-/* Check whether dependee is (possible iterated) control dependent on candidate. */
-int is_iterated_cdep_on(ir_node *dependee, ir_node *candidate) {
- const ir_cdep *dep;
-
- while ((dep = find_cdep(dependee)) != NULL) {
- if (dep->next != NULL) return 0;
- if (dep->node == candidate) return 1;
- dependee = dep->node;
- }
- return 0;
-}
-
-/* If block is control dependent on exactly one node, return this node, else NULL. */
-ir_node *get_unique_cdep(const ir_node *block) {