[all-commits] [llvm/llvm-project] 4433f4: [AMDGPU] Fix extra waitcnt being added with BUFFER...

[Austin Kerbow via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4433f4601e8a8e36ddd9bb6f6ed394bda353b828
      https://github.com/llvm/llvm-project/commit/4433f4601e8a8e36ddd9bb6f6ed394bda353b828
  Author: Austin Kerbow <Austin.Kerbow at amd.com>
  Date:   2021-05-11 (Tue, 11 May 2021)

  Changed paths:
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
    M llvm/test/CodeGen/AMDGPU/waitcnt-preexisting.mir

  Log Message:
  -----------
  [AMDGPU] Fix extra waitcnt being added with BUFFER_INVL2

The waitcnt pass would increment the number of vmem events for some buffer
invalidates that were not handled by the pass.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D102252