385 class VPBlockBase {
398   SmallVector<VPBlockBase *, 1> Predecessors;
401   SmallVector<VPBlockBase *, 1> Successors;
408   void appendSuccessor(VPBlockBase *Successor) {  in appendSuccessor()
414   void appendPredecessor(VPBlockBase *Predecessor) {  in appendPredecessor()
420   void removePredecessor(VPBlockBase *Predecessor) {  in removePredecessor()
427   void removeSuccessor(VPBlockBase *Successor) {  in removeSuccessor()
434   VPBlockBase(const unsigned char SC, const std::string &N)  in VPBlockBase()  function
444   using VPBlocksTy = SmallVectorImpl<VPBlockBase *>;
446   virtual ~VPBlockBase() = default;
485   iterator_range<VPBlockBase **> successors() { return Successors; }  in successors()
492   VPBlockBase *getSingleSuccessor() const {  in getSingleSuccessor()
498   VPBlockBase *getSinglePredecessor() const {  in getSinglePredecessor()
509   VPBlockBase *getEnclosingBlockWithSuccessors();
514   VPBlockBase *getEnclosingBlockWithPredecessors();
528   VPBlockBase *getSingleHierarchicalSuccessor() {  in getSingleHierarchicalSuccessor()
544   VPBlockBase *getSingleHierarchicalPredecessor() {  in getSingleHierarchicalPredecessor()
551   void setOneSuccessor(VPBlockBase *Successor) {  in setOneSuccessor()
560   void setTwoSuccessors(VPBlockBase *IfTrue, VPBlockBase *IfFalse) {  in setTwoSuccessors()
569   void setPredecessors(ArrayRef<VPBlockBase *> NewPreds) {  in setPredecessors()
586   static void deleteCFG(VPBlockBase *Entry);
2019 class VPBasicBlock : public VPBlockBase {
2029       : VPBlockBase(VPBasicBlockSC, Name.str()) {
2074   static inline bool classof(const VPBlockBase *V) {  in classof()
2075     return V->getVPBlockID() == VPBlockBase::VPBasicBlockSC;  in classof()
2118   using VPBlockBase::print; // Get the print(raw_stream &O) version.
2143 class VPRegionBlock : public VPBlockBase {
2145   VPBlockBase *Entry;
2149   VPBlockBase *Exiting;
2156   VPRegionBlock(VPBlockBase *Entry, VPBlockBase *Exiting,
2158       : VPBlockBase(VPRegionBlockSC, Name), Entry(Entry), Exiting(Exiting),  in VPBlockBase()  function
2166       : VPBlockBase(VPRegionBlockSC, Name), Entry(nullptr), Exiting(nullptr),  in VPBlockBase()  function
2178   static inline bool classof(const VPBlockBase *V) {  in classof()
2179     return V->getVPBlockID() == VPBlockBase::VPRegionBlockSC;  in classof()
2182   const VPBlockBase *getEntry() const { return Entry; }  in getEntry()
2183   VPBlockBase *getEntry() { return Entry; }  in getEntry()
2187   void setEntry(VPBlockBase *EntryBlock) {  in setEntry()
2198   VPBlockBase &front() const { return *Entry; }  in front()
2200   const VPBlockBase *getExiting() const { return Exiting; }  in getExiting()
2201   VPBlockBase *getExiting() { return Exiting; }  in getExiting()
2205   void setExiting(VPBlockBase *ExitingBlock) {  in setExiting()
2237   using VPBlockBase::print; // Get the print(raw_stream &O) version.
2251 template <> struct GraphTraits<VPBlockBase *> {
2252   using NodeRef = VPBlockBase *;
2253   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::iterator;
2266 template <> struct GraphTraits<const VPBlockBase *> {
2267   using NodeRef = const VPBlockBase *;
2268   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::const_iterator;
2283 template <> struct GraphTraits<Inverse<VPBlockBase *>> {
2284   using NodeRef = VPBlockBase *;
2285   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::iterator;
2306 struct GraphTraits<VPRegionBlock *> : public GraphTraits<VPBlockBase *> {
2325     : public GraphTraits<const VPBlockBase *> {
2344     : public GraphTraits<Inverse<VPBlockBase *>> {
2371                                   std::forward_iterator_tag, VPBlockBase> {
2425   const VPBlockBase *operator*() const { return deref(Block, SuccessorIdx); }
2456 struct GraphTraits<VPBlockRecursiveTraversalWrapper<VPBlockBase *>> {
2457   using NodeRef = VPBlockBase *;
2458   using ChildIteratorType = VPAllSuccessorsIterator<VPBlockBase *>;
2461   getEntryNode(VPBlockRecursiveTraversalWrapper<VPBlockBase *> N) {
2475 struct GraphTraits<VPBlockRecursiveTraversalWrapper<const VPBlockBase *>> {
2476   using NodeRef = const VPBlockBase *;
2477   using ChildIteratorType = VPAllSuccessorsIterator<const VPBlockBase *>;
2480   getEntryNode(VPBlockRecursiveTraversalWrapper<const VPBlockBase *> N) {
2503   VPBlockBase *Entry;
2542   VPlan(VPBlockBase *Entry = nullptr) : Entry(Entry) {
2552       for (VPBlockBase *Block : depth_first(Entry))
2555       VPBlockBase::deleteCFG(Entry);
2575   VPBlockBase *getEntry() { return Entry; }
2576   const VPBlockBase *getEntry() const { return Entry; }
2578   VPBlockBase *setEntry(VPBlockBase *Block) {
2750   SmallDenseMap<const VPBlockBase *, unsigned> BlockID;
2758   void dumpBlock(const VPBlockBase *Block);
2762   void dumpEdges(const VPBlockBase *Block);
2771   unsigned getOrCreateBID(const VPBlockBase *Block) {
2775   Twine getOrCreateName(const VPBlockBase *Block);
2777   Twine getUID(const VPBlockBase *Block);
2780   void drawEdge(const VPBlockBase *From, const VPBlockBase *To, bool Hidden,
2823   static void insertBlockAfter(VPBlockBase *NewBlock, VPBlockBase *BlockPtr) {
2828     SmallVector<VPBlockBase *> Succs(BlockPtr->successors());
2829     for (VPBlockBase *Succ : Succs) {
2842   static void insertTwoBlocksAfter(VPBlockBase *IfTrue, VPBlockBase *IfFalse,
2843                                    VPBlockBase *BlockPtr) {
2859   static void connectBlocks(VPBlockBase *From, VPBlockBase *To) {
2870   static void disconnectBlocks(VPBlockBase *From, VPBlockBase *To) {
2879   static VPBasicBlock *tryToMergeBlockIntoPredecessor(VPBlockBase *Block) {
2892     SmallVector<VPBlockBase *> Successors(Block->successors());
2908                                   const VPBlockBase, VPBlockBase>::type;
2937   void visitBlock(VPBlockBase *Block, Old2NewTy &Old2New,