diff options
Diffstat (limited to 'gcc/tree-vect-analyze.c')
| -rw-r--r-- | gcc/tree-vect-analyze.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vect-analyze.c b/gcc/tree-vect-analyze.c index 9df8ba2..f247cd9 100644 --- a/gcc/tree-vect-analyze.c +++ b/gcc/tree-vect-analyze.c @@ -1889,7 +1889,8 @@ vect_analyze_loop_form (struct loop *loop) that the loop is represented as a do-while (with a proper if-guard before the loop if needed), where the loop header contains all the executable statements, and the latch is empty. */ - if (!empty_block_p (loop->latch)) + if (!empty_block_p (loop->latch) + || phi_nodes (loop->latch)) { if (vect_print_dump_info (REPORT_BAD_FORM_LOOPS)) fprintf (vect_dump, "not vectorized: unexpected loop form."); |