266   MachineOperand *const Head = HeadRef;  in addRegOperandToUseList()  local
273   if (!Head) {  in addRegOperandToUseList()
279   assert(MO->getReg() == Head->getReg() && "Different regs on the same list!");  in addRegOperandToUseList()
282   MachineOperand *Last = Head->Contents.Reg.Prev;  in addRegOperandToUseList()
285   Head->Contents.Reg.Prev = MO;  in addRegOperandToUseList()
292     MO->Contents.Reg.Next = Head;  in addRegOperandToUseList()
305   MachineOperand *const Head = HeadRef;  in removeRegOperandFromUseList()  local
306   assert(Head && "List already empty");  in removeRegOperandFromUseList()
313   if (MO == Head)  in removeRegOperandFromUseList()
318   (Next ? Next : Head)->Contents.Reg.Prev = Prev;  in removeRegOperandFromUseList()
350       MachineOperand *&Head = getRegUseDefListHead(Src->getReg());  in moveOperands()  local
353       assert(Head && "List empty, but operand is chained");  in moveOperands()
358       if (Src == Head)  in moveOperands()
359         Head = Dst;  in moveOperands()
365       (Next ? Next : Head)->Contents.Reg.Prev = Dst;  in moveOperands()