[all-commits] [llvm/llvm-project] d55825: [X86] Use lock add/sub for cases that we only care...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d55825565070cd36fa6a41fe8a3bfdec8751e790
      https://github.com/llvm/llvm-project/commit/d55825565070cd36fa6a41fe8a3bfdec8751e790
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2022-11-18 (Fri, 18 Nov 2022)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/include/llvm/IR/IntrinsicsX86.td
    M llvm/lib/CodeGen/AtomicExpandPass.cpp
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/lib/Target/X86/X86ISelLowering.h
    M llvm/test/CodeGen/X86/pr37025.ll
    M llvm/test/CodeGen/X86/pr58685.ll

  Log Message:
  -----------
  [X86] Use lock add/sub for cases that we only care about the EFLAGS

This fixes #36373, #36905 and partial of #58685.

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D137711