src/share/vm/opto/loopnode.hpp

rev 9360 : 8137168: Replace IfNode with a new RangeCheckNode for range checks
Summary: new RangeCheckNode to enable optimization of explicit library level range checks
Reviewed-by:

*** 914,924 ****
    // Return true if exp is a scaled induction var plus (or minus) constant
    bool is_scaled_iv_plus_offset(Node* exp, Node* iv, int* p_scale, Node** p_offset, int depth = 0);
  
    // Create a new if above the uncommon_trap_if_pattern for the predicate to be promoted
    ProjNode* create_new_if_for_predicate(ProjNode* cont_proj, Node* new_entry,
!                                         Deoptimization::DeoptReason reason);
    void register_control(Node* n, IdealLoopTree *loop, Node* pred);
  
    // Clone loop predicates to cloned loops (peeled, unswitched)
    static ProjNode* clone_predicate(ProjNode* predicate_proj, Node* new_entry,
                                     Deoptimization::DeoptReason reason,
--- 914,925 ----
    // Return true if exp is a scaled induction var plus (or minus) constant
    bool is_scaled_iv_plus_offset(Node* exp, Node* iv, int* p_scale, Node** p_offset, int depth = 0);
  
    // Create a new if above the uncommon_trap_if_pattern for the predicate to be promoted
    ProjNode* create_new_if_for_predicate(ProjNode* cont_proj, Node* new_entry,
!                                         Deoptimization::DeoptReason reason,
!                                         int opcode);
    void register_control(Node* n, IdealLoopTree *loop, Node* pred);
  
    // Clone loop predicates to cloned loops (peeled, unswitched)
    static ProjNode* clone_predicate(ProjNode* predicate_proj, Node* new_entry,
                                     Deoptimization::DeoptReason reason,
*** 964,974 ****
    void do_range_check( IdealLoopTree *loop, Node_List &old_new );
  
    // Create a slow version of the loop by cloning the loop
    // and inserting an if to select fast-slow versions.
    ProjNode* create_slow_version_of_loop(IdealLoopTree *loop,
!                                         Node_List &old_new);
  
    // Clone a loop and return the clone head (clone_loop_head).
    // Added nodes include int(1), int(0) - disconnected, If, IfTrue, IfFalse,
    // This routine was created for usage in CountedLoopReserveKit.
    //
--- 965,976 ----
    void do_range_check( IdealLoopTree *loop, Node_List &old_new );
  
    // Create a slow version of the loop by cloning the loop
    // and inserting an if to select fast-slow versions.
    ProjNode* create_slow_version_of_loop(IdealLoopTree *loop,
!                                         Node_List &old_new,
!                                         int opcode);
  
    // Clone a loop and return the clone head (clone_loop_head).
    // Added nodes include int(1), int(0) - disconnected, If, IfTrue, IfFalse,
    // This routine was created for usage in CountedLoopReserveKit.
    //