152           TRI.getSubRegisterClass(RC, MO.getSubReg()))  in getRegOpRC()
442   Old.substVirtReg(New->getReg(), New->getSubReg(), *TRI);  in updateOperand()
668          !Sub->getSubReg() && TII->isFoldableCopy(*SubDef);  in getRegSeqInit()
717   if (!UseOp.getSubReg() && Def && TII->isFoldableCopy(*Def)) {  in tryToFoldACImm()
766       (UseOp.isImplicit() || UseOp.getSubReg() != AMDGPU::NoSubRegister))  in foldOperand()
783       if (RSUse.getSubReg() != RegSeqDstSubReg)  in foldOperand()
874         !UseMI->getOperand(1).getSubReg()) {  in foldOperand()
879       UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
1019         UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
1040       if (TRI->hasVectorRegisters(RC) && OpToFold.getSubReg()) {  in foldOperand()
1041         unsigned SubReg = OpToFold.getSubReg();  in foldOperand()
1065   if (UseOp.getSubReg() && AMDGPU::getRegBitWidth(*FoldRC) == 64) {  in foldOperand()
1072     if (UseOp.getSubReg() == AMDGPU::sub0) {  in foldOperand()
1075       assert(UseOp.getSubReg() == AMDGPU::sub1);  in foldOperand()
1174   if (!Op.isReg() || Op.getSubReg() != AMDGPU::NoSubRegister ||  in getImmOrMaterializedImm()
1512         Src0->getSubReg() != Src1->getSubReg() ||  in isClamp()
1513         Src0->getSubReg() != AMDGPU::NoSubRegister)  in isClamp()
1681         Src0->getSubReg() == Src1->getSubReg() &&  in isOMod()
1701       RegOp->getSubReg() != AMDGPU::NoSubRegister ||  in tryFoldOMod()
1752     if (!SubDef || !SubDef->isCopy() || SubDef->getOperand(1).getSubReg())  in tryFoldRegSequence()
1760   while (UseMI->isCopy() && !Op->getSubReg()) {  in tryFoldRegSequence()
1768   if (Op->getSubReg())  in tryFoldRegSequence()
1791       RS.addReg(SubDef->getOperand(1).getReg(), 0, Def->getSubReg());  in tryFoldRegSequence()
1828     OutSubReg = CopySrc.getSubReg();  in isAGPRCopy()
1842       CopySrcDef->getOperand(0).getSubReg() != AMDGPU::NoSubRegister ||  in isAGPRCopy()
1843       OtherCopySrc.getSubReg() != AMDGPU::NoSubRegister ||  in isAGPRCopy()
1848   OutSubReg = CopySrc.getSubReg();  in isAGPRCopy()
2091       RegToMO[{PhiMO.getReg(), PhiMO.getSubReg()}].push_back(&PhiMO);  in tryOptimizeAGPRPhis()