| //===-- lib/CodeGen/GlobalISel/GISelChangeObserver.cpp --------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file constains common code to combine machine functions at generic |
| // level. |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h" |
| #include "llvm/CodeGen/MachineRegisterInfo.h" |
| |
| using namespace llvm; |
| |
| void GISelChangeObserver::changingAllUsesOfReg( |
| const MachineRegisterInfo &MRI, unsigned Reg) { |
| for (auto &ChangingMI : MRI.use_instructions(Reg)) { |
| changingInstr(ChangingMI); |
| ChangingAllUsesOfReg.insert(&ChangingMI); |
| } |
| } |
| |
| void GISelChangeObserver::finishedChangingAllUsesOfReg() { |
| for (auto *ChangedMI : ChangingAllUsesOfReg) |
| changedInstr(*ChangedMI); |
| } |
| |