diff options
Diffstat (limited to 'gcc/loop-unroll.c')
| -rw-r--r-- | gcc/loop-unroll.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/loop-unroll.c b/gcc/loop-unroll.c index 49af45d..7d230fb 100644 --- a/gcc/loop-unroll.c +++ b/gcc/loop-unroll.c @@ -1709,14 +1709,15 @@ static struct opt_info * analyze_insns_in_loop (struct loop *loop) { basic_block *body, bb; - unsigned i, num_edges = 0; + unsigned i; struct opt_info *opt_info = XCNEW (struct opt_info); rtx insn; struct iv_to_split *ivts = NULL; struct var_to_expand *ves = NULL; PTR *slot1; PTR *slot2; - edge *edges = get_loop_exit_edges (loop, &num_edges); + VEC (edge, heap) *edges = get_loop_exit_edges (loop); + edge exit; bool can_apply = false; iv_analysis_loop_init (loop); @@ -1730,11 +1731,14 @@ analyze_insns_in_loop (struct loop *loop) /* Record the loop exit bb and loop preheader before the unrolling. */ opt_info->loop_preheader = loop_preheader_edge (loop)->src; - if (num_edges == 1 - && !(edges[0]->flags & EDGE_COMPLEX)) + if (VEC_length (edge, edges) == 1) { - opt_info->loop_exit = split_edge (edges[0]); - can_apply = true; + exit = VEC_index (edge, edges, 0); + if (!(exit->flags & EDGE_COMPLEX)) + { + opt_info->loop_exit = split_edge (exit); + can_apply = true; + } } if (flag_variable_expansion_in_unroller @@ -1774,7 +1778,7 @@ analyze_insns_in_loop (struct loop *loop) } } - free (edges); + VEC_free (edge, heap, edges); free (body); return opt_info; } |