diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index f00084aed30..b7097ebce07 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -5339,6 +5339,16 @@ tree_purge_all_dead_eh_edges (bitmap blocks) return changed; } +/* This function is called immediately before edge E is removed from + the edge vector E->dest->preds. */ + +static void +tree_execute_on_shrinking_pred (edge e) +{ + if (phi_nodes (e->dest)) + remove_phi_args (e); +} + struct cfg_hooks tree_cfg_hooks = { "tree", tree_verify_flow_info, @@ -5362,7 +5372,7 @@ struct cfg_hooks tree_cfg_hooks = { tree_block_ends_with_condjump_p, /* block_ends_with_condjump_p */ tree_flow_call_edges_add, /* flow_call_edges_add */ NULL, /* execute_on_growing_pred */ - NULL, /* execute_on_shrinking_pred */ + tree_execute_on_shrinking_pred, /* execute_on_shrinking_pred */ }; |
