716   MachineOperand &UseOp = UseMI->getOperand(UseOpIdx);  in tryToFoldACImm()  local
717   if (!UseOp.getSubReg() && Def && TII->isFoldableCopy(*Def)) {  in tryToFoldACImm()
759   const MachineOperand &UseOp = UseMI->getOperand(UseOpIdx);  in foldOperand()  local
761   if (!isUseSafeToFold(*UseMI, UseOp))  in foldOperand()
765   if (UseOp.isReg() && OpToFold.isReg() &&  in foldOperand()
766       (UseOp.isImplicit() || UseOp.getSubReg() != AMDGPU::NoSubRegister))  in foldOperand()
1030     if (UseDesc.isVariadic() || UseOp.isImplicit() ||  in foldOperand()
1065   if (UseOp.getSubReg() && AMDGPU::getRegBitWidth(*FoldRC) == 64) {  in foldOperand()
1066     Register UseReg = UseOp.getReg();  in foldOperand()
1072     if (UseOp.getSubReg() == AMDGPU::sub0) {  in foldOperand()
1075       assert(UseOp.getSubReg() == AMDGPU::sub1);  in foldOperand()