diff options
35 files changed, 443 insertions, 156 deletions
diff --git a/Cargo.lock b/Cargo.lock index 09e189fcac0..adaac69af57 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1281,26 +1281,15 @@ checksum = "88bffebc5d80432c9b140ee17875ff173a8ab62faad5b257da912bd2f6c1c0a1" [[package]] name = "errno" -version = "0.3.1" +version = "0.3.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a" +checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860" dependencies = [ - "errno-dragonfly", "libc", "windows-sys 0.48.0", ] [[package]] -name = "errno-dragonfly" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf" -dependencies = [ - "cc", - "libc", -] - -[[package]] name = "error_index_generator" version = "0.0.0" dependencies = [ @@ -2055,7 +2044,6 @@ dependencies = [ "anyhow", "clap", "flate2", - "num_cpus", "rayon", "tar", "walkdir", @@ -3181,9 +3169,9 @@ dependencies = [ [[package]] name = "rayon" -version = "1.7.0" +version = "1.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b" +checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1" dependencies = [ "either", "rayon-core", @@ -3191,14 +3179,12 @@ dependencies = [ [[package]] name = "rayon-core" -version = "1.11.0" +version = "1.12.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d" +checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed" dependencies = [ - "crossbeam-channel", "crossbeam-deque", "crossbeam-utils", - "num_cpus", ] [[package]] diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index e71f421659e..48421ff7140 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -146,37 +146,49 @@ pub fn print_crate<'a>( s.s.eof() } -/// This makes printed token streams look slightly nicer, -/// and also addresses some specific regressions described in #63896 and #73345. -fn space_between(prev: &TokenTree, curr: &TokenTree) -> bool { - if let TokenTree::Token(token, _) = prev { - // No space after these tokens, e.g. `x.y`, `$e` - // (The carets point to `prev`.) ^ ^ - if matches!(token.kind, token::Dot | token::Dollar) { - return false; - } - if let token::DocComment(comment_kind, ..) = token.kind { - return comment_kind != CommentKind::Line; - } - } - match curr { - // No space before these tokens, e.g. `foo,`, `println!`, `x.y` - // (The carets point to `curr`.) ^ ^ ^ +/// Should two consecutive tokens be printed with a space between them? +/// +/// Note: some old proc macros parse pretty-printed output, so changes here can +/// break old code. For example: +/// - #63896: `#[allow(unused,` must be printed rather than `#[allow(unused ,` +/// - #73345: `#[allow(unused)] must be printed rather than `# [allow(unused)] +/// +fn space_between(tt1: &TokenTree, tt2: &TokenTree) -> bool { + use token::*; + use Delimiter::*; + use TokenTree::Delimited as Del; + use TokenTree::Token as Tok; + + // Each match arm has one or more examples in comments. The default is to + // insert space between adjacent tokens, except for the cases listed in + // this match. + match (tt1, tt2) { + // No space after line doc comments. + (Tok(Token { kind: DocComment(CommentKind::Line, ..), .. }, _), _) => false, + + // `.` + ANYTHING: `x.y`, `tup.0` + // `$` + ANYTHING: `$e` + (Tok(Token { kind: Dot | Dollar, .. }, _), _) => false, + + // ANYTHING + `,`: `foo,` + // ANYTHING + `.`: `x.y`, `tup.0` + // ANYTHING + `!`: `foo! { ... }` // - // FIXME: having `Not` here works well for macro invocations like - // `println!()`, but is bad when `!` means "logical not" or "the never - // type", where the lack of space causes ugliness like this: - // `Fn() ->!`, `x =! y`, `if! x { f(); }`. - TokenTree::Token(token, _) => !matches!(token.kind, token::Comma | token::Not | token::Dot), - // No space before parentheses if preceded by these tokens, e.g. `foo(...)` - TokenTree::Delimited(_, Delimiter::Parenthesis, _) => { - !matches!(prev, TokenTree::Token(Token { kind: token::Ident(..), .. }, _)) - } - // No space before brackets if preceded by these tokens, e.g. `#[...]` - TokenTree::Delimited(_, Delimiter::Bracket, _) => { - !matches!(prev, TokenTree::Token(Token { kind: token::Pound, .. }, _)) - } - TokenTree::Delimited(..) => true, + // FIXME: Incorrect cases: + // - Logical not: `x =! y`, `if! x { f(); }` + // - Never type: `Fn() ->!