-unsigned
-TargetInstrInfo::getNumMicroOps(const InstrItineraryData *ItinData,
- const MachineInstr *MI) const {
- if (!ItinData || ItinData->isEmpty())
- return 1;
-
- unsigned Class = MI->getDesc().getSchedClass();
- unsigned UOps = ItinData->Itineraries[Class].NumMicroOps;
- if (UOps)
- return UOps;
-
- // The # of u-ops is dynamically determined. The specific target should
- // override this function to return the right number.
- return 1;
-}
-
-int
-TargetInstrInfo::getOperandLatency(const InstrItineraryData *ItinData,
- const MachineInstr *DefMI, unsigned DefIdx,
- const MachineInstr *UseMI, unsigned UseIdx) const {
- if (!ItinData || ItinData->isEmpty())
- return -1;
-
- unsigned DefClass = DefMI->getDesc().getSchedClass();
- unsigned UseClass = UseMI->getDesc().getSchedClass();
- return ItinData->getOperandLatency(DefClass, DefIdx, UseClass, UseIdx);
-}
-
-int
-TargetInstrInfo::getOperandLatency(const InstrItineraryData *ItinData,
- SDNode *DefNode, unsigned DefIdx,
- SDNode *UseNode, unsigned UseIdx) const {
- if (!ItinData || ItinData->isEmpty())
- return -1;
-
- if (!DefNode->isMachineOpcode())
- return -1;
-
- unsigned DefClass = get(DefNode->getMachineOpcode()).getSchedClass();
- if (!UseNode->isMachineOpcode())
- return ItinData->getOperandCycle(DefClass, DefIdx);
- unsigned UseClass = get(UseNode->getMachineOpcode()).getSchedClass();
- return ItinData->getOperandLatency(DefClass, DefIdx, UseClass, UseIdx);
-}
-
-int TargetInstrInfo::getInstrLatency(const InstrItineraryData *ItinData,
- const MachineInstr *MI,
- unsigned *PredCost) const {
- if (!ItinData || ItinData->isEmpty())
- return 1;
-
- return ItinData->getStageLatency(MI->getDesc().getSchedClass());
-}
-
-int TargetInstrInfo::getInstrLatency(const InstrItineraryData *ItinData,
- SDNode *N) const {
- if (!ItinData || ItinData->isEmpty())
- return 1;
-
- if (!N->isMachineOpcode())
- return 1;
-
- return ItinData->getStageLatency(get(N->getMachineOpcode()).getSchedClass());
-}
-
-bool TargetInstrInfo::hasLowDefLatency(const InstrItineraryData *ItinData,
- const MachineInstr *DefMI,
- unsigned DefIdx) const {
- if (!ItinData || ItinData->isEmpty())
- return false;
-
- unsigned DefClass = DefMI->getDesc().getSchedClass();
- int DefCycle = ItinData->getOperandCycle(DefClass, DefIdx);
- return (DefCycle != -1 && DefCycle <= 1);
-}
-