} cliques_iter_t;
void be_ifg_free(be_ifg_t *ifg);
-int be_ifg_connected(const be_ifg_t *ifg, const ir_node *a,
- const ir_node *b);
ir_node *be_ifg_neighbours_begin(const be_ifg_t *ifg, neighbours_iter_t *iter,
const ir_node *irn);
ir_node *be_ifg_neighbours_next(neighbours_iter_t *iter);