Lines Matching refs:Def

1 //===---- ReachingDefAnalysis.cpp - Reaching Def Analysis ---*- C++ -*-----===//
111   // While processing the basic block, we kept `Def` relative to the start
168       int Def = Incoming[Unit];
169       if (Def == ReachingDefDefaultVal)
174         if (*Start >= Def)
178         *Start = Def;
181         MBBReachingDefs[MBBNumber][Unit].insert(Start, Def);
186       if (MBBOutRegsInfos[MBBNumber][Unit] < Def - NumInsts)
187         MBBOutRegsInfos[MBBNumber][Unit] = Def - NumInsts;
253       for (int Def : RegUnitDefs) {
254         assert(Def > LastDef && "Defs must be sorted and unique");
255         LastDef = Def;
272     for (int Def : MBBReachingDefs[MBBNumber][Unit]) {
273       if (Def >= InstId)
275       DefRes = Def;
330 void ReachingDefAnalysis::getReachingLocalUses(MachineInstr *Def,
333   MachineBasicBlock *MBB = Def->getParent();
334   MachineBasicBlock::iterator MI = MachineBasicBlock::iterator(Def);
340     // of 'Def'.
341     if (getReachingLocalMIDef(&*MI, PhysReg) != Def)
402   if (auto *Def = getUniqueReachingMIDef(MI, PhysReg)) {
403     Defs.insert(Def);
429   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))
430     Defs.insert(Def);
498   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))
499     return Def == getReachingLocalMIDef(MI, PhysReg);
513   int Def = getReachingDef(MI, PhysReg);
514   if (Last != MBB->end() && getReachingDef(&*Last, PhysReg) != Def)
537   int Def = getReachingDef(&*Last, PhysReg);
542   return Def < 0 ? nullptr : getInstFromId(MBB, Def);
651   auto IsDead = [this, &Dead](MachineInstr *Def, MCRegister PhysReg) {
652     if (mayHaveSideEffects(*Def))
656     for (auto &MO : Def->operands()) {
667     getGlobalUses(Def, PhysReg, Uses);
674     if (MachineInstr *Def = getMIOperand(MI, MO))
675       if (IsDead(Def, MO.getReg()))
676         collectKilledOperands(Def, Dead);
690     if (auto *Def = getReachingLocalMIDef(MI, PhysReg)) {
692       getGlobalUses(Def, PhysReg, Uses);