bjoernager/rust
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Auto merge of #76830 - Artoria2e5:tune, r=nagisa

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Pass tune-cpu to LLVM

I think this is how it should work...

See https://internals.rust-lang.org/t/expose-tune-cpu-from-llvm/13088 for the background. Or the documentation diff.
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bors 2020-10-13 02:49:00 +00:00
commit f54072bb81
9 changed files with 80 additions and 8 deletions
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3
compiler/rustc_codegen_llvm/src/lib.rs
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@ -116,6 +116,9 @@ impl ExtraBackendMethods for LlvmCodegenBackend {
fn target_cpu<'b>(&self, sess: &'b Session) -> &'b str {
llvm_util::target_cpu(sess)
}
fn tune_cpu<'b>(&self, sess: &'b Session) -> Option<&'b str> {
llvm_util::tune_cpu(sess)
}
}
impl WriteBackendMethods for LlvmCodegenBackend {