[Analysis] Use std::optional in BasicAliasAnalysis.h (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 19:48:58 +0000 (11:48 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 19:48:58 +0000 (11:48 -0800)
commitd1925fa27a379ea7cf9625e62f98af967c7bae3c
tree6dfee0fc0bf854dd1179b02cc094f55bfcd4a985
parentc0c5ffad4344c9b611b4166313b574c8ca9e20b4
[Analysis] Use std::optional in BasicAliasAnalysis.h (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/include/llvm/Analysis/BasicAliasAnalysis.h