aboutsummaryrefslogtreecommitdiff
path: root/gcc/cfghooks.c
diff options
context:
space:
mode:
authorKazu Hirata <kazu@cs.umass.edu>2004-11-22 22:04:21 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2004-11-22 22:04:21 +0000
commitd9d4706fa5e5e9db60e0d6a4ad742928f07042dc (patch)
tree712b6c41059aafe8583821534fb80e3194ae272d /gcc/cfghooks.c
parentb31997c0dca31350faba5f7859acbd6109f9039e (diff)
downloadgcc-d9d4706fa5e5e9db60e0d6a4ad742928f07042dc.zip
gcc-d9d4706fa5e5e9db60e0d6a4ad742928f07042dc.tar.gz
gcc-d9d4706fa5e5e9db60e0d6a4ad742928f07042dc.tar.bz2
cfg.c (unchecked_make_edge): Call execute_on_growing_pred after making an edge.
* cfg.c (unchecked_make_edge): Call execute_on_growing_pred after making an edge. (remove_edge): Call execute_on_shrinking_pred before removing an edge. (redirect_edge_succ): Call execute_on_growing_pred and execute_on_shrinking_pred. * cfghooks.c (execute_on_growing_pred): New. (execute_on_shrinking_pred): Likewise. * cfghooks.h (cfg_hooks): Add execute_on_growing_pred and execute_on_shrinking_pred. Add prototypes for execute_on_growing_pred and execute_on_shrinking_pred. * cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to execute_on_growing_pred and execute_on_shrinking_pred. (cfg_layout_rtl_cfg_hook): Likewise. * tree-cfg.c (tree_cfg_hooks): Likewise. From-SVN: r91035
Diffstat (limited to 'gcc/cfghooks.c')
-rw-r--r--gcc/cfghooks.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c
index 841e468..0f0c230 100644
--- a/gcc/cfghooks.c
+++ b/gcc/cfghooks.c
@@ -804,3 +804,23 @@ flow_call_edges_add (sbitmap blocks)
return (cfg_hooks->flow_call_edges_add) (blocks);
}
+
+/* This function is called immediately after edge E is added to the
+ edge vector E->dest->preds. */
+
+void
+execute_on_growing_pred (edge e)
+{
+ if (cfg_hooks->execute_on_growing_pred)
+ cfg_hooks->execute_on_growing_pred (e);
+}
+
+/* This function is called immediately before edge E is removed from
+ the edge vector E->dest->preds. */
+
+void
+execute_on_shrinking_pred (edge e)
+{
+ if (cfg_hooks->execute_on_shrinking_pred)
+ cfg_hooks->execute_on_shrinking_pred (e);
+}