commit 18a4bf238bc54c1b32461feb0a0142a57f4ad6db
author Kazu Hirata <kazu@google.com> Fri May 12 18:33:26 2023 -0700
committer Copybara-Service <copybara-worker@google.com> Fri May 12 18:36:50 2023 -0700
tree 9f639db677260a02d3aef1faae65f4c7891dfe64
parent 7fee2667618e7636d4a7dfdc314ca4fdd9305851

Replace None with std::nullopt in comments (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

GitOrigin-RevId: 81e149aab9b3676b16728e883e2f21ee938cff93

include/polly/Support/ScopHelper.h

diff --git a/include/polly/Support/ScopHelper.h b/include/polly/Support/ScopHelper.h
index 5001d12..17480c5 100644
--- a/include/polly/Support/ScopHelper.h
+++ b/include/polly/Support/ScopHelper.h
@@ -522,7 +522,7 @@
 ///   !{ !"Name" }
 ///
 /// Then `nullptr` is set to mark the property is existing, but does not carry
-/// any value. If the property does not exist, `None` is returned.
+/// any value. If the property does not exist, `std::nullopt` is returned.
 std::optional<llvm::Metadata *> findMetadataOperand(llvm::MDNode *LoopMD,
                                                     llvm::StringRef Name);