virtual ir_visitor_status visit_leave(class ir_return *);
virtual ir_visitor_status visit_enter(class ir_discard *);
virtual ir_visitor_status visit_leave(class ir_discard *);
+ virtual ir_visitor_status visit_enter(class ir_demote *);
+ virtual ir_visitor_status visit_leave(class ir_demote *);
virtual ir_visitor_status visit_enter(class ir_if *);
virtual ir_visitor_status visit_leave(class ir_if *);
virtual ir_visitor_status visit_enter(class ir_emit_vertex *);