Target/Hexagon/HexagonOptAddrMode.cpp

92   bool xformUseMI(MachineInstr *TfrMI, MachineInstr *UseMI,
96   bool updateAddUses(MachineInstr *AddMI, MachineInstr *UseMI);
189     MachineInstr &UseMI = *NodeAddr<StmtNode *>(IA).Addr->getCode();
193         MI.getParent() != UseMI.getParent())
196     const MCInstrDesc &UseMID = UseMI.getDesc();
198         HII->getAddrMode(UseMI) != HexagonII::BaseImmOffset ||
199         getBaseWithLongOffset(UseMI) < 0)
203     if (UseMID.mayStore() && UseMI.getOperand(2).isReg() &&
204         UseMI.getOperand(2).getReg() == MI.getOperand(0).getReg())
207     for (auto &Mo : UseMI.operands())
322     MachineInstr *UseMI = NodeAddr<StmtNode *>(IA).Addr->getCode();
326         MI->getParent() != UseMI->getParent())
472     MachineInstr *UseMI = OwnerN.Addr->getCode();
473     LLVM_DEBUG(dbgs() << "\t\t[MI <BB#" << UseMI->getParent()->getNumber()
474                       << ">]: " << *UseMI << "\n");
475     Changed |= updateAddUses(AddMI, UseMI);
491                                        MachineInstr *UseMI) {
496   MachineOperand &BaseOp = UseMI->getOperand(getBaseOpPosition(UseMI));
497   MachineOperand &OffsetOp = UseMI->getOperand(getOffsetOpPosition(UseMI));
699     MachineInstr *UseMI = UseIA.Addr->getCode();
700     LLVM_DEBUG(dbgs() << "[MI <" << printMBBReference(*UseMI->getParent())
701                       << ">]: " << *UseMI << "\n");
702     const MCInstrDesc &UseMID = UseMI->getDesc();
703     assert(HII->getAddrMode(*UseMI) == HexagonII::BaseImmOffset);
705     auto UsePos = MachineBasicBlock::iterator(UseMI);
707     short NewOpCode = getBaseWithLongOffset(*UseMI);
711     unsigned OpEnd = UseMI->getNumOperands();
713     MachineBasicBlock *BB = UseMI->getParent();
715         BuildMI(*BB, InsertPt, UseMI->getDebugLoc(), HII->get(NewOpCode));
718       MIB.add(UseMI->getOperand(0));
722       MIB.addGlobalAddress(GV, UseMI->getOperand(2).getImm()+ImmOp.getOffset(),
729       MIB.addGlobalAddress(GV, UseMI->getOperand(1).getImm()+ImmOp.getOffset(),
731       MIB.add(UseMI->getOperand(2));
737       MIB.add(UseMI->getOperand(i));
739     Deleted.insert(UseMI);
745 bool HexagonOptAddrMode::xformUseMI(MachineInstr *TfrMI, MachineInstr *UseMI,
749   const MCInstrDesc &MID = UseMI->getDesc();
752     Changed = changeLoad(UseMI, ImmOp, UseMOnum);
754     Changed = changeStore(UseMI, ImmOp, UseMOnum);
755   else if (UseMI->getOpcode() == Hexagon::S2_addasl_rrri)
756     Changed = changeAddAsl(UseN, UseMI, ImmOp, UseMOnum);
759     Deleted.insert(UseMI);
826       MachineInstr *UseMI = OwnerN.Addr->getCode();
827       LLVM_DEBUG(dbgs() << "\t\t[MI <" << printMBBReference(*UseMI->getParent())
828                         << ">]: " << *UseMI << "\n");
831       unsigned NumOperands = UseMI->getNumOperands();
833         const MachineOperand &op = UseMI->getOperand(j);
841       // Change UseMI if replacement is possible. If any replacement failed,
844       if (UseMOnum >= 0 && InstrEvalResult[UseMI])
845         Xformed = xformUseMI(MI, UseMI, UseN, UseMOnum);