[all-commits] [llvm/llvm-project] 721810: [X86] Use lock add/sub/or/and/xor for cases that w...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7218103bcaca36be0287172a91ae2907ca20930c
      https://github.com/llvm/llvm-project/commit/7218103bcaca36be0287172a91ae2907ca20930c
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2022-11-23 (Wed, 23 Nov 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/pr58685.ll

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

This fixes #58685

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D138428