size_t (be_ifg_nodes_iter_size)(const void *self);
size_t (be_ifg_neighbours_iter_size)(const void *self);
+size_t (be_ifg_cliques_iter_size)(const void *self);
void (be_ifg_free)(void *self);
int (be_ifg_connected)(const void *self, const ir_node *a, const ir_node *b);
ir_node *(be_ifg_neighbours_begin)(const void *self, void *iter, const ir_node *irn);