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
#include <cstddef>
#include <cstdint>
#include <memory>
+#include <optional>
using namespace llvm;
LanaiAsmParser::parseRegister(bool RestoreOnFailure) {
SMLoc Start = Parser.getTok().getLoc();
SMLoc End = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
- Optional<AsmToken> PercentTok;
+ std::optional<AsmToken> PercentTok;
unsigned RegNum;
// Eat the '%'.