` + (_, Tok(Token { kind: Comma | Dot | Not, .. }, _)) => false, + + // IDENT + `(`: `f(3)` + // + // FIXME: Incorrect cases: + // - Let: `let(a, b) = (1, 2)` + (Tok(Token { kind: Ident(..), .. }, _), Del(_, Parenthesis, _)) => false, + + // `#` + `[`: `#[attr]` + (Tok(Token { kind: Pound, .. }, _), Del(_, Bracket, _)) => false, + + _ => true, } } diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 8e66083a390..d3081695523 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -4,11 +4,11 @@ use rustc_data_structures::profiling::TimePassesFormat; use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig}; use rustc_session::config::{ build_configuration, build_session_options, rustc_optgroups, BranchProtection, CFGuard, Cfg, - DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation, Externs, Input, - InstrumentCoverage, InstrumentXRay, LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli, - MirSpanview, OomStrategy, Options, OutFileName, OutputType, OutputTypes, PAuthKey, PacRet, - Passes, Polonius, ProcMacroExecutionStrategy, Strip, SwitchWithOptPath, SymbolManglingVersion, - TraitSolver, WasiExecModel, + DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation, Externs, + InliningThreshold, Input, InstrumentCoverage, InstrumentXRay, LinkSelfContained, + LinkerPluginLto, LocationDetail, LtoCli, MirSpanview, OomStrategy, Options, OutFileName, + OutputType, OutputTypes, PAuthKey, PacRet, Passes, Polonius, ProcMacroExecutionStrategy, Strip, + SwitchWithOptPath, SymbolManglingVersion, TraitSolver, WasiExecModel, }; use rustc_session::lint::Level; use rustc_session::search_paths::SearchPath; @@ -748,7 +748,7 @@ fn test_unstable_options_tracking_hash() { ); tracked!(codegen_backend, Some("abc".to_string())); tracked!(crate_attr, vec!["abc".to_string()]); - tracked!(cross_crate_inline_threshold, Some(200)); + tracked!(cross_crate_inline_threshold, InliningThreshold::Always); tracked!(debug_info_for_profiling, true); tracked!(debug_macros, true); tracked!(dep_info_omit_d_target, true); diff --git a/compiler/rustc_mir_transform/src/cross_crate_inline.rs b/compiler/rustc_mir_transform/src/cross_crate_inline.rs index 4d0e261ed1f..261d9dd448d 100644 --- a/compiler/rustc_mir_transform/src/cross_crate_inline.rs +++ b/compiler/rustc_mir_transform/src/cross_crate_inline.rs @@ -7,6 +7,7 @@ use rustc_middle::mir::visit::Visitor; use rustc_middle::mir::*; use rustc_middle::query::Providers; use rustc_middle::ty::TyCtxt; +use rustc_session::config::InliningThreshold; use rustc_session::config::OptLevel; pub fn provide(providers: &mut Providers) { @@ -54,6 +55,12 @@ fn cross_crate_inlinable(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { return false; } + let threshold = match tcx.sess.opts.unstable_opts.cross_crate_inline_threshold { + InliningThreshold::Always => return true, + InliningThreshold::Sometimes(threshold) => threshold, + InliningThreshold::Never => return false, + }; + let mir = tcx.optimized_mir(def_id); let mut checker = CostChecker { tcx, callee_body: mir, calls: 0, statements: 0, landing_pads: 0, resumes: 0 }; @@ -61,8 +68,7 @@ fn cross_crate_inlinable(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { checker.calls == 0 && checker.resumes == 0 && checker.landing_pads == 0 - && checker.statements - <= tcx.sess.opts.unstable_opts.cross_crate_inline_threshold.unwrap_or(100) + && checker.statements <= threshold } struct CostChecker<'b, 'tcx> { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 930fb693eb6..f745bc390ca 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -3161,10 +3161,10 @@ impl PpMode { pub(crate) mod dep_tracking { use super::{ BranchProtection, CFGuard, CFProtection, CrateType, DebugInfo, DebugInfoCompression, - ErrorOutputType, InstrumentCoverage, InstrumentXRay, LinkerPluginLto, LocationDetail, - LtoCli, OomStrategy, OptLevel, OutFileName, OutputType, OutputTypes, Polonius, - RemapPathScopeComponents, ResolveDocLinks, SourceFileHashAlgorithm, SplitDwarfKind, - SwitchWithOptPath, SymbolManglingVersion, TraitSolver, TrimmedDefPaths, + ErrorOutputType, InliningThreshold, InstrumentCoverage, InstrumentXRay, LinkerPluginLto, + LocationDetail, LtoCli, OomStrategy, OptLevel, OutFileName, OutputType, OutputTypes, + Polonius, RemapPathScopeComponents, ResolveDocLinks, SourceFileHashAlgorithm, + SplitDwarfKind, SwitchWithOptPath, SymbolManglingVersion, TraitSolver, TrimmedDefPaths, }; use crate::lint; use crate::options::WasiExecModel; @@ -3270,6 +3270,7 @@ pub(crate) mod dep_tracking { LanguageIdentifier, TraitSolver, Polonius, + InliningThreshold, ); impl<T1, T2> DepTrackingHash for (T1, T2) @@ -3435,3 +3436,16 @@ impl Polonius { matches!