210     MachineRegisterInfo::def_instr_iterator Def =  in isProfitableToTransform()  local
212     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in isProfitableToTransform()
213     MachineOperand *MOSrc0 = getSrcFromCopy(&*Def, MRI, SubReg0);  in isProfitableToTransform()
223     MachineRegisterInfo::def_instr_iterator Def =  in isProfitableToTransform()  local
225     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in isProfitableToTransform()
226     MachineOperand *MOSrc1 = getSrcFromCopy(&*Def, MRI, SubReg1);  in isProfitableToTransform()
303     MachineRegisterInfo::def_instr_iterator Def =  in transformInstruction()  local
305     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in transformInstruction()
306     MachineOperand *MOSrc0 = getSrcFromCopy(&*Def, MRI, SubReg0);  in transformInstruction()
316         Def->eraseFromParent();  in transformInstruction()
322     MachineRegisterInfo::def_instr_iterator Def =  in transformInstruction()  local
324     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in transformInstruction()
325     MachineOperand *MOSrc1 = getSrcFromCopy(&*Def, MRI, SubReg1);  in transformInstruction()
335         Def->eraseFromParent();  in transformInstruction()