-/* Sets EDGE_LOOP_EXIT flag for all loop exits. */
-static void
-mark_loop_exit_edges (void)
-{
- struct loops loops;
- basic_block bb;
- edge e;
-
- flow_loops_find (&loops, LOOP_TREE);
- free_dominance_info (CDI_DOMINATORS);
-
- if (loops.num > 1)
- {
- FOR_EACH_BB (bb)
- {
- edge_iterator ei;
- FOR_EACH_EDGE (e, ei, bb->succs)
- {
- if (find_common_loop (bb->loop_father, e->dest->loop_father)
- != bb->loop_father)
- e->flags |= EDGE_LOOP_EXIT;
- else
- e->flags &= ~EDGE_LOOP_EXIT;
- }
- }
- }
-
- flow_loops_free (&loops);
-}
-