152           TRI.getSubRegisterClass(RC, MO.getSubReg()))  in getRegOpRC()
444   Old.substVirtReg(New->getReg(), New->getSubReg(), *TRI);  in updateOperand()
670          !Sub->getSubReg() && TII->isFoldableCopy(*SubDef);  in getRegSeqInit()
719   if (!UseOp.getSubReg() && Def && TII->isFoldableCopy(*Def)) {  in tryToFoldACImm()
768       (UseOp->isImplicit() || UseOp->getSubReg() != AMDGPU::NoSubRegister))  in foldOperand()
789       if (RSUse->getSubReg() != RegSeqDstSubReg)  in foldOperand()
891         !UseMI->getOperand(1).getSubReg()) {  in foldOperand()
896       UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
1036         UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
1058       if (TRI->hasVectorRegisters(RC) && OpToFold.getSubReg()) {  in foldOperand()
1059         unsigned SubReg = OpToFold.getSubReg();  in foldOperand()
1083   if (UseOp->getSubReg() && AMDGPU::getRegBitWidth(*FoldRC) == 64) {  in foldOperand()
1090     if (UseOp->getSubReg() == AMDGPU::sub0) {  in foldOperand()
1093       assert(UseOp->getSubReg() == AMDGPU::sub1);  in foldOperand()
1192   if (!Op.isReg() || Op.getSubReg() != AMDGPU::NoSubRegister ||  in getImmOrMaterializedImm()
1535         Src0->getSubReg() != Src1->getSubReg() ||  in isClamp()
1536         Src0->getSubReg() != AMDGPU::NoSubRegister)  in isClamp()
1720         Src0->getSubReg() == Src1->getSubReg() &&  in isOMod()
1740       RegOp->getSubReg() != AMDGPU::NoSubRegister ||  in tryFoldOMod()
1793     if (!SubDef || !SubDef->isCopy() || SubDef->getOperand(1).getSubReg())  in tryFoldRegSequence()
1801   while (UseMI->isCopy() && !Op->getSubReg()) {  in tryFoldRegSequence()
1809   if (Op->getSubReg())  in tryFoldRegSequence()
1831       RS.addReg(SubDef->getOperand(1).getReg(), 0, Def->getSubReg());  in tryFoldRegSequence()
1868     OutSubReg = CopySrc.getSubReg();  in isAGPRCopy()
1882       CopySrcDef->getOperand(0).getSubReg() != AMDGPU::NoSubRegister ||  in isAGPRCopy()
1883       OtherCopySrc.getSubReg() != AMDGPU::NoSubRegister ||  in isAGPRCopy()
1888   OutSubReg = CopySrc.getSubReg();  in isAGPRCopy()
2131       if (!PhiMO.getSubReg())  in tryOptimizeAGPRPhis()
2133       RegToMO[{PhiMO.getReg(), PhiMO.getSubReg()}].push_back(&PhiMO);  in tryOptimizeAGPRPhis()