diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 2cc2825cf32..91686d27442 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -139,6 +139,11 @@ pub fn time_trace_profiler_finish(file_name: &str) { // 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 +// Beware to not use the llvm github project for this, but check the git submodule +// found in src/llvm-project +// 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 pub fn to_llvm_feature<'a>(sess: &Session, s: &'a str) -> &'a str { let arch = if sess.target.arch == "x86_64" { "x86" } else { &*sess.target.arch }; match (arch, s) { |