319   Old.substVirtReg(New->getReg(), New->getSubReg(), TRI);  in updateOperand()
511          !Sub->getSubReg() && TII->isFoldableCopy(*SubDef);  in getRegSeqInit()
568   if (!UseOp.getSubReg() && Def && TII->isFoldableCopy(*Def)) {  in tryToFoldACImm()
617     if (UseOp.isImplicit() || UseOp.getSubReg() != AMDGPU::NoSubRegister)  in foldOperand()
635       if (RSUse.getSubReg() != RegSeqDstSubReg)  in foldOperand()
741         !UseMI->getOperand(1).getSubReg()) {  in foldOperand()
746       UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
884         UseMI->getOperand(1).setSubReg(OpToFold.getSubReg());  in foldOperand()
916   if (UseOp.getSubReg() && AMDGPU::getRegBitWidth(FoldRC->getID()) == 64) {  in foldOperand()
924     if (UseOp.getSubReg() == AMDGPU::sub0) {  in foldOperand()
927       assert(UseOp.getSubReg() == AMDGPU::sub1);  in foldOperand()
1033     if (Op.getSubReg() != AMDGPU::NoSubRegister || !Op.getReg().isVirtual())  in getImmOrMaterializedImm()
1343         Src0->getSubReg() != Src1->getSubReg() ||  in isClamp()
1344         Src0->getSubReg() != AMDGPU::NoSubRegister)  in isClamp()
1490         Src0->getSubReg() == Src1->getSubReg() &&  in isOMod()
1510       RegOp->getSubReg() != AMDGPU::NoSubRegister ||  in tryFoldOMod()
1554     if (!SubDef || !SubDef->isCopy() || SubDef->getOperand(1).getSubReg())  in tryFoldRegSequence()
1562   while (UseMI->isCopy() && !Op->getSubReg()) {  in tryFoldRegSequence()
1570   if (Op->getSubReg())  in tryFoldRegSequence()
1600       RS.addReg(SubDef->getOperand(1).getReg(), 0, Def->getSubReg());  in tryFoldRegSequence()
1637   if (PHI.getOperand(1).getSubReg() ||  in tryFoldLCSSAPhi()
1651   if (!TRI->isAGPR(*MRI, CopyIn) || Copy->getOperand(1).getSubReg())  in tryFoldLCSSAPhi()