src/share/vm/opto/phaseX.hpp

*** 146,160 ****
  class PhaseRemoveUseless : public Phase {
  protected:
    Unique_Node_List _useful;   // Nodes reachable from root
                                // list is allocated from current resource area
  public:
!   PhaseRemoveUseless( PhaseGVN *gvn, Unique_Node_List *worklist );
  
    Unique_Node_List *get_useful() { return &_useful; }
  };
  
  
  //------------------------------PhaseTransform---------------------------------
  // Phases that analyze, then transform.  Constructing the Phase object does any
  // global or slow analysis.  The results are cached later for a fast
  // transformation pass.  When the Phase object is deleted the cached analysis
--- 146,170 ----
  class PhaseRemoveUseless : public Phase {
  protected:
    Unique_Node_List _useful;   // Nodes reachable from root
                                // list is allocated from current resource area
  public:
!   PhaseRemoveUseless(PhaseGVN *gvn, Unique_Node_List *worklist, PhaseNumber phase_num = Remove_Useless);
  
    Unique_Node_List *get_useful() { return &_useful; }
  };
  
+ //------------------------------PhaseRenumber----------------------------------
+ // Phase that first performs a PhaseRemoveUseless, then it renumbers compiler
+ // structures accordingly.
+ class PhaseRenumberLive : public PhaseRemoveUseless {
+ public:
+   PhaseRenumberLive(PhaseGVN* gvn,
+                     Unique_Node_List* worklist, Unique_Node_List* new_worklist,
+                     PhaseNumber phase_num = Renumber_Live);
+ };
+ 
  
  //------------------------------PhaseTransform---------------------------------
  // Phases that analyze, then transform.  Constructing the Phase object does any
  // global or slow analysis.  The results are cached later for a fast
  // transformation pass.  When the Phase object is deleted the cached analysis
*** 185,194 ****
--- 195,207 ----
    PhaseTransform( Arena *arena, PhaseNumber pnum );
    PhaseTransform( PhaseTransform *phase, PhaseNumber pnum );
  
    Arena*      arena()   { return _arena; }
    Type_Array& types()   { return _types; }
+   void replace_types(Type_Array new_types) {
+     _types = new_types;
+   }
    // _nodes is used in varying ways by subclasses, which define local accessors
  
  public:
    // Get a previously recorded type for the node n.
    // This type must already have been recorded.