hotspot/src/share/vm/opto/multnode.hpp
changeset 373 427fb4ca6a1e
parent 1 489c9b5090e2
child 670 ddf3e9583f2f
equal deleted inserted replaced
372:b0d8a9fd3646 373:427fb4ca6a1e
    59 public:
    59 public:
    60   ProjNode( Node *src, uint con, bool io_use = false )
    60   ProjNode( Node *src, uint con, bool io_use = false )
    61     : Node( src ), _con(con), _is_io_use(io_use)
    61     : Node( src ), _con(con), _is_io_use(io_use)
    62   {
    62   {
    63     init_class_id(Class_Proj);
    63     init_class_id(Class_Proj);
       
    64     // Optimistic setting. Need additional checks in Node::is_dead_loop_safe().
       
    65     if (con != TypeFunc::Memory || src->is_Start())
       
    66       init_flags(Flag_is_dead_loop_safe);
    64     debug_only(check_con());
    67     debug_only(check_con());
    65   }
    68   }
    66   const uint _con;              // The field in the tuple we are projecting
    69   const uint _con;              // The field in the tuple we are projecting
    67   const bool _is_io_use;        // Used to distinguish between the projections
    70   const bool _is_io_use;        // Used to distinguish between the projections
    68                                 // used on the control and io paths from a macro node
    71                                 // used on the control and io paths from a macro node