diff options
Diffstat (limited to 'gcc/cfgloopanal.c')
| -rw-r--r-- | gcc/cfgloopanal.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/cfgloopanal.c b/gcc/cfgloopanal.c index 7baa30a4899..54d00ce574c 100644 --- a/gcc/cfgloopanal.c +++ b/gcc/cfgloopanal.c @@ -276,7 +276,8 @@ mark_irreducible_loops (void) int num = current_loops ? number_of_loops () : 1; int *queue1 = XNEWVEC (int, last_basic_block + num); int *queue2 = XNEWVEC (int, last_basic_block + num); - int nq, depth; + int nq; + unsigned depth; struct loop *cloop, *loop; loop_iterator li; @@ -321,12 +322,13 @@ mark_irreducible_loops (void) if (!flow_bb_inside_loop_p (act->loop_father, e->dest)) { - depth = find_common_loop (act->loop_father, - e->dest->loop_father)->depth + 1; - if (depth == act->loop_father->depth) + depth = 1 + loop_depth (find_common_loop (act->loop_father, + e->dest->loop_father)); + if (depth == loop_depth (act->loop_father)) cloop = act->loop_father; else - cloop = act->loop_father->pred[depth]; + cloop = VEC_index (loop_p, act->loop_father->superloops, + depth); src = LOOP_REPR (cloop); } @@ -612,7 +614,7 @@ mark_loop_exit_edges (void) FOR_EACH_EDGE (e, ei, bb->succs) { - if (bb->loop_father->outer + if (loop_outer (bb->loop_father) && loop_exit_edge_p (bb->loop_father, e)) e->flags |= EDGE_LOOP_EXIT; else |