diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index e1095f5..e013302 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -2684,7 +2684,7 @@ vect_build_loop_niters (loop_vec_info loop_vinfo) { tree ni_name, stmt, var; edge pe; - basic_block new_bb; + basic_block new_bb = NULL; struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo); tree ni = unshare_expr (LOOP_VINFO_NITERS(loop_vinfo)); @@ -2702,7 +2702,8 @@ vect_build_loop_niters (loop_vec_info loop_vinfo) ni_name = force_gimple_operand (ni, &stmt, false, var); pe = loop_preheader_edge (loop); - new_bb = bsi_insert_on_edge_immediate (pe, stmt); + if (stmt) + new_bb = bsi_insert_on_edge_immediate (pe, stmt); if (new_bb) add_bb_to_loop (new_bb, EDGE_PRED (new_bb, 0)->src->loop_father); @@ -3115,7 +3116,8 @@ vect_gen_niters_for_prolog_loop (loop_vec_info loop_vinfo, tree niters) /* Insert stmt on loop preheader edge. */ pe = loop_preheader_edge (loop); - new_bb = bsi_insert_on_edge_immediate (pe, stmt); + if (stmt) + new_bb = bsi_insert_on_edge_immediate (pe, stmt); if (new_bb) add_bb_to_loop (new_bb, EDGE_PRED (new_bb, 0)->src->loop_father); |