[ComplexToLibm] Use std::optional in ComplexToLibm.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 10 Dec 2022 18:40:35 +0000 (10:40 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 10 Dec 2022 18:40:35 +0000 (10:40 -0800)
commit1adfdab39936e3fe6f4b7bca945f3d46b4b075e3
tree2211f0881f2f4b1953aa43bdd67eca6cd41bf645
parentb2379415b9b4d86565cae9d9df753fb6f7e7513b
[ComplexToLibm] Use std::optional in ComplexToLibm.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
mlir/lib/Conversion/ComplexToLibm/ComplexToLibm.cpp