67 using BlockSet = SmallPtrSet<MachineBasicBlock *, 4>;  typedef
69 static BlockVector getSortedEntries(const BlockSet &Entries) {  in getSortedEntries()
85   ReachabilityGraph(MachineBasicBlock *Entry, const BlockSet &Blocks)  in ReachabilityGraph()
110   const BlockSet &getLoopers() const { return Loopers; }  in getLoopers()
113   const BlockSet &getLoopEntries() const { return LoopEntries; }  in getLoopEntries()
116   const BlockSet &getLoopEnterers(MachineBasicBlock *LoopEntry) const {  in getLoopEnterers()
125   const BlockSet &Blocks;
127   BlockSet Loopers, LoopEntries;
128   DenseMap<MachineBasicBlock *, BlockSet> LoopEnterers;
133   DenseMap<MachineBasicBlock *, BlockSet> Reachable;
193   LoopBlocks(MachineBasicBlock *Entry, const BlockSet &Enterers)  in LoopBlocks()
198   BlockSet &getBlocks() { return Blocks; }  in getBlocks()
202   const BlockSet &Enterers;
204   BlockSet Blocks;
210     BlockSet AddedToWorkList;  in calculate()
241   bool processRegion(MachineBasicBlock *Entry, BlockSet &Blocks,
244   void makeSingleEntryLoop(BlockSet &Entries, BlockSet &Blocks,
253     MachineBasicBlock *Entry, BlockSet &Blocks, MachineFunction &MF) {  in processRegion()
288       BlockSet MutualLoopEntries;  in processRegion()
339     BlockSet &Entries, BlockSet &Blocks, MachineFunction &MF,  in makeSingleEntryLoop()
501   BlockSet AllBlocks;  in runOnMachineFunction()