AMDGPU: Fix verifier error with undef source producing s_bitset*
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Wed, 5 Aug 2020 13:42:14 +0000 (09:42 -0400)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Wed, 5 Aug 2020 18:42:20 +0000 (14:42 -0400)
commit3e52667433881f42ff95ac6775b1ef1a3edd68cd
tree65200f04517885d1a1da1758516e9d70edf286ae
parente8760bb9a8a3a22fe22302ffe1932c13c3fcff8e
AMDGPU: Fix verifier error with undef source producing s_bitset*

This needs to preserve the undef flag.
llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
llvm/test/CodeGen/AMDGPU/andorbitset.ll
llvm/test/CodeGen/AMDGPU/shrink-insts-scalar-bit-ops.mir [new file with mode: 0644]
llvm/test/CodeGen/AMDGPU/shrink-insts-undef-reg-verifier-error.ll [new file with mode: 0644]