[all-commits] [llvm/llvm-project] 231aa0: AMDGPU: Avoid creating vector extracts if we aren'...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 231aa0f2120552b474bf86d5ff6721a6c555fdc3
      https://github.com/llvm/llvm-project/commit/231aa0f2120552b474bf86d5ff6721a6c555fdc3
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-09-13 (Wed, 13 Sep 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
    M llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fdiv.ll
    M llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-sqrt.ll

  Log Message:
  -----------
  AMDGPU: Avoid creating vector extracts if we aren't going to do anything

Try to avoid expensive checks failures from reporting no changes
when some dead instructions were introduced.