[clang] [llvm] [AMDGPU][SIInsertWaitcnt] Implement Waitcnt Expansion for Profiling (PR #169345)

[Pankaj Dwivedi via cfe-commits]

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@@ -443,6 +443,8 @@ void AMDGPUTargetCodeGenInfo::setTargetAttributes(
     setFunctionDeclAttributes(FD, F, M);
   if (!getABIInfo().getCodeGenOpts().EmitIEEENaNCompliantInsts)
     F->addFnAttr("amdgpu-ieee", "false");
+  if (getABIInfo().getCodeGenOpts().AMDGPUExpandWaitcntProfiling)
+    F->addFnAttr("amdgpu-expand-waitcnt-profiling");
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PankajDwivedi-25 wrote:

Sure, let me do it in a follow-up patch.

https://github.com/llvm/llvm-project/pull/169345