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Auto merge of #121763 - clubby789:llvm-old-comment, r=cjgillot

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Update outdated LLVM comment

The first path no longer exists, but the second does.
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bors 2024-03-03 19:59:03 +00:00
commit 516b6162a2
1 changed files with 3 additions and 6 deletions
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9
compiler/rustc_codegen_llvm/src/llvm_util.rs
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@ -192,14 +192,11 @@ impl<'a> IntoIterator for LLVMFeature<'a> {
// to LLVM or the feature detection code will walk past the end of the feature
// array, leading to crashes.
//
// To find a list of LLVM's names, check llvm-project/llvm/include/llvm/Support/*TargetParser.def
// where the * matches the architecture's name
//
// For targets not present in the above location, see llvm-project/llvm/lib/Target/{ARCH}/*.td
// To find a list of LLVM's names, see llvm-project/llvm/lib/Target/{ARCH}/*.td
// where `{ARCH}` is the architecture name. Look for instances of `SubtargetFeature`.
//
// Beware to not use the llvm github project for this, but check the git submodule
// found in src/llvm-project
// Check the current rustc fork of LLVM in the repo at https://github.com/rust-lang/llvm-project/.
// The commit in use can be found via the `llvm-project` submodule in https://github.com/rust-lang/rust/tree/master/src
// Though note that Rust can also be build with an external precompiled version of LLVM
// which might lead to failures if the oldest tested / supported LLVM version
// doesn't yet support the relevant intrinsics