[AArch64] Use std::optional in AArch64LoadStoreOptimizer.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:08:30 +0000 (22:08 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:08:30 +0000 (22:08 -0800)
commit298cb551fb399d71d65a1ee3c3dd791f79e2e925
tree19dc633be9590aceaa08694e44b9438d4c183476
parent23ca55231a4c58021a3490b932fd63bf4770e24a
[AArch64] Use std::optional in AArch64LoadStoreOptimizer.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/AArch64LoadStoreOptimizer.cpp