PredExprSet * get_pred_expressions() { return &pred_expressions; }
void add_predicate(token_t token, void * location, bool value);
void add_child(Predicate * child);
- void add_parent(Predicate * parent);
+ void set_parent(Predicate * parent_pred) { parent = parent_pred; }
void set_backedge(Predicate * back_pred) { backedge = back_pred; }
ModelVector<Predicate *> * get_children() { return &children; }
- ModelVector<Predicate *> * get_parents() { return &parents; }
+ Predicate * get_parent() { return parent; }
Predicate * get_backedge() { return backedge; }
bool is_entry_predicate() { return entry_predicate; }
/* may have multiple predicates */
PredExprSet pred_expressions;
ModelVector<Predicate *> children;
- ModelVector<Predicate *> parents;
+
+ /* only a single parent may exist */
+ Predicate * parent;
/* assume almost one back edge exists */
Predicate * backedge;