209     MachineRegisterInfo::def_instr_iterator Def =  in isProfitableToTransform()  local
211     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in isProfitableToTransform()
212     MachineOperand *MOSrc0 = getSrcFromCopy(&*Def, MRI, SubReg0);  in isProfitableToTransform()
222     MachineRegisterInfo::def_instr_iterator Def =  in isProfitableToTransform()  local
224     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in isProfitableToTransform()
225     MachineOperand *MOSrc1 = getSrcFromCopy(&*Def, MRI, SubReg1);  in isProfitableToTransform()
302     MachineRegisterInfo::def_instr_iterator Def =  in transformInstruction()  local
304     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in transformInstruction()
305     MachineOperand *MOSrc0 = getSrcFromCopy(&*Def, MRI, SubReg0);  in transformInstruction()
315         Def->eraseFromParent();  in transformInstruction()
321     MachineRegisterInfo::def_instr_iterator Def =  in transformInstruction()  local
323     assert(std::next(Def) == MRI->def_instr_end() && "Multiple def in SSA!");  in transformInstruction()
324     MachineOperand *MOSrc1 = getSrcFromCopy(&*Def, MRI, SubReg1);  in transformInstruction()
334         Def->eraseFromParent();  in transformInstruction()