llvm/llvm/lib/MC/MCSchedule.cpp

//===- MCSchedule.cpp - Scheduling ------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the default scheduling model.
//
//===----------------------------------------------------------------------===//

#include "llvm/MC/MCSchedule.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include <optional>
#include <type_traits>

usingnamespacellvm;

static_assert …;
const MCSchedModel MCSchedModel::Default = …;

int MCSchedModel::computeInstrLatency(const MCSubtargetInfo &STI,
                                      const MCSchedClassDesc &SCDesc) { … }

int MCSchedModel::computeInstrLatency(const MCSubtargetInfo &STI,
                                      unsigned SchedClass) const { … }

int MCSchedModel::computeInstrLatency(const MCSubtargetInfo &STI,
                                      const MCInstrInfo &MCII,
                                      const MCInst &Inst) const { … }

double
MCSchedModel::getReciprocalThroughput(const MCSubtargetInfo &STI,
                                      const MCSchedClassDesc &SCDesc) { … }

double
MCSchedModel::getReciprocalThroughput(const MCSubtargetInfo &STI,
                                      const MCInstrInfo &MCII,
                                      const MCInst &Inst) const { … }

double
MCSchedModel::getReciprocalThroughput(unsigned SchedClass,
                                      const InstrItineraryData &IID) { … }

unsigned
MCSchedModel::getForwardingDelayCycles(ArrayRef<MCReadAdvanceEntry> Entries,
                                       unsigned WriteResourceID) { … }