41 class Region {  class
43   virtual ~Region() = default;
52 template <typename T> class ConcreteRegion : public Region {
53   const T *Region;  member in __anon676071ee0111::ConcreteRegion
56   ConcreteRegion(const T *Region) : Region(Region) {}  in ConcreteRegion()  argument
57   MachineBasicBlock *getHeader() const override { return Region->getHeader(); }  in getHeader()
59     return Region->contains(MBB);  in contains()
61   unsigned getNumBlocks() const override { return Region->getNumBlocks(); }  in getNumBlocks()
63     return Region->blocks();  in blocks()
75   std::vector<const Region *> Regions;
76   DenseMap<const MachineLoop *, std::unique_ptr<Region>> LoopMap;
77   DenseMap<const WebAssemblyException *, std::unique_ptr<Region>> ExceptionMap;
84   const Region *getRegionFor(const MachineBasicBlock *MBB) {  in getRegionFor()
215   const Region *TheRegion;
222   explicit Entry(const class Region *R)  in Entry()
266     const Region *R = SUI.getRegionFor(MBB);  in SortBlocks()
348   SmallSetVector<const Region *, 8> OnStack;  in SortBlocks()
357     const Region *Region = SUI.getRegionFor(&MBB);  in SortBlocks()  local
359     if (Region && &MBB == Region->getHeader()) {  in SortBlocks()
360       if (Region->isLoop()) {  in SortBlocks()
365               (Pred->getNumber() < MBB.getNumber() || Region->contains(Pred)) &&  in SortBlocks()
374       assert(OnStack.insert(Region) &&  in SortBlocks()