734 #ifdef ASSERT
 735   int            _block;  // PO of current block, if a Parse
 736   int            _bci;
 737 #endif
 738   SafePointNode* _map;
 739   uint           _sp;
 740 
 741  public:
 742   PreserveJVMState(GraphKit* kit, bool clone_map = true);
 743   ~PreserveJVMState();
 744 };
 745 
 746 // Helper class to build cutouts of the form if (p) ; else {x...}.
 747 // The code {x...} must not fall through.
 748 // The kit's main flow of control is set to the "then" continuation of if(p).
 749 class BuildCutout: public PreserveJVMState {
 750  public:
 751   BuildCutout(GraphKit* kit, Node* p, float prob, float cnt = COUNT_UNKNOWN);
 752   ~BuildCutout();
 753 };

 734 #ifdef ASSERT
 735   int            _block;  // PO of current block, if a Parse
 736   int            _bci;
 737 #endif
 738   SafePointNode* _map;
 739   uint           _sp;
 740 
 741  public:
 742   PreserveJVMState(GraphKit* kit, bool clone_map = true);
 743   ~PreserveJVMState();
 744 };
 745 
 746 // Helper class to build cutouts of the form if (p) ; else {x...}.
 747 // The code {x...} must not fall through.
 748 // The kit's main flow of control is set to the "then" continuation of if(p).
 749 class BuildCutout: public PreserveJVMState {
 750  public:
 751   BuildCutout(GraphKit* kit, Node* p, float prob, float cnt = COUNT_UNKNOWN);
 752   ~BuildCutout();
 753 };
 754 
 755 // Helper class to preserve the original _reexecute bit and _sp and restore
 756 // them back
 757 class PreserveReexecuteAndSP: public StackObj {
 758  protected:
 759   GraphKit*      _kit;
 760   uint           _sp;
 761   bool           _reexecute;
 762 
 763  public:
 764   PreserveReexecuteAndSP(GraphKit* kit);
 765   ~PreserveReexecuteAndSP();
 766 };