================
@@ -2980,10 +2988,34 @@ bool
CodeGenModule::GetCPUAndFeaturesAttributes(GlobalDecl GD,
// favor this processor.
TuneCPU = SD->getCPUName(GD.getMultiVersionIndex())->getName();
}
+
+ // For AMDGPU, only emit delta features (features that differ from the
+ // target CPU's defaults). Other targets might want to follow a similar
+ // pattern.
+ if (getTarget().getTriple().isAMDGPU()) {
----------------
shiltian wrote:
Sure, this should do one target at a time to minimize the possibilities of big
break.
https://github.com/llvm/llvm-project/pull/176533
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