77   MachineInstr *tryToCombine(MachineInstr &Ldst);
81                                    const MachineInstr *Ldst);
85   bool canHoistLoadStoreTo(MachineInstr *Ldst, MachineInstr *To);
95   MachineInstr *canJoinInstructions(MachineInstr *Ldst, MachineInstr *Add,
111   void changeToAddrMode(MachineInstr &Ldst, unsigned NewOpcode,
194                                                  const MachineInstr *Ldst) {  in noUseOfAddBeforeLoadOrStore()  argument
196   return dominatesAllUsesOf(Ldst, R, MDT, MRI);  in noUseOfAddBeforeLoadOrStore()
199 MachineInstr *ARCOptAddrMode::tryToCombine(MachineInstr &Ldst) {  in tryToCombine()  argument
200   assert(Ldst.mayLoadOrStore() && "LD/ST instruction expected");  in tryToCombine()
204   LLVM_DEBUG(dbgs() << "[ABAW] tryToCombine " << Ldst);  in tryToCombine()
205   if (!AII->getBaseAndOffsetPosition(Ldst, BasePos, OffsetPos)) {  in tryToCombine()
210   MachineOperand &Base = Ldst.getOperand(BasePos);  in tryToCombine()
211   MachineOperand &Offset = Ldst.getOperand(OffsetPos);  in tryToCombine()
239     MachineInstr *MoveTo = canJoinInstructions(&Ldst, &Add, &Uses);  in tryToCombine()
247     LLVM_DEBUG(MachineInstr *First = &Ldst; MachineInstr *Last = &Add;  in tryToCombine()
254     MachineInstr *Result = Ldst.getNextNode();  in tryToCombine()
256       Ldst.removeFromParent();  in tryToCombine()
257       Add.getParent()->insertAfter(Add.getIterator(), &Ldst);  in tryToCombine()
264     int NewOpcode = ARC::getPostIncOpcode(Ldst.getOpcode());  in tryToCombine()
267     changeToAddrMode(Ldst, NewOpcode, NewBaseReg, Add.getOperand(2));  in tryToCombine()
276 ARCOptAddrMode::canJoinInstructions(MachineInstr *Ldst, MachineInstr *Add,  in canJoinInstructions()  argument
278   assert(Ldst && Add && "NULL instruction passed");  in canJoinInstructions()
281   MachineInstr *Last = Ldst;  in canJoinInstructions()
282   if (MDT->dominates(Ldst, Add))  in canJoinInstructions()
284   else if (!MDT->dominates(Add, Ldst))  in canJoinInstructions()
291   if (!AII->getBaseAndOffsetPosition(*Ldst, BasePos, OffPos)) {  in canJoinInstructions()
298   Register BaseReg = Ldst->getOperand(BasePos).getReg();  in canJoinInstructions()
306   if (Ldst->mayStore() && Ldst->getOperand(0).isReg()) {  in canJoinInstructions()
307     Register StReg = Ldst->getOperand(0).getReg();  in canJoinInstructions()
317     if (&MI == Ldst || &MI == Add)  in canJoinInstructions()
319     if (&MI != Add && MDT->dominates(Ldst, &MI))  in canJoinInstructions()
321     else if (!MDT->dominates(&MI, Ldst))  in canJoinInstructions()
337     } else if (canHoistLoadStoreTo(Ldst, Add)) {  in canJoinInstructions()
349     *Uses = (Result == Ldst) ? UsesAfterLdst : UsesAfterAdd;  in canJoinInstructions()
400 bool ARCOptAddrMode::canHoistLoadStoreTo(MachineInstr *Ldst, MachineInstr *To) {  in canHoistLoadStoreTo()  argument
401   if (Ldst->getParent() != To->getParent())  in canHoistLoadStoreTo()
403   MachineBasicBlock::const_iterator MI(To), ME(Ldst),  in canHoistLoadStoreTo()
404       End(Ldst->getParent()->end());  in canHoistLoadStoreTo()
406   bool IsStore = Ldst->mayStore();  in canHoistLoadStoreTo()
417   for (auto &O : Ldst->explicit_operands()) {  in canHoistLoadStoreTo()
452 void ARCOptAddrMode::changeToAddrMode(MachineInstr &Ldst, unsigned NewOpcode,  in changeToAddrMode()  argument
455   bool IsStore = Ldst.mayStore();  in changeToAddrMode()
458   AII->getBaseAndOffsetPosition(Ldst, BasePos, OffPos);  in changeToAddrMode()
460   Register BaseReg = Ldst.getOperand(BasePos).getReg();  in changeToAddrMode()
462   Ldst.removeOperand(OffPos);  in changeToAddrMode()
463   Ldst.removeOperand(BasePos);  in changeToAddrMode()
466     Src = Ldst.getOperand(BasePos - 1);  in changeToAddrMode()
467     Ldst.removeOperand(BasePos - 1);  in changeToAddrMode()
470   Ldst.setDesc(AST->getInstrInfo()->get(NewOpcode));  in changeToAddrMode()
471   Ldst.addOperand(MachineOperand::CreateReg(NewBase, true));  in changeToAddrMode()
473     Ldst.addOperand(Src);  in changeToAddrMode()
474   Ldst.addOperand(MachineOperand::CreateReg(BaseReg, false));  in changeToAddrMode()
475   Ldst.addOperand(NewOffset);  in changeToAddrMode()
476   LLVM_DEBUG(dbgs() << "[ABAW] New Ldst: " << Ldst);  in changeToAddrMode()