[llvm] d12a685 - [Support] Use std::optional in GenericDomTreeConstruction.h (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-11-27T14:16:03-08:00
New Revision: d12a6852a0e8f7f44d09890ecd92c71ac8752bbf

URL: https://github.com/llvm/llvm-project/commit/d12a6852a0e8f7f44d09890ecd92c71ac8752bbf
DIFF: https://github.com/llvm/llvm-project/commit/d12a6852a0e8f7f44d09890ecd92c71ac8752bbf.diff

LOG: [Support] Use std::optional in GenericDomTreeConstruction.h (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

Added: 
    

Modified: 
    llvm/include/llvm/Support/GenericDomTreeConstruction.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/Support/GenericDomTreeConstruction.h b/llvm/include/llvm/Support/GenericDomTreeConstruction.h
index f59151e027c5..2e7716cb0b4b 100644
--- a/llvm/include/llvm/Support/GenericDomTreeConstruction.h
+++ b/llvm/include/llvm/Support/GenericDomTreeConstruction.h
@@ -44,6 +44,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/GenericDomTree.h"
+#include <optional>
 #include <queue>
 
 #define DEBUG_TYPE "dom-tree-builder"
@@ -403,7 +404,7 @@ struct SemiNCAInfo {
       // immune to swap successors transformation (e.g. canonicalizing branch
       // predicates). SuccOrder is initialized lazily only for successors of
       // reverse unreachable nodes.
-      Optional<NodeOrderMap> SuccOrder;
+      std::optional<NodeOrderMap> SuccOrder;
       auto InitSuccOrderOnce = [&]() {
         SuccOrder = NodeOrderMap();
         for (const auto Node : nodes(DT.Parent))