[CodeGen] Use std::optional in ExpandMemCmp.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:29:56 +0000 (14:29 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:29:56 +0000 (14:29 -0800)
commit214646d6b5f7584887c21c655dcec65aa4182842
tree8aeb151f59fce03e6f85da882b15278ec4b34779
parent000749d753d06c800aff3a71ea7f9db8ec29fdac
[CodeGen] Use std::optional in ExpandMemCmp.cpp (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
llvm/lib/CodeGen/ExpandMemCmp.cpp