u8] (Pointer(Unsize)); + _6 = move _7 as &[u8] (PointerCoercion(Unsize)); StorageDead(_7); - _5 = Len((*_6)); + _5 = const N; diff --git a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff index a20d5288c40..1bdc62183c3 100644 --- a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-abort.diff @@ -11,7 +11,7 @@ StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); - _0 = Len((*_2)); + _0 = const N; diff --git a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff index a20d5288c40..1bdc62183c3 100644 --- a/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff @@ -11,7 +11,7 @@ StorageLive(_2); StorageLive(_3); _3 = &(*_1); - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); - _0 = Len((*_2)); + _0 = const N; diff --git a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff index c3842bf4edc..9862b2fad8e 100644 --- a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-abort.diff @@ -11,7 +11,7 @@ StorageLive(_2); StorageLive(_3); _3 = &_1; - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); - _0 = Len((*_2)); + _0 = const N; diff --git a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff index c3842bf4edc..9862b2fad8e 100644 --- a/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_len_by_value.NormalizeArrayLen.panic-unwind.diff @@ -11,7 +11,7 @@ StorageLive(_2); StorageLive(_3); _3 = &_1; - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); - _0 = Len((*_2)); + _0 = const N; diff --git a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff index c407482d17b..f9f73bf991d 100644 --- a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-abort.diff @@ -25,7 +25,7 @@ StorageLive(_4); _4 = &_1; _3 = &(*_4); - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); StorageDead(_4); StorageLive(_5); diff --git a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff index c407482d17b..f9f73bf991d 100644 --- a/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_len_raw.NormalizeArrayLen.panic-unwind.diff @@ -25,7 +25,7 @@ StorageLive(_4); _4 = &_1; _3 = &(*_4); - _2 = move _3 as &[u8] (Pointer(Unsize)); + _2 = move _3 as &[u8] (PointerCoercion(Unsize)); StorageDead(_3); StorageDead(_4); StorageLive(_5); diff --git a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff index f50f7baa6e3..ecba06a2e4d 100644 --- a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-abort.diff @@ -22,7 +22,7 @@ StorageLive(_4); _4 = &mut _1; _3 = &mut (*_4); - _2 = move _3 as &mut [u8] (Pointer(Unsize)); + _2 = move _3 as &mut [u8] (PointerCoercion(Unsize)); StorageDead(_3); StorageDead(_4); StorageLive(_5); diff --git a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff index f50f7baa6e3..ecba06a2e4d 100644 --- a/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_len_reborrow.NormalizeArrayLen.panic-unwind.diff @@ -22,7 +22,7 @@ StorageLive(_4); _4 = &mut _1; _3 = &mut (*_4); - _2 = move _3 as &mut [u8] (Pointer(Unsize)); + _2 = move _3 as &mut [u8] (PointerCoercion(Unsize)); StorageDead(_3); StorageDead(_4); StorageLive(_5); diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir index a337ca89992..e07e2bb7bfe 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir @@ -78,7 +78,7 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> StorageLive(_12); StorageLive(_11); StorageLive(_10); - _10 = _9 as *const () (Pointer(MutToConstPointer)); + _10 = _9 as *const () (PointerCoercion(MutToConstPointer)); _11 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _10, metadata: _6 }; StorageDead(_10); _12 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _11 }; diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir index a337ca89992..e07e2bb7bfe 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir @@ -78,7 +78,7 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> StorageLive(_12); StorageLive(_11); StorageLive(_10); - _10 = _9 as *const () (Pointer(MutToConstPointer)); + _10 = _9 as *const () (PointerCoercion(MutToConstPointer)); _11 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _10, metadata: _6 }; StorageDead(_10); _12 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _11 }; diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir index 1e401c60bf3..d1ab16697a6 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir @@ -131,7 +131,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_24); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_24); StorageDead(_10); diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 8294a5cb6dc..03751f7fdf7 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -131,7 +131,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_24); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_24); StorageDead(_10); diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir index c1c7861b9c9..db971e10f32 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -121,7 +121,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_22); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_22); StorageDead(_10); diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir index ff40e450968..74597799168 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -121,7 +121,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_22); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_22); StorageDead(_10); diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir index 851d3311365..e546140e0c1 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir @@ -133,7 +133,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_24); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_24); StorageDead(_10); diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir index b40d9209d25..551cac46bdf 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir @@ -133,7 +133,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _9 = _4 as *mut T (PtrToPtr); StorageLive(_10); StorageLive(_24); - _10 = _9 as *const T (Pointer(MutToConstPointer)); + _10 = _9 as *const T (PointerCoercion(MutToConstPointer)); _11 = NonNull::<T> { pointer: _10 }; StorageDead(_24); StorageDead(_10); diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir index 3c48e798ef7..70efdbf4b34 100644 --- a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir +++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir @@ -69,7 +69,7 @@ fn array_casts() -> () { StorageLive(_4); _4 = &mut _1; _3 = &raw mut (*_4); - _2 = move _3 as *mut usize (Pointer(ArrayToPointer)); + _2 = move _3 as *mut usize (PointerCoercion(ArrayToPointer)); StorageDead(_3); StorageDead(_4); StorageLive(_5); @@ -92,7 +92,7 @@ fn array_casts() -> () { StorageLive(_11); _11 = &_8; _10 = &raw const (*_11); - _9 = move _10 as *const usize (Pointer(ArrayToPointer)); + _9 = move _10 as *const usize (PointerCoercion(ArrayToPointer)); StorageDead(_10); StorageDead(_11); StorageLive(_12); diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir index 93f14af29b4..cfa9628d498 100644 --- a/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir +++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir @@ -69,7 +69,7 @@ fn array_casts() -> () { StorageLive(_4); _4 = &mut _1; _3 = &raw mut (*_4); - _2 = move _3 as *mut usize (Pointer(ArrayToPointer)); + _2 = move _3 as *mut usize (PointerCoercion(ArrayToPointer)); StorageDead(_3); StorageDead(_4); StorageLive(_5); @@ -92,7 +92,7 @@ fn array_casts() -> () { StorageLive(_11); _11 = &_8; _10 = &raw const (*_11); - _9 = move _10 as *const usize (Pointer(ArrayToPointer)); + _9 = move _10 as *const usize (PointerCoercion(ArrayToPointer)); StorageDead(_10); StorageDead(_11); StorageLive(_12); diff --git a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir index 606a8ec44ec..fb37bec109a 100644 --- a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir +++ b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir @@ -105,7 +105,7 @@ fn main() -> () { StorageLive(_14); _14 = [closure@main::{closure#0}]; Retag(_14); - _13 = move _14 as for<'a> fn(&'a i32) -> &'a i32 (Pointer(ClosureFnPointer(Normal))); + _13 = move _14 as for<'a> fn(&'a i32) -> &'a i32 (PointerCoercion(ClosureFnPointer(Normal))); StorageDead(_14); StorageLive(_15); StorageLive(_16); diff --git a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir index 45034946328..508f964099a 100644 --- a/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir +++ b/tests/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir @@ -105,7 +105,7 @@ fn main() -> () { StorageLive(_14); _14 = [closure@main::{closure#0}]; Retag(_14); - _13 = move _14 as for<'a> fn(&'a i32) -> &'a i32 (Pointer(ClosureFnPointer(Normal))); + _13 = move _14 as for<'a> fn(&'a i32) -> &'a i32 (PointerCoercion(ClosureFnPointer(Normal))); StorageDead(_14); StorageLive(_15); StorageLive(_16); diff --git a/tests/mir-opt/simplify_locals.c.SimplifyLocals-before-const-prop.diff b/tests/mir-opt/simplify_locals.c.SimplifyLocals-before-const-prop.diff index 7546b3878d6..7cc5e335cb0 100644 --- a/tests/mir-opt/simplify_locals.c.SimplifyLocals-before-const-prop.diff +++ b/tests/mir-opt/simplify_locals.c.SimplifyLocals-before-const-prop.diff @@ -21,7 +21,7 @@ - StorageLive(_4); - _4 = &_1; - _3 = &(*_4); -- _2 = move _3 as &[u8] (Pointer(Unsize)); +- _2 = move _3 as &[u8] (PointerCoercion(Unsize)); - StorageDead(_3); - StorageDead(_4); - StorageDead(_2); diff --git a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff index 84247c0e8d5..bb14b909a95 100644 --- a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff +++ b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff @@ -62,7 +62,7 @@ } bb1: { - _3 = move _4 as std::boxed::Box<dyn std::fmt::Display> (Pointer(Unsize)); + _3 = move _4 as std::boxed::Box<dyn std::fmt::Display> (PointerCoercion(Unsize)); StorageDead(_4); _2 = Result::<Box<dyn std::fmt::Display>, <T as Err>::Err>::Ok(move _3); StorageDead(_3); @@ -95,7 +95,7 @@ _26 = const _; _14 = &(*_26); _13 = &(*_14); - _12 = move _13 as &[&str] (Pointer(Unsize)); + _12 = move _13 as &[&str] (PointerCoercion(Unsize)); StorageDead(_13); StorageLive(_16); StorageLive(_17); @@ -126,7 +126,7 @@ StorageDead(_20); _18 = &_19; _17 = &(*_18); - _16 = move _17 as &[core::fmt::rt::Argument<'_>] (Pointer(Unsize)); + _16 = move _17 as &[core::fmt::rt::Argument<'_>] (PointerCoercion(Unsize)); StorageDead(_17); _11 = Arguments::<'_>::new_v1(move _12, move _16) -> [return: bb5, unwind unreachable]; } diff --git a/tests/run-coverage/uses_crate.coverage b/tests/run-coverage/uses_crate.coverage index a3b78e21405..ccdcf350334 100644 --- a/tests/run-coverage/uses_crate.coverage +++ b/tests/run-coverage/uses_crate.coverage @@ -148,8 +148,8 @@ $DIR/auxiliary/used_crate.rs: 100| |// `unused_generic_function<T>()`, below. $DIR/uses_crate.rs: - 1| |// FIXME #110395 - 2| |// ignore-linux + 1| |// This test was failing on Linux for a while due to #110393 somehow making + 2| |// the unused functions not instrumented, but it seems to be fine now. 3| | 4| |// Validates coverage now works with optimizations 5| |// compile-flags: -C opt-level=3 diff --git a/tests/run-coverage/uses_crate.rs b/tests/run-coverage/uses_crate.rs index ab466970f8e..ab203ad781d 100644 --- a/tests/run-coverage/uses_crate.rs +++ b/tests/run-coverage/uses_crate.rs @@ -1,5 +1,5 @@ -// FIXME #110395 -// ignore-linux +// This test was failing on Linux for a while due to #110393 somehow making +// the unused functions not instrumented, but it seems to be fine now. // Validates coverage now works with optimizations // compile-flags: -C opt-level=3 diff --git a/tests/run-coverage/uses_inline_crate.coverage b/tests/run-coverage/uses_inline_crate.coverage index f878d8107c5..64308c796d6 100644 --- a/tests/run-coverage/uses_inline_crate.coverage +++ b/tests/run-coverage/uses_inline_crate.coverage @@ -139,8 +139,8 @@ $DIR/auxiliary/used_inline_crate.rs: 90| 2|} $DIR/uses_inline_crate.rs: - 1| |// FIXME #110395 - 2| |// ignore-linux + 1| |// This test was failing on Linux for a while due to #110393 somehow making + 2| |// the unused functions not instrumented, but it seems to be fine now. 3| | 4| |// Validates coverage now works with optimizations 5| |// compile-flags: -C opt-level=3 diff --git a/tests/run-coverage/uses_inline_crate.rs b/tests/run-coverage/uses_inline_crate.rs index 4bd66d2f89c..d7b4c3c057f 100644 --- a/tests/run-coverage/uses_inline_crate.rs +++ b/tests/run-coverage/uses_inline_crate.rs @@ -1,5 +1,5 @@ -// FIXME #110395 -// ignore-linux +// This test was failing on Linux for a while due to #110393 somehow making +// the unused functions not instrumented, but it seems to be fine now. // Validates coverage now works with optimizations // compile-flags: -C opt-level=3 diff --git a/tests/run-make/wasm-exceptions-nostd/Makefile b/tests/run-make/wasm-exceptions-nostd/Makefile new file mode 100644 index 00000000000..34755ec14b7 --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/Makefile @@ -0,0 +1,12 @@ +include ../tools.mk + +# only-wasm32-bare + +# Add a few command line args to make exceptions work +RUSTC := $(RUSTC) -C llvm-args=-wasm-enable-eh +RUSTC := $(RUSTC) -C target-feature=+exception-handling +RUSTC := $(RUSTC) -C panic=unwind + +all: + $(RUSTC) src/lib.rs --target wasm32-unknown-unknown + $(NODE) verify.mjs $(TMPDIR)/lib.wasm diff --git a/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs b/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs new file mode 100644 index 00000000000..572d253309c --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs @@ -0,0 +1,67 @@ +use core::alloc::{GlobalAlloc, Layout}; +use core::cell::UnsafeCell; + +#[global_allocator] +static ALLOCATOR: ArenaAllocator = ArenaAllocator::new(); + +/// Very simple allocator which never deallocates memory +/// +/// Based on the example from +/// https://doc.rust-lang.org/stable/std/alloc/trait.GlobalAlloc.html +pub struct ArenaAllocator { + arena: UnsafeCell<Arena>, +} + +impl ArenaAllocator { + pub const fn new() -> Self { + Self { + arena: UnsafeCell::new(Arena::new()), + } + } +} + +/// Safe because we are singlethreaded +unsafe impl Sync for ArenaAllocator {} + +unsafe impl GlobalAlloc for ArenaAllocator { + unsafe fn alloc(&self, layout: Layout) -> *mut u8 { + let arena = &mut *self.arena.get(); + arena.alloc(layout) + } + + unsafe fn dealloc(&self, _ptr: *mut u8, _layout: Layout) {} +} + +const ARENA_SIZE: usize = 64 * 1024; // more than enough + +#[repr(C, align(4096))] +struct Arena { + buf: [u8; ARENA_SIZE], // aligned at 4096 + allocated: usize, +} + +impl Arena { + pub const fn new() -> Self { + Self { + buf: [0x55; ARENA_SIZE], + allocated: 0, + } + } + + pub unsafe fn alloc(&mut self, layout: Layout) -> *mut u8 { + if layout.align() > 4096 || layout.size() > ARENA_SIZE { + return core::ptr::null_mut(); + } + + let align_minus_one = layout.align() - 1; + let start = (self.allocated + align_minus_one) & !align_minus_one; // round up + let new_cursor = start + layout.size(); + + if new_cursor >= ARENA_SIZE { + return core::ptr::null_mut(); + } + + self.allocated = new_cursor; + self.buf.as_mut_ptr().add(start) + } +} diff --git a/tests/run-make/wasm-exceptions-nostd/src/lib.rs b/tests/run-make/wasm-exceptions-nostd/src/lib.rs new file mode 100644 index 00000000000..7049d2fd9e0 --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/src/lib.rs @@ -0,0 +1,60 @@ +#![no_std] +#![crate_type = "cdylib"] + +// Allow a few unstable features because we create a panic +// runtime for native wasm exceptions from scratch + +#![feature(core_intrinsics)] +#![feature(lang_items)] +#![feature(link_llvm_intrinsics)] +#![feature(panic_info_message)] + +extern crate alloc; + +/// This module allows us to use `Box`, `String`, ... even in no-std +mod arena_alloc; + +/// This module allows logging text, even in no-std +mod logging; + +/// This module allows exceptions, even in no-std +#[cfg(target_arch = "wasm32")] +mod panicking; + +use alloc::boxed::Box; +use alloc::string::String; + +struct LogOnDrop; + +impl Drop for LogOnDrop { + fn drop(&mut self) { + logging::log_str("Dropped"); + } +} + +#[allow(unreachable_code)] +#[allow(unconditional_panic)] +#[no_mangle] +pub extern "C" fn start() -> usize { + let data = 0x1234usize as *mut u8; // Something to recognize + + unsafe { + core::intrinsics::r#try(|data: *mut u8| { + let _log_on_drop = LogOnDrop; + + logging::log_str(&alloc::format!("`r#try` called with ptr {:?}", data)); + let x = [12]; + let _ = x[4]; // should panic + + logging::log_str("This line should not be visible! :("); + }, data, |data, exception| { + let exception = *Box::from_raw(exception as *mut String); + logging::log_str("Caught something!"); + logging::log_str(&alloc::format!(" data : {:?}", data)); + logging::log_str(&alloc::format!(" exception: {:?}", exception)); + }); + } + + logging::log_str("This program terminates correctly."); + 0 +} diff --git a/tests/run-make/wasm-exceptions-nostd/src/logging.rs b/tests/run-make/wasm-exceptions-nostd/src/logging.rs new file mode 100644 index 00000000000..569d03ec82f --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/src/logging.rs @@ -0,0 +1,9 @@ +extern "C" { + fn __log_utf8(ptr: *const u8, size: usize); +} + +pub fn log_str(text: &str) { + unsafe { + __log_utf8(text.as_ptr(), text.len()); + } +} diff --git a/tests/run-make/wasm-exceptions-nostd/src/panicking.rs b/tests/run-make/wasm-exceptions-nostd/src/panicking.rs new file mode 100644 index 00000000000..4a8923fd43d --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/src/panicking.rs @@ -0,0 +1,29 @@ +#[lang = "eh_personality"] +fn eh_personality() {} + +mod internal { + extern "C" { + #[link_name = "llvm.wasm.throw"] + pub fn wasm_throw(tag: i32, ptr: *mut u8) -> !; + } +} + +unsafe fn wasm_throw(ptr: *mut u8) -> ! { + internal::wasm_throw(0, ptr); +} + +#[panic_handler] +fn panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { + use alloc::boxed::Box; + use alloc::string::ToString; + + let msg = info + .message() + .map(|msg| msg.to_string()) + .unwrap_or("(no message)".to_string()); + let exception = Box::new(msg.to_string()); + unsafe { + let exception_raw = Box::into_raw(exception); + wasm_throw(exception_raw as *mut u8); + } +} diff --git a/tests/run-make/wasm-exceptions-nostd/verify.mjs b/tests/run-make/wasm-exceptions-nostd/verify.mjs new file mode 100644 index 00000000000..e6c44d89d33 --- /dev/null +++ b/tests/run-make/wasm-exceptions-nostd/verify.mjs @@ -0,0 +1,75 @@ +import fs from 'fs'; + +const dec = new TextDecoder("utf-8"); + +if (process.argv.length != 3) { + console.log("Usage: node verify.mjs <wasm-file>"); + process.exit(0); +} + +const wasmfile = process.argv[2]; +if (!fs.existsSync(wasmfile)) { + console.log("Error: File not found:", wasmfile); + process.exit(1); +} + +const wasmBuffer = fs.readFileSync(wasmfile); + +async function main() { + + let memory = new ArrayBuffer(0) // will be changed after instantiate + + const captured_output = []; + + const imports = { + env: { + __log_utf8: (ptr, size) => { + const str = dec.decode(new DataView(memory, ptr, size)); + captured_output.push(str); + console.log(str); + } + } + }; + + const wasmModule = await WebAssembly.instantiate(wasmBuffer, imports); + memory = wasmModule.instance.exports.memory.buffer; + + const start = wasmModule.instance.exports.start; + const return_code = start(); + + console.log("Return-Code:", return_code); + + if (return_code !