[PATCH] D143603: [AMDGPU] Do not exapnd fp atomics on gfx940

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
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FP atomics are safe on gfx940. This fixes regression after D131560 <https://reviews.llvm.org/D131560>.

Fixes: SWDEV-380468


https://reviews.llvm.org/D143603

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/fp-atomics-gfx940.ll
  llvm/test/CodeGen/AMDGPU/atomicrmw-expand.ll
  llvm/test/CodeGen/AMDGPU/fp-atomics-gfx940.ll
  llvm/test/CodeGen/AMDGPU/fp64-atomics-gfx90a.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fadd-flat-specialization.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fadd.ll

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