[X86] Improve optimizeCompareInstr for signed comparisons after BZHI instructions
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 7 Apr 2021 11:07:10 +0000 (12:07 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 7 Apr 2021 11:07:26 +0000 (12:07 +0100)
commit583258723fe22cbb8b10d4a21b50a486b2df59ed
tree1ee200412725327e801c4b48ffb31d30f609ac30
parent77f1e096e8a0a0f37a4c5f8a0bacc7c60f44f0a1
[X86] Improve optimizeCompareInstr for signed comparisons after BZHI instructions

Extend D94856 to handle 'bzhi' instructions as well
llvm/lib/Target/X86/X86InstrInfo.cpp
llvm/test/CodeGen/X86/bmi2.ll