[llvm-ifs] Use std::optional in llvm-ifs.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:51:35 +0000 (18:51 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 02:51:35 +0000 (18:51 -0800)
commit6e5eeec717151d0c2bbd525928f549dfb895c47b
tree95c0d65b37350749bc2abd8b0602c3ed614482e4
parent170666eb4abc58f77da363fcd3688bd128fa5fae
[llvm-ifs] Use std::optional in llvm-ifs.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/tools/llvm-ifs/llvm-ifs.cpp