From 214646d6b5f7584887c21c655dcec65aa4182842 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sat, 26 Nov 2022 14:29:56 -0800
Subject: [PATCH] [CodeGen] Use std::optional in ExpandMemCmp.cpp (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
---
 llvm/lib/CodeGen/ExpandMemCmp.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/ExpandMemCmp.cpp b/llvm/lib/CodeGen/ExpandMemCmp.cpp
index 7fd0296..3838eaa 100644
--- a/llvm/lib/CodeGen/ExpandMemCmp.cpp
+++ b/llvm/lib/CodeGen/ExpandMemCmp.cpp
@@ -28,6 +28,7 @@
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/Local.h"
 #include "llvm/Transforms/Utils/SizeOpts.h"
+#include <optional>
 
 using namespace llvm;
 
@@ -877,7 +878,7 @@ ExpandMemCmpPass::runImpl(Function &F, const TargetLibraryInfo *TLI,
                           const TargetTransformInfo *TTI,
                           const TargetLowering *TL, ProfileSummaryInfo *PSI,
                           BlockFrequencyInfo *BFI, DominatorTree *DT) {
-  Optional<DomTreeUpdater> DTU;
+  std::optional<DomTreeUpdater> DTU;
   if (DT)
     DTU.emplace(DT, DomTreeUpdater::UpdateStrategy::Lazy);
 
-- 
2.7.4