C++ (Cpp) TargetInstrInfo::reMaterialize示例

示例#1

SlotIndex LiveRangeEdit::rematerializeAt(MachineBasicBlock &MBB,
                                         MachineBasicBlock::iterator MI,
                                         unsigned DestReg,
                                         const Remat &RM,
                                         LiveIntervals &lis,
                                         const TargetInstrInfo &tii,
                                         const TargetRegisterInfo &tri,
                                         bool Late) {
  assert(RM.OrigMI && "Invalid remat");
  tii.reMaterialize(MBB, MI, DestReg, 0, RM.OrigMI, tri);
  rematted_.insert(RM.ParentVNI);
  return lis.getSlotIndexes()->insertMachineInstrInMaps(--MI, Late)
           .getDefIndex();
}