[CodeGen] Use std::optional in SafeStack.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:57:44 +0000 (14:57 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:57:44 +0000 (14:57 -0800)
commitd77ecb675b647b54ba142be043b17139f62be6f7
tree09c0d94a502b8fadfac818ac17d00d77e9083456
parent8a45032e5c3ad8581fd925b1ec670c82df38f8fe
[CodeGen] Use std::optional in SafeStack.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/SafeStack.cpp