== 0) { + console.error("Expected return code 0"); + process.exit(return_code); + } + + const expected_output = [ + '`r#try` called with ptr 0x1234', + 'Dropped', + 'Caught something!', + ' data : 0x1234', + ' exception: "index out of bounds: the len is 1 but the index is 4"', + 'This program terminates correctly.', + ]; + + assert_equal(captured_output, expected_output); +} + +function assert_equal(captured_output, expected_output) { + if (captured_output.length != expected_output.length) { + console.error("Unexpected number of output lines. Got", captured_output.length, "but expected", expected_output.length); + process.exit(1); // exit with error + } + + for (let idx = 0; idx < expected_output.length; ++idx) { + if (captured_output[idx] !== expected_output[idx]) { + console.error("Unexpected output"); + console.error("[got] ", captured_output[idx]); + console.error("[expected]", expected_output[idx]); + process.exit(2); // exit with error + } + } +} + +await main(); \ No newline at end of file diff --git a/tests/rustdoc-gui/sidebar-source-code.goml b/tests/rustdoc-gui/sidebar-source-code.goml index 520b2c59b0f..2cb88817884 100644 --- a/tests/rustdoc-gui/sidebar-source-code.goml +++ b/tests/rustdoc-gui/sidebar-source-code.goml @@ -25,24 +25,24 @@ call-function: ( "check-colors", { "theme": "ayu", - "color": "rgb(197, 197, 197)", - "background_color": "rgb(20, 25, 31)", + "color": "#c5c5c5", + "background_color": "#14191f", } ) call-function: ( "check-colors", { "theme": "dark", - "color": "rgb(221, 221, 221)", - "background_color": "rgb(80, 80, 80)", + "color": "#ddd", + "background_color": "#505050", } ) call-function: ( "check-colors", { "theme": "light", - "color": "rgb(0, 0, 0)", - "background_color": "rgb(245, 245, 245)", + "color": "black", + "background_color": "#F5F5F5", } ) diff --git a/tests/ui-fulldeps/stable-mir/crate-info.rs b/tests/ui-fulldeps/stable-mir/crate-info.rs index 9ef208a14b2..f55d7d599f1 100644 --- a/tests/ui-fulldeps/stable-mir/crate-info.rs +++ b/tests/ui-fulldeps/stable-mir/crate-info.rs @@ -7,6 +7,7 @@ // edition: 2021 #![feature(rustc_private)] +#![feature(assert_matches)] extern crate rustc_driver; extern crate rustc_hir; @@ -21,6 +22,7 @@ use rustc_interface::{interface, Queries}; use rustc_middle::ty::TyCtxt; use rustc_session::EarlyErrorHandler; use rustc_smir::{rustc_internal, stable_mir}; +use std::assert_matches::assert_matches; use std::io::Write; const CRATE_NAME: &str = "input"; @@ -65,6 +67,36 @@ fn test_stable_mir(tcx: TyCtxt<'_>) { other => panic!("{other:?}"), } + let types = get_item(tcx, &items, (DefKind::Fn, "types")).unwrap(); + let body = types.body(); + assert_eq!(body.locals.len(), 6); + assert_matches!( + body.locals[0].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Bool) + ); + assert_matches!( + body.locals[1].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Bool) + ); + assert_matches!( + body.locals[2].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Char) + ); + assert_matches!( + body.locals[3].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Int(stable_mir::ty::IntTy::I32)) + ); + assert_matches!( + body.locals[4].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Uint(stable_mir::ty::UintTy::U64)) + ); + assert_matches!( + body.locals[5].kind(), + stable_mir::ty::TyKind::RigidTy(stable_mir::ty::RigidTy::Float( + stable_mir::ty::FloatTy::F64 + )) + ); + let drop = get_item(tcx, &items, (DefKind::Fn, "drop")).unwrap(); let body = drop.body(); assert_eq!(body.blocks.len(), 2); @@ -156,6 +188,10 @@ fn generate_input(path: &str) -> std::io::Result<()> { x_64.wrapping_add(y_64) }} + pub fn types(b: bool, _: char, _: i32, _: u64, _: f64) -> bool {{ + b + }} + pub fn drop(_: String) {{}} pub fn assert(x: i32) -> i32 {{ diff --git a/tests/ui/async-await/in-trait/async-associated-types2.rs b/tests/ui/async-await/in-trait/async-associated-types2.rs deleted file mode 100644 index b889f616a03..00000000000 --- a/tests/ui/async-await/in-trait/async-associated-types2.rs +++ /dev/null @@ -1,30 +0,0 @@ -// check-pass -// edition: 2021 -// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty -// revisions: current next - -#![feature(async_fn_in_trait)] -#![feature(impl_trait_in_assoc_type)] -#![allow(incomplete_features)] - -use std::future::Future; - -trait MyTrait { - type Fut<'a>: Future<Output = i32> - where - Self: 'a; - - fn foo<'a>(&'a self) -> Self::Fut<'a>; -} - -impl MyTrait for i32 { - type Fut<'a> = impl Future<Output = i32> + 'a - where - Self: 'a; - - fn foo<'a>(&'a self) -> Self::Fut<'a> { - async { *self } - } -} - -fn main() {} diff --git a/tests/ui/async-await/in-trait/missing-feature-flag.current.stderr b/tests/ui/async-await/in-trait/missing-feature-flag.current.stderr new file mode 100644 index 00000000000..e6ac9bc2277 --- /dev/null +++ b/tests/ui/async-await/in-trait/missing-feature-flag.current.stderr @@ -0,0 +1,30 @@ +error[E0046]: not all trait items implemented, missing: `foo` + --> $DIR/missing-feature-flag.rs:14:1 + | +LL | async fn foo(_: T) -> &'static str; + | ----------------------------------- `foo` from trait +... +LL | impl<T> MyTrait<T> for MyStruct {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation + +error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default` + --> $DIR/missing-feature-flag.rs:18:5 + | +LL | impl<T> MyTrait<T> for MyStruct {} + | ------------------------------- parent `impl` is here +... +LL | async fn foo(_: i32) -> &'static str {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `foo` + | + = note: to specialize, `foo` in the parent `impl` must be marked `default` + +error[E0308]: mismatched types + --> $DIR/missing-feature-flag.rs:18:42 + | +LL | async fn foo(_: i32) -> &'static str {} + | ^^ expected `&str`, found `()` + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0046, E0308, E0520. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/async-await/in-trait/missing-feature-flag.next.stderr b/tests/ui/async-await/in-trait/missing-feature-flag.next.stderr new file mode 100644 index 00000000000..e6ac9bc2277 --- /dev/null +++ b/tests/ui/async-await/in-trait/missing-feature-flag.next.stderr @@ -0,0 +1,30 @@ +error[E0046]: not all trait items implemented, missing: `foo` + --> $DIR/missing-feature-flag.rs:14:1 + | +LL | async fn foo(_: T) -> &'static str; + | ----------------------------------- `foo` from trait +... +LL | impl<T> MyTrait<T> for MyStruct {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation + +error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default` + --> $DIR/missing-feature-flag.rs:18:5 + | +LL | impl<T> MyTrait<T> for MyStruct {} + | ------------------------------- parent `impl` is here +... +LL | async fn foo(_: i32) -> &'static str {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `foo` + | + = note: to specialize, `foo` in the parent `impl` must be marked `default` + +error[E0308]: mismatched types + --> $DIR/missing-feature-flag.rs:18:42 + | +LL | async fn foo(_: i32) -> &'static str {} + | ^^ expected `&str`, found `()` + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0046, E0308, E0520. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/async-await/in-trait/missing-feature-flag.rs b/tests/ui/async-await/in-trait/missing-feature-flag.rs new file mode 100644 index 00000000000..6481f4a7059 --- /dev/null +++ b/tests/ui/async-await/in-trait/missing-feature-flag.rs @@ -0,0 +1,23 @@ +// edition:2018 +// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty +// revisions: current next + +#![feature(async_fn_in_trait)] +#![feature(min_specialization)] + +struct MyStruct; + +trait MyTrait<T> { + async fn foo(_: T) -> &'static str; +} + +impl<T> MyTrait<T> for MyStruct {} +//~^ ERROR: not all trait items implemented, missing: `foo` [E0046] + +impl MyTrait<i32> for MyStruct { + async fn foo(_: i32) -> &'static str {} + //~^ ERROR: `foo` specializes an item from a parent `impl`, but that item is not marked `default` [E0520] + //~| ERROR: mismatched types [E0308] +} + +fn main() {} diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs new file mode 100644 index 00000000000..1b16a492a7a --- /dev/null +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs @@ -0,0 +1,13 @@ +#![feature(return_type_notation)] +//~^ WARN the feature `return_type_notation` is incomplete + +// Shouldn't ICE when we have a (bad) RTN in an impl header + +trait Super1<'a> { + fn bar<'b>() -> bool; +} + +impl Super1<'_, bar(): Send> for () {} +//~^ ERROR associated type bindings are not allowed here + +fn main() {} diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr new file mode 100644 index 00000000000..52d8168c9d8 --- /dev/null +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr @@ -0,0 +1,18 @@ +warning: the feature `return_type_notation` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/rtn-in-impl-signature.rs:1:12 + | +LL | #![feature(return_type_notation)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0229]: associated type bindings are not allowed here + --> $DIR/rtn-in-impl-signature.rs:10:17 + | +LL | impl Super1<'_, bar(): Send> for () {} + | ^^^^^^^^^^^ associated type not allowed here + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0229`. diff --git a/tests/ui/binop/binop-mul-i32-f32.stderr b/tests/ui/binop/binop-mul-i32-f32.stderr index c986bc3fd1e..115e7000619 100644 --- a/tests/ui/binop/binop-mul-i32-f32.stderr +++ b/tests/ui/binop/binop-mul-i32-f32.stderr @@ -6,10 +6,10 @@ LL | x * y | = help: the trait `Mul<f32>` is not implemented for `i32` = help: the following other types implement trait `Mul<Rhs>`: + <i32 as Mul> + <i32 as Mul<&i32>> <&'a i32 as Mul<i32>> <&i32 as Mul<&i32>> - <i32 as Mul<&i32>> - <i32 as Mul> error: aborting due to previous error diff --git a/tests/ui/binop/shift-various-bad-types.stderr b/tests/ui/binop/shift-various-bad-types.stderr index 38db66f86b4..b43672ef3b5 100644 --- a/tests/ui/binop/shift-various-bad-types.stderr +++ b/tests/ui/binop/shift-various-bad-types.stderr @@ -6,14 +6,14 @@ LL | 22 >> p.char; | = help: the trait `Shr<char>` is not implemented for `{integer}` = help: the following other types implement trait `Shr<Rhs>`: - <&'a i128 as Shr<i128>> - <&'a i128 as Shr<i16>> - <&'a i128 as Shr<i32>> - <&'a i128 as Shr<i64>> - <&'a i128 as Shr<i8>> - <&'a i128 as Shr<isize>> - <&'a i128 as Shr<u128>> - <&'a i128 as Shr<u16>> + <isize as Shr> + <isize as Shr<i8>> + <isize as Shr<i16>> + <isize as Shr<i32>> + <isize as Shr<i64>> + <isize as Shr<i128>> + <isize as Shr<usize>> + <isize as Shr<u8>> and 568 others error[E0277]: no implementation for `{integer} >> &str` @@ -24,14 +24,14 @@ LL | 22 >> p.str; | = help: the trait `Shr<&str>` is not implemented for `{integer}` = help: the following other types implement trait `Shr<Rhs>`: - <&'a i128 as Shr<i128>> - <&'a i128 as Shr<i16>> - <&'a i128 as Shr<i32>> - <&'a i128 as Shr<i64>> - <&'a i128 as Shr<i8>> - <&'a i128 as Shr<isize>> - <&'a i128 as Shr<u128>> - <&'a i128 as Shr<u16>> + <isize as Shr> + <isize as Shr<i8>> + <isize as Shr<i16>> + <isize as Shr<i32>> + <isize as Shr<i64>> + <isize as Shr<i128>> + <isize as Shr<usize>> + <isize as Shr<u8>> and 568 others error[E0277]: no implementation for `{integer} >> &Panolpy` @@ -42,14 +42,14 @@ LL | 22 >> p; | = help: the trait `Shr<&Panolpy>` is not implemented for `{integer}` = help: the following other types implement trait `Shr<Rhs>`: - <&'a i128 as Shr<i128>> - <&'a i128 as Shr<i16>> - <&'a i128 as Shr<i32>> - <&'a i128 as Shr<i64>> - <&'a i128 as Shr<i8>> - <&'a i128 as Shr<isize>> - <&'a i128 as Shr<u128>> - <&'a i128 as Shr<u16>> + <isize as Shr> + <isize as Shr<i8>> + <isize as Shr<i16>> + <isize as Shr<i32>> + <isize as Shr<i64>> + <isize as Shr<i128>> + <isize as Shr<usize>> + <isize as Shr<u8>> and 568 others error[E0308]: mismatched types diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-1.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-1.rs index d20e79b9db3..0898ca9cda4 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-1.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-1.rs @@ -1,3 +1,3 @@ -// compile-flags: --cfg a(b=c) +// compile-flags: --error-format=human --cfg a(b=c) // error-pattern: invalid `--cfg` argument: `a(b=c)` (expected `key` or `key="value"`, ensure escaping is appropriate for your shell, try 'key="value"' or key=\"value\") fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-2.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-2.rs index 48d656a4a28..70e42560066 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-2.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-2.rs @@ -1,3 +1,3 @@ -// compile-flags: --cfg a{b} +// compile-flags: --error-format=human --cfg a{b} // error-pattern: invalid `--cfg` argument: `a{b}` (expected `key` or `key="value"`) fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-4.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-4.rs index e7dfa17b4b6..2adc27eb932 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-4.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-4.rs @@ -1,3 +1,3 @@ -// compile-flags: --cfg a(b) +// compile-flags: --error-format=human --cfg a(b) // error-pattern: invalid `--cfg` argument: `a(b)` (expected `key` or `key="value"`) fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-6.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-6.rs index 9fa726f93e3..be3ded7dd8b 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-6.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-6.rs @@ -1,3 +1,3 @@ -// compile-flags: --cfg a{ +// compile-flags: --error-format=human --cfg a{ // error-pattern: invalid `--cfg` argument: `a{` (expected `key` or `key="value"`) fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-8.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-8.rs index 1d7fa788534..4a2f16f1133 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-8.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-8.rs @@ -1,3 +1,3 @@ -// compile-flags: --cfg ) +// compile-flags: --error-format=human --cfg ) // error-pattern: invalid `--cfg` argument: `)` (expected `key` or `key="value"`) fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-arg-invalid-9.rs b/tests/ui/conditional-compilation/cfg-arg-invalid-9.rs index 628b335c873..a61989a3e9f 100644 --- a/tests/ui/conditional-compilation/cfg-arg-invalid-9.rs +++ b/tests/ui/conditional-compilation/cfg-arg-invalid-9.rs @@ -1,4 +1,4 @@ // Test for missing quotes around value, issue #66450. -// compile-flags: --cfg key=value +// compile-flags: --error-format=human --cfg key=value // error-pattern: invalid `--cfg` argument: `key=value` (expected `key` or `key="value"`, ensure escaping is appropriate for your shell, try 'key="value"' or key=\"value\") fn main() {} diff --git a/tests/ui/conditional-compilation/cfg-empty-codemap.rs b/tests/ui/conditional-compilation/cfg-empty-codemap.rs index 9e34cacf74d..c7aded7338a 100644 --- a/tests/ui/conditional-compilation/cfg-empty-codemap.rs +++ b/tests/ui/conditional-compilation/cfg-empty-codemap.rs @@ -1,6 +1,6 @@ // Tests that empty source_maps don't ICE (#23301) -// compile-flags: --cfg "" +// compile-flags: --error-format=human --cfg "" // error-pattern: invalid `--cfg` argument: `""` (expected `key` or `key="value"`) diff --git a/tests/ui/const-generics/exhaustive-value.stderr b/tests/ui/const-generics/exhaustive-value.stderr index 76a83ba67ce..4a26e09772d 100644 --- a/tests/ui/const-generics/exhaustive-value.stderr +++ b/tests/ui/const-generics/exhaustive-value.stderr @@ -6,13 +6,13 @@ LL | <() as Foo<N>>::test() | = help: the following other types implement trait `Foo<N>`: <() as Foo<0>> - <() as Foo<100>> - <() as Foo<101>> - <() as Foo<102>> - <() as Foo<103>> - <() as Foo<104>> - <() as Foo<105>> - <() as Foo<106>> + <() as Foo<1>> + <() as Foo<2>> + <() as Foo<3>> + <() as Foo<4>> + <() as Foo<5>> + <() as Foo<6>> + <() as Foo<7>> and 248 others error: aborting due to previous error diff --git a/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr b/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr index 13ea4a295af..0096d4ee23d 100644 --- a/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr +++ b/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr @@ -6,11 +6,11 @@ LL | let y = Mask::<_, _>::splat(false); | = note: cannot satisfy `_: MaskElement` = help: the following types implement trait `MaskElement`: + isize + i8 i16 i32 i64 - i8 - isize note: required by a bound in `Mask::<T, LANES>::splat` --> $SRC_DIR/core/src/../../portable-simd/crates/core_simd/src/masks.rs:LL:COL help: consider giving `y` an explicit type, where the type for type parameter `T` is specified diff --git a/tests/ui/const-generics/issues/issue-67185-2.stderr b/tests/ui/const-generics/issues/issue-67185-2.stderr index 032b0c41047..a2e5b805368 100644 --- a/tests/ui/const-generics/issues/issue-67185-2.stderr +++ b/tests/ui/const-generics/issues/issue-67185-2.stderr @@ -5,8 +5,8 @@ LL | <u8 as Baz>::Quaks: Bar, | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `[u16; 3]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] = help: see issue #48214 = help: add `#![feature(trivial_bounds)]` to the crate attributes to enable @@ -17,8 +17,8 @@ LL | [<u8 as Baz>::Quaks; 2]: Bar, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] = help: see issue #48214 = help: add `#![feature(trivial_bounds)]` to the crate attributes to enable @@ -29,8 +29,8 @@ LL | impl Foo for FooImpl {} | ^^^ the trait `Bar` is not implemented for `[u16; 