505                                   const BasicBlockState *BBS,
519   static void transferBlock(const BasicBlock *BB, BasicBlockState &BBS,
550       BasicBlockState *BBS = new (BSAllocator.Allocate()) BasicBlockState;  in GCPtrTracker()  local
552         transferInstruction(I, BBS->Cleared, BBS->Contribution);  in GCPtrTracker()
553       BlockMap[&BB] = BBS;  in GCPtrTracker()
590     BasicBlockState *BBS = Tracker.getBasicBlockState(BB);  in verifyFunction()  local
591     if (!BBS)  in verifyFunction()
596     AvailableValueSet &AvailableSet = BBS->AvailableIn;  in verifyFunction()
623     BasicBlockState *BBS = getBasicBlockState(BB);  in recalculateBBsStates()  local
624     if (!BBS)  in recalculateBBsStates()
627     size_t OldInCount = BBS->AvailableIn.size();  in recalculateBBsStates()
632         set_intersect(BBS->AvailableIn, PBBS->AvailableOut);  in recalculateBBsStates()
635     assert(OldInCount >= BBS->AvailableIn.size() && "invariant!");  in recalculateBBsStates()
637     bool InputsChanged = OldInCount != BBS->AvailableIn.size();  in recalculateBBsStates()
639         removeValidUnrelocatedDefs(BB, BBS, BBS->Contribution);  in recalculateBBsStates()
643     size_t OldOutCount = BBS->AvailableOut.size();  in recalculateBBsStates()
644     transferBlock(BB, *BBS, ContributionChanged);  in recalculateBBsStates()
645     if (OldOutCount != BBS->AvailableOut.size()) {  in recalculateBBsStates()
646       assert(OldOutCount > BBS->AvailableOut.size() && "invariant!");  in recalculateBBsStates()
653                                               const BasicBlockState *BBS,  in removeValidUnrelocatedDefs()  argument
655   assert(&BBS->Contribution == &Contribution &&  in removeValidUnrelocatedDefs()
657   AvailableValueSet AvailableSet = BBS->AvailableIn;  in removeValidUnrelocatedDefs()
748     auto BBS = getBasicBlockState(DTN->getBlock());  in gatherDominatingDefs()  local
749     assert(BBS && "immediate dominator cannot be dead for a live block");  in gatherDominatingDefs()
750     const auto &Defs = BBS->Contribution;  in gatherDominatingDefs()
756     if (BBS->Cleared)  in gatherDominatingDefs()
765 void GCPtrTracker::transferBlock(const BasicBlock *BB, BasicBlockState &BBS,  in transferBlock()  argument
767   const AvailableValueSet &AvailableIn = BBS.AvailableIn;  in transferBlock()
768   AvailableValueSet &AvailableOut = BBS.AvailableOut;  in transferBlock()
770   if (BBS.Cleared) {  in transferBlock()
773       AvailableOut = BBS.Contribution;  in transferBlock()
777     AvailableValueSet Temp = BBS.Contribution;  in transferBlock()