diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 4655d7f..85ce204 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -8932,10 +8932,11 @@ struct cfg_hooks gimple_cfg_hooks = { }; -/* Split all critical edges. */ +/* Split all critical edges. Split some extra (not necessarily critical) edges + if FOR_EDGE_INSERTION_P is true. */ unsigned int -split_critical_edges (void) +split_critical_edges (bool for_edge_insertion_p /* = false */) { basic_block bb; edge e; @@ -8958,11 +8959,12 @@ split_critical_edges (void) end by control flow statements, such as RESX. Go ahead and split them too. This matches the logic in gimple_find_edge_insert_loc. */ - else if ((!single_pred_p (e->dest) - || !gimple_seq_empty_p (phi_nodes (e->dest)) - || e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun)) + else if (for_edge_insertion_p + && (!single_pred_p (e->dest) + || !gimple_seq_empty_p (phi_nodes (e->dest)) + || e->dest == EXIT_BLOCK_PTR_FOR_FN (cfun)) && e->src != ENTRY_BLOCK_PTR_FOR_FN (cfun) - && !(e->flags & EDGE_ABNORMAL)) + && !(e->flags & EDGE_ABNORMAL)) { gimple_stmt_iterator gsi; |