3]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:15:25 | @@ -47,8 +47,8 @@ LL | impl Foo for FooImpl {} | ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:14:30 | @@ -65,8 +65,8 @@ LL | fn f(_: impl Foo) {} | ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:14:30 | @@ -83,8 +83,8 @@ LL | fn f(_: impl Foo) {} | ^^^ the trait `Bar` is not implemented for `[u16; 3]` | = help: the following other types implement trait `Bar`: - [[u16; 3]; 3] [u16; 4] + [[u16; 3]; 3] note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:15:25 | diff --git a/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr b/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr index 05f33c33946..06e398edca9 100644 --- a/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr +++ b/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr @@ -12,10 +12,10 @@ LL | = [0; (i8::MAX + 1u8) as usize]; | = help: the trait `Add<u8>` is not implemented for `i8` = help: the following other types implement trait `Add<Rhs>`: + <i8 as Add> + <i8 as Add<&i8>> <&'a i8 as Add<i8>> <&i8 as Add<&i8>> - <i8 as Add<&i8>> - <i8 as Add> error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr b/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr index d019f5920b5..07ef2ac090f 100644 --- a/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr +++ b/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr @@ -12,10 +12,10 @@ LL | : [u32; (i8::MAX as i8 + 1u8) as usize] | = help: the trait `Add<u8>` is not implemented for `i8` = help: the following other types implement trait `Add<Rhs>`: + <i8 as Add> + <i8 as Add<&i8>> <&'a i8 as Add<i8>> <&i8 as Add<&i8>> - <i8 as Add<&i8>> - <i8 as Add> error[E0604]: only `u8` can be cast as `char`, not `i8` --> $DIR/const-eval-overflow-4b.rs:22:13 diff --git a/tests/ui/consts/const_in_pattern/issue-73431.rs b/tests/ui/consts/const_in_pattern/issue-73431.rs index fa18a3af1b0..835f502b407 100644 --- a/tests/ui/consts/const_in_pattern/issue-73431.rs +++ b/tests/ui/consts/const_in_pattern/issue-73431.rs @@ -1,4 +1,5 @@ // run-pass +// unset-rustc-env:RUSTC_LOG_COLOR // Regression test for https://github.com/rust-lang/rust/issues/73431. diff --git a/tests/ui/consts/missing-larger-array-impl.rs b/tests/ui/consts/missing-larger-array-impl.rs new file mode 100644 index 00000000000..e6c879c8ebd --- /dev/null +++ b/tests/ui/consts/missing-larger-array-impl.rs @@ -0,0 +1,9 @@ +struct X; + +// Make sure that we show the impl trait refs in the help message with +// their evaluated constants, rather than `core::::array::{impl#30}::{constant#0}` + +fn main() { + <[X; 35] as Default>::default(); + //~^ ERROR the trait bound `[X; 35]: Default` is not satisfied +} diff --git a/tests/ui/consts/missing-larger-array-impl.stderr b/tests/ui/consts/missing-larger-array-impl.stderr new file mode 100644 index 00000000000..b8f6cb5ef97 --- /dev/null +++ b/tests/ui/consts/missing-larger-array-impl.stderr @@ -0,0 +1,20 @@ +error[E0277]: the trait bound `[X; 35]: Default` is not satisfied + --> $DIR/missing-larger-array-impl.rs:7:5 + | +LL | <[X; 35] as Default>::default(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `[X; 35]` + | + = help: the following other types implement trait `Default`: + [T; 0] + [T; 1] + [T; 2] + [T; 3] + [T; 4] + [T; 5] + [T; 6] + [T; 7] + and 27 others + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/consts/too_generic_eval_ice.stderr b/tests/ui/consts/too_generic_eval_ice.stderr index 5af82a3e34b..843d6d9e04b 100644 --- a/tests/ui/consts/too_generic_eval_ice.stderr +++ b/tests/ui/consts/too_generic_eval_ice.stderr @@ -22,14 +22,14 @@ LL | [5; Self::HOST_SIZE] == [6; 0] | = help: the trait `PartialEq<[{integer}; 0]>` is not implemented for `[{integer}; Self::HOST_SIZE]` = help: the following other types implement trait `PartialEq<Rhs>`: - <&[B] as PartialEq<[A; N]>> - <&[T] as PartialEq<Vec<U, A>>> - <&mut [B] as PartialEq<[A; N]>> - <&mut [T] as PartialEq<Vec<U, A>>> - <[A; N] as PartialEq<&[B]>> - <[A; N] as PartialEq<&mut [B]>> <[A; N] as PartialEq<[B; N]>> <[A; N] as PartialEq<[B]>> + <[A; N] as PartialEq<&[B]>> + <[A; N] as PartialEq<&mut [B]>> + <[T] as PartialEq<Vec<U, A>>> + <[A] as PartialEq<[B]>> + <[B] as PartialEq<[A; N]>> + <&[T] as PartialEq<Vec<U, A>>> and 3 others error: aborting due to 3 previous errors diff --git a/tests/ui/deriving/issue-103157.stderr b/tests/ui/deriving/issue-103157.stderr index b18e1e5098b..01cce2a397a 100644 --- a/tests/ui/deriving/issue-103157.stderr +++ b/tests/ui/deriving/issue-103157.stderr @@ -8,14 +8,14 @@ LL | Float(Option<f64>), | ^^^^^^^^^^^ the trait `Eq` is not implemented for `f64` | = help: the following other types implement trait `Eq`: - i128 + isize + i8 i16 i32 i64 - i8 - isize - u128 - u16 + i128 + usize + u8 and 4 others = note: required for `Option<f64>` to implement `Eq` note: required by a bound in `AssertParamIsEq` diff --git a/tests/ui/diagnostic-flags/colored-session-opt-error.rs b/tests/ui/diagnostic-flags/colored-session-opt-error.rs new file mode 100644 index 00000000000..b9f47285c14 --- /dev/null +++ b/tests/ui/diagnostic-flags/colored-session-opt-error.rs @@ -0,0 +1,4 @@ +// check-pass +// ignore-windows +// compile-flags: -Cremark=foo --error-format=human --color always +fn main() {} diff --git a/tests/ui/diagnostic-flags/colored-session-opt-error.stderr b/tests/ui/diagnostic-flags/colored-session-opt-error.stderr new file mode 100644 index 00000000000..ef79d5b0f2f --- /dev/null +++ b/tests/ui/diagnostic-flags/colored-session-opt-error.stderr @@ -0,0 +1,2 @@ +[0m[1m[33mwarning[0m[0m[1m: -C remark requires "-C debuginfo=n" to show source locations[0m + diff --git a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr index 5e0e4a0115a..2d50c09645d 100644 --- a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr +++ b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr @@ -7,12 +7,12 @@ LL | f1.foo(1usize); | required by a bound introduced by this call | = help: the following other types implement trait `Foo<A>`: + <Bar as Foo<i8>> <Bar as Foo<i16>> <Bar as Foo<i32>> - <Bar as Foo<i8>> + <Bar as Foo<u8>> <Bar as Foo<u16>> <Bar as Foo<u32>> - <Bar as Foo<u8>> error: aborting due to previous error diff --git a/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr b/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr index 7229b9ac986..ae15e054f62 100644 --- a/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr +++ b/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr @@ -8,10 +8,10 @@ LL | Foo::<i32>::bar(&1i8); | = help: the following other types implement trait `Foo<B>`: <i8 as Foo<bool>> + <i8 as Foo<u8>> <i8 as Foo<u16>> <i8 as Foo<u32>> <i8 as Foo<u64>> - <i8 as Foo<u8>> error[E0277]: the trait bound `u8: Foo<i32>` is not satisfied --> $DIR/issue-39802-show-5-trait-impls.rs:25:21 @@ -38,10 +38,10 @@ LL | Foo::<i32>::bar(&true); = help: the following other types implement trait `Foo<B>`: <bool as Foo<bool>> <bool as Foo<i8>> + <bool as Foo<u8>> <bool as Foo<u16>> <bool as Foo<u32>> <bool as Foo<u64>> - <bool as Foo<u8>> error: aborting due to 3 previous errors diff --git a/tests/ui/did_you_mean/issue-49746-unicode-confusable-in-float-literal-expt.stderr b/tests/ui/did_you_mean/issue-49746-unicode-confusable-in-float-literal-expt.stderr index 26986684f0c..44bdbb93ff5 100644 --- a/tests/ui/did_you_mean/issue-49746-unicode-confusable-in-float-literal-expt.stderr +++ b/tests/ui/did_you_mean/issue-49746-unicode-confusable-in-float-literal-expt.stderr @@ -23,14 +23,14 @@ LL | const UNIVERSAL_GRAVITATIONAL_CONSTANT: f64 = 6.674e−11; // m³⋅kg⁻¹ | = help: the trait `Sub<{integer}>` is not implemented for `{float}` = help: the following other types implement trait `Sub<Rhs>`: - <&'a f32 as Sub<f32>> - <&'a f64 as Sub<f64>> - <&'a i128 as Sub<i128>> - <&'a i16 as Sub<i16>> - <&'a i32 as Sub<i32>> - <&'a i64 as Sub<i64>> - <&'a i8 as Sub<i8>> - <&'a isize as Sub<isize>> + <isize as Sub> + <isize as Sub<&isize>> + <i8 as Sub> + <i8 as Sub<&i8>> + <i16 as Sub> + <i16 as Sub<&i16>> + <i32 as Sub> + <i32 as Sub<&i32>> and 48 others error: aborting due to 3 previous errors diff --git a/tests/ui/dyn-star/param-env-region-infer.current.stderr b/tests/ui/dyn-star/param-env-region-infer.current.stderr index c606a50c8a9..902053ecfef 100644 --- a/tests/ui/dyn-star/param-env-region-infer.current.stderr +++ b/tests/ui/dyn-star/param-env-region-infer.current.stderr @@ -1,5 +1,5 @@ error[E0282]: type annotations needed - --> $DIR/param-env-region-infer.rs:16:10 + --> $DIR/param-env-region-infer.rs:18:10 | LL | t as _ | ^ cannot infer type diff --git a/tests/ui/dyn-star/param-env-region-infer.next.stderr b/tests/ui/dyn-star/param-env-region-infer.next.stderr new file mode 100644 index 00000000000..dd724a65908 --- /dev/null +++ b/tests/ui/dyn-star/param-env-region-infer.next.stderr @@ -0,0 +1,29 @@ +error[E0391]: cycle detected when computing type of `make_dyn_star::{opaque#0}` + --> $DIR/param-env-region-infer.rs:16:60 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: ...which requires type-checking `make_dyn_star`... + --> $DIR/param-env-region-infer.rs:16:1 + | +LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing layout of `make_dyn_star::{opaque#0}`... + = note: ...which requires normalizing `make_dyn_star::{opaque#0}`... + = note: ...which again requires computing type of `make_dyn_star::{opaque#0}`, completing the cycle +note: cycle used when checking item types in top-level module + --> $DIR/param-env-region-infer.rs:10:1 + | +LL | / #![feature(dyn_star, pointer_like_trait)] +LL | | #![allow(incomplete_features)] +LL | | +LL | | use std::fmt::Debug; +... | +LL | | +LL | | fn main() {} + | |____________^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0391`. diff --git a/tests/ui/dyn-star/param-env-region-infer.rs b/tests/ui/dyn-star/param-env-region-infer.rs index 9c337e4a89b..537473abc3a 100644 --- a/tests/ui/dyn-star/param-env-region-infer.rs +++ b/tests/ui/dyn-star/param-env-region-infer.rs @@ -1,6 +1,7 @@ // revisions: current next -//[next] compile-flags: -Ztrait-solver=next -//[next] check-pass +// Need `-Zdeduplicate-diagnostics=yes` because the number of cycle errors +// emitted is for some horrible reason platform-specific. +//[next] compile-flags: -Ztrait-solver=next -Zdeduplicate-diagnostics=yes // incremental // checks that we don't ICE if there are region inference variables in the environment @@ -13,6 +14,7 @@ use std::fmt::Debug; use std::marker::PointerLike; fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { + //[next]~^ ERROR cycle detected when computing t as _ //[current]~^ ERROR type annotations needed } diff --git a/tests/ui/feature-gates/feature-gate-type_alias_impl_trait.rs b/tests/ui/feature-gates/feature-gate-type_alias_impl_trait.rs index 0d019b1f502..3f49020bbea 100644 --- a/tests/ui/feature-gates/feature-gate-type_alias_impl_trait.rs +++ b/tests/ui/feature-gates/feature-gate-type_alias_impl_trait.rs @@ -11,7 +11,7 @@ fn define() -> Bar { type Foo2 = impl Debug; -fn define2() { +fn define2(_: Foo2) { let x = || -> Foo2 { 42 }; } @@ -20,13 +20,13 @@ type Foo3 = impl Debug; fn define3(x: Foo3) { let y: i32 = x; } -fn define3_1() { +fn define3_1(_: Foo3) { define3(42) } type Foo4 = impl Debug; -fn define4() { +fn define4(_: Foo4) { let y: Foo4 = 42; } diff --git a/tests/ui/fmt/ifmt-unimpl.stderr b/tests/ui/fmt/ifmt-unimpl.stderr index b0dddd3b1e8..4c0ac52865d 100644 --- a/tests/ui/fmt/ifmt-unimpl.stderr +++ b/tests/ui/fmt/ifmt-unimpl.stderr @@ -7,14 +7,14 @@ LL | format!("{:X}", "3"); | required by a bound introduced by this call | = help: the following other types implement trait `UpperHex`: - &T - &mut T - NonZeroI128 - NonZeroI16 - NonZeroI32 - NonZeroI64 - NonZeroI8 - NonZeroIsize + isize + i8 + i16 + i32 + i64 + i128 + usize + u8 and 20 others = note: required for `&str` to implement `UpperHex` note: required by a bound in `core::fmt::rt::Argument::<'a>::new_upper_hex` diff --git a/tests/ui/generic-associated-types/issue-90014-tait.rs b/tests/ui/generic-associated-types/issue-90014-tait.rs new file mode 100644 index 00000000000..bc3a4e12965 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-90014-tait.rs @@ -0,0 +1,23 @@ +//! This test is reporting the wrong error. We need +//! more inherent associated type tests that use opaque types +//! in general. Some variant of this test should compile successfully. +// known-bug: unknown +// edition:2018 + +#![feature(impl_trait_in_assoc_type, inherent_associated_types)] +#![allow(incomplete_features)] + +use std::future::Future; + +struct Foo<'a>(&'a mut ()); + +impl Foo<'_> { + type Fut<'a> = impl Future<Output = ()>; + //^ ERROR: the type `&mut ()` does not fulfill the required lifetime + + fn make_fut<'a>(&'a self) -> Self::Fut<'a> { + async { () } + } +} + +fn main() {} diff --git a/tests/ui/generic-associated-types/issue-90014-tait.stderr b/tests/ui/generic-associated-types/issue-90014-tait.stderr new file mode 100644 index 00000000000..8330a387ecd --- /dev/null +++ b/tests/ui/generic-associated-types/issue-90014-tait.stderr @@ -0,0 +1,22 @@ +error[E0308]: mismatched types + --> $DIR/issue-90014-tait.rs:19:9 + | +LL | type Fut<'a> = impl Future<Output = ()>; + | ------------------------ the expected future +... +LL | fn make_fut<'a>(&'a self) -> Self::Fut<'a> { + | ------------- expected `Foo<'_>::Fut<'a>` because of return type +LL | async { () } + | ^^^^^^^^^^^^ expected future, found `async` block + | + = note: expected opaque type `Foo<'_>::Fut<'a>` + found `async` block `[async block@$DIR/issue-90014-tait.rs:19:9: 19:21]` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/issue-90014-tait.rs:18:8 + | +LL | fn make_fut<'a>(&'a self) -> Self::Fut<'a> { + | ^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/generic-associated-types/issue-90014-tait2.rs b/tests/ui/generic-associated-types/issue-90014-tait2.rs new file mode 100644 index 00000000000..dacbc93dec8 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-90014-tait2.rs @@ -0,0 +1,46 @@ +//! This test checks that opaque type collection doesn't try to normalize the projection +//! without respecting its binders (which would ICE). +//! Unfortunately we don't even reach opaque type collection, as we ICE in typeck before that. +// known-bug: #109281 +// failure-status: 101 +// error-pattern:internal compiler error +// normalize-stderr-test "internal compiler error.*" -> "" +// normalize-stderr-test "DefId\([^)]*\)" -> "..." +// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> "" +// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> "" +// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> "" +// normalize-stderr-test "note: compiler flags.*\n\n" -> "" +// normalize-stderr-test "note: rustc.*running on.*\n\n" -> "" +// normalize-stderr-test "thread.*panicked.*\n" -> "" +// normalize-stderr-test "stack backtrace:\n" -> "" +// normalize-stderr-test "\s\d{1,}: .*\n" -> "" +// normalize-stderr-test "\s at .*\n" -> "" +// normalize-stderr-test ".*note: Some details.*\n" -> "" +// normalize-stderr-test "\n\n[ ]*\n" -> "" +// normalize-stderr-test "compiler/.*: projection" -> "projection" +// edition:2018 + +#![feature(type_alias_impl_trait)] +#![allow(incomplete_features)] + +use std::future::Future; + +struct Foo<'a>(&'a mut ()); + +type Fut<'a> = impl Future<Output = ()>; + +trait Trait<'x> { + type Thing; +} + +impl<'x, T: 'x> Trait<'x> for (T,) { + type Thing = T; +} + +impl Foo<'_> { + fn make_fut(&self) -> Box<dyn for<'a> Trait<'a, Thing = Fut<'a>>> { + Box::new((async { () },)) + } +} + +fn main() {} diff --git a/tests/ui/generic-associated-types/issue-90014-tait2.stderr b/tests/ui/generic-associated-types/issue-90014-tait2.stderr new file mode 100644 index 00000000000..3187be3334c --- /dev/null +++ b/tests/ui/generic-associated-types/issue-90014-tait2.stderr @@ -0,0 +1,12 @@ +error: + --> $DIR/issue-90014-tait2.rs:41:27 + | +LL | fn make_fut(&self) -> Box<dyn for<'a> Trait<'a, Thing = Fut<'a>>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^query stack during panic: +#0 [typeck] type-checking `<impl at $DIR/issue-90014-tait2.rs:40:1: 40:13>::make_fut` +#1 [type_of] computing type of `Fut::{opaque#0}` +#2 [check_mod_item_types] checking item types in top-level module +#3 [analysis] running analysis passes on this crate +end of query stack +error: aborting due to previous error + diff --git a/tests/ui/impl-trait/deduce-signature-from-supertrait.rs b/tests/ui/impl-trait/deduce-signature-from-supertrait.rs index d2c34792035..7a51aac44e2 100644 --- a/tests/ui/impl-trait/deduce-signature-from-supertrait.rs +++ b/tests/ui/impl-trait/deduce-signature-from-supertrait.rs @@ -8,8 +8,10 @@ impl<T: Fn(i32)> SuperExpectation for T {} type Foo = impl SuperExpectation; -fn main() { +fn bop(_: Foo) { let _: Foo = |x| { let _ = x.to_string(); }; } + +fn main() {} diff --git a/tests/ui/impl-trait/equality.stderr b/tests/ui/impl-trait/equality.stderr index 69f4cbbbf42..9b8bff215e0 100644 --- a/tests/ui/impl-trait/equality.stderr +++ b/tests/ui/impl-trait/equality.stderr @@ -30,10 +30,10 @@ LL | n + sum_to(n - 1) | = help: the trait `Add<impl Foo>` is not implemented for `u32` = help: the following other types implement trait `Add<Rhs>`: + <u32 as Add> + <u32 as Add<&u32>> <&'a u32 as Add<u32>> <&u32 as Add<&u32>> - <u32 as Add<&u32>> - <u32 as Add> error: aborting due to 2 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/in-assoc-type.rs b/tests/ui/impl-trait/in-assoc-type.rs index 36c54bdd6de..38ad2fa6f02 100644 --- a/tests/ui/impl-trait/in-assoc-type.rs +++ b/tests/ui/impl-trait/in-assoc-type.rs @@ -1,3 +1,6 @@ +//! This test checks that we don't allow registering hidden types for +//! opaque types from other impls. + #![feature(impl_trait_in_assoc_type)] trait Foo<T> { diff --git a/tests/ui/impl-trait/in-assoc-type.stderr b/tests/ui/impl-trait/in-assoc-type.stderr index ab3f3a14410..af60da07cac 100644 --- a/tests/ui/impl-trait/in-assoc-type.stderr +++ b/tests/ui/impl-trait/in-assoc-type.