1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/tools/llvm-sim/llvm-sim.cpp b/llvm/tools/llvm-sim/llvm-sim.cpp
index 2b717d72e48a..d09e51561253 100644
--- a/llvm/tools/llvm-sim/llvm-sim.cpp
+++ b/llvm/tools/llvm-sim/llvm-sim.cpp
@@ -41,13 +41,13 @@ static cl::opt<std::string> InputSourceFile(cl::Positional,
 /// \param LLVMInstNum - The mapping of Instructions to their location in the
 /// module represented by an unsigned integer.
 /// \returns The instruction number for \p I if it exists.
-Optional<unsigned>
+std::optional<unsigned>
 getPositionInModule(const Instruction *I,
                     const DenseMap<Instruction *, unsigned> &LLVMInstNum) {
   assert(I && "Instruction is nullptr!");
   DenseMap<Instruction *, unsigned>::const_iterator It = LLVMInstNum.find(I);
   if (It == LLVMInstNum.end())
-    return None;
+    return std::nullopt;
   return It->second;
 }
 
@@ -80,9 +80,9 @@ exportToFile(const StringRef FilePath,
     // For each file there is a list of the range where the similarity
     // exists.
     for (const IRSimilarityCandidate &C : G) {
-      Optional<unsigned> Start =
+      std::optional<unsigned> Start =
           getPositionInModule((*C.front()).Inst, LLVMInstNum);
-      Optional<unsigned> End =
+      std::optional<unsigned> End =
           getPositionInModule((*C.back()).Inst, LLVMInstNum);
 
       assert(Start &&
@@ -90,8 +90,8 @@ exportToFile(const StringRef FilePath,
       assert(End && "Could not find instruction number for last instruction");
 
       J.object([&] {
-        J.attribute("start", Start.value());
-        J.attribute("end", End.value());
+        J.attribute("start", *Start);
+        J.attribute("end", *End);
       });
     }
     J.arrayEnd();