diff options
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index 097cfb8..7cae1b7 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -1290,7 +1290,9 @@ tree_estimate_probability (void) add_noreturn_fake_exit_edges (); connect_infinite_loops_to_exit (); - calculate_dominance_info (CDI_DOMINATORS); + /* We use loop_niter_by_eval, which requires that the loops have + preheaders. */ + create_preheaders (CP_SIMPLE_PREHEADERS); calculate_dominance_info (CDI_POST_DOMINATORS); tree_bb_level_predictions (); |