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authorbors <bors@rust-lang.org>2020-10-13 02:49:00 +0000
committerbors <bors@rust-lang.org>2020-10-13 02:49:00 +0000
commitf54072bb815e2bbaec40eed18c7618904a184470 (patch)
treec8ef9069de929a2e7c2fd3a93363890bf5739cc6 /compiler/rustc_codegen_llvm/src/lib.rs
parentafb4514c099fde6e3102373602bea9e6dacd4f88 (diff)
parenta35a93f09cc111a53d00efc567ad678583dd5ac7 (diff)
downloadrust-f54072bb815e2bbaec40eed18c7618904a184470.tar.gz
rust-f54072bb815e2bbaec40eed18c7618904a184470.zip
Auto merge of #76830 - Artoria2e5:tune, r=nagisa
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.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/lib.rs')
-rw-r--r--compiler/rustc_codegen_llvm/src/lib.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
index 1237b39b300..b5f83118d0c 100644
--- a/compiler/rustc_codegen_llvm/src/lib.rs
+++ b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -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 {