236   int calcInstrDist(const MachineInstr &First, const MachineInstr &Last);
256   bool isReplaceable(const MachineInstr &First, const MachineInstr &Last,
284                                    const MachineInstr &Last) {  in calcInstrDist()  argument
287   assert(Last.getParent() == First.getParent() &&  in calcInstrDist()
290          InstrPos.find(&Last) != InstrPos.end() &&  in calcInstrDist()
293   return InstrPos[&Last] - InstrPos[&First];  in calcInstrDist()
389                                     const MachineInstr &Last,  in isReplaceable()  argument
391   assert(isLEA(First) && isLEA(Last) &&  in isReplaceable()
395   AddrDispShift = getAddrDispShift(Last, 1, First, 1);  in isReplaceable()
402       MRI->getRegClass(Last.getOperand(0).getReg()))  in isReplaceable()
408   for (auto &MO : MRI->use_operands(Last.getOperand(0).getReg())) {  in isReplaceable()
551         MachineInstr &Last = **I2;  in removeRedundantLEAs()  local
556         assert(calcInstrDist(First, Last) > 0 &&  in removeRedundantLEAs()
560         if (!isReplaceable(First, Last, AddrDispShift)) {  in removeRedundantLEAs()
568         for (auto UI = MRI->use_begin(Last.getOperand(0).getReg()),  in removeRedundantLEAs()
595         DEBUG(dbgs() << "OptimizeLEAs: Remove redundant LEA: "; Last.dump(););  in removeRedundantLEAs()
599         assert(MRI->use_empty(Last.getOperand(0).getReg()) &&  in removeRedundantLEAs()
601         Last.eraseFromParent();  in removeRedundantLEAs()