2 * Analysis to compute phi congruence classes.
15 * Initialize data structures
17 void be_phi_congr_class_init(void);
20 * Computes all phi classes of an irg.
21 * @param irg The ir-graph to compute the classes for.
22 * @return Sets the internal data structures.
24 void be_phi_congr_class_compute(ir_graph *irg);
27 * @param irn A node to get the phi class for
28 * @return A pset containing all members of the phi class @p irn belongs to.
29 * If @p irn is not member of a phi class NULL is returned.
31 pset *get_phi_class(const ir_node *irn);