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Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index ea648f2..01d1850 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -3038,8 +3038,9 @@ vect_loop_versioning (loop_vec_info loop_vinfo, while we need to move it above LOOP's preheader. */ e = loop_preheader_edge (loop); scalar_e = loop_preheader_edge (scalar_loop); - gcc_assert (empty_block_p (e->src) - && single_pred_p (e->src)); + /* The vector loop preheader might not be empty, since new + invariants could have been created while analyzing the loop. */ + gcc_assert (single_pred_p (e->src)); gcc_assert (empty_block_p (scalar_e->src) && single_pred_p (scalar_e->src)); gcc_assert (single_pred_p (condition_bb)); |