lib/CodeGen/StackColoring.cpp

475   bool applyFirstUse(int Slot) {
478     if (ConservativeSlots.test(Slot))
571   int Slot = MO.getIndex();
572   if (Slot >= 0)
573     return Slot;
586     int Slot = getStartOrEndSlot(MI);
587     if (Slot < 0)
589     if (!InterestingSlots.test(Slot))
591     slots.push_back(Slot);
596     if (!applyFirstUse(Slot)) {
606         int Slot = MO.getIndex();
607         if (Slot<0)
609         if (InterestingSlots.test(Slot) && applyFirstUse(Slot)) {
610           slots.push_back(Slot);
656         int Slot = getStartOrEndSlot(MI);
657         if (Slot < 0)
659         InterestingSlots.set(Slot);
661           BetweenStartEnd.set(Slot);
662           NumStartLifetimes[Slot] += 1;
664           BetweenStartEnd.reset(Slot);
665           NumEndLifetimes[Slot] += 1;
667         const AllocaInst *Allocation = MFI->getObjectAllocation(Slot);
673           LLVM_DEBUG(dbgs() << " marker for slot #" << Slot);
683           int Slot = MO.getIndex();
684           if (Slot < 0)
686           if (! BetweenStartEnd.test(Slot)) {
687             ConservativeSlots.set(Slot);
741           int Slot = slots[0];
742           if (BlockInfo.Begin.test(Slot)) {
743             BlockInfo.Begin.reset(Slot);
745           BlockInfo.End.set(Slot);
747           for (auto Slot : slots) {
748             LLVM_DEBUG(dbgs() << "Found a use of slot #" << Slot);
752             const AllocaInst *Allocation = MFI->getObjectAllocation(Slot);
758             if (BlockInfo.End.test(Slot)) {
759               BlockInfo.End.reset(Slot);
761             BlockInfo.Begin.set(Slot);
851       for (auto Slot : slots) {
856           if (!DefinitelyInUse[Slot]) {
857             LiveStarts[Slot].push_back(ThisIndex);
858             DefinitelyInUse[Slot] = true;
860           if (!Starts[Slot].isValid())
861             Starts[Slot] = ThisIndex;
863           if (Starts[Slot].isValid()) {
864             VNInfo *VNI = Intervals[Slot]->getValNumInfo(0);
865             Intervals[Slot]->addSegment(
866                 LiveInterval::Segment(Starts[Slot], ThisIndex, VNI));
867             Starts[Slot] = SlotIndex(); // Invalidate the start index
868             DefinitelyInUse[Slot] = false;
907     int Slot = VI.getStackSlot();
908     if (SlotRemap.count(Slot)) {
911       VI.updateStackSlot(SlotRemap[Slot]);
1140         int Slot = MO.getIndex();
1142         if (Slot<0)
1145         if (Intervals[Slot]->empty())
1150         LiveInterval *Interval = &*Intervals[Slot];
1154           LLVM_DEBUG(dbgs() << "Invalidating range #" << Slot << "\n");
1207   LLVM_DEBUG(dbgs() << "Slot structure:\n");
1210     LLVM_DEBUG(dbgs() << "Slot #" << i << " - " << MFI->getObjectSize(i)