[AArch64] Use std::optional in AArch64ISelLowering.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:06:01 +0000 (22:06 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:06:01 +0000 (22:06 -0800)
commit23ca55231a4c58021a3490b932fd63bf4770e24a
tree3ec3a2b997fdd5c9e59ad365931de4e437e83047
parent4f7e5930abf3ff283283b20dab8d5d651a490900
[AArch64] Use std::optional in AArch64ISelLowering.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/Target/AArch64/AArch64ISelLowering.cpp