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[MC] Use std::optional in MCSchedule.cpp (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
This commit is contained in:
Kazu Hirata 2022-11-25 12:28:42 -08:00
parent 7c88445a3c
commit 400db9c8a5
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/MC/MCSchedule.cpp
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@ -15,6 +15,7 @@
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include <optional>
#include <type_traits>
using namespace llvm;
@ -87,7 +88,7 @@ int MCSchedModel::computeInstrLatency(const MCSubtargetInfo &STI,
double
MCSchedModel::getReciprocalThroughput(const MCSubtargetInfo &STI,
const MCSchedClassDesc &SCDesc) {
Optional<double> Throughput;
std::optional<double> Throughput;
const MCSchedModel &SM = STI.getSchedModel();
const MCWriteProcResEntry *I = STI.getWriteProcResBegin(&SCDesc);
const MCWriteProcResEntry *E = STI.getWriteProcResEnd(&SCDesc);
@ -133,7 +134,7 @@ MCSchedModel::getReciprocalThroughput(const MCSubtargetInfo &STI,
double
MCSchedModel::getReciprocalThroughput(unsigned SchedClass,
const InstrItineraryData &IID) {
Optional<double> Throughput;
std::optional<double> Throughput;
const InstrStage *I = IID.beginStage(SchedClass);
const InstrStage *E = IID.endStage(SchedClass);
for (; I != E; ++I) {