(self, Polonius::Next) } } + +#[derive(Clone, Copy, PartialEq, Hash, Debug)] +pub enum InliningThreshold { + Always, + Sometimes(usize), + Never, +} + +impl Default for InliningThreshold { + fn default() -> Self { + Self::Sometimes(100) + } +} diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 7510a41485a..964a26e94fe 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -428,6 +428,8 @@ mod desc { "one of supported execution strategies (`same-thread`, or `cross-thread`)"; pub const parse_dump_solver_proof_tree: &str = "one of: `always`, `on-request`, `on-error`"; pub const parse_remap_path_scope: &str = "comma separated list of scopes: `macro`, `diagnostics`, `unsplit-debuginfo`, `split-debuginfo`, `split-debuginfo-path`, `object`, `all`"; + pub const parse_inlining_threshold: &str = + "either a boolean (`yes`, `no`, `on`, `off`, etc), or a non-negative number"; } mod parse { @@ -1310,6 +1312,26 @@ mod parse { }; true } + + pub(crate) fn parse_inlining_threshold(slot: &mut InliningThreshold, v: Option<&str>) -> bool { + match v { + Some("always" | "yes") => { + *slot = InliningThreshold::Always; + } + Some("never") => { + *slot = InliningThreshold::Never; + } + Some(v) => { + if let Ok(threshold) = v.parse() { + *slot = InliningThreshold::Sometimes(threshold); + } else { + return false; + } + } + None => return false, + } + true + } } options! { @@ -1479,7 +1501,7 @@ options! { "combine CGUs into a single one"), crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED], "inject the given attribute in the crate"), - cross_crate_inline_threshold: Option<usize> = (None, parse_opt_number, [TRACKED], + cross_crate_inline_threshold: InliningThreshold = (InliningThreshold::Sometimes(100), parse_inlining_threshold, [TRACKED], "threshold to allow cross crate inlining of functions"), debug_info_for_profiling: bool = (false, parse_bool, [TRACKED], "emit discriminators and other data necessary for AutoFDO"), diff --git a/config.example.toml b/config.example.toml index 4984cf8ba1e..e5df28a49af 100644 --- a/config.example.toml +++ b/config.example.toml @@ -30,7 +30,7 @@ # # If `change-id` does not match the version that is currently running, # `x.py` will prompt you to update it and check the related PR for more details. -change-id = 117435 +change-id = 116881 # ============================================================================= # Tweaking how LLVM is compiled @@ -42,11 +42,15 @@ change-id = 117435 # Unless you're developing for a target where Rust CI doesn't build a compiler # toolchain or changing LLVM locally, you probably want to leave this enabled. # -# All tier 1 targets are currently supported; set this to `"if-available"` if -# you are not sure whether you're on a tier 1 target. +# Set this to `"if-available"` if you are not sure whether you're on a tier 1 +# target. All tier 1 targets are currently supported; # # We also currently only support this when building LLVM for the build triple. # +# Set this to `"if-unchanged"` to only download if the llvm-project have not +# been modified. (If there are no changes or if built from tarball source, +# the logic is the same as "if-available") +# # Note that many of the LLVM options are not currently supported for # downloading. Currently only the "assertions" option can be toggled. #download-ci-llvm = if rust.channel == "dev" { "if-available" } else { false } diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index 346bfb30fec..57113b0ec62 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -181,16 +181,6 @@ dependencies = [ ] [[package]] -name = "crossbeam-channel" -version = "0.5.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521" -dependencies = [ - "cfg-if", - "crossbeam-utils", -] - -[[package]] name = "crossbeam-deque" version = "0.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -324,15 +314,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8" [[package]] -name = "hermit-abi" -version = "0.1.19" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" -dependencies = [ - "libc", -] - -[[package]] name = "hex" version = "0.4.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -444,16 +425,6 @@ dependencies = [ ] [[package]] -name = "num_cpus" -version = "1.13.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1" -dependencies = [ - "hermit-abi", - "libc", -] - -[[package]] name = "object" version = "0.32.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -514,25 +485,22 @@ dependencies = [ [[package]] name = "rayon" -version = "1.6.0" +version = "1.