From a5ef7bb5c137529573f626cfe80764db90c1ed98 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sat, 26 Nov 2022 15:07:23 -0800
Subject: [PATCH] [SelectionDAG] Use std::optional in SelectionDAGISel.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/SelectionDAG/SelectionDAGISel.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 5dd6cc6..30fab77 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -102,6 +102,7 @@
 #include <iterator>
 #include <limits>
 #include <memory>
+#include <optional>
 #include <string>
 #include <utility>
 #include <vector>
@@ -2263,7 +2264,7 @@ void SelectionDAGISel::Select_PATCHPOINT(SDNode *N) {
 
   // Cache arguments that will be moved to the end in the target node.
   SDValue Chain = *It++;
-  Optional<SDValue> Glue;
+  std::optional<SDValue> Glue;
   if (It->getValueType() == MVT::Glue)
     Glue = *It++;
   SDValue RegMask = *It++;
-- 
2.7.4