C++ (Cpp) MCSubtargetInfo::resolveVariantSchedClass Beispiele

Beispiel #1

Datei: MCSchedule.cpp Projekt: crabtw/llvm

int MCSchedModel::computeInstrLatency(const MCSubtargetInfo &STI,
                                      const MCInstrInfo &MCII,
                                      const MCInst &Inst) const {
  unsigned SchedClass = MCII.get(Inst.getOpcode()).getSchedClass();
  const MCSchedClassDesc *SCDesc = getSchedClassDesc(SchedClass);
  if (!SCDesc->isValid())
    return 0;

  unsigned CPUID = getProcessorID();
  while (SCDesc->isVariant()) {
    SchedClass = STI.resolveVariantSchedClass(SchedClass, &Inst, CPUID);
    SCDesc = getSchedClassDesc(SchedClass);
  }

  if (SchedClass)
    return MCSchedModel::computeInstrLatency(STI, *SCDesc);

  llvm_unreachable("unsupported variant scheduling class");
}

Beispiel #2

Datei: MCSchedule.cpp Projekt: crabtw/llvm

Optional<double>
MCSchedModel::getReciprocalThroughput(const MCSubtargetInfo &STI,
                                      const MCInstrInfo &MCII,
                                      const MCInst &Inst) const {
  Optional<double> Throughput;
  unsigned SchedClass = MCII.get(Inst.getOpcode()).getSchedClass();
  const MCSchedClassDesc *SCDesc = getSchedClassDesc(SchedClass);
  if (!SCDesc->isValid())
    return Throughput;

  unsigned CPUID = getProcessorID();
  while (SCDesc->isVariant()) {
    SchedClass = STI.resolveVariantSchedClass(SchedClass, &Inst, CPUID);
    SCDesc = getSchedClassDesc(SchedClass);
  }

  if (SchedClass)
    return MCSchedModel::getReciprocalThroughput(STI, *SCDesc);

  llvm_unreachable("unsupported variant scheduling class");
}