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b" +checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1" dependencies = [ - "crossbeam-deque", "either", "rayon-core", ] [[package]] name = "rayon-core" -version = "1.10.1" +version = "1.12.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3" +checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed" dependencies = [ - "crossbeam-channel", "crossbeam-deque", "crossbeam-utils", - "num_cpus", ] [[package]] diff --git a/src/bootstrap/defaults/config.codegen.toml b/src/bootstrap/defaults/config.codegen.toml index 113df88d7c3..7c33ce958c9 100644 --- a/src/bootstrap/defaults/config.codegen.toml +++ b/src/bootstrap/defaults/config.codegen.toml @@ -10,7 +10,7 @@ assertions = true # enable warnings during the llvm compilation enable-warnings = true # build llvm from source -download-ci-llvm = false +download-ci-llvm = "if-unchanged" [rust] # This enables `RUSTC_LOG=debug`, avoiding confusing situations diff --git a/src/bootstrap/download-ci-llvm-stamp b/src/bootstrap/download-ci-llvm-stamp index ffc38057900..9998fe2f5db 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/113996 +Last change is for: https://github.com/rust-lang/rust/pull/116881 diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 6e80c55c8ce..950845b736f 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -2219,23 +2219,19 @@ impl Step for RustDev { builder.ensure(crate::core::build_steps::llvm::Lld { target }); let src_bindir = builder.llvm_out(target).join("bin"); - // If updating this list, you likely want to change + // If updating this, you likely want to change // src/bootstrap/download-ci-llvm-stamp as well, otherwise local users // will not pick up the extra file until LLVM gets bumped. - for bin in &[ - "llvm-config", - "llvm-ar", - "llvm-objdump", - "llvm-profdata", - "llvm-bcanalyzer", - "llvm-cov", - "llvm-dwp", - "llvm-nm", - "llvm-dwarfdump", - "llvm-dis", - "llvm-tblgen", - ] { - tarball.add_file(src_bindir.join(exe(bin, target)), "bin", 0o755); + // We should include all the build artifacts obtained from a source build, + // so that you can use the downloadable LLVM as if you’ve just run a full source build. + if src_bindir.exists() { + for entry in walkdir::WalkDir::new(&src_bindir) { + let entry = t!(entry); + if entry.file_type().is_file() && !entry.path_is_symlink() { + let name = entry.file_name().to_str().unwrap(); + tarball.add_file(src_bindir.join(name), "bin", 0o755); + } + } } // We don't build LLD on some platforms, so only add it if it exists diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index f2a185f70fe..e3fd942fc38 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -887,7 +887,7 @@ tool_doc!( "src/tools/rustfmt", crates = ["rustfmt-nightly", "rustfmt-config_proc_macro"] ); -tool_doc!(Clippy, "clippy", "src/tools/clippy", crates = ["clippy_utils"]); +tool_doc!(Clippy, "clippy", "src/tools/clippy", crates = ["clippy_config", "clippy_utils"]); tool_doc!(Miri, "miri", "src/tools/miri", crates = ["miri"]); tool_doc!( Cargo, diff --git a/src/bootstrap/src/core/build_steps/setup.rs b/src/bootstrap/src/core/build_steps/setup.rs index b4540641bfa..04a16443770 100644 --- a/src/bootstrap/src/core/build_steps/setup.rs +++ b/src/bootstrap/src/core/build_steps/setup.rs @@ -147,6 +147,15 @@ impl Step for Profile { } fn run(self, builder: &Builder<'_>) { + // During ./x.py setup once you select the codegen profile. + // The submodule will be downloaded. It does not work in the + // tarball case since they don't include Git and submodules + // are already included. + if !builder.rust_info().is_from_tarball() { + if self == Profile::Codegen { + builder.update_submodule(&Path::new("src/llvm-project")); + } + } setup(&builder.build.config, self) } } diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index a871399453e..2eb5d06bcb3 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -19,6 +19,7 @@ use std::process::Command; use std::str::FromStr; use crate::core::build_steps::compile::CODEGEN_BACKEND_PREFIX; +use crate::core::build_steps::llvm; use crate::core::config::flags::{Color, Flags, Warnings}; use crate::utils::cache::{Interned, INTERNER}; use crate::utils::channel::{self, GitInfo}; @@ -1530,17 +1531,7 @@ impl Config { config.llvm_build_config = llvm.build_config.clone().unwrap_or(Default::default()); let asserts = llvm_assertions.unwrap_or(false); - config.llvm_from_ci = match llvm.download_ci_llvm { - Some(StringOrBool::String(s)) => { - assert_eq!