[Target] Use std::optional in CGPassBuilderOption.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

diff --git a/llvm/include/llvm/Target/CGPassBuilderOption.h b/llvm/include/llvm/Target/CGPassBuilderOption.h
index 7a6d910..ed0f006 100644 (file)
--- a/llvm/include/llvm/Target/CGPassBuilderOption.h
+++ b/llvm/include/llvm/Target/CGPassBuilderOption.h
@@ -17,6 +17,7 @@
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Target/TargetOptions.h"
+#include <optional>
 
 namespace llvm {
 
@@ -27,8 +28,8 @@ enum class CFLAAType { None, Steensgaard, Andersen, Both };
 // Not one-on-one but mostly corresponding to commandline options in
 // TargetPassConfig.cpp.
 struct CGPassBuilderOption {
-  Optional<bool> OptimizeRegAlloc;
-  Optional<bool> EnableIPRA;
+  std::optional<bool> OptimizeRegAlloc;
+  std::optional<bool> EnableIPRA;
   bool DebugPM = false;
   bool DisableVerify = false;
   bool EnableImplicitNullChecks = false;
@@ -50,11 +51,11 @@ struct CGPassBuilderOption {
   RunOutliner EnableMachineOutliner = RunOutliner::TargetDefault;
   RegAllocType RegAlloc = RegAllocType::Default;
   CFLAAType UseCFLAA = CFLAAType::None;
-  Optional<GlobalISelAbortMode> EnableGlobalISelAbort;
+  std::optional<GlobalISelAbortMode> EnableGlobalISelAbort;
 
-  Optional<bool> VerifyMachineCode;
-  Optional<bool> EnableFastISelOption;
-  Optional<bool> EnableGlobalISelOption;
+  std::optional<bool> VerifyMachineCode;
+  std::optional<bool> EnableFastISelOption;
+  std::optional<bool> EnableGlobalISelOption;
 };
 
 CGPassBuilderOption getCGPassBuilderOption();