diff options
Diffstat (limited to 'gcc/graphite-blocking.c')
| -rw-r--r-- | gcc/graphite-blocking.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/graphite-blocking.c b/gcc/graphite-blocking.c index b5f5acd74ba..e44ad8a921c 100644 --- a/gcc/graphite-blocking.c +++ b/gcc/graphite-blocking.c @@ -242,8 +242,9 @@ lst_do_strip_mine (lst_p lst) for (i = 0; VEC_iterate (lst_p, LST_SEQ (lst), i, l); i++) res |= lst_do_strip_mine (l); - if (pbb_strip_mine_profitable_p (LST_PBB (lst_find_first_pbb (lst)), - lst_depth (lst), stride)) + if (lst_depth (lst) >= 0 + && pbb_strip_mine_profitable_p (LST_PBB (lst_find_first_pbb (lst)), + lst_depth (lst), stride)) { res |= lst_do_strip_mine_loop (lst, lst_depth (lst)); lst_add_loop_under_loop (lst); |