[clang] Use std::optional instead of llvm::Optional (NFC)

This patch replaces (llvm::|)Optional< with std::optional<.  I'll post
a separate patch to remove #include "llvm/ADT/Optional.h".

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

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 6dafd4a..55464e1 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -364,7 +364,7 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
   if (HasCleanups) {
     // Make sure the line table doesn't jump back into the body for
     // the ret after it's been at EndLoc.
-    Optional<ApplyDebugLocation> AL;
+    std::optional<ApplyDebugLocation> AL;
     if (CGDebugInfo *DI = getDebugInfo()) {
       if (OnlySimpleReturnStmts)
         DI->EmitLocation(Builder, EndLoc);
@@ -505,7 +505,7 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
                      llvm::utostr(LargestVectorWidth));
 
   // Add vscale_range attribute if appropriate.
-  Optional<std::pair<unsigned, unsigned>> VScaleRange =
+  std::optional<std::pair<unsigned, unsigned>> VScaleRange =
       getContext().getTargetInfo().getVScaleRange(getLangOpts());
   if (VScaleRange) {
     CurFn->addFnAttr(llvm::Attribute::getWithVScaleRangeArgs(