diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 1b2beac56a2..75a189aa87c 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -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 |