Lines Matching defs:DefMI

72                                           const MachineInstr *DefMI) {
73   assert(DefMI && "Missing instruction");
75   if (!TII.isTriviallyReMaterializable(*DefMI))
90     MachineInstr *DefMI = LIS.getInstructionFromIndex(OrigVNI->def);
91     if (!DefMI)
93     checkRematerializable(OrigVNI, DefMI);
209   MachineInstr *DefMI = nullptr, *UseMI = nullptr;
215       if (DefMI && DefMI != MI)
219       DefMI = MI;
229   if (!DefMI || !UseMI)
232   // Since we're moving the DefMI load, make sure we're not extending any live
234   if (!allUsesAvailableAt(DefMI, LIS.getInstructionIndex(*DefMI),
239   // Assume there are stores between DefMI and UseMI.
241   if (!DefMI->isSafeToMove(SawStore))
244   LLVM_DEBUG(dbgs() << "Try to fold single def: " << *DefMI
251   MachineInstr *FoldMI = TII.foldMemoryOperand(*UseMI, Ops, *DefMI, &LIS);
260   DefMI->addRegisterDead(LI->reg(), nullptr);
261   Dead.push_back(DefMI);