[GISel] Use std::optional in AArch64PostLegalizerLowering.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:20:07 +0000 (22:20 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 06:20:07 +0000 (22:20 -0800)
commitf0105ee968b223dffba86b11e1b3dc9e8b3af652
treee8a5f26cd1e079cf073d2c8138dcef8e59171f41
parent5c99c2e16b6573d31045f610150b71c7e07f5f67
[GISel] Use std::optional in AArch64PostLegalizerLowering.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/GISel/AArch64PostLegalizerLowering.cpp