[PATCH] D134903: AtomicExpand: Don't create unused instructions for some atomicrmw

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: jyknight, reames.
Herald added subscribers: kosarev, kerbowa, jrtc27, fedor.sergeev, hiraditya, jvesely.
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This wasn't used by every atomicrmw expansion.


https://reviews.llvm.org/D134903

Files:
  llvm/lib/CodeGen/AtomicExpandPass.cpp
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i16.ll
  llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i8.ll
  llvm/test/Transforms/AtomicExpand/SPARC/partword.ll

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