1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/MemoryLocation.cpp b/llvm/lib/Analysis/MemoryLocation.cpp
index 252eedb..fb23f0b 100644
--- a/llvm/lib/Analysis/MemoryLocation.cpp
+++ b/llvm/lib/Analysis/MemoryLocation.cpp
@@ -14,6 +14,7 @@
 #include "llvm/IR/IntrinsicsARM.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
+#include <optional>
 using namespace llvm;
 
 void LocationSize::print(raw_ostream &OS) const {
@@ -126,7 +127,7 @@ MemoryLocation::getForDest(const CallBase *CB, const TargetLibraryInfo &TLI) {
     return None;
 
   Value *UsedV = nullptr;
-  Optional<unsigned> UsedIdx;
+  std::optional<unsigned> UsedIdx;
   for (unsigned i = 0; i < CB->arg_size(); i++) {
     if (!CB->getArgOperand(i)->getType()->isPointerTy())
       continue;