Target/X86/X86ISelDAGToDAG.cpp

4790     unsigned SrcReg, LoReg, HiReg;
4795       SrcReg = LoReg = X86::EAX; HiReg = X86::EDX;
4799       SrcReg = LoReg = X86::RAX; HiReg = X86::RDX;
4847       assert(HiReg && "Register for high half is not defined!");
4848       SDValue ResHi = CurDAG->getCopyFromReg(CurDAG->getEntryNode(), dl, HiReg,
4885     unsigned LoReg, HiReg, ClrReg;
4890       LoReg = X86::AL;  ClrReg = HiReg = X86::AH;
4894       LoReg = X86::AX;  HiReg = X86::DX;
4899       LoReg = X86::EAX; ClrReg = HiReg = X86::EDX;
4903       LoReg = X86::RAX; ClrReg = HiReg = X86::RDX;
4998     if (HiReg == X86::AH && !SDValue(Node, 1).use_empty()) {
5027                                               HiReg, NVT, InFlag);