(s, "if-available", "unknown option `{s}` for download-ci-llvm"); - crate::core::build_steps::llvm::is_ci_llvm_available(&config, asserts) - } - Some(StringOrBool::Bool(b)) => b, - None => { - config.channel == "dev" - && crate::core::build_steps::llvm::is_ci_llvm_available(&config, asserts) - } - }; + config.llvm_from_ci = config.parse_download_ci_llvm(llvm.download_ci_llvm, asserts); if config.llvm_from_ci { // None of the LLVM options, except assertions, are supported @@ -2104,6 +2095,94 @@ impl Config { Some(commit.to_string()) } + + fn parse_download_ci_llvm( + &self, + download_ci_llvm: Option<StringOrBool>, + asserts: bool, + ) -> bool { + match download_ci_llvm { + None => self.channel == "dev" && llvm::is_ci_llvm_available(&self, asserts), + Some(StringOrBool::Bool(b)) => b, + Some(StringOrBool::String(s)) if s == "if-available" => { + llvm::is_ci_llvm_available(&self, asserts) + } + Some(StringOrBool::String(s)) if s == "if-unchanged" => { + // Git is needed to track modifications here, but tarball source is not available. + // If not modified here or built through tarball source, we maintain consistency + // with '"if available"'. + if !self.rust_info.is_from_tarball() + && self + .last_modified_commit(&["src/llvm-project"], "download-ci-llvm", true) + .is_none() + { + // there are some untracked changes in the the given paths. + false + } else { + llvm::is_ci_llvm_available(&self, asserts) + } + } + Some(StringOrBool::String(other)) => { + panic!("unrecognized option for download-ci-llvm: {:?}", other) + } + } + } + + /// Returns the last commit in which any of `modified_paths` were changed, + /// or `None` if there are untracked changes in the working directory and `if_unchanged` is true. + pub fn last_modified_commit( + &self, + modified_paths: &[&str], + option_name: &str, + if_unchanged: bool, + ) -> Option<String> { + // Handle running from a directory other than the top level + let top_level = output(self.git().args(&["rev-parse", "--show-toplevel"])); + let top_level = top_level.trim_end(); + + // Look for a version to compare to based on the current commit. + // Only commits merged by bors will have CI artifacts. + let merge_base = output( + self.git() + .arg("rev-list") + .arg(format!("--author={}", self.stage0_metadata.config.git_merge_commit_email)) + .args(&["-n1", "--first-parent", "HEAD"]), + ); + let commit = merge_base.trim_end(); + if commit.is_empty() { + println!("error: could not find commit hash for downloading components from CI"); + println!("help: maybe your repository history is too shallow?"); + println!("help: consider disabling `{option_name}`"); + println!("help: or fetch enough history to include one upstream commit"); + crate::exit!(1); + } + + // Warn if there were changes to the compiler or standard library since the ancestor commit. + let mut git = self.git(); + git.args(&["diff-index", "--quiet", &commit, "--"]); + + for path in modified_paths { + git.arg(format!("{top_level}/{path}")); + } + + let has_changes = !t!(git.status()).success(); + if has_changes { + if if_unchanged { + if self.verbose > 0 { + println!( + "warning: saw changes to one of {modified_paths:?} since {commit}; \ + ignoring `{option_name}`" + ); + } + return None; + } + println!( + "warning: `{option_name}` is enabled, but there are changes to one of {modified_paths:?}" + ); + } + + Some(commit.to_string()) + } } fn set<T>(field: &mut T, val: Option<T>) { diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 27922c9fbbe..fc3413a3c81 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -77,7 +77,7 @@ const LLD_FILE_NAMES: &[&str] = &["ld.lld", "ld64.lld", "lld-link", "wasm-ld"]; /// /// If you make any major changes (such as adding new values or changing default values), please /// ensure that the associated PR ID is added to the end of this list. -pub const CONFIG_CHANGE_HISTORY: &[usize] = &[115898, 116998, 117435]; +pub const CONFIG_CHANGE_HISTORY: &[usize] = &[115898, 116998, 117435, 116881]; /// Extra --check-cfg to add when building /// (Mode restriction, config name, config values (if any)) diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index 8b4d673d831..1b27b77b3e6 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -41,6 +41,7 @@ - [mipsel-sony-psx](platform-support/mipsel-sony-psx.md) - [mipsisa\*r6\*-unknown-linux-gnu\*](platform-support/mips-release-6.md) - [nvptx64-nvidia-cuda](platform-support/nvptx64-nvidia-cuda.md) + - [powerpc64-ibm-aix](platform-support/aix.md) - [riscv32imac-unknown-xous-elf](platform-support/riscv32imac-unknown-xous-elf.md) - [sparc-unknown-none-elf](./platform-support/sparc-unknown-none-elf.md) - [*-pc-windows-gnullvm](platform-support/pc-windows-gnullvm.md) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 