[libc] Use std::optional instead of llvm::Optional (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

3 files changed, 3 insertions, 3 deletions

diff --git a/libc/benchmarks/LibcBenchmark.h b/libc/benchmarks/LibcBenchmark.h
index e7be9c386f79..3b0a05136ca5 100644
--- a/libc/benchmarks/LibcBenchmark.h
+++ b/libc/benchmarks/LibcBenchmark.h
@@ -99,7 +99,7 @@ struct BenchmarkState {
 struct BenchmarkResult {
   BenchmarkStatus TerminationStatus = BenchmarkStatus::Running;
   Duration BestGuess = {};
-  llvm::Optional<llvm::SmallVector<BenchmarkState, 16>> MaybeBenchmarkLog;
+  std::optional<llvm::SmallVector<BenchmarkState, 16>> MaybeBenchmarkLog;
 };
 
 // Stores information about a cache in the host memory system.
diff --git a/libc/benchmarks/LibcBenchmarkTest.cpp b/libc/benchmarks/LibcBenchmarkTest.cpp
index c9b21e48e8f7..41a246281efb 100644
--- a/libc/benchmarks/LibcBenchmarkTest.cpp
+++ b/libc/benchmarks/LibcBenchmarkTest.cpp
@@ -78,7 +78,7 @@ protected:
 private:
   DummyParameterProvider ParameterProvider;
   static char DummyFunction(char Payload) { return Payload; }
-  llvm::Optional<std::queue<Duration>> MaybeTimepoints;
+  std::optional<std::queue<Duration>> MaybeTimepoints;
 };
 
 TEST_F(LibcBenchmark, MaxSamplesReached) {
diff --git a/libc/benchmarks/automemcpy/lib/CodeGen.cpp b/libc/benchmarks/automemcpy/lib/CodeGen.cpp
index b11317934858..d0a356d11265 100644
--- a/libc/benchmarks/automemcpy/lib/CodeGen.cpp
+++ b/libc/benchmarks/automemcpy/lib/CodeGen.cpp
@@ -377,7 +377,7 @@ static raw_ostream &operator<<(raw_ostream &Stream, const FunctionType &T) {
 }
 template <typename T>
 static raw_ostream &operator<<(raw_ostream &Stream,
-                               const llvm::Optional<T> &MaybeT) {
+                               const std::optional<T> &MaybeT) {
   if (MaybeT)
     return Stream << *MaybeT;
   return Stream << "std::nullopt";