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2023-11-27Auto merge of #117947 - Dirbaio:drop-llvm-15, r=cuviperbors-27/+0
Update the minimum external LLVM to 16. With this change, we'll have stable support for LLVM 16 and 17. For reference, the previous increase to LLVM 15 was #114148 [Relevant zulip discussion](https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/riscv.20forced-atomics)
2023-11-23remove unused pub fnklensy-26/+0
2023-11-21Update the minimum external LLVM to 16.Dario Nieuwenhuis-27/+0
2023-11-21Tighten up linkage settings for LLVM bindingsBen Kimock-3/+3
2023-10-06fix to register analysis pass from llvm pluginEmanuele Vannacci-14/+14
2023-09-25Pass name of object file to LLVM so it can correctly emit S_OBJNAMEFlorian Schmiderer-0/+4
2023-09-15llvm-wrapper: adapt for LLVM API changesKrasimir Georgiev-5/+19
No functional changes intended. Adapts the wrapper for https://github.com/llvm/llvm-project/commit/0a1aa6cda2758b0926a95f87d39ffefb1cb90200. Found by our experimental rust + llvm @ head CI: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/22301#018a9926-a810-4e56-8ac2-e6f30b78f433/253-551
2023-09-09Rollup merge of #115358 - durin42:compress-debuginfo, r=oli-obkMatthias Krüger-0/+11
debuginfo: add compiler option to allow compressed debuginfo sections LLVM already supports emitting compressed debuginfo. In debuginfo=full builds, the debug section is often a large amount of data, and it typically compresses very well (3x is not unreasonable.) We add a new knob to allow debuginfo to be compressed when the matching LLVM functionality is present. Like clang, if a known-but-disabled compression mechanism is requested, we disable compression and emit uncompressed debuginfo sections. The API is different enough on older LLVMs we just pretend the support is missing on LLVM older than 16.
2023-09-08Auto merge of #115641 - durin42:llvm-18-fatlto-take-2, r=nikicbors-0/+33
lto: load bitcode sections by name Upstream change llvm/llvm-project@6b539f5eb8ef1d3a3c87873caa2dbd5147e1adbd changed `isSectionBitcode` works and it now only respects `.llvm.lto` sections instead of also `.llvmbc`, which it says was never intended to be used for LTO. We instead load sections by name, and sniff for raw bitcode by hand. This is an alternative approach to #115136, where we tried the same thing using the `object` crate, but it got too fraught to continue. r? `@nikic` `@rustbot` label: +llvm-main
2023-09-08debuginfo: add compiler option to allow compressed debuginfo sectionsAugie Fackler-0/+11
LLVM already supports emitting compressed debuginfo. In debuginfo=full builds, the debug section is often a large amount of data, and it typically compresses very well (3x is not unreasonable.) We add a new knob to allow debuginfo to be compressed when the matching LLVM functionality is present. Like clang, if a known-but-disabled compression mechanism is requested, we disable compression and emit uncompressed debuginfo sections. The API is different enough on older LLVMs we just pretend the support is missing on LLVM older than 16.
