Lines Matching defs:MBB

51 void ReachingDefAnalysis::enterBasicBlock(MachineBasicBlock *MBB) {
52   unsigned MBBNumber = MBB->getNumber();
60   // Set up LiveRegs to represent registers entering MBB.
66   if (MBB->pred_empty()) {
67     for (const auto &LI : MBB->liveins()) {
78     LLVM_DEBUG(dbgs() << printMBBReference(*MBB) << ": entry\n");
83   for (MachineBasicBlock *pred : MBB->predecessors()) {
103 void ReachingDefAnalysis::leaveBasicBlock(MachineBasicBlock *MBB) {
105   unsigned MBBNumber = MBB->getNumber();
108   // Save register clearances at end of MBB - used by enterBasicBlock().
147 void ReachingDefAnalysis::reprocessBasicBlock(MachineBasicBlock *MBB) {
148   unsigned MBBNumber = MBB->getNumber();
154     instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end());
159   for (MachineBasicBlock *pred : MBB->predecessors()) {
194   MachineBasicBlock *MBB = TraversedMBB.MBB;
195   LLVM_DEBUG(dbgs() << printMBBReference(*MBB)
200     // Reprocess MBB that is part of a loop.
201     reprocessBasicBlock(MBB);
205   enterBasicBlock(MBB);
207        instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end()))
209   leaveBasicBlock(MBB);
300 MachineInstr *ReachingDefAnalysis::getInstFromId(MachineBasicBlock *MBB,
302   assert(static_cast<size_t>(MBB->getNumber()) < MBBReachingDefs.size() &&
304   assert(InstId < static_cast<int>(MBB->size()) &&
310   for (auto &MI : *MBB) {
333   MachineBasicBlock *MBB = Def->getParent();
335   while (++MI != MBB->end()) {
355 bool ReachingDefAnalysis::getLiveInUses(MachineBasicBlock *MBB,
359        instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end())) {
368   auto Last = MBB->getLastNonDebugInstr();
369   if (Last == MBB->end())
376   MachineBasicBlock *MBB = MI->getParent();
386     SmallVector<MachineBasicBlock *, 4> ToVisit(MBB->successors());
389       MachineBasicBlock *MBB = ToVisit.pop_back_val();
390       if (Visited.count(MBB) || !MBB->isLiveIn(PhysReg))
392       if (getLiveInUses(MBB, PhysReg, Uses))
393         llvm::append_range(ToVisit, MBB->successors());
394       Visited.insert(MBB);
407   for (auto *MBB : MI->getParent()->predecessors())
408     getLiveOuts(MBB, PhysReg, Defs);
411 void ReachingDefAnalysis::getLiveOuts(MachineBasicBlock *MBB,
414   getLiveOuts(MBB, PhysReg, Defs, VisitedBBs);
417 void ReachingDefAnalysis::getLiveOuts(MachineBasicBlock *MBB,
420   if (VisitedBBs.count(MBB))
423   VisitedBBs.insert(MBB);
425   LiveRegs.addLiveOuts(*MBB);
429   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))
432     for (auto *Pred : MBB->predecessors())
471   MachineBasicBlock *MBB = MI->getParent();
473   LiveRegs.addLiveOuts(*MBB);
482        instructionsWithoutDebug(MBB->instr_rbegin(), MBB->instr_rend())) {
492   MachineBasicBlock *MBB = MI->getParent();
493   auto Last = MBB->getLastNonDebugInstr();
494   if (Last != MBB->end() &&
498   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))
506   MachineBasicBlock *MBB = MI->getParent();
508   LiveRegs.addLiveOuts(*MBB);
512   auto Last = MBB->getLastNonDebugInstr();
514   if (Last != MBB->end() && getReachingDef(&*Last, PhysReg) != Def)
526 ReachingDefAnalysis::getLocalLiveOutMIDef(MachineBasicBlock *MBB,
529   LiveRegs.addLiveOuts(*MBB);
533   auto Last = MBB->getLastNonDebugInstr();
534   if (Last == MBB->end())
542   return Def < 0 ? nullptr : getInstFromId(MBB, Def);
699   MachineBasicBlock *MBB = MI->getParent();
703     for (auto E = MBB->end(); I != E; ++I) {