1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Support/RISCVISAInfo.cpp b/llvm/lib/Support/RISCVISAInfo.cpp
index ff9525b..2be381d 100644
--- a/llvm/lib/Support/RISCVISAInfo.cpp
+++ b/llvm/lib/Support/RISCVISAInfo.cpp
@@ -168,7 +168,7 @@ findDefaultVersion(StringRef ExtName) {
     }
     return ExtensionInfoIterator->Version;
   }
-  return None;
+  return std::nullopt;
 }
 
 void RISCVISAInfo::addExtension(StringRef ExtName, unsigned MajorVersion,
@@ -209,7 +209,7 @@ isExperimentalExtension(StringRef Ext) {
   auto ExtIterator =
       llvm::find_if(SupportedExperimentalExtensions, FindByName(Ext));
   if (ExtIterator == std::end(SupportedExperimentalExtensions))
-    return None;
+    return std::nullopt;
 
   return ExtIterator->Version;
 }