239   header->loop_father = loop;  in flow_loop_nodes_find()
243       if (latch->src->loop_father == loop  in flow_loop_nodes_find()
249       latch->src->loop_father = loop;  in flow_loop_nodes_find()
263                 if (ancestor->loop_father != loop)  in flow_loop_nodes_find()
265                       ancestor->loop_father = loop;  in flow_loop_nodes_find()
378   ENTRY_BLOCK_PTR_FOR_FN (fn)->loop_father = root;  in init_loops_structure()
379   EXIT_BLOCK_PTR_FOR_FN (fn)->loop_father = root;  in init_loops_structure()
468                 && header->loop_father->header == header)  in flow_loops_find()
470                 loop = header->loop_father;  in flow_loops_find()
497       header->loop_father = loops->tree_root;  in flow_loops_find()
511       flow_loop_tree_node_add (header->loop_father, loop);  in flow_loops_find()
858   source_loop = bb->loop_father;  in flow_bb_inside_loop_p()
1078       && e->src->loop_father != NULL  in rescan_loop_exit()
1079       && e->dest->loop_father != NULL  in rescan_loop_exit()
1080       && !flow_bb_inside_loop_p (e->src->loop_father, e->dest))  in rescan_loop_exit()
1082       cloop = find_common_loop (e->src->loop_father, e->dest->loop_father);  in rescan_loop_exit()
1083       for (aloop = e->src->loop_father;  in rescan_loop_exit()
1255   gcc_assert (bb->loop_father == NULL);  in add_bb_to_loop()
1256   bb->loop_father = loop;  in add_bb_to_loop()
1276   struct loop *loop = bb->loop_father;  in remove_bb_from_loops()
1285   bb->loop_father = NULL;  in remove_bb_from_loops()
1351     bbs[i]->loop_father = outer;  in cancel_loop()
1412           if (bb->loop_father->header == NULL)  in verify_loop_structure()
1417           else if (bb->loop_father->header != bb)  in verify_loop_structure()
1423     else if (bb->loop_father->header == bb)  in verify_loop_structure()
1468             if (bb->loop_father != loop)  in verify_loop_structure()
1471                          bb->index, bb->loop_father->num, loop->num);  in verify_loop_structure()
1520             if (loop->latch->loop_father != loop)  in verify_loop_structure()
1526       if (loop->header->loop_father != loop)  in verify_loop_structure()
1645             if (bb->loop_father == current_loops->tree_root)  in verify_loop_structure()
1649                 if (flow_bb_inside_loop_p (bb->loop_father, e->dest))  in verify_loop_structure()
1664                 for (loop = bb->loop_father;  in verify_loop_structure()
1665                        loop != e->dest->loop_father  in verify_loop_structure()
1670                        && loop != loop_outer (e->dest->loop_father);  in verify_loop_structure()
2059   return bb->loop_father ? loop_depth (bb->loop_father) : 0;  in bb_loop_depth()