6a979869a59..907e9c59f31 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -310,7 +310,7 @@ target | std | host | notes `powerpc64-wrs-vxworks` | ? | | `powerpc64le-unknown-linux-musl` | ? | | [`powerpc64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | OpenBSD/powerpc64 -`powerpc64-ibm-aix` | ? | | 64-bit AIX (7.2 and newer) +[`powerpc64-ibm-aix`](platform-support/aix.md) | ? | | 64-bit AIX (7.2 and newer) `riscv32gc-unknown-linux-gnu` | | | RISC-V Linux (kernel 5.4, glibc 2.33) `riscv32gc-unknown-linux-musl` | | | RISC-V Linux (kernel 5.4, musl + RISCV32 support patches) `riscv32im-unknown-none-elf` | * | | Bare RISC-V (RV32IM ISA) diff --git a/src/doc/rustc/src/platform-support/aix.md b/src/doc/rustc/src/platform-support/aix.md new file mode 100644 index 00000000000..c3ce71a1835 --- /dev/null +++ b/src/doc/rustc/src/platform-support/aix.md @@ -0,0 +1,26 @@ +# `powerpc64-ibm-aix` + +**Tier: 3** + +Rust for AIX operating system, currently only 64-bit PowerPC is supported. + +## Target maintainers + +- QIU Chaofan `qiucofan@cn.ibm.com`, https://github.com/ecnelises +- Kai LUO, `lkail@cn.ibm.com`, https://github.com/bzEq + +## Requirements + +This target supports host tools, std and alloc. This target cannot be cross-compiled as for now, mainly because of the unavailability of system linker on other platforms. + +Binary built for this target is expected to run on Power7 or newer CPU, and AIX 7.2 or newer version. + +Binary format of this platform is [XCOFF](https://www.ibm.com/docs/en/aix/7.2?topic=formats-xcoff-object-file-format). Archive file format is ['AIX big format'](https://www.ibm.com/docs/en/aix/7.2?topic=formats-ar-file-format-big). + +## Testing + +This target supports running test suites natively, but it's not available to cross-compile and execute in emulator. + +## Interoperability with C code + +This target supports C code. C code compiled by XL, Open XL and Clang are compatible with Rust. Typical triple of AIX on 64-bit PowerPC of these compilers are also `powerpc64-ibm-aix`. diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index e6e2d60f2e5..1b7ca7bf7dd 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -2534,7 +2534,8 @@ fn clean_generic_args<'tcx>( } hir::GenericArg::Lifetime(_) => GenericArg::Lifetime(Lifetime::elided()), hir::GenericArg::Type(ty) => GenericArg::Type(clean_ty(ty, cx)), - // FIXME(effects): This will still emit `<true>` for non-const impls of const traits + // Checking for `#[rustc_host]` on the `AnonConst` not only accounts for the case + // where the argument is `host` but for all possible cases (e.g., `true`, `false`). hir::GenericArg::Const(ct) if cx.tcx.has_attr(ct.value.def_id, sym::rustc_host) => { diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index ca1b782492c..9ff00c1946f 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -124,11 +124,7 @@ pub(crate) fn ty_args_to_args<'tcx>( ))) } GenericArgKind::Const(ct) => { - // FIXME(effects): this relies on the host effect being called `host`, which users could also name - // their const generics. - // FIXME(effects): this causes `host = true` and `host = false` generics to also be emitted. - if let ty::ConstKind::Param(p) = ct.kind() - && p.name == sym::host + if let ty::GenericParamDefKind::Const { is_host_effect: true, .. } = params[index].kind { return None; } diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 65e297d1ec0dee1a74800efe600b8dc163bcf5d +Subproject 7046d992f9f32ba209a8079f662ebccf9da8de2 diff --git a/src/tools/rust-installer/Cargo.toml b/src/tools/rust-installer/Cargo.toml index 471f2b5ac73..cdd867c5f15 100644 --- a/src/tools/rust-installer/Cargo.toml +++ b/src/tools/rust-installer/Cargo.toml @@ -16,7 +16,6 @@ rayon = "1.0" tar = "0.4.38" walkdir = "2" xz2 = "0.1.4" -num_cpus = "1" [dependencies.clap] features = ["derive"] diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index b10cccc79f6..7ad75f089f3 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -228,7 +228,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "ena", "equivalent", "errno", - "errno-dragonfly", "expect-test", "fallible-iterator", // dependency of `thorin` "fastrand", diff --git a/tests/codegen/cross-crate-inlining/always-inline.rs b/tests/codegen/cross-crate-inlining/always-inline.rs new file mode 100644 index 00000000000..f3f08bf116a --- /dev/null +++ b/tests/codegen/cross-crate-inlining/always-inline.rs @@ -0,0 +1,13 @@ +// compile-flags: -O +// aux-build:always.rs + +#![crate_type = "lib"] + +extern crate always; + +// Check that we inline a cross-crate call, even though it isn't a leaf +#[no_mangle] +pub fn outer() -> String { + // CHECK-NOT: call {{.