2023-09-08lto: load bitcode sections by nameAugie Fackler-0/+33
Upstream change llvm/llvm-project@6b539f5eb8ef1d3a3c87873caa2dbd5147e1adbd changed `isSectionBitcode` works and it now only respects `.llvm.lto` sections instead of also `.llvmbc`, which it says was never intended to be used for LTO. We instead load sections by name, and sniff for raw bitcode by hand. r? @nikic @rustbot label: +llvm-main
2023-09-08Rollup merge of #115638 - ldm0:ldm/llvm-args-fix, r=nikicGuillaume Gomez-1/+4
`-Cllvm-args` usability improvement fixes: #26338 fixes: #115564 Two problems were found during playing with `-Cllvm-args` 1. When `llvm.link-shared` is set to `false` in `config.toml`, output of `rustc -C llvm-args='--help-list-hidden'` doesn't contain `--emit-dwarf-unwind` and `--emulated-tls`. When it is set to `true`, `rustc -C llvm-args='--help-list-hidden'` emits `--emit-dwarf-unwind`, but `--emulated-tls` is still missing. 2. Setting `-Cllvm-args=--emit-dwarf-unwind=always` doesn't take any effect, but `-Cllvm-args=-machine-outliner-reruns=3` does work. ### 1 Adding `RegisterCodeGenFlags` to register codegen flags fixed the first problem. `rustc -C llvm-args='--help-list-hidden'` emits full codegen flags including `--emit-dwarf-unwind` and `--emulated-tls`. ### 2 Constructing `TargetOptions` from `InitTargetOptionsFromCodeGenFlags` in `LLVMRustCreateTargetMachine` fixed the second problem. The `LLVMRustSetLLVMOptions` calls `ParseCommandLineOptions` which parses given `llvm-args`. For options like `machine-outliner-reruns`, it just works, since the codegen logic directly consumes the parsing result: [machine-outliner-reruns register](https://github.com/rust-lang/llvm-project/blob/0537f6354cffe546cbf47f6dc9c7f82e49e86cfb/llvm/lib/CodeGen/MachineOutliner.cpp#L114) [machine-outliner-reruns consumption](https://github.com/rust-lang/llvm-project/blob/0537f6354cffe546cbf47f6dc9c7f82e49e86cfb/llvm/lib/CodeGen/MachineOutliner.cpp#L1138) But for flags defined in `TargetOptions` and `MCTargetOptions` to take effect, constructing them with `InitTargetOptionsFromCodeGenFlags` is essential, or the parsing result is just not consumed. Similar patterns can be observed in [lli](https://github.com/rust-lang/llvm-project/blob/0537f6354cffe546cbf47f6dc9c7f82e49e86cfb/llvm/tools/llc/llc.cpp#L494), [llc](https://github.com/rust-lang/llvm-project/blob/0537f6354cffe546cbf47f6dc9c7f82e49e86cfb/llvm/tools/lli/lli.cpp#L517), etc.
2023-09-08Auto merge of #113492 - nebulark:pr_96475, r=petrochenkovbors-1/+38
Add CL and CMD into to pdb debug info Partial fix for https://github.com/rust-lang/rust/issues/96475 The Arg0 and CommandLineArgs of the MCTargetOptions cpp class are not set within https://github.com/rust-lang/rust/blob/bb548f964572f7fe652716f5897d9050a31c936e/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp#L378 This causes LLVM to not neither output any compiler path (cl) nor the arguments that were used when invoking it (cmd) in the PDB file. This fix adds the missing information to the target machine so LLVM can use it.
2023-09-08Add missing Debuginfo to PDB debug file on windows.Florian Schmiderer-1/+38
Set Arg0 and CommandLineArgs in MCTargetoptions so LLVM outputs correct CL and CMD in LF_DEBUGINFO instead of empty/invalid values.
2023-09-07lto: load bitcode sections by nameAugie Fackler-0/+33
Upstream change llvm/llvm-project@6b539f5eb8ef1d3a3c87873caa2dbd5147e1adbd changed `isSectionBitcode` works and it now only respects `.llvm.lto` sections instead of also `.llvmbc`, which it says was never intended to be used for LTO. We instead load sections by name, and sniff for raw bitcode by hand. r? @nikic @rustbot label: +llvm-main
2023-09-07Using parsed codegen flagsLiu Dingming-1/+1
2023-09-07Add `RegisterCodeGenFlags` to get full codegen flags listLiu Dingming-0/+3
2023-09-06Auto merge of #114946 - anforowicz:generic-fix-for-asan-lto, r=tmiaskobors-0/+7
