[PATCH] D134561: AtomicExpand: Support cmpxchg expansion for small FP types

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: jyknight, rampitec, reames, timshen, tianshilei1992.
Herald added subscribers: kosarev, foad, kerbowa, hiraditya, tpr, nhaehnle, jvesely.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

Handles f16 atomics for AMDGPU.


https://reviews.llvm.org/D134561

Files:
  llvm/lib/CodeGen/AtomicExpandPass.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fadd.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmax.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmin.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fsub.ll

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