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/in-assoc-type.rs:17:22 + --> $DIR/in-assoc-type.rs:20:22 | LL | type Bar = impl std::fmt::Debug; | -------------------- the expected opaque type @@ -12,7 +12,7 @@ LL | fn foo(&self) -> <Self as Foo<()>>::Bar {} = note: expected opaque type `<() as Foo<()>>::Bar` found unit type `()` note: this item must have the opaque type in its signature in order to be able to register hidden types - --> $DIR/in-assoc-type.rs:17:8 + --> $DIR/in-assoc-type.rs:20:8 | LL | fn foo(&self) -> <Self as Foo<()>>::Bar {} | ^^^ diff --git a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.current.stderr b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.current.stderr new file mode 100644 index 00000000000..ff30103b771 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.current.stderr @@ -0,0 +1,16 @@ +error[E0277]: the trait bound `impl Foo<u8>: Foo<char>` is not satisfied + --> $DIR/return-dont-satisfy-bounds.rs:13:34 + | +LL | fn foo<F2: Foo<u8>>(self) -> impl Foo<u8> { + | ^^^^^^^^^^^^ the trait `Foo<char>` is not implemented for `impl Foo<u8>` + | + = help: the trait `Foo<char>` is implemented for `Bar` +note: required by a bound in `Foo::foo::{opaque#0}` + --> $DIR/return-dont-satisfy-bounds.rs:7:30 + | +LL | fn foo<F2>(self) -> impl Foo<T>; + | ^^^^^^ required by this bound in `Foo::foo::{opaque#0}` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.next.stderr b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.next.stderr new file mode 100644 index 00000000000..7c7f7feaa55 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.next.stderr @@ -0,0 +1,16 @@ +error[E0277]: the trait bound `impl Foo<u8>: Foo<char>` is not satisfied + --> $DIR/return-dont-satisfy-bounds.rs:13:34 + | +LL | fn foo<F2: Foo<u8>>(self) -> impl Foo<u8> { + | ^^^^^^^^^^^^ the trait `Foo<char>` is not implemented for `impl Foo<u8>` + | + = help: the trait `Foo<char>` is implemented for `Bar` +note: required by a bound in `Foo::{opaque#0}` + --> $DIR/return-dont-satisfy-bounds.rs:7:30 + | +LL | fn foo<F2>(self) -> impl Foo<T>; + | ^^^^^^ required by this bound in `Foo::{opaque#0}` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs new file mode 100644 index 00000000000..65528f212e2 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/return-dont-satisfy-bounds.rs @@ -0,0 +1,19 @@ +// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty +// revisions: current next + +#![feature(return_position_impl_trait_in_trait)] + +trait Foo<T> { + fn foo<F2>(self) -> impl Foo<T>; +} + +struct Bar; + +impl Foo<char> for Bar { + fn foo<F2: Foo<u8>>(self) -> impl Foo<u8> { + //~^ ERROR: the trait bound `impl Foo<u8>: Foo<char>` is not satisfied [E0277] + self + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-70877.rs b/tests/ui/impl-trait/issues/issue-70877.rs index 8169cfafac7..df772298674 100644 --- a/tests/ui/impl-trait/issues/issue-70877.rs +++ b/tests/ui/impl-trait/issues/issue-70877.rs @@ -25,12 +25,12 @@ fn ham() -> Foo { Bar(1) } -fn oof() -> impl std::fmt::Debug { +fn oof(_: Foo) -> impl std::fmt::Debug { let mut bar = ham(); let func = bar.next().unwrap(); return func(&"oof"); //~ ERROR opaque type's hidden type cannot be another opaque type } fn main() { - let _ = oof(); + let _ = oof(ham()); } diff --git a/tests/ui/impl-trait/issues/issue-70877.stderr b/tests/ui/impl-trait/issues/issue-70877.stderr index 8813bff3c35..ee140e6f6c4 100644 --- a/tests/ui/impl-trait/issues/issue-70877.stderr +++ b/tests/ui/impl-trait/issues/issue-70877.stderr @@ -5,10 +5,10 @@ LL | return func(&"oof"); | ^^^^^^^^^^^^ one of the two opaque types used here has to be outside its defining scope | note: opaque type whose hidden type is being assigned - --> $DIR/issue-70877.rs:28:13 + --> $DIR/issue-70877.rs:28:19 | -LL | fn oof() -> impl std::fmt::Debug { - | ^^^^^^^^^^^^^^^^^^^^ +LL | fn oof(_: Foo) -> impl std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^^^^ note: opaque type being used as hidden type --> $DIR/issue-70877.rs:4:15 | diff --git a/tests/ui/impl-trait/issues/issue-74282.rs b/tests/ui/impl-trait/issues/issue-74282.rs index 654de0cd025..51bd5f67ed5 100644 --- a/tests/ui/impl-trait/issues/issue-74282.rs +++ b/tests/ui/impl-trait/issues/issue-74282.rs @@ -3,9 +3,12 @@ type Closure = impl Fn() -> u64; struct Anonymous(Closure); -fn main() { +fn bop(_: Closure) { let y = || -> Closure { || 3 }; - Anonymous(|| { //~ ERROR mismatched types - 3 //~^ ERROR mismatched types + Anonymous(|| { + //~^ ERROR mismatched types + 3 //~^^ ERROR mismatched types }) } + +fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-74282.stderr b/tests/ui/impl-trait/issues/issue-74282.stderr index 724f3c5d674..d43e9fee0b3 100644 --- a/tests/ui/impl-trait/issues/issue-74282.stderr +++ b/tests/ui/impl-trait/issues/issue-74282.stderr @@ -8,6 +8,7 @@ LL | Anonymous(|| { | _____---------_^ | | | | | arguments to this struct are incorrect +LL | | LL | | 3 LL | | }) | |_____^ expected opaque type, found closure @@ -25,15 +26,20 @@ LL | struct Anonymous(Closure); error[E0308]: mismatched types --> $DIR/issue-74282.rs:8:5 | -LL | fn main() { - | - expected `()` because of default return type -LL | let y = || -> Closure { || 3 }; LL | / Anonymous(|| { +LL | | LL | | 3 LL | | }) - | | ^- help: consider using a semicolon here: `;` - | |______| - | expected `()`, found `Anonymous` + | |______^ expected `()`, found `Anonymous` + | +help: consider using a semicolon here + | +LL | }); + | + +help: try adding a return type + | +LL | fn bop(_: Closure) -> Anonymous { + | ++++++++++++ error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/issues/issue-78722-2.rs b/tests/ui/impl-trait/issues/issue-78722-2.rs new file mode 100644 index 00000000000..cf5361e1e60 --- /dev/null +++ b/tests/ui/impl-trait/issues/issue-78722-2.rs @@ -0,0 +1,22 @@ +//! test that we cannot register hidden types for opaque types +//! declared outside an anonymous constant. +// edition:2018 + +#![feature(type_alias_impl_trait)] + +type F = impl core::future::Future<Output = u8>; + +struct Bug { + V1: [(); { + fn concrete_use() -> F { + //~^ ERROR future that resolves to `u8`, but it resolves to `()` + async {} + } + let f: F = async { 1 }; + //~^ ERROR item constrains opaque type that is not in its signature + //~| ERROR `async` blocks are not allowed in constants + 1 + }], +} + +fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-78722-2.stderr b/tests/ui/impl-trait/issues/issue-78722-2.stderr new file mode 100644 index 00000000000..6db603e7751 --- /dev/null +++ b/tests/ui/impl-trait/issues/issue-78722-2.stderr @@ -0,0 +1,32 @@ +error[E0658]: `async` blocks are not allowed in constants + --> $DIR/issue-78722-2.rs:15:20 + | +LL | let f: F = async { 1 }; + | ^^^^^^^^^^^ + | + = note: see issue #85368 <https://github.com/rust-lang/rust/issues/85368> for more information + = help: add `#![feature(const_async_blocks)]` to the crate attributes to enable + +error[E0271]: expected `[async block@$DIR/issue-78722-2.rs:13:13: 13:21]` to be a future that resolves to `u8`, but it resolves to `()` + --> $DIR/issue-78722-2.rs:11:30 + | +LL | fn concrete_use() -> F { + | ^ expected `()`, found `u8` + +error: item constrains opaque type that is not in its signature + --> $DIR/issue-78722-2.rs:15:20 + | +LL | let f: F = async { 1 }; + | ^^^^^^^^^^^ + | + = note: this item must mention the opaque type in its signature in order to be able to register hidden types +note: this item must mention the opaque type in its signature in order to be able to register hidden types + --> $DIR/issue-78722-2.rs:15:20 + | +LL | let f: F = async { 1 }; + | ^^^^^^^^^^^ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0271, E0658. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/impl-trait/issues/issue-78722.rs b/tests/ui/impl-trait/issues/issue-78722.rs index 7b5ab5f2298..75ccc8d8e8a 100644 --- a/tests/ui/impl-trait/issues/issue-78722.rs +++ b/tests/ui/impl-trait/issues/issue-78722.rs @@ -2,10 +2,9 @@ #![feature(type_alias_impl_trait)] -type F = impl core::future::Future<Output = u8>; - struct Bug { V1: [(); { + type F = impl core::future::Future<Output = u8>; fn concrete_use() -> F { //~^ ERROR to be a future that resolves to `u8`, but it resolves to `()` async {} diff --git a/tests/ui/impl-trait/issues/issue-78722.stderr b/tests/ui/impl-trait/issues/issue-78722.stderr index 05a2c135cf7..36340a0bab4 100644 --- a/tests/ui/impl-trait/issues/issue-78722.stderr +++ b/tests/ui/impl-trait/issues/issue-78722.stderr @@ -1,5 +1,5 @@ error[E0658]: `async` blocks are not allowed in constants - --> $DIR/issue-78722.rs:13:20 + --> $DIR/issue-78722.rs:12:20 | LL | let f: F = async { 1 }; | ^^^^^^^^^^^ @@ -7,8 +7,8 @@ LL | let f: F = async { 1 }; = note: see issue #85368 <https://github.com/rust-lang/rust/issues/85368> for more information = help: add `#![feature(const_async_blocks)]` to the crate attributes to enable -error[E0271]: expected `[async block@$DIR/issue-78722.rs:11:13: 11:21]` to be a future that resolves to `u8`, but it resolves to `()` - --> $DIR/issue-78722.rs:9:30 +error[E0271]: expected `[async block@$DIR/issue-78722.rs:10:13: 10:21]` to be a future that resolves to `u8`, but it resolves to `()` + --> $DIR/issue-78722.rs:8:30 | LL | fn concrete_use() -> F { | ^ expected `()`, found `u8` diff --git a/tests/ui/impl-trait/reveal-during-codegen.rs b/tests/ui/impl-trait/reveal-during-codegen.rs new file mode 100644 index 00000000000..11463772eb3 --- /dev/null +++ b/tests/ui/impl-trait/reveal-during-codegen.rs @@ -0,0 +1,11 @@ +// build-pass +// revisions: current next +//[next] compile-flags: -Ztrait-solver=next + +fn test() -> Option<impl Sized> { + Some("") +} + +fn main() { + test(); +} diff --git a/tests/ui/issues/issue-11771.stderr b/tests/ui/issues/issue-11771.stderr index 161fce4b031..b37140f60f9 100644 --- a/tests/ui/issues/issue-11771.stderr +++ b/tests/ui/issues/issue-11771.stderr @@ -6,14 +6,14 @@ LL | 1 + | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add<Rhs>`: - <&'a f32 as Add<f32>> - <&'a f64 as Add<f64>> - <&'a i128 as Add<i128>> - <&'a i16 as Add<i16>> - <&'a i32 as Add<i32>> - <&'a i64 as Add<i64>> - <&'a i8 as Add<i8>> - <&'a isize as Add<isize>> + <isize as Add> + <isize as Add<&isize>> + <i8 as Add> + <i8 as Add<&i8>> + <i16 as Add> + <i16 as Add<&i16>> + <i32 as Add> + <i32 as Add<&i32>> and 48 others error[E0277]: cannot add `()` to `{integer}` @@ -24,14 +24,14 @@ LL | 1 + | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add<Rhs>`: - <&'a f32 as Add<f32>> - <&'a f64 as Add<f64>> - <&'a i128 as Add<i128>> - <&'a i16 as Add<i16>> - <&'a i32 as Add<i32>> - <&'a i64 as Add<i64>> - <&'a i8 as Add<i8>> - <&'a isize as Add<isize>> + <isize as Add> + <isize as Add<&isize>> + <i8 as Add> + <i8 as Add<&i8>> + <i16 as Add> + <i16 as Add<&i16>> + <i32 as Add> + <i32 as Add<&i32>> and 48 others error: aborting due to 2 previous errors diff --git a/tests/ui/issues/issue-24352.stderr b/tests/ui/issues/issue-24352.stderr index 1f51b6e2905..f1c3891b870 100644 --- a/tests/ui/issues/issue-24352.stderr +++ b/tests/ui/issues/issue-24352.stderr @@ -6,10 +6,10 @@ LL | 1.0f64 - 1 | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub<Rhs>`: + <f64 as Sub> + <f64 as Sub<&f64>> <&'a f64 as Sub<f64>> <&f64 as Sub<&f64>> - <f64 as Sub<&f64>> - <f64 as Sub> help: consider using a floating-point literal by writing it with `.0` | LL | 1.0f64 - 1.0 diff --git a/tests/ui/issues/issue-32709.stderr b/tests/ui/issues/issue-32709.stderr index a4ba5da4d87..94e8f9295fd 100644 --- a/tests/ui/issues/issue-32709.stderr +++ b/tests/ui/issues/issue-32709.stderr @@ -8,6 +8,7 @@ LL | Err(5)?; | = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait = help: the following other types implement trait `From<T>`: + <(T,) as From<[T; 1]>> <(T, T) as From<[T; 2]>> <(T, T, T) as From<[T; 3]>> <(T, T, T, T) as From<[T; 4]>> @@ -15,7 +16,6 @@ LL | Err(5)?; <(T, T, T, T, T, T) as From<[T; 6]>> <(T, T, T, T, T, T, T) as From<[T; 7]>> <(T, T, T, T, T, T, T, T) as From<[T; 8]>> - <(T, T, T, T, T, T, T, T, T) as From<[T; 9]>> and 4 others = note: required for `Result<i32, ()>` to implement `FromResidual<Result<Infallible, {integer}>>` diff --git a/tests/ui/issues/issue-50582.stderr b/tests/ui/issues/issue-50582.stderr index 3d527eb6b4e..9eafd7ab4f0 100644 --- a/tests/ui/issues/issue-50582.stderr +++ b/tests/ui/issues/issue-50582.stderr @@ -15,14 +15,14 @@ LL | Vec::<[(); 1 + for x in 0..1 {}]>::new(); | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add<Rhs>`: - <&'a f32 as Add<f32>> - <&'a f64 as Add<f64>> - <&'a i128 as Add<i128>> - <&'a i16 as Add<i16>> - <&'a i32 as Add<i32>> - <&'a i64 as Add<i64>> - <&'a i8 as Add<i8>> - <&'a isize as Add<isize>> + <isize as Add> + <isize as Add<&isize>> + <i8 as Add> + <i8 as Add<&i8>> + <i16 as Add> + <i16 as Add<&i16>> + <i32 as Add> + <i32 as Add<&i32>> and 48 others error: aborting due to 2 previous errors diff --git a/tests/ui/issues/issue-67552.rs b/tests/ui/issues/issue-67552.rs index ec1997ccd5d..7336b873dd6 100644 --- a/tests/ui/issues/issue-67552.rs +++ b/tests/ui/issues/issue-67552.rs @@ -1,6 +1,7 @@ // build-fail // compile-flags: -Copt-level=0 // normalize-stderr-test: ".nll/" -> "/" +// ignore-compare-mode-next-solver (hangs) fn main() { rec(Empty); diff --git a/tests/ui/issues/issue-67552.stderr b/tests/ui/issues/issue-67552.stderr index 4746f918bf8..f93ed67dab2 100644 --- a/tests/ui/issues/issue-67552.stderr +++ b/tests/ui/issues/issue-67552.stderr @@ -1,11 +1,11 @@ error: reached the recursion limit while instantiating `rec::<&mut &mut &mut &mut &mut ...>` - --> $DIR/issue-67552.rs:29:9 + --> $DIR/issue-67552.rs:30:9 | LL | rec(identity(&mut it)) | ^^^^^^^^^^^^^^^^^^^^^^ | note: `rec` defined here - --> $DIR/issue-67552.rs:22:1 + --> $DIR/issue-67552.rs:23:1 | LL | / fn rec<T>(mut it: T) LL | | where diff --git a/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr b/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr index 3cb5e44c711..7f1b9c38e67 100644 --- a/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr +++ b/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr @@ -6,8 +6,8 @@ LL | let x = Some(()).iter().map(|()| 1).sum::<f32>(); | = help: the trait `Sum<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Sum<A>`: - <f32 as Sum<&'a f32>> <f32 as Sum> + <f32 as Sum<&'a f32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain-with-int-infer.rs:2:29 | diff --git a/tests/ui/iterators/invalid-iterator-chain.stderr b/tests/ui/iterators/invalid-iterator-chain.stderr index f3dceca7e41..a2688107d10 100644 --- a/tests/ui/iterators/invalid-iterator-chain.stderr +++ b/tests/ui/iterators/invalid-iterator-chain.stderr @@ -24,8 +24,8 @@ LL | println!("{}", scores.sum::<i32>()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:12:10 | @@ -49,8 +49,8 @@ LL | .sum::<i32>(), | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:25:14 | @@ -81,8 +81,8 @@ LL | .sum::<i32>(), | = help: the trait `Sum<f64>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:33:14 | @@ -109,8 +109,8 @@ LL | println!("{}", vec![0, 1].iter().map(|x| { x; }).sum::<i32>()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:38:38 | @@ -130,8 +130,8 @@ LL | println!("{}", vec![(), ()].iter().sum::<i32>()); | = help: the trait `Sum<&()>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:39:33 | diff --git a/tests/ui/lint/issue-99387.rs b/tests/ui/lint/issue-99387.rs index 616eb935e93..ba5031167e3 100644 --- a/tests/ui/lint/issue-99387.rs +++ b/tests/ui/lint/issue-99387.rs @@ -1,4 +1,5 @@ -// check-pass +//! Test that we don't follow through projections to find +//! opaque types. #![feature(type_alias_impl_trait)] #![allow(private_in_public)] @@ -18,6 +19,7 @@ impl<'a> Tr for &'a () { } pub fn ohno<'a>() -> <&'a () as Tr>::Item { + //~^ ERROR item constrains opaque type that is not in its signature None.into_iter() } diff --git a/tests/ui/lint/issue-99387.stderr b/tests/ui/lint/issue-99387.stderr new file mode 100644 index 00000000000..3a46ce7e195 --- /dev/null +++ b/tests/ui/lint/issue-99387.stderr @@ -0,0 +1,15 @@ +error: item constrains opaque type that is not in its signature + --> $DIR/issue-99387.rs:21:22 + | +LL | pub fn ohno<'a>() -> <&'a () as Tr>::Item { + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: this item must mention the opaque type in its signature in order to be able to register hidden types +note: this item must mention the opaque type in its signature in order to be able to register hidden types + --> $DIR/issue-99387.rs:21:8 + | +LL | pub fn ohno<'a>() -> <&'a () as Tr>::Item { + | ^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/mismatched_types/binops.stderr b/tests/ui/mismatched_types/binops.stderr index 3585587ed4c..b18ab7f7608 100644 --- a/tests/ui/mismatched_types/binops.stderr +++ b/tests/ui/mismatched_types/binops.stderr @@ -6,14 +6,14 @@ LL | 1 + Some(1); | = help: the trait `Add<Option<{integer}>>` is not implemented for `{integer}` = help: the following other types implement trait `Add<Rhs>`: - <&'a f32 as Add<f32>> - <&'a f64 as Add<f64>> - <&'a i128 as Add<i128>> - <&'a i16 as Add<i16>> - <&'a i32 as Add<i32>> - <&'a i64 as Add<i64>> - <&'a i8 as Add<i8>> - <&'a isize as Add<isize>> + <isize as Add> + <isize as Add<&isize>> + <i8 as Add> + <i8 as Add<&i8>> + <i16 as Add> + <i16 as Add<&i16>> + <i32 as Add> + <i32 as Add<&i32>> and 48 others error[E0277]: cannot subtract `Option<{integer}>` from `usize` @@ -24,10 +24,10 @@ LL | 2 as usize - Some(1); | = help: the trait `Sub<Option<{integer}>>` is not implemented for `usize` = help: the following other types implement trait `Sub<Rhs>`: + <usize as Sub> + <usize as Sub<&usize>> <&'a usize as Sub<usize>> <&usize as Sub<&usize>> - <usize as Sub<&usize>> - <usize as Sub> error[E0277]: cannot multiply `{integer}` by `()` --> $DIR/binops.rs:4:7 @@ -37,14 +37,14 @@ LL | 3 * (); | = help: the trait `Mul<()>` is not implemented for `{integer}` = help: the following other types implement trait `Mul<Rhs>`: - <&'a f32 as Mul<f32>> - <&'a f64 as Mul<f64>> - <&'a i128 as Mul<i128>> - <&'a i16 as Mul<i16>> - <&'a i32 as Mul<i32>> - <&'a i64 as Mul<i64>> - <&'a i8 as Mul<i8>> - <&'a isize as Mul<isize>> + <isize as Mul> + <isize as Mul<&isize>> + <i8 as Mul> + <i8 as Mul<&i8>> + <i16 as Mul> + <i16 as Mul<&i16>> + <i32 as Mul> + <i32 as Mul<&i32>> and 49 others error[E0277]: cannot divide `{integer}` by `&str` @@ -55,14 +55,14 @@ LL | 4 / ""; | = help: the trait `Div<&str>` is not implemented for `{integer}` = help: the following other types implement trait `Div<Rhs>`: - <&'a f32 as Div<f32>> - <&'a f64 as Div<f64>> - <&'a i128 as Div<i128>> - <&'a i16 as Div<i16>> - <&'a i32 as Div<i32>> - <&'a i64 as Div<i64>> - <&'a i8 as Div<i8>> - <&'a isize as Div<isize>> + <isize as Div> + <isize as Div<&isize>> + <i8 as