*}}stem_fn + always::stem_fn() +} diff --git a/tests/codegen/cross-crate-inlining/auxiliary/always.rs b/tests/codegen/cross-crate-inlining/auxiliary/always.rs new file mode 100644 index 00000000000..3670307ec81 --- /dev/null +++ b/tests/codegen/cross-crate-inlining/auxiliary/always.rs @@ -0,0 +1,20 @@ +// compile-flags: -O -Zcross-crate-inline-threshold=always + +#![crate_type = "lib"] + +// This function *looks* like it contains a call, but that call will be optimized out by MIR +// optimizations. +pub fn leaf_fn() -> String { + String::new() +} + +// This function contains a call, even after MIR optimizations. It is only eligible for +// cross-crate-inlining with "always". +pub fn stem_fn() -> String { + inner() +} + +#[inline(never)] +fn inner() -> String { + String::from("test") +} diff --git a/tests/codegen/cross-crate-inlining/auxiliary/leaf.rs b/tests/codegen/cross-crate-inlining/auxiliary/leaf.rs new file mode 100644 index 00000000000..963f087f22d --- /dev/null +++ b/tests/codegen/cross-crate-inlining/auxiliary/leaf.rs @@ -0,0 +1,20 @@ +// compile-flags: -O + +#![crate_type = "lib"] + +// This function *looks* like it contains a call, but that call will be optimized out by MIR +// optimizations. +pub fn leaf_fn() -> String { + String::new() +} + +// This function contains a call, even after MIR optimizations. It is only eligible for +// cross-crate-inlining with "always". +pub fn stem_fn() -> String { + inner() +} + +#[inline(never)] +fn inner() -> String { + String::from("test") +} diff --git a/tests/codegen/cross-crate-inlining/auxiliary/never.rs b/tests/codegen/cross-crate-inlining/auxiliary/never.rs new file mode 100644 index 00000000000..e222a6dea38 --- /dev/null +++ b/tests/codegen/cross-crate-inlining/auxiliary/never.rs @@ -0,0 +1,20 @@ +// compile-flags: -O -Zcross-crate-inline-threshold=never + +#![crate_type = "lib"] + +// This function *looks* like it contains a call, but that call will be optimized out by MIR +// optimizations. +pub fn leaf_fn() -> String { + String::new() +} + +// This function contains a call, even after MIR optimizations. It is only eligible for +// cross-crate-inlining with "always". +pub fn stem_fn() -> String { + inner() +} + +#[inline(never)] +fn inner() -> String { + String::from("test") +} diff --git a/tests/codegen/cross-crate-inlining/leaf-inlining.rs b/tests/codegen/cross-crate-inlining/leaf-inlining.rs new file mode 100644 index 00000000000..73b1a520b06 --- /dev/null +++ b/tests/codegen/cross-crate-inlining/leaf-inlining.rs @@ -0,0 +1,20 @@ +// compile-flags: -O -Zcross-crate-inline-threshold=yes +// aux-build:leaf.rs + +#![crate_type = "lib"] + +extern crate leaf; + +// Check that we inline a leaf cross-crate call +#[no_mangle] +pub fn leaf_outer() -> String { + // CHECK-NOT: call {{.*}}leaf_fn + leaf::leaf_fn() +} + +// Check that we do not inline a non-leaf cross-crate call +#[no_mangle] +pub fn stem_outer() -> String { + // CHECK: call {{.*}}stem_fn + leaf::stem_fn() +} diff --git a/tests/codegen/cross-crate-inlining/never-inline.rs b/tests/codegen/cross-crate-inlining/never-inline.rs new file mode 100644 index 00000000000..4e7bc3e5154 --- /dev/null +++ b/tests/codegen/cross-crate-inlining/never-inline.rs @@ -0,0 +1,13 @@ +// compile-flags: -O +// aux-build:never.rs + +#![crate_type = "lib"] + +extern crate never; + +// Check that we do not inline a cross-crate call, even though it is a leaf +#[no_mangle] +pub fn outer() -> String { + // CHECK: call {{.