Preserve ASAN-related symbols during LTO. Fixes https://github.com/rust-lang/rust/issues/113404
2023-09-05llvm-wrapper: adapt for LLVM API changeKrasimir Georgiev-0/+4
No functional changes intended. Adapts the wrapper for https://github.com/llvm/llvm-project/commit/bbe8cd13335300958b04db5318c31ff52714f96f. Found by our experimental rust + llvm @ HEAD CI: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/22055#018a6495-8dd9-41df-9381-5e7b0009ce0a/274-575
2023-08-29Preserve `___asan_globals_registered` symbol during LTO.Lukasz Anforowicz-0/+7
Fixes https://github.com/rust-lang/rust/issues/113404
2023-08-21Move a local to the `#if` block where it is usedJosh Stone-1/+1
For other cases (LLVM < 17), this was complaining under `-Wall`: ``` warning: llvm-wrapper/PassWrapper.cpp: In function ‘void LLVMRustPrintTargetCPUs(LLVMTargetMachineRef, const char*)’: warning: llvm-wrapper/PassWrapper.cpp:311:26: warning: unused variable ‘MCInfo’ [-Wunused-variable] warning: 311 | const MCSubtargetInfo *MCInfo = Target->getMCSubtargetInfo(); warning: | ^~~~~~ ```
2023-08-14add a csky-unknown-linux-gnuabiv2 targetDirreke-0/+7
2023-08-08Rollup merge of #114612 - lqd:east-17-warning, r=nikicMatthias Krüger-1/+0
update llvm-wrapper include to silence deprecation warning Includes of `include/llvm/Support/Host.h` now emit a deprecated warning: `warning: This header is deprecated, please use llvm/TargetParser/Host.h`. I don't believe we are using this include. I don't believe we need to bump the `download-ci-llvm` stamp since these warnings are emitted while building the `llvm-wrapper`. r? ```@nikic```
2023-08-08Rollup merge of #113593 - rcvalle:rust-cfi-fix-90546, r=wesleywiserMatthias Krüger-0/+16
CFI: Fix error compiling core with LLVM CFI enabled Fix #90546 by filtering out global value function pointer types from the type tests, and adding the LowerTypeTests pass to the rustc LTO optimization pipelines.
2023-08-08remove llvm-wrapper include to silence deprecation warningRémy Rakic-1/+0
Includes of `include/llvm/Support/Host.h` now emit a deprecated warning: `warning: This header is deprecated, please use llvm/TargetParser/Host.h`.
2023-08-07CFI: Fix error compiling core with LLVM CFI enabledRamon de C Valle-0/+16
Fix #90546 by filtering out global value function pointer types from the type tests, and adding the LowerTypeTests pass to the rustc LTO optimization pipelines.
2023-08-07Fix LLVM version check for ThinLTO import/export listsNikita Popov-1/+1
These types changed in LLVM 18, not LLVM 17.
2023-08-07Remove no longer needed LLVM_RUSTLLVM checkNikita Popov-2/+0
The bundled version now uses the LLVM 17 code path.
2023-08-05llvm-wrapper: adapt for LLVM API changesKrasimir Georgiev-0/+6
No functional changes intended. Adapts llvm-wrapper for https://github.com/llvm/llvm-project/commit/65e57bbed06d55cab7bb64d54891d33ccb2d4159. Found by our experimental rust + llvm @ HEAD CI: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/21304#0189c526-86cd-4db9-bdbc-dd0132dfc22b/197-500
2023-07-27Update the minimum external LLVM to 15Josh Stone-3/+0
2023-07-21Support `.comment` section like GCC/Clang (`!llvm.ident`)Miguel Ojeda-0/+5
Both GCC and Clang write by default a `.comment` section with compiler information: ```txt $ gcc -c -xc /dev/null && readelf -p '.comment' null.o String dump of section '.comment': [ 1] GCC: (GNU) 11.2.0 $ clang -c -xc /dev/null && readelf -p '.comment' null.o String dump of section '.comment': [ 1] clang version 14.0.1 (https://github.com/llvm/llvm-project.git c62053979489ccb002efe411c3af059addcb5d7d) ``` They also implement the `-Qn` flag to avoid doing so: ```txt $ gcc -Qn -c -xc /dev/null && readelf -p '.comment' null.o readelf: Warning: Section '.comment' was not dumped because it does not exist! $ clang -Qn -c -xc /dev/null && readelf -p '.comment' null.o readelf: Warning: Section '.comment' was not dumped because it does not exist! ``` So far, `rustc` only does it for WebAssembly targets and only when debug info is enabled: ```txt $ echo 'fn main(){}' | rustc --target=wasm32-unknown-unknown --emit=llvm-ir -Cdebuginfo=2 - && grep llvm.ident rust_out.ll !llvm.ident = !