Div> + <i8 as Div<&i8>> + <i16 as Div> + <i16 as Div<&i16>> + <i32 as Div> + <i32 as Div<&i32>> and 54 others error[E0277]: can't compare `{integer}` with `String` @@ -73,14 +73,14 @@ LL | 5 < String::new(); | = help: the trait `PartialOrd<String>` is not implemented for `{integer}` = help: the following other types implement trait `PartialOrd<Rhs>`: - f32 - f64 - i128 + isize + i8 i16 i32 i64 - i8 - isize + i128 + usize + u8 and 6 others error[E0277]: can't compare `{integer}` with `Result<{integer}, _>` @@ -91,14 +91,14 @@ LL | 6 == Ok(1); | = help: the trait `PartialEq<Result<{integer}, _>>` is not implemented for `{integer}` = help: the following other types implement trait `PartialEq<Rhs>`: - f32 - f64 - i128 + isize + i8 i16 i32 i64 - i8 - isize + i128 + usize + u8 and 6 others error: aborting due to 6 previous errors diff --git a/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr b/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr index 3215c4669d5..df29fe22713 100644 --- a/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr +++ b/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr @@ -7,8 +7,8 @@ LL | unconstrained_arg(return); | required by a bound introduced by this call | = help: the following other types implement trait `Test`: - () i32 + () = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information) = help: did you intend to use the type `()` here instead? note: required by a bound in `unconstrained_arg` diff --git a/tests/ui/never_type/issue-13352.stderr b/tests/ui/never_type/issue-13352.stderr index 2d22da0b420..406785bfea0 100644 --- a/tests/ui/never_type/issue-13352.stderr +++ b/tests/ui/never_type/issue-13352.stderr @@ -6,10 +6,10 @@ LL | 2_usize + (loop {}); | = help: the trait `Add<()>` is not implemented for `usize` = help: the following other types implement trait `Add<Rhs>`: + <usize as Add> + <usize as Add<&usize>> <&'a usize as Add<usize>> <&usize as Add<&usize>> - <usize as Add<&usize>> - <usize as Add> error: aborting due to previous error diff --git a/tests/ui/nll/user-annotations/normalization-2.stderr b/tests/ui/nll/user-annotations/normalization-2.stderr index 5299282ea15..6b0dcb414ae 100644 --- a/tests/ui/nll/user-annotations/normalization-2.stderr +++ b/tests/ui/nll/user-annotations/normalization-2.stderr @@ -147,7 +147,7 @@ LL | fn test_variants<'a, 'b, 'c>() { | -- lifetime `'b` defined here ... LL | <Ty<'b>>::Tuple(); - | ^^^^^^^^^^^^^^^ requires that `'b` must outlive `'static` + | ^^^^^^^^^^^^^^^^^ requires that `'b` must outlive `'static` error: lifetime may not live long enough --> $DIR/normalization-2.rs:93:5 diff --git a/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr b/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr index 8f0eef237cf..e1825eb5b54 100644 --- a/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr +++ b/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr @@ -6,10 +6,10 @@ LL | x + 100.0 | = help: the trait `Add<{float}>` is not implemented for `u8` = help: the following other types implement trait `Add<Rhs>`: + <u8 as Add> + <u8 as Add<&u8>> <&'a u8 as Add<u8>> <&u8 as Add<&u8>> - <u8 as Add<&u8>> - <u8 as Add> error[E0277]: cannot add `&str` to `f64` --> $DIR/not-suggest-float-literal.rs:6:7 @@ -19,10 +19,10 @@ LL | x + "foo" | = help: the trait `Add<&str>` is not implemented for `f64` = help: the following other types implement trait `Add<Rhs>`: + <f64 as Add> + <f64 as Add<&f64>> <&'a f64 as Add<f64>> <&f64 as Add<&f64>> - <f64 as Add<&f64>> - <f64 as Add> error[E0277]: cannot add `{integer}` to `f64` --> $DIR/not-suggest-float-literal.rs:11:7 @@ -32,10 +32,10 @@ LL | x + y | = help: the trait `Add<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Add<Rhs>`: + <f64 as Add> + <f64 as Add<&f64>> <&'a f64 as Add<f64>> <&f64 as Add<&f64>> - <f64 as Add<&f64>> - <f64 as Add> error[E0277]: cannot subtract `{float}` from `u8` --> $DIR/not-suggest-float-literal.rs:15:7 @@ -45,10 +45,10 @@ LL | x - 100.0 | = help: the trait `Sub<{float}>` is not implemented for `u8` = help: the following other types implement trait `Sub<Rhs>`: + <u8 as Sub> + <u8 as Sub<&u8>> <&'a u8 as Sub<u8>> <&u8 as Sub<&u8>> - <u8 as Sub<&u8>> - <u8 as Sub> error[E0277]: cannot subtract `&str` from `f64` --> $DIR/not-suggest-float-literal.rs:19:7 @@ -58,10 +58,10 @@ LL | x - "foo" | = help: the trait `Sub<&str>` is not implemented for `f64` = help: the following other types implement trait `Sub<Rhs>`: + <f64 as Sub> + <f64 as Sub<&f64>> <&'a f64 as Sub<f64>> <&f64 as Sub<&f64>> - <f64 as Sub<&f64>> - <f64 as Sub> error[E0277]: cannot subtract `{integer}` from `f64` --> $DIR/not-suggest-float-literal.rs:24:7 @@ -71,10 +71,10 @@ LL | x - y | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub<Rhs>`: + <f64 as Sub> + <f64 as Sub<&f64>> <&'a f64 as Sub<f64>> <&f64 as Sub<&f64>> - <f64 as Sub<&f64>> - <f64 as Sub> error[E0277]: cannot multiply `u8` by `{float}` --> $DIR/not-suggest-float-literal.rs:28:7 @@ -84,10 +84,10 @@ LL | x * 100.0 | = help: the trait `Mul<{float}>` is not implemented for `u8` = help: the following other types implement trait `Mul<Rhs>`: + <u8 as Mul> + <u8 as Mul<&u8>> <&'a u8 as Mul<u8>> <&u8 as Mul<&u8>> - <u8 as Mul<&u8>> - <u8 as Mul> error[E0277]: cannot multiply `f64` by `&str` --> $DIR/not-suggest-float-literal.rs:32:7 @@ -97,10 +97,10 @@ LL | x * "foo" | = help: the trait `Mul<&str>` is not implemented for `f64` = help: the following other types implement trait `Mul<Rhs>`: + <f64 as Mul> + <f64 as Mul<&f64>> <&'a f64 as Mul<f64>> <&f64 as Mul<&f64>> - <f64 as Mul<&f64>> - <f64 as Mul> error[E0277]: cannot multiply `f64` by `{integer}` --> $DIR/not-suggest-float-literal.rs:37:7 @@ -110,10 +110,10 @@ LL | x * y | = help: the trait `Mul<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Mul<Rhs>`: + <f64 as Mul> + <f64 as Mul<&f64>> <&'a f64 as Mul<f64>> <&f64 as Mul<&f64>> - <f64 as Mul<&f64>> - <f64 as Mul> error[E0277]: cannot divide `u8` by `{float}` --> $DIR/not-suggest-float-literal.rs:41:7 @@ -123,11 +123,11 @@ LL | x / 100.0 | = help: the trait `Div<{float}>` is not implemented for `u8` = help: the following other types implement trait `Div<Rhs>`: + <u8 as Div> + <u8 as Div<NonZeroU8>> + <u8 as Div<&u8>> <&'a u8 as Div<u8>> <&u8 as Div<&u8>> - <u8 as Div<&u8>> - <u8 as Div<NonZeroU8>> - <u8 as Div> error[E0277]: cannot divide `f64` by `&str` --> $DIR/not-suggest-float-literal.rs:45:7 @@ -137,10 +137,10 @@ LL | x / "foo" | = help: the trait `Div<&str>` is not implemented for `f64` = help: the following other types implement trait `Div<Rhs>`: + <f64 as Div> + <f64 as Div<&f64>> <&'a f64 as Div<f64>> <&f64 as Div<&f64>> - <f64 as Div<&f64>> - <f64 as Div> error[E0277]: cannot divide `f64` by `{integer}` --> $DIR/not-suggest-float-literal.rs:50:7 @@ -150,10 +150,10 @@ LL | x / y | = help: the trait `Div<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Div<Rhs>`: + <f64 as Div> + <f64 as Div<&f64>> <&'a f64 as Div<f64>> <&f64 as Div<&f64>> - <f64 as Div<&f64>> - <f64 as Div> error: aborting due to 12 previous errors diff --git a/tests/ui/numbers-arithmetic/suggest-float-literal.stderr b/tests/ui/numbers-arithmetic/suggest-float-literal.stderr index 03779d35637..929a9e3b595 100644 --- a/tests/ui/numbers-arithmetic/suggest-float-literal.stderr +++ b/tests/ui/numbers-arithmetic/suggest-float-literal.stderr @@ -6,10 +6,10 @@ LL | x + 100 | = help: the trait `Add<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Add<Rhs>`: + <f32 as Add> + <f32 as Add<&f32>> <&'a f32 as Add<f32>> <&f32 as Add<&f32>> - <f32 as Add<&f32>> - <f32 as Add> help: consider using a floating-point literal by writing it with `.0` | LL | x + 100.0 @@ -23,10 +23,10 @@ LL | x + 100 | = help: the trait `Add<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Add<Rhs>`: + <f64 as Add> + <f64 as Add<&f64>> <&'a f64 as Add<f64>> <&f64 as Add<&f64>> - <f64 as Add<&f64>> - <f64 as Add> help: consider using a floating-point literal by writing it with `.0` | LL | x + 100.0 @@ -40,10 +40,10 @@ LL | x - 100 | = help: the trait `Sub<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Sub<Rhs>`: + <f32 as Sub> + <f32 as Sub<&f32>> <&'a f32 as Sub<f32>> <&f32 as Sub<&f32>> - <f32 as Sub<&f32>> - <f32 as Sub> help: consider using a floating-point literal by writing it with `.0` | LL | x - 100.0 @@ -57,10 +57,10 @@ LL | x - 100 | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub<Rhs>`: + <f64 as Sub> + <f64 as Sub<&f64>> <&'a f64 as Sub<f64>> <&f64 as Sub<&f64>> - <f64 as Sub<&f64>> - <f64 as Sub> help: consider using a floating-point literal by writing it with `.0` | LL | x - 100.0 @@ -74,10 +74,10 @@ LL | x * 100 | = help: the trait `Mul<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Mul<Rhs>`: + <f32 as Mul> + <f32 as Mul<&f32>> <&'a f32 as Mul<f32>> <&f32 as Mul<&f32>> - <f32 as Mul<&f32>> - <f32 as Mul> help: consider using a floating-point literal by writing it with `.0` | LL | x * 100.0 @@ -91,10 +91,10 @@ LL | x * 100 | = help: the trait `Mul<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Mul<Rhs>`: + <f64 as Mul> + <f64 as Mul<&f64>> <&'a f64 as Mul<f64>> <&f64 as Mul<&f64>> - <f64 as Mul<&f64>> - <f64 as Mul> help: consider using a floating-point literal by writing it with `.0` | LL | x * 100.0 @@ -108,10 +108,10 @@ LL | x / 100 | = help: the trait `Div<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Div<Rhs>`: + <f32 as Div> + <f32 as Div<&f32>> <&'a f32 as Div<f32>> <&f32 as Div<&f32>> - <f32 as Div<&f32>> - <f32 as Div> help: consider using a floating-point literal by writing it with `.0` | LL | x / 100.0 @@ -125,10 +125,10 @@ LL | x / 100 | = help: the trait `Div<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Div<Rhs>`: + <f64 as Div> + <f64 as Div<&f64>> <&'a f64 as Div<f64>> <&f64 as Div<&f64>> - <f64 as Div<&f64>> - <f64 as Div> help: consider using a floating-point literal by writing it with `.0` | LL | x / 100.0 diff --git a/tests/ui/on-unimplemented/multiple-impls.stderr b/tests/ui/on-unimplemented/multiple-impls.stderr index d628b159a66..3d0e36db752 100644 --- a/tests/ui/on-unimplemented/multiple-impls.stderr +++ b/tests/ui/on-unimplemented/multiple-impls.stderr @@ -8,8 +8,8 @@ LL | Index::index(&[] as &[i32], 2u32); | = help: the trait `Index<u32>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<u32>` is not satisfied --> $DIR/multiple-impls.rs:33:5 @@ -19,8 +19,8 @@ LL | Index::index(&[] as &[i32], 2u32); | = help: the trait `Index<u32>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Foo<u32>>` is not satisfied --> $DIR/multiple-impls.rs:37:33 @@ -32,8 +32,8 @@ LL | Index::index(&[] as &[i32], Foo(2u32)); | = help: the trait `Index<Foo<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Foo<u32>>` is not satisfied --> $DIR/multiple-impls.rs:37:5 @@ -43,8 +43,8 @@ LL | Index::index(&[] as &[i32], Foo(2u32)); | = help: the trait `Index<Foo<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Bar<u32>>` is not satisfied --> $DIR/multiple-impls.rs:41:33 @@ -56,8 +56,8 @@ LL | Index::index(&[] as &[i32], Bar(2u32)); | = help: the trait `Index<Bar<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Bar<u32>>` is not satisfied --> $DIR/multiple-impls.rs:41:5 @@ -67,8 +67,8 @@ LL | Index::index(&[] as &[i32], Bar(2u32)); | = help: the trait `Index<Bar<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<u32>` is not satisfied --> $DIR/multiple-impls.rs:33:5 @@ -78,8 +78,8 @@ LL | Index::index(&[] as &[i32], 2u32); | = help: the trait `Index<u32>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Foo<u32>>` is not satisfied --> $DIR/multiple-impls.rs:37:5 @@ -89,8 +89,8 @@ LL | Index::index(&[] as &[i32], Foo(2u32)); | = help: the trait `Index<Foo<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error[E0277]: the trait bound `[i32]: Index<Bar<u32>>` is not satisfied --> $DIR/multiple-impls.rs:41:5 @@ -100,8 +100,8 @@ LL | Index::index(&[] as &[i32], Bar(2u32)); | = help: the trait `Index<Bar<u32>>` is not implemented for `[i32]` = help: the following other types implement trait `Index<Idx>`: - <[i32] as Index<Bar<usize>>> <[i32] as Index<Foo<usize>>> + <[i32] as Index<Bar<usize>>> error: aborting due to 9 previous errors diff --git a/tests/ui/on-unimplemented/slice-index.stderr b/tests/ui/on-unimplemented/slice-index.stderr index a7ec3bda85e..b9bca211f43 100644 --- a/tests/ui/on-unimplemented/slice-index.stderr +++ b/tests/ui/on-unimplemented/slice-index.stderr @@ -16,8 +16,8 @@ LL | x[..1i32]; | = help: the trait `SliceIndex<[i32]>` is not implemented for `RangeTo<i32>` = help: the following other types implement trait `SliceIndex<T>`: - <RangeTo<usize> as SliceIndex<[T]>> <RangeTo<usize> as SliceIndex<str>> + <RangeTo<usize> as SliceIndex<[T]>> = note: required for `[i32]` to implement `Index<RangeTo<i32>>` error: aborting due to 2 previous errors diff --git a/tests/ui/on-unimplemented/sum.stderr b/tests/ui/on-unimplemented/sum.stderr index 2a316dba778..a2357e49b07 100644 --- a/tests/ui/on-unimplemented/sum.stderr +++ b/tests/ui/on-unimplemented/sum.stderr @@ -6,8 +6,8 @@ LL | vec![(), ()].iter().sum::<i32>(); | = help: the trait `Sum<&()>` is not implemented for `i32` = help: the following other types implement trait `Sum<A>`: - <i32 as Sum<&'a i32>> <i32 as Sum> + <i32 as Sum<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/sum.rs:4:18 | @@ -26,8 +26,8 @@ LL | vec![(), ()].iter().product::<i32>(); | = help: the trait `Product<&()>` is not implemented for `i32` = help: the following other types implement trait `Product<A>`: - <i32 as Product<&'a i32>> <i32 as Product> + <i32 as Product<&'a i32>> note: the method call chain might not have had the expected associated types --> $DIR/sum.rs:7:18 | diff --git a/tests/ui/pattern/issue-110508.rs b/tests/ui/pattern/issue-110508.rs new file mode 100644 index 00000000000..1024ff05578 --- /dev/null +++ b/tests/ui/pattern/issue-110508.rs @@ -0,0 +1,38 @@ +// run-pass + +#[derive(PartialEq, Eq)] +pub enum Foo { + FooA(()), + FooB(Vec<()>), +} + +impl Foo { + const A1: Foo = Foo::FooA(()); + const A2: Foo = Self::FooA(()); + const A3: Self = Foo::FooA(()); + const A4: Self = Self::FooA(()); +} + +fn main() { + let foo = Foo::FooA(()); + + match foo { + Foo::A1 => {}, + _ => {}, + } + + match foo { + Foo::A2 => {}, + _ => {}, + } + + match foo { + Foo::A3 => {}, + _ => {}, + } + + match foo { + Foo::A4 => {}, + _ => {}, + } +} diff --git a/tests/ui/range/range-1.stderr b/tests/ui/range/range-1.stderr index 3956390368f..277d9b2682d 100644 --- a/tests/ui/range/range-1.stderr +++ b/tests/ui/range/range-1.stderr @@ -12,13 +12,13 @@ LL | for i in false..true {} | = help: the following other types implement trait `Step`: char - i128 + isize + i8 i16 i32 i64 - i8 - isize - u128 + i128 + usize and 5 others = note: required for `std::ops::Range<bool>` to implement `Iterator` = note: required for `std::ops::Range<bool>` to implement `IntoIterator` diff --git a/tests/ui/recursion/issue-95134.rs b/tests/ui/recursion/issue-95134.rs index 2f1cffa2fa9..7ee31d85c2b 100644 --- a/tests/ui/recursion/issue-95134.rs +++ b/tests/ui/recursion/issue-95134.rs @@ -3,6 +3,7 @@ // compile-flags: -Copt-level=0 // dont-check-failure-status // dont-check-compiler-stderr +// ignore-compare-mode-next-solver (hangs) pub fn encode_num<Writer: ExampleWriter>(n: u32, mut writer: Writer) -> Result<(), Writer::Error> { if n > 15 { diff --git a/tests/ui/resolve/issue-2356.stderr b/tests/ui/resolve/issue-2356.stderr index 313b3e30dd9..30f5f059526 100644 --- a/tests/ui/resolve/issue-2356.stderr +++ b/tests/ui/resolve/issue-2356.stderr @@ -1,18 +1,3 @@ -error[E0425]: cannot find function `default` in this scope - --> $DIR/issue-2356.rs:31:5 - | -LL | default(); - | ^^^^^^^ - | -help: you might have meant to call the associated function - | -LL | Self::default(); - | ~~~~~~~~~~~~~ -help: consider importing this function - | -LL + use std::default::default; - | - error[E0425]: cannot find value `whiskers` in this scope --> $DIR/issue-2356.rs:39:5 | @@ -64,6 +49,12 @@ error[E0425]: cannot find function `clone` in this scope LL | clone(); | ^^^^^ help: you might have meant to call the method: `self.clone` +error[E0425]: cannot find function `default` in this scope + --> $DIR/issue-2356.rs:31:5 + | +LL | default(); + | ^^^^^^^ help: you might have meant to call the associated function: `Self::default` + error[E0425]: cannot find function `shave` in this scope --> $DIR/issue-2356.rs:41:5 | diff --git a/tests/ui/span/multiline-span-simple.stderr b/tests/ui/span/multiline-span-simple.stderr index b44df962a9b..b6052a209bf 100644 --- a/tests/ui/span/multiline-span-simple.stderr +++ b/tests/ui/span/multiline-span-simple.stderr @@ -6,10 +6,10 @@ LL | foo(1 as u32 + | = help: the trait `Add<()>` is not implemented for `u32` = help: the following other types implement trait `Add<Rhs>`: + <u32 as Add> + <u32 as Add<&u32>> <&'a u32 as Add<u32>> <&u32 as Add<&u32>> - <u32 as Add<&u32>> - <u32 as Add> error: aborting due to previous error diff --git a/tests/ui/suggestions/impl-trait-return-trailing-semicolon.stderr b/tests/ui/suggestions/impl-trait-return-trailing-semicolon.stderr index e74c2c4214f..6465eeb8bc6 100644 --- a/tests/ui/suggestions/impl-trait-return-trailing-semicolon.stderr +++ b/tests/ui/suggestions/impl-trait-return-trailing-semicolon.stderr @@ -16,8 +16,8 @@ LL | fn bar() -> impl Bar { | ^^^^^^^^ the trait `Bar` is not implemented for `()` | = help: the following other types implement trait `Bar`: - Qux i32 + Qux error: aborting due to 2 previous errors diff --git a/tests/ui/suggestions/into-str.stderr b/tests/ui/suggestions/into-str.stderr index a56a2a188cb..7e24150e7f4 100644 --- a/tests/ui/suggestions/into-str.stderr +++ b/tests/ui/suggestions/into-str.stderr @@ -8,12 +8,12 @@ LL | foo(String::new()); | = note: to coerce a `String` into a `&str`, use `&*` as a prefix = help: the following other types implement trait `From<T>`: - <String as From<&String>> - <String as From<&mut str>> - <String as From<&str>> + <String as From<char>> <String as From<Box<str>>> <String as From<Cow<'a, str>>> - <String as From<char>> + <String as From<&str>> + <String as From<&mut str>> + <String as From<&String>> = note: required for `String` to implement `Into<&str>` note: required by a bound in `foo` --> $DIR/into-str.rs:1:31 diff --git a/tests/ui/suggestions/issue-71394-no-from-impl.stderr b/tests/ui/suggestions/issue-71394-no-from-impl.stderr