*}}leaf_fn + never::leaf_fn() +} diff --git a/tests/rustdoc/const-effect-param.rs b/tests/rustdoc/const-effect-param.rs index f50a9b96d81..b6379c05a85 100644 --- a/tests/rustdoc/const-effect-param.rs +++ b/tests/rustdoc/const-effect-param.rs @@ -1,3 +1,5 @@ +// Check that we don't render host effect parameters & arguments. + #![crate_name = "foo"] #![feature(effects, const_trait_impl)] diff --git a/tests/rustdoc/inline_cross/auxiliary/const-effect-param.rs b/tests/rustdoc/inline_cross/auxiliary/const-effect-param.rs new file mode 100644 index 00000000000..b0c21ffaeb9 --- /dev/null +++ b/tests/rustdoc/inline_cross/auxiliary/const-effect-param.rs @@ -0,0 +1,16 @@ +#![feature(effects, const_trait_impl)] + +#[const_trait] +pub trait Resource {} + +pub const fn load<R: ~const Resource>() -> i32 { + 0 +} + +pub const fn lock<R: Resource>() {} + +#[allow(non_upper_case_globals)] +pub trait Clash<const host: u64> {} + +#[allow(non_upper_case_globals)] +pub const fn clash<T: Clash<host>, const host: u64>() {} diff --git a/tests/rustdoc/inline_cross/auxiliary/const-fn.rs b/tests/rustdoc/inline_cross/auxiliary/const-fn.rs deleted file mode 100644 index 26332b419b6..00000000000 --- a/tests/rustdoc/inline_cross/auxiliary/const-fn.rs +++ /dev/null @@ -1,5 +0,0 @@ -#![feature(effects)] - -pub const fn load() -> i32 { - 0 -} diff --git a/tests/rustdoc/inline_cross/const-effect-param.rs b/tests/rustdoc/inline_cross/const-effect-param.rs new file mode 100644 index 00000000000..1d003e28f36 --- /dev/null +++ b/tests/rustdoc/inline_cross/const-effect-param.rs @@ -0,0 +1,29 @@ +// Regression test for issue #116629. +// Check that we don't render host effect parameters & arguments. + +// aux-crate:const_effect_param=const-effect-param.rs +// edition: 2021 +#![crate_name = "user"] + +// Don't render the host param on `load` and the host arg `host` passed to `Resource`. +// @has user/fn.load.html +// @has - '//pre[@class="rust item-decl"]' "pub const fn load<R>() -> i32\ +// where \ +// R: Resource" +pub use const_effect_param::load; + +// Don't render the host arg `true` passed to `Resource`. +// @has user/fn.lock.html +// @has - '//pre[@class="rust item-decl"]' "pub const fn lock<R>()\ +// where \ +// R: Resource" +pub use const_effect_param::lock; + +// Regression test for an issue introduced in PR #116670. +// Don't hide the const param `host` since it actually isn't the host effect param. +// @has user/fn.clash.html +// @has - '//pre[@class="rust item-decl"]' \ +// "pub const fn clash<T, const host: u64>()\ +// where \ +// T: Clash<host>" +pub use const_effect_param::clash; diff --git a/tests/rustdoc/inline_cross/const-fn.rs b/tests/rustdoc/inline_cross/const-fn.rs deleted file mode 100644 index 24934b873c2..00000000000 --- a/tests/rustdoc/inline_cross/const-fn.rs +++ /dev/null @@ -1,10 +0,0 @@ -// Regression test for issue #116629. -// Check that we render the correct generic params of const fn - -// aux-crate:const_fn=const-fn.rs -// edition: 2021 -#![crate_name = "user"] - -// @has user/fn.load.html -// @has - '//pre[@class="rust item-decl"]' "pub const fn load() -> i32" -pub use const_fn::load; diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs index f1bbd4a6210..70ca00285c4 100644 --- a/tests/ui/macros/stringify.rs +++ b/tests/ui/macros/stringify.rs @@ -115,6 +115,7 @@ fn test_expr() { "a + b * c - d + -1 * -2 - -3", "a + b * c - d + - 1 * - 2 - - 3" ); + c2!(expr, [ x = !y ], "x = !y", "x =! y"); // FIXME // ExprKind::Unary c2!(expr, [ *expr ], "*expr", "* expr"); @@ -137,6 +138,7 @@ fn test_expr() { // ExprKind::If c1!(expr, [ if true {} ], "if true {}"); + c2!(expr, [ if !true {} ], "if !true {}", "if! true {}"); // FIXME c2!(expr, [ if ::std::blah() { } else { } ], "if ::std::blah() {} else {}", @@ -799,3 +801,32 @@ fn test_vis() { assert_eq!(inherited_vis!(struct), ""); assert_eq!(stringify!(), ""); } + +macro_rules! p { + ([$($tt:tt)*], $s:literal) => { + assert_eq!(stringify!($($tt)*), $s); + }; +} + +#[test] +fn test_punct() { + // For all these cases, we must preserve spaces between the tokens. + // Otherwise, any old proc macro that parses pretty-printed code might glue + // together tokens that shouldn't be glued. + p!([ = = < < <= <= == == != != >= >= > > ], "= = < < <= <= == == != != >= >= > >"); + p!([ && && & & || || | | ! ! ], "&& && & & || || | |!!"); // FIXME + p!([ ~ ~ @ @ # # ], "~ ~ @ @ # #"); + p!([ . . .. .. ... ... ..= ..=], ".... .. ... ... ..= ..="); // FIXME + p!([ , , ; ; : : :: :: ], ",, ; ; : : :: ::"); // FIXME + p!([ -> -> <- <- => =>], "-> -> <- <- => =>"); + p!([ $ $ ? ? ' ' ], "$$? ? ' '"); // FIXME + p!([ + + += += - - -= -= * * *= *= / / /= /= ], "+ + += += - - -= -= * * *= *= / / /= /="); + p!([ % % %= %= ^ ^ ^= ^= << << <<= <<= >> >> >>= >>= ], + "% % %= %= ^ ^ ^= ^= << << <<= <<= >> >> >>= >>="); + + // For these one we must insert spaces between adjacent tokens, again due + // to proc macros. + p!([ +! ?= |> >>@ --> <-- $$ =====> ], "+! ? = | > >> @ - -> <- - $$== == =>"); // FIXME + p!([ ,; ;, ** @@ $+$ >< <> ?? +== ], ", ; ;, * * @ @ $+ $> < < > ? ? += ="); // FIXME + p!([ :#!@|$=&*,+;*~? ], ": #! @ | $= & *, + ; * ~ ?"); // FIXME +} |