cleanup irouts

[libfirm] / ir / ana / irdom_t.h

diff --git a/ir/ana/irdom_t.h b/ir/ana/irdom_t.h
index 5a5857c..517cd40 100644 (file)
--- a/ir/ana/irdom_t.h
+++ b/ir/ana/irdom_t.h
@@ -1,36 +1,76 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ana/irdom_t.h
- * Purpose:     Construct and access dominator tree -- private datastructures.
- * Author:      Goetz Lindenmaier
- * Modified by:
- * Created:     2.2002
- * CVS-ID:      $Id$
- * Copyright:   (c) 2002-2003 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
- */
-
-
-/**
- * @file irdom_t.h
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
  *
- * Dominator information private datastructures.
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
  *
- * @author Goetz Lindenmaier
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
  *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
 
-
-# ifndef _IRDOM_T_H_
-# define _IRDOM_T_H_
+/**
+ * @file
+ * @brief    Construct and access dominator tree -- private datastructures.
+ * @author   Goetz Lindenmaier
+ * @date     2.2002
+ */
+#ifndef FIRM_ANA_IRDOM_T_H
+#define FIRM_ANA_IRDOM_T_H
 
 #include "irdom.h"
+#include "pmap.h"
+#include "obst.h"
 
 /** For dominator information */
-typedef struct dom_info {
-  struct ir_node *idom;        /**< immediate CFG dominator */
-  int pre_num;               /**< pre-order graph-walk number */
-  int dom_depth;             /**< depth in dominator-tree */
-} dom_info;
+typedef struct ir_dom_info {
+  ir_node *idom;   /**< immediate CFG dominator */
+  ir_node *next;   /**< The next node in the dominated list of @c idom. */
+  ir_node *first;  /**< The first node in the list of nodes
+                        this nodes dominates immediately. */
+  unsigned tree_pre_num;         /**< The pre-order number from a dfs walk
+                                      over the dominator tree. */
+  unsigned max_subtree_pre_num;  /**< The largest tree pre num found in the
+                                      dominator subtree of this node. */
+  int pre_num;     /**< pre-order graph-walk number */
+  int dom_depth;   /**< depth in dominator-tree */
+} ir_dom_info;
+
+typedef struct ir_dom_front_info_t {
+       pmap *df_map;         /**< A map, mapping every block to a list of its dominance frontier blocks. */
+       struct obstack obst;  /**< An obstack holding all the frontier data. */
+} ir_dom_front_info_t;
+
+void set_Block_idom(ir_node *bl, ir_node *n);
+
+int get_Block_dom_depth(const ir_node *bl);
+void set_Block_dom_depth(ir_node *bl, int depth);
+
+int get_Block_dom_pre_num(const ir_node *bl);
+void set_Block_dom_pre_num(ir_node *bl, int num);
+
+void set_Block_ipostdom(ir_node *bl, ir_node *n);
+
+int get_Block_postdom_depth(const ir_node *bl);
+void set_Block_postdom_depth(ir_node *bl, int depth);
+
+int get_Block_postdom_pre_num(const ir_node *bl);
+void set_Block_postdom_pre_num(ir_node *bl, int num);
+
+unsigned get_Block_dom_tree_pre_num(const ir_node *bl);
+unsigned get_Block_pdom_tree_pre_num(const ir_node *bl);
+
+unsigned get_Block_dom_max_subtree_pre_num(const ir_node *bl);
+unsigned get_Block_pdom_max_subtree_pre_num(const ir_node *bl);
+
+void ir_free_dominance_frontiers(ir_graph *irg);
 
-#endif /* _IRDOM_T_H_ */
+#endif