[all-commits] [llvm/llvm-project] 3e5266: AMDGPU: Fix verifier error with undef source produ...

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e52667433881f42ff95ac6775b1ef1a3edd68cd
      https://github.com/llvm/llvm-project/commit/3e52667433881f42ff95ac6775b1ef1a3edd68cd
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-08-05 (Wed, 05 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
    M llvm/test/CodeGen/AMDGPU/andorbitset.ll
    A llvm/test/CodeGen/AMDGPU/shrink-insts-scalar-bit-ops.mir
    A llvm/test/CodeGen/AMDGPU/shrink-insts-undef-reg-verifier-error.ll

  Log Message:
  -----------
  AMDGPU: Fix verifier error with undef source producing s_bitset*

This needs to preserve the undef flag.