[Scalar] Use std::optional in LoopUnrollPass.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 01:29:32 +0000 (17:29 -0800)
committerKazu Hirata <kazu@google.com>
Sun, 27 Nov 2022 01:29:32 +0000 (17:29 -0800)
commit3bb0c7075b8a76cf3a740b9ef95ed049f44706e3
tree20da878a8bc41a8920ddfee8a8ea01828351896b
parentf207cf1d93787696ce130a1deeb1f11196e528ec
[Scalar] Use std::optional in LoopUnrollPass.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/Transforms/Scalar/LoopUnrollPass.cpp