[all-commits] [llvm/llvm-project] da4121: Add support for atomic memory copy lowering

[ebrevnov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: da41214d653808db86bcefeb97da842012ebd104
      https://github.com/llvm/llvm-project/commit/da41214d653808db86bcefeb97da842012ebd104
  Author: Evgeniy Brevnov <ybrevnov at azul.com>
  Date:   2022-04-08 (Fri, 08 Apr 2022)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfo.h
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/Transforms/Utils/LowerMemIntrinsics.h
    M llvm/lib/Analysis/TargetTransformInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h
    M llvm/lib/Transforms/Utils/LowerMemIntrinsics.cpp
    M llvm/unittests/Transforms/Utils/MemTransferLowering.cpp

  Log Message:
  -----------
  Add support for atomic memory copy lowering

Currently, the utility supports lowering of non atomic memory transfer routines only. This patch adds support for atomic version of memcopy. This may be useful for targets not supporting atomic memcopy.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D118443