[all-commits] [llvm/llvm-project] ce0c00: AMDGPU: If a store defines (alias) a load, it clob...

[Changpeng Fang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ce0c0013d8b11e9ce9820c0add2a013f5992e6a6
      https://github.com/llvm/llvm-project/commit/ce0c0013d8b11e9ce9820c0add2a013f5992e6a6
  Author: Changpeng Fang <Changpeng.Fang at amd.com>
  Date:   2020-12-14 (Mon, 14 Dec 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp
    A llvm/test/CodeGen/AMDGPU/store-clobbers-load.ll
    M llvm/test/CodeGen/AMDGPU/wave32.ll

  Log Message:
  -----------
  AMDGPU: If a store defines (alias) a load, it clobbers the load.

Summary:
 If a store defines (must alias) a load, it clobbers the load.

Fixes: SWDEV-258915

Reviewers:
  arsenm

Differential Revision:
  https://reviews.llvm.org/D92951