diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index e9111d9..6f49205 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -4219,6 +4219,17 @@ tree_redirect_edge_and_branch (edge e, basic_block dest) return e; } +/* Returns true if it is possible to remove edge E by redirecting + it to the destination of the other edge from E->src. */ + +static bool +tree_can_remove_branch_p (edge e) +{ + if (e->flags & EDGE_ABNORMAL) + return false; + + return true; +} /* Simple wrapper, as we can always redirect fallthru edges. */ @@ -5614,6 +5625,7 @@ struct cfg_hooks tree_cfg_hooks = { create_bb, /* create_basic_block */ tree_redirect_edge_and_branch,/* redirect_edge_and_branch */ tree_redirect_edge_and_branch_force,/* redirect_edge_and_branch_force */ + tree_can_remove_branch_p, /* can_remove_branch_p */ remove_bb, /* delete_basic_block */ tree_split_block, /* split_block */ tree_move_block_after, /* move_block_after */ |