diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index e9c58d4..1f934cb 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -5339,6 +5339,18 @@ tree_purge_all_dead_eh_edges (bitmap blocks) return changed; } +/* This function is called whenever a new edge is created or + redirected. */ + +static void +tree_execute_on_growing_pred (edge e) +{ + basic_block bb = e->dest; + + if (phi_nodes (bb)) + reserve_phi_args_for_new_edge (bb); +} + /* This function is called immediately before edge E is removed from the edge vector E->dest->preds. */ @@ -5371,7 +5383,7 @@ struct cfg_hooks tree_cfg_hooks = { tree_block_ends_with_call_p, /* block_ends_with_call_p */ 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 */ + tree_execute_on_growing_pred, /* execute_on_growing_pred */ tree_execute_on_shrinking_pred, /* execute_on_shrinking_pred */ }; |