{!27} ``` In the RFC part of this PR it was decided to always add the information, which gets us closer to other popular compilers. An opt-out flag like GCC and Clang may be added later on if deemed necessary. Implementation-wise, this covers both `ModuleLlvm::new()` and `ModuleLlvm::new_metadata()` cases by moving the addition to `context::create_module` and adds a few test cases. ThinLTO also sees the `llvm.ident` named metadata duplicated (in temporary outputs), so this deduplicates it like it is done for `wasm.custom_sections`. The tests also check this duplication does not take place. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2023-07-20Implement printing to file in PassWrapperDavid Tolnay-10/+22
2023-07-12llvm-wrapper: adapt for LLVM API changeKrasimir Georgiev-0/+4
Adapts the wrapper for LLVM commit https://github.com/llvm/llvm-project/commit/546ec641b4b1bbbf9e66a53983b635fe85d365e6. Found by the experimental rust + LLVM @ HEAD bot: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/20723#01894922-ed5d-4830-81f6-a27fb82ec8c7/210-645
2023-05-18Auto merge of #111364 - cuviper:unhack-thinlto, r=nikicbors-57/+0
Remove the ThinLTO CU hack This reverts #46722, commit e0ab5d5feb4eb2d8af11b8dd9446c2b45fada8af. Since #111167, commit 10b69dde3fd15334ea2382d2dc9e9a261de1afaf, we are generating DWARF subprograms in a way that is meant to be more compatible with LLVM's expectations, so hopefully we don't need this workaround rewriting CUs anymore.
2023-05-12Usage of atomic counters for llvm code coverageEvgeniy A. Dushistov-0/+3
2023-05-08Remove the ThinLTO CU hackJosh Stone-57/+0
This reverts #46722, commit e0ab5d5feb4eb2d8af11b8dd9446c2b45fada8af. Since #111167, commit 10b69dde3fd15334ea2382d2dc9e9a261de1afaf, we are generating DWARF subprograms in a way that is meant to be more compatible with LLVM's expectations, so hopefully we don't need this workaround rewriting CUs anymore.
2023-05-05Expand the LLVM coverage of `--print target-cpus`Josh Stone-14/+16
We've been relying on a custom patch to add `MCSubtargetInfo::getCPUTable` for `rustc --print target-cpus`, and just printing that it's not supported on external LLVM builds. LLVM `main` now has `getAllProcessorDescriptions` that can replace ours, so now we try to use that. In addition, the fallback path can at least print the native and default cpu options. There were also some mismatches in the function signatures here between `LLVM_RUSTLLVM` and otherwise; this is now mitigated by sharing these functions and only using cpp to adjust the function bodies.
2023-05-04change expect() to unwrap_or_else() and update msgJames Dietz-2/+6
2023-05-04moved default CPU message inlineJames Dietz-9/+7
2023-05-04`--print target-cpus` shows default target cpu, updated docsJames Dietz-2/+9
2023-04-24[LLVM17] Adapt to `ExplicitEmulatedTLS` removal.Tim Neumann-0/+5
2023-04-23Rollup merge of #110668 - ehuss:fix-native-cpu-list, r=cuviperMatthias Krüger-1/+3
Fix printing native CPU on cross-compiled compiler. If `rustc` is cross-compiled from a different host, then the "native" entry in `rustc --print=target-cpus` would not appear. There is a check in the printing code that will avoid printing the "native" entry if the user has passed `--target`. However, that check was comparing the `--target` value with the `LLVM_TARGET_TRIPLE` which is the triple of the host that `rustc` was built on (the "build" target in Rust lingo), not the target it was being built for (the "host" in Rust lingo). This fixes it to use the target that LLVM was built for (which I'm pretty sure this is the correct function to determine that). This fixes the cpu listing for aarch64-apple-darwin which is built on CI using the x86_64-apple-darwin host.
