100     bool usesRegClass(MachineOperand &MO, const TargetRegisterClass *TRC);
135 bool A15SDOptimizer::usesRegClass(MachineOperand &MO,  in usesRegClass()  function in A15SDOptimizer
167   if (MI->isCopy() && usesRegClass(MI->getOperand(1),  in getPrefSPRLane()
295   if (MI->isRegSequence() && usesRegClass(MI->getOperand(1),  in optimizeSDPattern()
334   if (MI->isCopy() && usesRegClass(MI->getOperand(1), &ARM::SPRRegClass))  in hasPartialWrite()
337   if (MI->isInsertSubreg() && usesRegClass(MI->getOperand(2),  in hasPartialWrite()
341   if (MI->isRegSequence() && usesRegClass(MI->getOperand(1), &ARM::SPRRegClass))  in hasPartialWrite()
415     if (!usesRegClass(MO, &ARM::DPRRegClass) &&  in getReadDPRs()
416         !usesRegClass(MO, &ARM::QPRRegClass) &&  in getReadDPRs()
417         !usesRegClass(MO, &ARM::DPairRegClass)) // Treat DPair as QPR  in getReadDPRs()
566     bool UsesQPR = usesRegClass(MI->getOperand(0), &ARM::QPRRegClass) ||  in optimizeAllLanesPattern()
567                    usesRegClass(MI->getOperand(0), &ARM::DPairRegClass);  in optimizeAllLanesPattern()