Lines Matching defs:Def0

86   MachineInstr *Def0 = nullptr;
159         if (Def0)
161         Def0 = &I;
188   if (!Def0 || !Def1 || Def0->getParent() != Def1->getParent())
191   LLVM_DEBUG(dbgs() << "Combining:\n  " << *Def0 << "  " << *Def1
195                                 LIS->getInstructionIndex(*Def0)))
196     std::swap(Def0, Def1);
198   LIS->RemoveMachineInstrFromMaps(*Def0);
200   auto NewI = BuildMI(*Def0->getParent(), *Def0, Def0->getDebugLoc(),
204   Def0->eraseFromParent();