2023-04-23Fix printing native CPU on cross-compiled compiler.Eric Huss-1/+3
2023-04-20Remove deprecated LLVM any_isaQiu Chaofan-8/+8
2023-04-17Spelling - compilerJosh Soref-1/+1
* account * achieved * advising * always * ambiguous * analysis * annotations * appropriate * build * candidates * cascading * category * character * clarification * compound * conceptually * constituent * consts * convenience * corresponds * debruijn * debug * debugable * debuggable * deterministic * discriminant * display * documentation * doesn't * ellipsis * erroneous * evaluability * evaluate * evaluation * explicitly * fallible * fulfill * getting * has * highlighting * illustrative * imported * incompatible * infringing * initialized * into * intrinsic * introduced * javascript * liveness * metadata * monomorphization * nonexistent * nontrivial * obligation * obligations * offset * opaque * opportunities * opt-in * outlive * overlapping * paragraph * parentheses * poisson * precisely * predecessors * predicates * preexisting * propagated * really * reentrant * referent * responsibility * rustonomicon * shortcircuit * simplifiable * simplifications * specify * stabilized * structurally * suggestibility * translatable * transmuting * two * unclosed * uninhabited * visibility * volatile * workaround Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
2023-04-11Rollup merge of #96971 - zhaixiaojuan:master, r=wesleywiserMichael Goulet-0/+7
Initial support for loongarch64-unknown-linux-gnu Hi, We hope to add a new port in rust for LoongArch. LoongArch intro LoongArch is a RISC style ISA which is independently designed by Loongson Technology in China. It is divided into two versions, the 32-bit version (LA32) and the 64-bit version (LA64). LA64 applications have application-level backward binary compatibility with LA32 applications. LoongArch is composed of a basic part (Loongson Base) and an expanded part. The expansion part includes Loongson Binary Translation (LBT), Loongson VirtualiZation (LVZ), Loongson SIMD EXtension (LSX) and Loongson Advanced SIMD EXtension(LASX). Currently the LA464 processor core supports LoongArch ISA and the Loongson 3A5000 processor integrates 4 64-bit LA464 cores. LA464 is a four-issue 64-bit high-performance processor core. It can be used as a single core for high-end embedded and desktop applications, or as a basic processor core to form an on-chip multi-core system for server and high-performance machine applications. Documentations: ISA: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html ABI: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html More docs can be found at: https://loongson.github.io/LoongArch-Documentation/README-EN.html Since last year, we have locally adapted two versions of rust, rust1.41 and rust1.57, and completed the test locally. I'm not sure if I'm submitting all the patches at once, so I split up the patches and here's one of the commits
2023-04-04Enable loongarch64 LLVM targetzhaixiaojuan-0/+7
2023-03-29Auto merge of #109720 - Dylan-DPC:rollup-u564m8s, r=Dylan-DPCbors-7/+10
Rollup of 7 pull requests Successful merges: - #108335 (rustdoc + rustdoc-json support for `feature(non_lifetime_binders)`) - #109534 (rustdoc: Unsupport importing `doc(primitive)` and `doc(keyword)` modules) - #109659 (llvm-wrapper: adapt for LLVM API change) - #109664 (Use span of placeholders in format_args!() expansion.) - #109683 (Check for overflow in `assemble_candidates_after_normalizing_self_ty`) - #109713 (Fix mismatched punctuation in Debug impl of AttrId) - #109718 (Rename `IndexVec::last` → `last_index`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
2023-03-28Add OpenHarmony targetsAmanieu d'Antras-1/+6
- `aarch64-unknown-linux-ohos` - `armv7-unknown-linux-ohos`
2023-03-27llvm-wrapper: adapt for LLVM API changeKrasimir Georgiev-7/+10
Adapts the wrapper for the LLVM commit https://github.com/llvm/llvm-project/commit/377e1311d50c7e5b5aab3db081938e0d0ceebdfc.
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-10 16:47:20 +0000