334 class VPBlockBase {
348   SmallVector<VPBlockBase *, 1> Predecessors;
351   SmallVector<VPBlockBase *, 1> Successors;
357   void appendSuccessor(VPBlockBase *Successor) {  in appendSuccessor()
363   void appendPredecessor(VPBlockBase *Predecessor) {  in appendPredecessor()
369   void removePredecessor(VPBlockBase *Predecessor) {  in removePredecessor()
376   void removeSuccessor(VPBlockBase *Successor) {  in removeSuccessor()
383   VPBlockBase(const unsigned char SC, const std::string &N)  in VPBlockBase()  function
393   using VPBlocksTy = SmallVectorImpl<VPBlockBase *>;
395   virtual ~VPBlockBase() = default;
431   VPBlockBase *getSingleSuccessor() const {  in getSingleSuccessor()
437   VPBlockBase *getSinglePredecessor() const {  in getSinglePredecessor()
448   VPBlockBase *getEnclosingBlockWithSuccessors();
453   VPBlockBase *getEnclosingBlockWithPredecessors();
467   VPBlockBase *getSingleHierarchicalSuccessor() {  in getSingleHierarchicalSuccessor()
483   VPBlockBase *getSingleHierarchicalPredecessor() {  in getSingleHierarchicalPredecessor()
497   void setOneSuccessor(VPBlockBase *Successor) {  in setOneSuccessor()
506   void setTwoSuccessors(VPBlockBase *IfTrue, VPBlockBase *IfFalse,  in setTwoSuccessors()
518   void setPredecessors(ArrayRef<VPBlockBase *> NewPreds) {  in setPredecessors()
529   static void deleteCFG(VPBlockBase *Entry);
965 class VPBasicBlock : public VPBlockBase {
975       : VPBlockBase(VPBasicBlockSC, Name.str()) {
1017   static inline bool classof(const VPBlockBase *V) {  in classof()
1018     return V->getVPBlockID() == VPBlockBase::VPBasicBlockSC;  in classof()
1050 class VPRegionBlock : public VPBlockBase {
1053   VPBlockBase *Entry;
1056   VPBlockBase *Exit;
1063   VPRegionBlock(VPBlockBase *Entry, VPBlockBase *Exit,
1065       : VPBlockBase(VPRegionBlockSC, Name), Entry(Entry), Exit(Exit),  in VPBlockBase()  function
1073       : VPBlockBase(VPRegionBlockSC, Name), Entry(nullptr), Exit(nullptr),  in VPBlockBase()  function
1082   static inline bool classof(const VPBlockBase *V) {  in classof()
1083     return V->getVPBlockID() == VPBlockBase::VPRegionBlockSC;  in classof()
1086   const VPBlockBase *getEntry() const { return Entry; }  in getEntry()
1087   VPBlockBase *getEntry() { return Entry; }  in getEntry()
1091   void setEntry(VPBlockBase *EntryBlock) {  in setEntry()
1102   VPBlockBase &front() const { return *Entry; }  in front()
1104   const VPBlockBase *getExit() const { return Exit; }  in getExit()
1105   VPBlockBase *getExit() { return Exit; }  in getExit()
1109   void setExit(VPBlockBase *ExitBlock) {  in setExit()
1135   VPBlockBase *Entry;
1165   VPlan(VPBlockBase *Entry = nullptr) : Entry(Entry) {}  in Entry()
1169       VPBlockBase::deleteCFG(Entry);  in ~VPlan()
1184   VPBlockBase *getEntry() { return Entry; }  in getEntry()
1185   const VPBlockBase *getEntry() const { return Entry; }  in getEntry()
1187   VPBlockBase *setEntry(VPBlockBase *Block) { return Entry = Block; }  in setEntry()
1253   SmallDenseMap<const VPBlockBase *, unsigned> BlockID;
1261   void dumpBlock(const VPBlockBase *Block);
1265   void dumpEdges(const VPBlockBase *Block);
1274   unsigned getOrCreateBID(const VPBlockBase *Block) {  in getOrCreateBID()
1278   const Twine getOrCreateName(const VPBlockBase *Block);
1280   const Twine getUID(const VPBlockBase *Block);
1283   void drawEdge(const VPBlockBase *From, const VPBlockBase *To, bool Hidden,
1318 template <> struct GraphTraits<VPBlockBase *> {
1319   using NodeRef = VPBlockBase *;
1320   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::iterator;
1333 template <> struct GraphTraits<const VPBlockBase *> {
1334   using NodeRef = const VPBlockBase *;
1335   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::const_iterator;
1350 template <> struct GraphTraits<Inverse<VPBlockBase *>> {
1351   using NodeRef = VPBlockBase *;
1352   using ChildIteratorType = SmallVectorImpl<VPBlockBase *>::iterator;
1373 struct GraphTraits<VPRegionBlock *> : public GraphTraits<VPBlockBase *> {
1392     : public GraphTraits<const VPBlockBase *> {
1411     : public GraphTraits<Inverse<VPBlockBase *>> {
1444   static void insertBlockAfter(VPBlockBase *NewBlock, VPBlockBase *BlockPtr) {
1461   static void insertTwoBlocksAfter(VPBlockBase *IfTrue, VPBlockBase *IfFalse,
1462                                    VPValue *Condition, VPBlockBase *BlockPtr) {
1478   static void connectBlocks(VPBlockBase *From, VPBlockBase *To) {
1489   static void disconnectBlocks(VPBlockBase *From, VPBlockBase *To) {
1512   void visitBlock(VPBlockBase *Block, Old2NewTy &Old2New,