[PATCH] D116375: [X86] Use bit test instructions to optimize some logic atomic operations

[Phoebe Wang via Phabricator via llvm-commits]

pengfei updated this revision to Diff 396629.
pengfei added a comment.

Great review! Thanks Craig.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116375/new/

https://reviews.llvm.org/D116375

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/lib/Target/X86/X86InstrCompiler.td
  llvm/lib/Target/X86/X86InstrInfo.td
  llvm/test/CodeGen/X86/atomic-bit-test.ll

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