[YAML] Convert Optional to std::optional

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp b/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
index 4d4674b..451a0f3 100644
--- a/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
@@ -38,6 +38,7 @@
 #include "llvm/Transforms/Utils/Cloning.h"
 #include "llvm/Transforms/Utils/ValueMapper.h"
 
+#include <optional>
 #include <set>
 #include <sstream>
 
@@ -1707,7 +1708,7 @@ void CHR::transformScopes(CHRScope *Scope, DenseSet<PHINode *> &TrivialPHIs) {
   BasicBlock *EntryBlock = FirstRegion->getEntry();
   Region *LastRegion = Scope->RegInfos[Scope->RegInfos.size() - 1].R;
   BasicBlock *ExitBlock = LastRegion->getExit();
-  Optional<uint64_t> ProfileCount = BFI.getBlockProfileCount(EntryBlock);
+  std::optional<uint64_t> ProfileCount = BFI.getBlockProfileCount(EntryBlock);
 
   if (ExitBlock) {
     // Insert a trivial phi at the exit block (where the CHR hot path and the