[PATCH] D106891: [AMDGPU] [Remarks] Emit optimization remarks when an FP atomic instruction is converted into a CAS loop or unsafe hardware instruction for GFX90A

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added a comment.

Needs an IR only test too



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Comment at: llvm/lib/Target/AMDGPU/SIISelLowering.cpp:12086
+                   TargetLowering::AtomicExpansionKind Kind, bool UnsafeFlag) {
+  ORE = new OptimizationRemarkEmitter(RMW->getFunction());
+  if (Kind == TargetLowering::AtomicExpansionKind::CmpXChg) {
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This is supposed to come from the pass, I don't think you can materialize this out of nowhere


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D106891/new/

https://reviews.llvm.org/D106891