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

[Anshil Gandhi via Phabricator via cfe-commits]

gandhi21299 created this revision.
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Implements ORE in SIISelLowering.cpp, reports CAS loop or unsafe hardware instruction if the flag `unsafe-fp-atomics` is enabled for the subtarget GFX90A.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106891

Files:
  clang/test/CodeGenCUDA/fp-atomics-optremarks.cu
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.h

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