[all-commits] [llvm/llvm-project] 68137e: [AMDGPU] Skip invariant loads when avoiding WAR co...

[Piotr Sobczak via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 68137ef5682f936a5db14202a69548eee6294256
      https://github.com/llvm/llvm-project/commit/68137ef5682f936a5db14202a69548eee6294256
  Author: Piotr Sobczak <Piotr.Sobczak at amd.com>
  Date:   2021-05-12 (Wed, 12 May 2021)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
    M llvm/test/CodeGen/AMDGPU/mul24-pass-ordering.ll
    M llvm/test/CodeGen/AMDGPU/stack-realign.ll
    M llvm/test/CodeGen/AMDGPU/waitcnt-no-redundant.mir

  Log Message:
  -----------
  [AMDGPU] Skip invariant loads when avoiding WAR conflicts

No need to handle invariant loads when avoiding WAR conflicts, as
there cannot be a vector store to the same memory location.

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D101177