index ea57992b483..004f1c1622b 100644 --- a/tests/ui/suggestions/issue-71394-no-from-impl.stderr +++ b/tests/ui/suggestions/issue-71394-no-from-impl.stderr @@ -5,14 +5,14 @@ LL | let _: &[i8] = data.into(); | ^^^^ the trait `From<&[u8]>` is not implemented for `&[i8]` | = help: the following other types implement trait `From<T>`: - <&'input [u8] as From<gimli::read::endian_slice::EndianSlice<'input, Endian>>> - <[T; 10] as From<(T, T, T, T, T, T, T, T, T, T)>> - <[T; 11] as From<(T, T, T, T, T, T, T, T, T, T, T)>> - <[T; 12] as From<(T, T, T, T, T, T, T, T, T, T, T, T)>> + <[bool; LANES] as From<Mask<T, LANES>>> + <[T; N] as From<Simd<T, N>>> <[T; 1] as From<(T,)>> <[T; 2] as From<(T, T)>> <[T; 3] as From<(T, T, T)>> <[T; 4] as From<(T, T, T, T)>> + <[T; 5] as From<(T, T, T, T, T)>> + <[T; 6] as From<(T, T, T, T, T, T)>> and 7 others = note: required for `&[u8]` to implement `Into<&[i8]>` diff --git a/tests/ui/thir-print/thir-flat-const-variant.rs b/tests/ui/thir-print/thir-flat-const-variant.rs new file mode 100644 index 00000000000..2cd87a5cbb2 --- /dev/null +++ b/tests/ui/thir-print/thir-flat-const-variant.rs @@ -0,0 +1,18 @@ +// compile-flags: -Z unpretty=thir-flat +// check-pass + +// Previously, the constants with `Self::Bar(())` would be `Call`s instead of +// `Adt`s in THIR. + +pub enum Foo { + Bar(()), +} + +impl Foo { + const BAR1: Foo = Foo::Bar(()); + const BAR2: Foo = Self::Bar(()); + const BAR3: Self = Foo::Bar(()); + const BAR4: Self = Self::Bar(()); +} + +fn main() {} diff --git a/tests/ui/thir-print/thir-flat-const-variant.stdout b/tests/ui/thir-print/thir-flat-const-variant.stdout new file mode 100644 index 00000000000..1b76f07c318 --- /dev/null +++ b/tests/ui/thir-print/thir-flat-const-variant.stdout @@ -0,0 +1,399 @@ +DefId(0:8 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR1): +Thir { + body_type: Const( + Foo, + ), + arms: [], + blocks: [], + exprs: [ + Expr { + kind: Tuple { + fields: [], + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:12:32: 12:34 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(7), + lint_level: Explicit( + HirId(DefId(0:8 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR1).7), + ), + value: e0, + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:12:32: 12:34 (#0), + }, + Expr { + kind: Adt( + AdtExpr { + adt_def: Foo, + variant_index: 0, + substs: [], + user_ty: None, + fields: [ + FieldExpr { + name: 0, + expr: e1, + }, + ], + base: None, + }, + ), + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:12:23: 12:35 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(3), + lint_level: Explicit( + HirId(DefId(0:8 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR1).3), + ), + value: e2, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:12:23: 12:35 (#0), + }, + Expr { + kind: Scope { + region_scope: Destruction(3), + lint_level: Inherited, + value: e3, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:12:23: 12:35 (#0), + }, + ], + stmts: [], + params: [], +} + +DefId(0:9 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR2): +Thir { + body_type: Const( + Foo, + ), + arms: [], + blocks: [], + exprs: [ + Expr { + kind: Tuple { + fields: [], + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:13:33: 13:35 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(8), + lint_level: Explicit( + HirId(DefId(0:9 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR2).8), + ), + value: e0, + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:13:33: 13:35 (#0), + }, + Expr { + kind: Adt( + AdtExpr { + adt_def: Foo, + variant_index: 0, + substs: [], + user_ty: None, + fields: [ + FieldExpr { + name: 0, + expr: e1, + }, + ], + base: None, + }, + ), + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:13:23: 13:36 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(3), + lint_level: Explicit( + HirId(DefId(0:9 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR2).3), + ), + value: e2, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:13:23: 13:36 (#0), + }, + Expr { + kind: Scope { + region_scope: Destruction(3), + lint_level: Inherited, + value: e3, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:13:23: 13:36 (#0), + }, + ], + stmts: [], + params: [], +} + +DefId(0:10 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR3): +Thir { + body_type: Const( + Foo, + ), + arms: [], + blocks: [], + exprs: [ + Expr { + kind: Tuple { + fields: [], + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:14:33: 14:35 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(7), + lint_level: Explicit( + HirId(DefId(0:10 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR3).7), + ), + value: e0, + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:14:33: 14:35 (#0), + }, + Expr { + kind: Adt( + AdtExpr { + adt_def: Foo, + variant_index: 0, + substs: [], + user_ty: None, + fields: [ + FieldExpr { + name: 0, + expr: e1, + }, + ], + base: None, + }, + ), + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:14:24: 14:36 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(3), + lint_level: Explicit( + HirId(DefId(0:10 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR3).3), + ), + value: e2, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:14:24: 14:36 (#0), + }, + Expr { + kind: Scope { + region_scope: Destruction(3), + lint_level: Inherited, + value: e3, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:14:24: 14:36 (#0), + }, + ], + stmts: [], + params: [], +} + +DefId(0:11 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR4): +Thir { + body_type: Const( + Foo, + ), + arms: [], + blocks: [], + exprs: [ + Expr { + kind: Tuple { + fields: [], + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:15:34: 15:36 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(8), + lint_level: Explicit( + HirId(DefId(0:11 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR4).8), + ), + value: e0, + }, + ty: (), + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:15:34: 15:36 (#0), + }, + Expr { + kind: Adt( + AdtExpr { + adt_def: Foo, + variant_index: 0, + substs: [], + user_ty: None, + fields: [ + FieldExpr { + name: 0, + expr: e1, + }, + ], + base: None, + }, + ), + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:15:24: 15:37 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(3), + lint_level: Explicit( + HirId(DefId(0:11 ~ thir_flat_const_variant[1f54]::{impl#0}::BAR4).3), + ), + value: e2, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:15:24: 15:37 (#0), + }, + Expr { + kind: Scope { + region_scope: Destruction(3), + lint_level: Inherited, + value: e3, + }, + ty: Foo, + temp_lifetime: Some( + Node(3), + ), + span: $DIR/thir-flat-const-variant.rs:15:24: 15:37 (#0), + }, + ], + stmts: [], + params: [], +} + +DefId(0:12 ~ thir_flat_const_variant[1f54]::main): +Thir { + body_type: Fn( + fn(), + ), + arms: [], + blocks: [ + Block { + targeted_by_break: false, + region_scope: Node(1), + opt_destruction_scope: None, + span: $DIR/thir-flat-const-variant.rs:18:11: 18:13 (#0), + stmts: [], + expr: None, + safety_mode: Safe, + }, + ], + exprs: [ + Expr { + kind: Block { + block: b0, + }, + ty: (), + temp_lifetime: Some( + Node(2), + ), + span: $DIR/thir-flat-const-variant.rs:18:11: 18:13 (#0), + }, + Expr { + kind: Scope { + region_scope: Node(2), + lint_level: Explicit( + HirId(DefId(0:12 ~ thir_flat_const_variant[1f54]::main).2), + ), + value: e0, + }, + ty: (), + temp_lifetime: Some( + Node(2), + ), + span: $DIR/thir-flat-const-variant.rs:18:11: 18:13 (#0), + }, + Expr { + kind: Scope { + region_scope: Destruction(2), + lint_level: Inherited, + value: e1, + }, + ty: (), + temp_lifetime: Some( + Node(2), + ), + span: $DIR/thir-flat-const-variant.rs:18:11: 18:13 (#0), + }, + ], + stmts: [], + params: [], +} + diff --git a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr index ce9ab2d811a..b1c683e4729 100644 --- a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr +++ b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr @@ -6,13 +6,13 @@ LL | s.strip_suffix(b'\n').unwrap_or(s) | = help: the trait `FnMut<(char,)>` is not implemented for `u8` = help: the following other types implement trait `Pattern<'a>`: + char + [char; N] &'b String &'b [char; N] &'b [char] - &'b str &'c &'b str - [char; N] - char + &'b str = note: required for `u8` to implement `Pattern<'_>` error: aborting due to previous error diff --git a/tests/ui/traits/new-solver/dont-remap-tait-substs.rs b/tests/ui/traits/new-solver/dont-remap-tait-substs.rs index 028222f4e6d..309bee8aa8c 100644 --- a/tests/ui/traits/new-solver/dont-remap-tait-substs.rs +++ b/tests/ui/traits/new-solver/dont-remap-tait-substs.rs @@ -12,7 +12,7 @@ type Foo<T: Send, U> = impl NeedsSend<T>; trait NeedsSend<T> {} impl<T: Send> NeedsSend<T> for T {} -fn define<A, B: Send>(a: A, b: B) { +fn define<A, B: Send>(a: A, b: B, _: Foo<B, A>) { let y: Option<Foo<B, A>> = Some(b); } diff --git a/tests/ui/traits/new-solver/dont-type_of-tait-in-defining-scope.rs b/tests/ui/traits/new-solver/dont-type_of-tait-in-defining-scope.rs index 5a0dcd0e8cc..08f14d7494d 100644 --- a/tests/ui/traits/new-solver/dont-type_of-tait-in-defining-scope.rs +++ b/tests/ui/traits/new-solver/dont-type_of-tait-in-defining-scope.rs @@ -12,11 +12,13 @@ type Foo = impl Sized; fn needs_send<T: Send>() {} -fn test() { +fn test(_: Foo) { needs_send::<Foo>(); //[not_send]~^ ERROR type annotations needed: cannot satisfy `Foo: Send` } -fn main() { +fn defines(_: Foo) { let _: Foo = (); } + +fn main() {} diff --git a/tests/ui/traits/new-solver/slice-match-byte-lit.rs b/tests/ui/traits/new-solver/slice-match-byte-lit.rs index 5f9c0df6450..4f848062595 100644 --- a/tests/ui/traits/new-solver/slice-match-byte-lit.rs +++ b/tests/ui/traits/new-solver/slice-match-byte-lit.rs @@ -1,5 +1,5 @@ // compile-flags: -Ztrait-solver=next -// known-bug: rust-lang/trait-system-refactor-initiative#38 +// check-pass fn test(s: &[u8]) { match &s[0..3] { diff --git a/tests/ui/traits/new-solver/slice-match-byte-lit.stderr b/tests/ui/traits/new-solver/slice-match-byte-lit.stderr deleted file mode 100644 index cd48a6d1843..00000000000 --- a/tests/ui/traits/new-solver/slice-match-byte-lit.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error[E0271]: type mismatch resolving `[u8; 3] <: <[u8] as Index<Range<usize>>>::Output` - --> $DIR/slice-match-byte-lit.rs:6:9 - | -LL | match &s[0..3] { - | -------- this expression has type `&<[u8] as Index<std::ops::Range<usize>>>::Output` -LL | b"uwu" => {} - | ^^^^^^ types differ - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/traits/new-solver/tait-eq-proj-2.rs b/tests/ui/traits/new-solver/tait-eq-proj-2.rs index 99a3d02bd1a..77ea8bc246e 100644 --- a/tests/ui/traits/new-solver/tait-eq-proj-2.rs +++ b/tests/ui/traits/new-solver/tait-eq-proj-2.rs @@ -8,9 +8,11 @@ type Tait = impl Iterator<Item = impl Sized>; -fn mk<T>() -> T { todo!() } +fn mk<T>() -> T { + todo!() +} -fn a() { +fn a(_: Tait) { let x: Tait = mk(); let mut array = mk(); let mut z = IntoIterator::into_iter(array); diff --git a/tests/ui/traits/new-solver/tait-eq-proj.rs b/tests/ui/traits/new-solver/tait-eq-proj.rs index 01141b2819a..01ef2ec953a 100644 --- a/tests/ui/traits/new-solver/tait-eq-proj.rs +++ b/tests/ui/traits/new-solver/tait-eq-proj.rs @@ -28,7 +28,7 @@ goals together. Essentially: */ -fn a() { +fn a(_: Tait) { let _: Tait = IntoIterator::into_iter([0i32; 32]); } diff --git a/tests/ui/traits/new-solver/tait-eq-tait.rs b/tests/ui/traits/new-solver/tait-eq-tait.rs index 532c4c39bd4..70d9dc0eaa8 100644 --- a/tests/ui/traits/new-solver/tait-eq-tait.rs +++ b/tests/ui/traits/new-solver/tait-eq-tait.rs @@ -6,12 +6,13 @@ #![feature(type_alias_impl_trait)] -type Tait = impl Sized; -type Tait2 = impl Sized; - -fn mk<T>() -> T { todo!() } +fn mk<T>() -> T { + todo!() +} fn main() { + type Tait = impl Sized; + type Tait2 = impl Sized; let x: Tait = 1u32; let y: Tait2 = x; } diff --git a/tests/ui/try-trait/bad-interconversion.stderr b/tests/ui/try-trait/bad-interconversion.stderr index a49630adb95..7eb392faa66 100644 --- a/tests/ui/try-trait/bad-interconversion.stderr +++ b/tests/ui/try-trait/bad-interconversion.stderr @@ -8,8 +8,8 @@ LL | Ok(Err(123_i32)?) | = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait = help: the following other types implement trait `From<T>`: - <u8 as From<NonZeroU8>> <u8 as From<bool>> + <u8 as From<NonZeroU8>> = note: required for `Result<u64, u8>` to implement `FromResidual<Result<Infallible, i32>>` error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result` @@ -22,8 +22,8 @@ LL | Some(3)?; | = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<u64, String>` = help: the following other types implement trait `FromResidual<R>`: - <Result<T, F> as FromResidual<Result<Infallible, E>>> <Result<T, F> as FromResidual<Yeet<E>>> + <Result<T, F> as FromResidual<Result<Infallible, E>>> error[E0277]: the `?` operator can only be used on `Result`s in a function that returns `Result` --> $DIR/bad-interconversion.rs:17:31 @@ -35,8 +35,8 @@ LL | Ok(ControlFlow::Break(123)?) | = help: the trait `FromResidual<ControlFlow<{integer}, Infallible>>` is not implemented for `Result<u64, String>` = help: the following other types implement trait `FromResidual<R>`: - <Result<T, F> as FromResidual<Result<Infallible, E>>> <Result<T, F> as FromResidual<Yeet<E>>> + <Result<T, F> as FromResidual<Result<Infallible, E>>> error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option` --> $DIR/bad-interconversion.rs:22:22 diff --git a/tests/ui/try-trait/option-to-result.stderr b/tests/ui/try-trait/option-to-result.stderr index fabc1ff2c76..1c4d718f1ee 100644 --- a/tests/ui/try-trait/option-to-result.stderr +++ b/tests/ui/try-trait/option-to-result.stderr @@ -9,8 +9,8 @@ LL | a?; | = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<(), ()>` = help: the following other types implement trait `FromResidual<R>`: - <Result<T, F> as FromResidual<Result<Infallible, E>>> <Result<T, F> as FromResidual<Yeet<E>>> + <Result<T, F> as FromResidual<Result<Infallible, E>>> error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option` --> $DIR/option-to-result.rs:11:6 diff --git a/tests/ui/try-trait/try-on-option.stderr b/tests/ui/try-trait/try-on-option.stderr index fad6a1fe823..eeb0439df29 100644 --- a/tests/ui/try-trait/try-on-option.stderr +++ b/tests/ui/try-trait/try-on-option.stderr @@ -9,8 +9,8 @@ LL | x?; | = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<u32, ()>` = help: the following other types implement trait `FromResidual<R>`: - <Result<T, F> as FromResidual<Result<Infallible, E>>> <Result<T, F> as FromResidual<Yeet<E>>> + <Result<T, F> as FromResidual<Result<Infallible, E>>> error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) --> $DIR/try-on-option.rs:11:6 diff --git a/tests/ui/type-alias-impl-trait/bound_reduction2.rs b/tests/ui/type-alias-impl-trait/bound_reduction2.rs index 0bcc9e002ca..4e9f65d88a1 100644 --- a/tests/ui/type-alias-impl-trait/bound_reduction2.rs +++ b/tests/ui/type-alias-impl-trait/bound_reduction2.rs @@ -13,6 +13,7 @@ trait Trait<U> {} impl<W> Trait<W> for () {} fn foo_desugared<T: TraitWithAssoc>(_: T) -> Foo<T::Assoc> { + //~^ ERROR non-defining opaque type use () //~^ ERROR expected generic type parameter, found `<T as TraitWithAssoc>::Assoc` } diff --git a/tests/ui/type-alias-impl-trait/bound_reduction2.stderr b/tests/ui/type-alias-impl-trait/bound_reduction2.stderr index 3c259bd9e97..14f9dbbdb4e 100644 --- a/tests/ui/type-alias-impl-trait/bound_reduction2.stderr +++ b/tests/ui/type-alias-impl-trait/bound_reduction2.stderr @@ -1,5 +1,17 @@ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/bound_reduction2.rs:15:46 + | +LL | fn foo_desugared<T: TraitWithAssoc>(_: T) -> Foo<T::Assoc> { + | ^^^^^^^^^^^^^ argument `<T as TraitWithAssoc>::Assoc` is not a generic parameter + | +note: for this opaque type + --> $DIR/bound_reduction2.rs:9:15 + | +LL | type Foo<V> = impl Trait<V>; + | ^^^^^^^^^^^^^ + error[E0792]: expected generic type parameter, found `<T as TraitWithAssoc>::Assoc` - --> $DIR/bound_reduction2.rs:16:5 + --> $DIR/bound_reduction2.rs:17:5 | LL | type Foo<V> = impl Trait<V>; | - this generic parameter must be used with a generic type parameter @@ -7,6 +19,6 @@ LL | type Foo<V> = impl Trait<V>; LL | () | ^^ -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/closure_args.rs b/tests/ui/type-alias-impl-trait/closure_args.rs index c5e7af81d3d..243f9cd6d4f 100644 --- a/tests/ui/type-alias-impl-trait/closure_args.rs +++ b/tests/ui/type-alias-impl-trait/closure_args.rs @@ -11,6 +11,13 @@ fn run<F: FnOnce(Input) -> ()>(f: F, i: Input) { f(i); } -fn main() { - run(|x: u32| {println!("{x}");}, 0); +fn bop(_: Input) { + run( + |x: u32| { + println!("{x}"); + }, + 0, + ); } + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/closure_args2.rs b/tests/ui/type-alias-impl-trait/closure_args2.rs index 82386c280a8..1dd5c3e40cd 100644 --- a/tests/ui/type-alias-impl-trait/closure_args2.rs +++ b/tests/ui/type-alias-impl-trait/closure_args2.rs @@ -1,10 +1,12 @@ -// run-pass +// check-pass #![feature(type_alias_impl_trait)] trait Foo { // This was reachable in https://github.com/rust-lang/rust/issues/100800 - fn foo(&self) { unreachable!() } + fn foo(&self) { + unreachable!() + } } impl<T> Foo for T {} @@ -14,10 +16,17 @@ impl B { } type Input = impl Foo; -fn run1<F: FnOnce(Input)>(f: F, i: Input) {f(i)} -fn run2<F: FnOnce(B)>(f: F, i: B) {f(i)} +fn run1<F: FnOnce(Input)>(f: F, i: Input) { + f(i) +} +fn run2<F: FnOnce(B)>(f: F, i: B) { + f(i) +} -fn main() { - run1(|x: B| {x.foo()}, B); - run2(|x: B| {x.foo()}, B); +fn bop() -> Input { + run1(|x: B| x.foo(), B); + run2(|x: B| x.foo(), B); + panic!() } + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr b/tests/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr index fbfa0ccf1e8..d60f1ffbccc 100644 --- a/tests/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr +++ b/tests/ui/type-alias-impl-trait/declared_but_not_defined_in_scope.stderr @@ -19,6 +19,11 @@ LL | "" | = note: expected opaque type `Boo` found reference `&'static str` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/declared_but_not_defined_in_scope.rs:10:4 + | +LL | fn bomp() -> boo::Boo { + | ^^^^ error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.rs b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.rs index e5bfbfdae91..b2842df150a 100644 --- a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.rs +++ b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.rs @@ -2,7 +2,7 @@ type Tait<'a> = impl Sized + 'a; -fn foo<'a, 'b>() { +fn foo<'a, 'b>() -> Tait<'a> { if false { if { return } { let y: Tait<'b> = 1i32; @@ -10,6 +10,7 @@ fn foo<'a, 'b>() { } } let x: Tait<'a> = (); + x } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.stderr b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.stderr index f2eb7bc4dc7..b138f9d5c45 100644 --- a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.stderr +++ b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-2.stderr @@ -5,10 +5,10 @@ LL | let y: Tait<'b> = 1i32; | ^^^^ expected `()`, got `i32` | note: previous use here - --> $DIR/different_defining_uses_never_type-2.rs:12:23 + --> $DIR/different_defining_uses_never_type-2.rs:7:14 | -LL | let x: Tait<'a> = (); - | ^^ +LL | if { return } { + | ^^^^^^ error: aborting due to previous error diff --git a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-3.rs b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-3.rs index 2b30a9cd57c..a4ac27378e1 100644 --- a/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-3.rs +++ b/tests/ui/type-alias-impl-trait/different_defining_uses_never_type-3.rs @@ -2,7 +2,7 @@ type Tait<T> = impl Sized; -fn foo<T, U>() { +fn foo<T, U>() -> Tait<T> { if false { if { return } { let y: Tait<U> = 1i32; @@ -10,6 +10,7 @@ fn foo<T, U>() { } } let x: Tait<T> = (); + x } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs b/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs index 9d938a61600..14ced341854 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.rs @@ -9,6 +9,7 @@ impl<'a, T: ?Sized> Captures<'a> for T {} type Two<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; fn one<'a>(t: &'a ()) -> Two<'a, 'a> { + //~^ ERROR non-defining opaque type use t //~^ ERROR non-defining opaque type use } diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr b/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr index 72e1ef4b492..4da69a705c0 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_lifetime_param.stderr @@ -1,5 +1,17 @@ error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_lifetime_param.rs:12:5 + --> $DIR/generic_duplicate_lifetime_param.rs:11:26 + | +LL | fn one<'a>(t: &'a ()) -> Two<'a, 'a> { + | ^^^^^^^^^^^ generic argument `'a` used twice + | +note: for this opaque type + --> $DIR/generic_duplicate_lifetime_param.rs:9:20 + | +LL | type Two<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: non-defining opaque type use in defining scope + --> $DIR/generic_duplicate_lifetime_param.rs:13:5 | LL | t | ^ @@ -10,5 +22,5 @@ note: lifetime used multiple times LL | type Two<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>; | ^^ ^^ -error: aborting due to previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.rs b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.rs index 80462f8ac04..1e391b55a4f 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.rs +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.rs @@ -1,5 +1,12 @@ #![feature(type_alias_impl_trait)] +//! This test checks various cases where we are using the same +//! generic parameter twice in the parameter list of a TAIT. +//! Within defining scopes that is not legal, because the hidden type +//! is not fully defined then. This could cause us to have a TAIT +//! that doesn't have a hidden type for all possible combinations of generic +//! parameters passed to it. + use std::fmt::Debug; fn main() {} @@ -7,7 +14,6 @@ fn main() {} // test that unused generic parameters are ok type TwoTys<T, U> = impl Debug; - pub trait Captures<'a> {} impl<'a, T: ?Sized> Captures<'a> for T {} @@ -16,18 +22,20 @@ type TwoLifetimes<'a, 'b> = impl Debug + Captures<'a> + Captures<'b>; type TwoConsts<const X: usize, const Y: usize> = impl Debug; - fn one_ty<T: Debug>(t: T) -> TwoTys<T, T> { + //~^ ERROR non-defining opaque type use in defining scope t //~^ ERROR non-defining opaque type use in defining scope } fn one_lifetime<'a>(t: &'a u32) -> TwoLifetimes<'a, 'a> { + //~^ ERROR non-defining opaque type use in defining scope t //~^ ERROR non-defining opaque type use in defining scope } fn one_const<const N: usize>(t: *mut [u8; N]) -> TwoConsts<N, N> { + //~^ ERROR non-defining opaque type use in defining scope t //~^ ERROR non-defining opaque type use in defining scope } diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr index 98e4bfea10d..d8330771d30 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use.stderr @@ -1,38 +1,74 @@ error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:21:5 + --> $DIR/generic_duplicate_param_use.rs:25:30 + | +LL | fn one_ty<T: Debug>(t: T) -> TwoTys<T, T> { + | ^^^^^^^^^^^^ generic argument `T` used twice + | +note: for this opaque type + --> $DIR/generic_duplicate_param_use.rs:15:21 + | +LL | type TwoTys<T, U> = impl Debug; + | ^^^^^^^^^^ + +error: non-defining opaque type use in defining scope + --> $DIR/generic_duplicate_param_use.rs:27:5 | LL | t | ^ | note: type used multiple times - --> $DIR/generic_duplicate_param_use.rs:8:13 + --> $DIR/generic_duplicate_param_use.rs:15:13 | LL | type TwoTys<T, U> = impl Debug; | ^ ^ error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:26:5 + --> $DIR/generic_duplicate_param_use.rs:31:36 + | +LL | fn one_lifetime<'a>(t: &'a u32) -> TwoLifetimes<'a, 'a> { + | ^^^^^^^^^^^^^^^^^^^^ generic argument `'a` used twice + | +note: for this opaque type + --> $DIR/generic_duplicate_param_use.rs:21:29 + | +LL | type TwoLifetimes<'a, 'b> = impl Debug + Captures<'a> + Captures<'b>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: non-defining opaque type use in defining scope + --> $DIR/generic_duplicate_param_use.rs:33:5 | LL | t | ^ | note: lifetime used multiple times - --> $DIR/generic_duplicate_param_use.rs:15:19 + --> $DIR/generic_duplicate_param_use.rs:21:19 | LL | type TwoLifetimes<'a, 'b> = impl Debug + Captures<'a> + Captures<'b>; | ^^ ^^ error: non-defining opaque type use in defining scope - --> $DIR/generic_duplicate_param_use.rs:31:5 + --> $DIR/generic_duplicate_param_use.rs:37:50 + | +LL | fn one_const<const N: usize>(t: *mut [u8; N]) -> TwoConsts<N, N> { + | ^^^^^^^^^^^^^^^ generic argument `N` used twice + | +note: for this opaque type + --> $DIR/generic_duplicate_param_use.rs:23:50 + | +LL | type TwoConsts<const X: usize, const Y: usize> = impl Debug; + | ^^^^^^^^^^ + +error: non-defining opaque type use in defining scope + --> $DIR/generic_duplicate_param_use.rs:39:5 | LL | t | ^ | note: constant used multiple times - --> $DIR/generic_duplicate_param_use.rs:17:16 + --> $DIR/generic_duplicate_param_use.rs:23:16 | LL | type TwoConsts<const X: usize, const Y: usize> = impl Debug; | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 6 previous errors diff --git a/tests/ui/type-alias-impl-trait/generic_nondefining_use.rs b/tests/ui/type-alias-impl-trait/generic_nondefining_use.rs index e7b8567b9a2..68f4c6923ae 100644 --- a/tests/ui/type-alias-impl-trait/generic_nondefining_use.rs +++ b/tests/ui/type-alias-impl-trait/generic_nondefining_use.rs @@ -13,16 +13,19 @@ type OneConst<const X: usize> = impl Debug; // Not defining uses, because they doesn't define *all* possible generics. fn concrete_ty() -> OneTy<u32> { + //~^ ERROR: non-defining opaque type use in defining scope 5u32 - //~^ ERROR expected generic type parameter, found `u32` + //~^ ERROR: expected generic type parameter, found `u32` } fn concrete_lifetime() -> OneLifetime<'static> { + //~^ ERROR: non-defining opaque type use in defining scope 6u32 - //~^ ERROR expected generic lifetime parameter, found `'static` + //~^ ERROR: expected generic lifetime parameter, found `'static` } fn concrete_const() -> OneConst<{ 123 }> { + //~^ ERROR: non-defining opaque type use in defining scope 7u32 - //~^ ERROR expected generic constant parameter, found `123` + //~^ ERROR: expected generic constant parameter, found `123` } diff --git a/tests/ui/type-alias-impl-trait/generic_nondefining_use.stderr b/tests/ui/type-alias-impl-trait/generic_nondefining_use.stderr index 966fe823f02..e3b7b1a76b0 100644 --- a/tests/ui/type-alias-impl-trait/generic_nondefining_use.stderr +++ b/tests/ui/type-alias-impl-trait/generic_nondefining_use.stderr @@ -1,5 +1,17 @@ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/generic_nondefining_use.rs:15:21 + | +LL | fn concrete_ty() -> OneTy<u32> { + | ^^^^^^^^^^ argument `u32` is not a generic parameter + | +note: for this opaque type + --> $DIR/generic_nondefining_use.rs:7:17 + | +LL | type OneTy<T> = impl Debug; + | ^^^^^^^^^^ + error[E0792]: expected generic type parameter, found `u32` - --> $DIR/generic_nondefining_use.rs:16:5 + --> $DIR/generic_nondefining_use.rs:17:5 | LL | type OneTy<T> = impl Debug; | - this generic parameter must be used with a generic type parameter @@ -7,8 +19,20 @@ LL | type OneTy<T> = impl Debug; LL | 5u32 | ^^^^ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/generic_nondefining_use.rs:21:27 + | +LL | fn concrete_lifetime() -> OneLifetime<'static> { + | ^^^^^^^^^^^^^^^^^^^^ argument `'static` is not a generic parameter + | +note: for this opaque type + --> $DIR/generic_nondefining_use.rs:9:24 + | +LL | type OneLifetime<'a> = impl Debug; + | ^^^^^^^^^^ + error[E0792]: expected generic lifetime parameter, found `'static` - --> $DIR/generic_nondefining_use.rs:21:5 + --> $DIR/generic_nondefining_use.rs:23:5 | LL | type OneLifetime<'a> = impl Debug; | -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type @@ -16,8 +40,20 @@ LL | type OneLifetime<'a> = impl Debug; LL | 6u32 | ^^^^ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/generic_nondefining_use.rs:27:24 + | +LL | fn concrete_const() -> OneConst<{ 123 }> { + | ^^^^^^^^^^^^^^^^^ argument `123` is not a generic parameter + | +note: for this opaque type + --> $DIR/generic_nondefining_use.rs:11:33 + | +LL | type OneConst<const X: usize> = impl Debug; + | ^^^^^^^^^^ + error[E0792]: expected generic constant parameter, found `123` - --> $DIR/generic_nondefining_use.rs:26:5 + --> $DIR/generic_nondefining_use.rs:29:5 | LL | type OneConst<const X: usize> = impl Debug; | -------------- this generic parameter must be used with a generic constant parameter @@ -25,6 +61,6 @@ LL | type OneConst<const X: usize> = impl Debug; LL | 7u32 | ^^^^ -error: aborting due to 3 previous errors +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs b/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs index cdd8f6f1976..c60f5c11cd1 100644 --- a/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs +++ b/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs @@ -5,12 +5,12 @@ fn main() { let x = wrong_generic(&y); let z: i32 = x; //~^ ERROR expected generic type parameter, found `&i32` -} -type WrongGeneric<T> = impl 'static; -//~^ ERROR: at least one trait must be specified + type WrongGeneric<T> = impl 'static; + //~^ ERROR: at least one trait must be specified -fn wrong_generic<T>(t: T) -> WrongGeneric<T> { - t - //~^ ERROR the parameter type `T` may not live long enough + fn wrong_generic<T>(t: T) -> WrongGeneric<T> { + t + //~^ ERROR the parameter type `T` may not live long enough + } } diff --git a/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr b/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr index fa79e51e9f7..8c3a25dbfe7 100644 --- a/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr +++ b/tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr @@ -1,8 +1,8 @@ error: at least one trait must be specified - --> $DIR/generic_type_does_not_live_long_enough.rs:10:24 + --> $DIR/generic_type_does_not_live_long_enough.rs:9:28 | -LL | type WrongGeneric<T> = impl 'static; - | ^^^^^^^^^^^^ +LL | type WrongGeneric<T> = impl 'static; + | ^^^^^^^^^^^^ error[E0792]: expected generic type parameter, found `&i32` --> $DIR/generic_type_does_not_live_long_enough.rs:6:18 @@ -10,19 +10,19 @@ error[E0792]: expected generic type parameter, found `&i32` LL | let z: i32 = x; | ^ ... -LL | type WrongGeneric<T> = impl 'static; - | - this generic parameter must be used with a generic type parameter +LL | type WrongGeneric<T> = impl 'static; + | - this generic parameter must be used with a generic type parameter error[E0310]: the parameter type `T` may not live long enough - --> $DIR/generic_type_does_not_live_long_enough.rs:14:5 + --> $DIR/generic_type_does_not_live_long_enough.rs:13:9 | -LL | t - | ^ ...so that the type `T` will meet its required lifetime bounds +LL | t + | ^ ...so that the type `T` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound... | -LL | fn wrong_generic<T: 'static>(t: T) -> WrongGeneric<T> { - | +++++++++ +LL | fn wrong_generic<T: 'static>(t: T) -> WrongGeneric<T> { + | +++++++++ error: aborting due to 3 previous errors diff --git a/tests/ui/type-alias-impl-trait/higher_kinded_params.rs b/tests/ui/type-alias-impl-trait/higher_kinded_params.rs new file mode 100644 index 00000000000..db1a3a1c7a9 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/higher_kinded_params.rs @@ -0,0 +1,28 @@ +//! This test checks that walking into binders +//! during opaque type collection does not ICE or raise errors. + +// edition: 2021 + +// check-pass + +#![feature(type_alias_impl_trait)] + +trait B { + type C; +} + +struct A; + +impl<'a> B for &'a A { + type C = (); +} + +struct Terminator; + +type Successors<'a> = impl std::fmt::Debug + 'a; + +impl Terminator { + fn successors(&self, _: for<'x> fn(&'x ()) -> <&'x A as B>::C) -> Successors<'_> {} +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/higher_kinded_params2.rs b/tests/ui/type-alias-impl-trait/higher_kinded_params2.rs new file mode 100644 index 00000000000..f011e5b2148 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/higher_kinded_params2.rs @@ -0,0 +1,35 @@ +//! This test checks the behaviour of walking into binders +//! and normalizing something behind them actually works. + +// edition: 2021 + +#![feature(type_alias_impl_trait)] + +trait B { + type C; +} + +struct A; + +impl<'a> B for &'a A { + type C = Tait; +} + +type Tait = impl std::fmt::Debug; + +struct Terminator; + +type Successors<'a> = impl std::fmt::Debug + 'a; + +impl Terminator { + fn successors(&self, mut f: for<'x> fn(&'x ()) -> <&'x A as B>::C) -> Successors<'_> { + f = g; + //~^ ERROR item constrains opaque type that is not in its signature + } +} + +fn g(_: &()) -> String { + String::new() +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/higher_kinded_params2.stderr b/tests/ui/type-alias-impl-trait/higher_kinded_params2.stderr new file mode 100644 index 00000000000..39f584dd49c --- /dev/null +++ b/tests/ui/type-alias-impl-trait/higher_kinded_params2.stderr @@ -0,0 +1,15 @@ +error: item constrains opaque type that is not in its signature + --> $DIR/higher_kinded_params2.rs:26:13 + | +LL | f = g; + | ^ + | + = note: this item must mention the opaque type in its signature in order to be able to register hidden types +note: this item must mention the opaque type in its signature in order to be able to register hidden types + --> $DIR/higher_kinded_params2.rs:25:8 + | +LL | fn successors(&self, mut f: for<'x> fn(&'x ()) -> <&'x A as B>::C) -> Successors<'_> { + | ^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/type-alias-impl-trait/higher_kinded_params3.rs b/tests/ui/type-alias-impl-trait/higher_kinded_params3.rs index 839a611cb71..6edfccaf7d1 100644 --- a/tests/ui/type-alias-impl-trait/higher_kinded_params3.rs +++ b/tests/ui/type-alias-impl-trait/higher_kinded_params3.rs @@ -24,7 +24,8 @@ type Successors<'a> = impl std::fmt::Debug + 'a; impl Terminator { fn successors(&self, mut f: for<'x> fn(&'x ()) -> <&'x A as B>::C) -> Successors<'_> { f = g; - //~^ ERROR: mismatched types + //~^ ERROR mismatched types + //~| ERROR item constrains opaque type that is not in its signature } } diff --git a/tests/ui/type-alias-impl-trait/higher_kinded_params3.stderr b/tests/ui/type-alias-impl-trait/higher_kinded_params3.stderr index aaba9ad5ca7..14372d8f3e6 100644 --- a/tests/ui/type-alias-impl-trait/higher_kinded_params3.stderr +++ b/tests/ui/type-alias-impl-trait/higher_kinded_params3.stderr @@ -1,3 +1,16 @@ +error: item constrains opaque type that is not in its signature + --> $DIR/higher_kinded_params3.rs:26:13 + | +LL | f = g; + | ^ + | + = note: this item must mention the opaque type in its signature in order to be able to register hidden types +note: this item must mention the opaque type in its signature in order to be able to register hidden types + --> $DIR/higher_kinded_params3.rs:25:8 + | +LL | fn successors(&self, mut f: for<'x> fn(&'x ()) -> <&'x A as B>::C) -> Successors<'_> { + | ^^^^^^^^^^ + error[E0308]: mismatched types --> $DIR/higher_kinded_params3.rs:26:9 | @@ -10,6 +23,6 @@ LL | f = g; = note: expected fn pointer `for<'x> fn(&'x ()) -> Tait<'x>` found fn pointer `for<'a> fn(&'a ()) -> &'a ()` -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/type-alias-impl-trait/inference-cycle.rs b/tests/ui/type-alias-impl-trait/inference-cycle.rs index 093afc25249..20175a4feca 100644 --- a/tests/ui/type-alias-impl-trait/inference-cycle.rs +++ b/tests/ui/type-alias-impl-trait/inference-cycle.rs @@ -17,8 +17,8 @@ mod m { //~^ ERROR: cannot check whether the hidden type of `inference_cycle[4ecc]::m::Foo::{opaque#0}` satisfies auto traits } - fn baz() { - let f: Foo = (); + fn baz() -> Foo { + () } fn is_send<T: Send>(_: T) {} diff --git a/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs b/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs index a3f126d56cf..a213dbba4ea 100644 --- a/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs +++ b/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs @@ -1,19 +1,22 @@ #![feature(generators, generator_trait, rustc_attrs)] #![feature(type_alias_impl_trait)] -use std::ops::Generator; +// check-pass -type GenOnce<Y, R> = impl Generator<Yield = Y, Return = R>; +mod gen { + use std::ops::Generator; -const fn const_generator<Y, R>(yielding: Y, returning: R) -> GenOnce<Y, R> { - move || { - yield yielding; + pub type GenOnce<Y, R> = impl Generator<Yield = Y, Return = R>; - return returning; + pub const fn const_generator<Y, R>(yielding: Y, returning: R) -> GenOnce<Y, R> { + move || { + yield yielding; + + return returning; + } } } -const FOO: GenOnce<usize, usize> = const_generator(10, 100); +const FOO: gen::GenOnce<usize, usize> = gen::const_generator(10, 100); -#[rustc_error] -fn main() {} //~ ERROR +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr b/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr deleted file mode 100644 index eb1c9603a60..00000000000 --- a/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/issue-53678-generator-and-const-fn.rs:19:1 - | -LL | fn main() {} - | ^^^^^^^^^ - -error: aborting due to previous error - diff --git a/tests/ui/type-alias-impl-trait/issue-57961.rs b/tests/ui/type-alias-impl-trait/issue-57961.rs index 4aa5966ff25..61af7a0f625 100644 --- a/tests/ui/type-alias-impl-trait/issue-57961.rs +++ b/tests/ui/type-alias-impl-trait/issue-57961.rs @@ -11,8 +11,8 @@ impl Foo for () { //~^ ERROR expected `IntoIter<u32>` to be an iterator that yields `X`, but it yields `u32` } -fn incoherent() { - let f: X = 22_i32; +fn incoherent() -> X { + 22_i32 } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-60564.rs b/tests/ui/type-alias-impl-trait/issue-60564.rs index c2f4c370807..48bd70bcca9 100644 --- a/tests/ui/type-alias-impl-trait/issue-60564.rs +++ b/tests/ui/type-alias-impl-trait/issue-60564.rs @@ -17,6 +17,7 @@ where { type BitsIter = IterBitsIter<T, E, u8>; fn iter_bits(self, n: u8) -> Self::BitsIter { + //~^ ERROR non-defining opaque type use (0u8..n).rev().map(move |shift| ((self >> T::from(shift)) & T::from(1)).try_into().unwrap()) //~^ ERROR expected generic type parameter, found `u8` } diff --git a/tests/ui/type-alias-impl-trait/issue-60564.stderr b/tests/ui/type-alias-impl-trait/issue-60564.stderr index f8fdb004d09..d42495e934d 100644 --- a/tests/ui/type-alias-impl-trait/issue-60564.stderr +++ b/tests/ui/type-alias-impl-trait/issue-60564.stderr @@ -1,5 +1,17 @@ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/issue-60564.rs:19:34 + | +LL | fn iter_bits(self, n: u8) -> Self::BitsIter { + | ^^^^^^^^^^^^^^ argument `u8` is not a generic parameter + | +note: for this opaque type + --> $DIR/issue-60564.rs:8:30 + | +LL | type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error[E0792]: expected generic type parameter, found `u8` - --> $DIR/issue-60564.rs:20:9 + --> $DIR/issue-60564.rs:21:9 | LL | type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>; | - this generic parameter must be used with a generic type parameter @@ -7,6 +19,6 @@ LL | type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>; LL | (0u8..n).rev().map(move |shift| ((self >> T::from(shift)) & T::from(1)).try_into().unwrap()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/issue-63263-closure-return.rs b/tests/ui/type-alias-impl-trait/issue-63263-closure-return.rs index 7414611a748..ddea7aeb6cd 100644 --- a/tests/ui/type-alias-impl-trait/issue-63263-closure-return.rs +++ b/tests/ui/type-alias-impl-trait/issue-63263-closure-return.rs @@ -8,6 +8,9 @@ pub type Closure = impl FnOnce(); -fn main() { +fn bop() -> Closure { || -> Closure { || () }; + panic!() } + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs b/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs index b91cbce3727..7b3e9e12405 100644 --- a/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs +++ b/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs @@ -11,7 +11,9 @@ type T = impl Sized; fn take(_: fn() -> T) {} -fn main() { +fn bop(_: T) { take(|| {}); take(|| {}); } + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs index 5e0a82a7286..9dcdb578568 100644 --- a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs +++ b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.rs @@ -7,7 +7,8 @@ trait Trait<T> {} type Alias<'a, U> = impl Trait<U>; fn f<'a>() -> Alias<'a, ()> {} -//~^ ERROR expected generic type parameter, found `()` +//~^ ERROR non-defining opaque type use +//~| ERROR expected generic type parameter, found `()` fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr index 271743a4010..085bffe907b 100644 --- a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr +++ b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use-2.stderr @@ -1,3 +1,15 @@ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/issue-68368-non-defining-use-2.rs:9:15 + | +LL | fn f<'a>() -> Alias<'a, ()> {} + | ^^^^^^^^^^^^^ argument `()` is not a generic parameter + | +note: for this opaque type + --> $DIR/issue-68368-non-defining-use-2.rs:7:21 + | +LL | type Alias<'a, U> = impl Trait<U>; + | ^^^^^^^^^^^^^ + error[E0792]: expected generic type parameter, found `()` --> $DIR/issue-68368-non-defining-use-2.rs:9:29 | @@ -7,6 +19,6 @@ LL | LL | fn f<'a>() -> Alias<'a, ()> {} | ^^ -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs index 3b32260c96f..dfe2ee8204c 100644 --- a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs +++ b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.rs @@ -8,6 +8,7 @@ type Alias<'a, U> = impl Trait<U>; fn f<'a>() -> Alias<'a, ()> {} //~^ ERROR expected generic type parameter, found `()` +//~| ERROR non-defining opaque type use fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr index 4d9a8d6eef9..ea704ffff97 100644 --- a/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr +++ b/tests/ui/type-alias-impl-trait/issue-68368-non-defining-use.stderr @@ -1,3 +1,15 @@ +error[E0792]: non-defining opaque type use in defining scope + --> $DIR/issue-68368-non-defining-use.rs:9:15 + | +LL | fn f<'a>() -> Alias<'a, ()> {} + | ^^^^^^^^^^^^^ argument `()` is not a generic parameter + | +note: for this opaque type + --> $DIR/issue-68368-non-defining-use.rs:7:21 + | +LL | type Alias<'a, U> = impl Trait<U>; + | ^^^^^^^^^^^^^ + error[E0792]: expected generic type parameter, found `()` --> $DIR/issue-68368-non-defining-use.rs:9:29 | @@ -7,6 +19,6 @@ LL | LL | fn f<'a>() -> Alias<'a, ()> {} | ^^ -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs b/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs index 7657fe2fb1a..a0f8e48e268 100644 --- a/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs +++ b/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.rs @@ -1,4 +1,6 @@ -// Regression test for #69136 +//! Regression test for #69136 +//! This test checks that the unknown lifetime `'a` doesn't cause +//! ICEs after emitting the error. #![feature(type_alias_impl_trait)] @@ -17,7 +19,6 @@ impl<T> WithAssoc<T> for () { type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; //~^ ERROR use of undeclared lifetime name `'a` -fn my_fun() -> Return<()> {} -//~^ ERROR expected generic type parameter, found `()` +fn my_fun<T>() -> Return<T> {} fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr b/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr index d1250786d93..b7af3f06d0d 100644 --- a/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr +++ b/tests/ui/type-alias-impl-trait/issue-69136-inner-lifetime-resolve-error.stderr @@ -1,5 +1,5 @@ error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:17:65 + --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:19:65 | LL | type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; | ^^ undeclared lifetime @@ -14,16 +14,6 @@ help: consider introducing lifetime `'a` here LL | type Return<'a, A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; | +++ -error[E0792]: expected generic type parameter, found `()` - --> $DIR/issue-69136-inner-lifetime-resolve-error.rs:20:27 - | -LL | type Return<A> = impl WithAssoc<A, AssocType = impl SomeTrait + 'a>; - | - this generic parameter must be used with a generic type parameter -... -LL | fn my_fun() -> Return<()> {} - | ^^ - -error: aborting due to 2 previous errors +error: aborting due to previous error -Some errors have detailed explanations: E0261, E0792. -For more information about an error, try `rustc --explain E0261`. +For more information about this error, try `rustc --explain E0261`. diff --git a/tests/ui/type-alias-impl-trait/issue-70121.rs b/tests/ui/type-alias-impl-trait/issue-70121.rs index dff0d89d465..bfd8d8872e3 100644 --- a/tests/ui/type-alias-impl-trait/issue-70121.rs +++ b/tests/ui/type-alias-impl-trait/issue-70121.rs @@ -1,5 +1,3 @@ -// check-pass - #![feature(type_alias_impl_trait)] pub type Successors<'a> = impl Iterator<Item = &'a ()>; @@ -17,6 +15,7 @@ impl<'a> Tr for &'a () { } pub fn kazusa<'a>() -> <&'a () as Tr>::Item { + //~^ ERROR item constrains opaque type that is not in its signature None.into_iter() } diff --git a/tests/ui/type-alias-impl-trait/issue-70121.stderr b/tests/ui/type-alias-impl-trait/issue-70121.stderr new file mode 100644 index 00000000000..30c3ddd8659 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-70121.stderr @@ -0,0 +1,15 @@ +error: item constrains opaque type that is not in its signature + --> $DIR/issue-70121.rs:17:24 + | +LL | pub fn kazusa<'a>() -> <&'a () as Tr>::Item { + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: this item must mention the opaque type in its signature in order to be able to register hidden types +note: this item must mention the opaque type in its signature in order to be able to register hidden types + --> $DIR/issue-70121.rs:17:8 + | +LL | pub fn kazusa<'a>() -> <&'a () as Tr>::Item { + | ^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/type-alias-impl-trait/issue-77179.rs b/tests/ui/type-alias-impl-trait/issue-77179.rs index 8d818d4a387..e7b04a48975 100644 --- a/tests/ui/type-alias-impl-trait/issue-77179.rs +++ b/tests/ui/type-alias-impl-trait/issue-77179.rs @@ -2,7 +2,7 @@ #![feature(type_alias_impl_trait)] -type Pointer<T> = impl std::ops::Deref<Target=T>; +type Pointer<T> = impl std::ops::Deref<Target = T>; fn test() -> Pointer<_> { //~^ ERROR: the placeholder `_` is not allowed within types diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr index f4d96038d91..dccf84362f0 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr @@ -8,8 +8,8 @@ LL | () | -- return type was inferred to be `()` here | = help: the following other types implement trait `Foo<A>`: - <() as Foo<()>> <() as Foo<u32>> + <() as Foo<()>> error: aborting due to previous error diff --git a/tests/ui/type-alias-impl-trait/nested_in_closure.rs b/tests/ui/type-alias-impl-trait/nested_in_closure.rs new file mode 100644 index 00000000000..362f3d53e88 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested_in_closure.rs @@ -0,0 +1,17 @@ +#![feature(type_alias_impl_trait)] +// check-pass + +fn main() { + let x = || { + type Tait = impl Sized; + let y: Tait = (); + }; + + let y = || { + type Tait = impl std::fmt::Debug; + let y: Tait = (); + y + }; + let mut z = y(); + z = (); +} diff --git a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs index 60b6e1aac62..07607516cc4 100644 --- a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs +++ b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs @@ -10,11 +10,11 @@ mod my_mod { 5i32 } - pub fn get_foot() -> Foot { + pub fn get_foot(_: Foo) -> Foot { get_foo() //~ ERROR opaque type's hidden type cannot be another opaque type } } fn main() { - let _: my_mod::Foot = my_mod::get_foot(); + let _: my_mod::Foot = my_mod::get_foot(my_mod::get_foo()); } diff --git a/tests/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr b/tests/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr index ae03a5b3e37..863282a0ff9 100644 --- a/tests/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr +++ b/tests/ui/type-alias-impl-trait/no_revealing_outside_defining_module.stderr @@ -11,6 +11,11 @@ LL | let _: &str = bomp(); | = note: expected reference `&str` found opaque type `Boo` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/no_revealing_outside_defining_module.rs:14:4 + | +LL | fn bomp2() { + | ^^^^^ error[E0308]: mismatched types --> $DIR/no_revealing_outside_defining_module.rs:19:5 @@ -25,6 +30,11 @@ LL | "" | = note: expected opaque type `Boo` found reference `&'static str` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/no_revealing_outside_defining_module.rs:18:4 + | +LL | fn bomp() -> boo::Boo { + | ^^^^ error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/reveal_local.rs b/tests/ui/type-alias-impl-trait/reveal_local.rs index 75015e41c3d..7943bb240f1 100644 --- a/tests/ui/type-alias-impl-trait/reveal_local.rs +++ b/tests/ui/type-alias-impl-trait/reveal_local.rs @@ -16,7 +16,7 @@ fn not_good() { //~^ ERROR: cannot check whether the hidden type of `reveal_local[9507]::Foo::{opaque#0}` satisfies auto traits } -fn not_gooder() { +fn not_gooder() -> Foo { // Constrain `Foo = u32` let x: Foo = 22_u32; @@ -24,6 +24,8 @@ fn not_gooder() { // need extra roundabout logic to support it. is_send::<Foo>(); //~^ ERROR: cannot check whether the hidden type of `reveal_local[9507]::Foo::{opaque#0}` satisfies auto traits + + x } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/reveal_local.stderr b/tests/ui/type-alias-impl-trait/reveal_local.stderr index 202a87ecbb7..0c5ef4a6fb4 100644 --- a/tests/ui/type-alias-impl-trait/reveal_local.stderr +++ b/tests/ui/type-alias-impl-trait/reveal_local.stderr @@ -78,8 +78,8 @@ LL | type Foo = impl Debug; note: ...which requires type-checking `not_gooder`... --> $DIR/reveal_local.rs:19:1 | -LL | fn not_gooder() { - | ^^^^^^^^^^^^^^^ +LL | fn not_gooder() -> Foo { + | ^^^^^^^^^^^^^^^^^^^^^^ = note: ...which again requires computing type of `Foo::{opaque#0}`, completing the cycle note: cycle used when checking item types in top-level module --> $DIR/reveal_local.rs:1:1 @@ -107,7 +107,7 @@ LL | type Foo = impl Debug; note: this item depends on auto traits of the hidden type, but may also be registering the hidden type. This is not supported right now. You can try moving the opaque type and the item that actually registers a hidden type into a new submodule --> $DIR/reveal_local.rs:19:4 | -LL | fn not_gooder() { +LL | fn not_gooder() -> Foo { | ^^^^^^^^^^ note: required by a bound in `is_send` --> $DIR/reveal_local.rs:10:15 diff --git a/tests/ui/type-alias-impl-trait/type_of_a_let.rs b/tests/ui/type-alias-impl-trait/type_of_a_let.rs index 4e9d1788b94..36161171555 100644 --- a/tests/ui/type-alias-impl-trait/type_of_a_let.rs +++ b/tests/ui/type-alias-impl-trait/type_of_a_let.rs @@ -5,16 +5,16 @@ use std::fmt::Debug; type Foo = impl Debug; -fn foo1() -> u32 { +fn foo1() -> (u32, Foo) { let x: Foo = 22_u32; - x + (x, todo!()) } -fn foo2() -> u32 { +fn foo2() -> (u32, Foo) { let x: Foo = 22_u32; let y: Foo = x; same_type((x, y)); //~ ERROR use of moved value - y //~ ERROR use of moved value + (y, todo!()) //~ ERROR use of moved value } fn same_type<T>(x: (T, T)) {} diff --git a/tests/ui/type-alias-impl-trait/type_of_a_let.stderr b/tests/ui/type-alias-impl-trait/type_of_a_let.stderr index 1dabe4586c5..7d7cad874fa 100644 --- a/tests/ui/type-alias-impl-trait/type_of_a_let.stderr +++ b/tests/ui/type-alias-impl-trait/type_of_a_let.stderr @@ -9,14 +9,14 @@ LL | same_type((x, y)); | ^ value used here after move error[E0382]: use of moved value: `y` - --> $DIR/type_of_a_let.rs:17:5 + --> $DIR/type_of_a_let.rs:17:6 | LL | let y: Foo = x; | - move occurs because `y` has type `Foo`, which does not implement the `Copy` trait LL | same_type((x, y)); | - value moved here -LL | y - | ^ value used here after move +LL | (y, todo!()) + | ^ value used here after move error: aborting due to 2 previous errors diff --git a/tests/ui/type/type-check-defaults.stderr b/tests/ui/type/type-check-defaults.stderr index 9ba63ffe9c9..10d600cbfcc 100644 --- a/tests/ui/type/type-check-defaults.stderr +++ b/tests/ui/type/type-check-defaults.stderr @@ -66,10 +66,10 @@ LL | trait ProjectionPred<T:Iterator = IntoIter<i32>> where T::Item : Add<u8> {} | = help: the trait `Add<u8>` is not implemented for `i32` = help: the following other types implement trait `Add<Rhs>`: + <i32 as Add> + <i32 as Add<&i32>> <&'a i32 as Add<i32>> <&i32 as Add<&i32>> - <i32 as Add<&i32>> - <i32 as Add> error: aborting due to 7 previous errors diff --git a/tests/ui/typeck/issue-81293.stderr b/tests/ui/typeck/issue-81293.stderr index 6976be71135..292c63070ae 100644 --- a/tests/ui/typeck/issue-81293.stderr +++ b/tests/ui/typeck/issue-81293.stderr @@ -21,10 +21,10 @@ LL | a = c + b * 5; | = help: the trait `Add<u16>` is not implemented for `usize` = help: the following other types implement trait `Add<Rhs>`: + <usize as Add> + <usize as Add<&usize>> <&'a usize as Add<usize>> <&usize as Add<&usize>> - <usize as Add<&usize>> - <usize as Add> error: aborting due to 3 previous errors diff --git a/tests/ui/typeck/issue-90101.stderr b/tests/ui/typeck/issue-90101.stderr index d2729d85354..484089f9e87 100644 --- a/tests/ui/typeck/issue-90101.stderr +++ b/tests/ui/typeck/issue-90101.stderr @@ -7,11 +7,11 @@ LL | func(Path::new("hello").to_path_buf().to_string_lossy(), "world") | required by a bound introduced by this call | = help: the following other types implement trait `From<T>`: - <PathBuf as From<&T>> <PathBuf as From<Box<Path>>> <PathBuf as From<Cow<'a, Path>>> <PathBuf as From<OsString>> <PathBuf as From<String>> + <PathBuf as From<&T>> = note: required for `Cow<'_, str>` to implement `Into<PathBuf>` note: required by a bound in `func` --> $DIR/issue-90101.rs:3:20 diff --git a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr index 96ac4321689..85adf775139 100644 --- a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr +++ b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr @@ -8,10 +8,10 @@ LL | <i32 as Add<u32>>::add(1, 2); | = help: the trait `Add<u32>` is not implemented for `i32` = help: the following other types implement trait `Add<Rhs>`: + <i32 as Add> + <i32 as Add<&i32>> <&'a i32 as Add<i32>> <&i32 as Add<&i32>> - <i32 as Add<&i32>> - <i32 as Add> error[E0308]: mismatched types --> $DIR/ufcs-qpath-self-mismatch.rs:7:28 @@ -65,10 +65,10 @@ LL | <i32 as Add<u32>>::add(1, 2); | = help: the trait `Add<u32>` is not implemented for `i32` = help: the following other types implement trait `Add<Rhs>`: + <i32 as Add> + <i32 as Add<&i32>> <&'a i32 as Add<i32>> <&i32 as Add<&i32>> - <i32 as Add<&i32>> - <i32 as Add> error: aborting due to 4 previous errors diff --git a/triagebot.toml b/triagebot.toml index 4bab8facc85..e6c593204ca 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -20,6 +20,7 @@ allow-unauthenticated = [ "regression-*", "perf-*", "AsyncAwait-OnDeck", + "needs-triage", ] [glacier] @@ -254,6 +255,9 @@ trigger_files = [ [autolabel."S-waiting-on-review"] new_pr = true +[autolabel."needs-triage"] +new_issue = true + [autolabel."WG-trait-system-refactor"] trigger_files = [ "compiler/rustc_trait_selection/src/solve", |