183   class BBState {  class
210     BBState() = default;
289     void InitFromPred(const BBState &Other);
290     void InitFromSucc(const BBState &Other);
291     void MergePred(const BBState &Other);
292     void MergeSucc(const BBState &Other);
328 const unsigned BBState::OverflowOccurredValue = 0xffffffff;
333                         BBState &BBState) LLVM_ATTRIBUTE_UNUSED;
337 void BBState::InitFromPred(const BBState &Other) {  in InitFromPred()
342 void BBState::InitFromSucc(const BBState &Other) {  in InitFromSucc()
349 void BBState::MergePred(const BBState &Other) {  in MergePred()
392 void BBState::MergeSucc(const BBState &Other) {  in MergeSucc()
434 raw_ostream &llvm::operator<<(raw_ostream &OS, BBState &BBInfo) {  in operator <<()
525                           DenseMap<const BasicBlock *, BBState> &BBStates,
526                           BBState &MyStates) const;
529                                 BBState &MyStates);
531                      DenseMap<const BasicBlock *, BBState> &BBStates,
534       Instruction *Inst, DenseMap<Value *, RRInfo> &Releases, BBState &MyStates,
538       BasicBlock *BB, DenseMap<const BasicBlock *, BBState> &BBStates,
542   bool Visit(Function &F, DenseMap<const BasicBlock *, BBState> &BBStates,
551   bool PairUpRetainsAndReleases(DenseMap<const BasicBlock *, BBState> &BBStates,
560   bool PerformCodePlacement(DenseMap<const BasicBlock *, BBState> &BBStates,
1240                                DenseMap<const BasicBlock *, BBState> &BBStates,  in CheckForCFGHazards()
1241                                BBState &MyStates) const {  in CheckForCFGHazards()
1266       const DenseMap<const BasicBlock *, BBState>::iterator BBI =  in CheckForCFGHazards()
1328     BBState &MyStates) {  in VisitInstructionBottomUp()
1396                                DenseMap<const BasicBlock *, BBState> &BBStates,  in VisitBottomUp()
1401   BBState &MyStates = BBStates[BB];  in VisitBottomUp()
1405   BBState::edge_iterator SI(MyStates.succ_begin()),  in VisitBottomUp()
1409     DenseMap<const BasicBlock *, BBState>::iterator I = BBStates.find(Succ);  in VisitBottomUp()
1448   for (BBState::edge_iterator PI(MyStates.pred_begin()),  in VisitBottomUp()
1493     Instruction *Inst, DenseMap<Value *, RRInfo> &Releases, BBState &MyStates,  in VisitInstructionTopDown()
1579     BasicBlock *BB, DenseMap<const BasicBlock *, BBState> &BBStates,  in VisitTopDown()
1585   BBState &MyStates = BBStates[BB];  in VisitTopDown()
1589   BBState::edge_iterator PI(MyStates.pred_begin()),  in VisitTopDown()
1593     DenseMap<const BasicBlock *, BBState>::iterator I = BBStates.find(Pred);  in VisitTopDown()
1645                   DenseMap<const BasicBlock *, BBState> &BBStates) {  in ComputePostOrders()
1656   BBState &MyStates = BBStates[EntryBB];  in ComputePostOrders()
1673         BBState &SuccStates = BBStates[SuccBB];  in ComputePostOrders()
1694   SmallVector<std::pair<BasicBlock *, BBState::edge_iterator>, 16> PredStack;  in ComputePostOrders()
1696     BBState &MyStates = BBStates[&ExitBB];  in ComputePostOrders()
1706       BBState::edge_iterator PE = BBStates[PredStack.back().first].pred_end();  in ComputePostOrders()
1721                        DenseMap<const BasicBlock *, BBState> &BBStates,  in Visit()
1825     DenseMap<const BasicBlock *, BBState> &BBStates,  in PairUpRetainsAndReleases()
1872           const BBState &NRRBBState = BBStates[NewRetainRelease->getParent()];  in PairUpRetainsAndReleases()
1873           unsigned PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1876           assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1903                 const BBState &RIPBBState = BBStates[RIP->getParent()];  in PairUpRetainsAndReleases()
1904                 PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1907                 assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1944           const BBState &NRRBBState = BBStates[NewReleaseRetain->getParent()];  in PairUpRetainsAndReleases()
1945           unsigned PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1948           assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1960                 const BBState &RIPBBState = BBStates[RIP->getParent()];  in PairUpRetainsAndReleases()
1962                 PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1965                 assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
2024     DenseMap<const BasicBlock *, BBState> &BBStates,  in PerformCodePlacement()
2255   DenseMap<const BasicBlock *, BBState> BBStates;  in OptimizeSequences()