[PATCH] D138428: [X86] Use lock add/sub/or/and/xor for cases that we only care about the EFLAGS (negated cases)

[Phoebe Wang via Phabricator via llvm-commits]

pengfei updated this revision to Diff 476899.
pengfei marked an inline comment as done.
pengfei added a comment.

Pre-commit tests.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138428/new/

https://reviews.llvm.org/D138428

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/pr58685.ll

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