97     bool usesRegClass(MachineOperand &MO, const TargetRegisterClass *TRC);
132 bool A15SDOptimizer::usesRegClass(MachineOperand &MO,  in usesRegClass()  function in A15SDOptimizer
163   if (MI->isCopy() && usesRegClass(MI->getOperand(1),  in getPrefSPRLane()
286   if (MI->isRegSequence() && usesRegClass(MI->getOperand(1),  in optimizeSDPattern()
325   if (MI->isCopy() && usesRegClass(MI->getOperand(1), &ARM::SPRRegClass))  in hasPartialWrite()
328   if (MI->isInsertSubreg() && usesRegClass(MI->getOperand(2),  in hasPartialWrite()
332   if (MI->isRegSequence() && usesRegClass(MI->getOperand(1), &ARM::SPRRegClass))  in hasPartialWrite()
402     if (!usesRegClass(MO, &ARM::DPRRegClass) &&  in getReadDPRs()
403         !usesRegClass(MO, &ARM::QPRRegClass) &&  in getReadDPRs()
404         !usesRegClass(MO, &ARM::DPairRegClass)) // Treat DPair as QPR  in getReadDPRs()
549     bool UsesQPR = usesRegClass(MI->getOperand(0), &ARM::QPRRegClass) ||  in optimizeAllLanesPattern()
550                    usesRegClass(MI->getOperand(0), &ARM::DPairRegClass);  in optimizeAllLanesPattern()