[PATCH] D87864: AMDGPU: Check global FP atomics match default FP mode

[Matt Arsenault via Phabricator via llvm-commits]

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We would always select global FP atomics from atomicrmw fadd, although
they have a hardcoded FP mode.


https://reviews.llvm.org/D87864

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fadd.ll

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