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| author | Kazu Hirata <kazu@cs.umass.edu> | 2004-11-22 22:04:21 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2004-11-22 22:04:21 +0000 |
| commit | d9d4706fa5e5e9db60e0d6a4ad742928f07042dc (patch) | |
| tree | 712b6c41059aafe8583821534fb80e3194ae272d /gcc/cfghooks.h | |
| parent | b31997c0dca31350faba5f7859acbd6109f9039e (diff) | |
| download | gcc-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.h')
| -rw-r--r-- | gcc/cfghooks.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/cfghooks.h b/gcc/cfghooks.h index 7cbe700..92a458e 100644 --- a/gcc/cfghooks.h +++ b/gcc/cfghooks.h @@ -100,6 +100,14 @@ struct cfg_hooks The goal is to expose cases in which entering a basic block does not imply that all subsequent instructions must be executed. */ int (*flow_call_edges_add) (sbitmap); + + /* This function is called immediately after edge E is added to the + edge vector E->dest->preds. */ + void (*execute_on_growing_pred) (edge); + + /* This function is called immediately before edge E is removed from + the edge vector E->dest->preds. */ + void (*execute_on_shrinking_pred) (edge); }; extern void verify_flow_info (void); @@ -126,6 +134,8 @@ extern basic_block duplicate_block (basic_block, edge); extern bool block_ends_with_call_p (basic_block bb); extern bool block_ends_with_condjump_p (basic_block bb); extern int flow_call_edges_add (sbitmap); +extern void execute_on_growing_pred (edge); +extern void execute_on_shrinking_pred (edge); /* Hooks containers. */ extern struct cfg_hooks tree_cfg_hooks; |