X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firextbb_t.h;h=d7866ad13e53574c2d716f69e5d0e85abb2ab6db;hb=00894f1e0b6e74ca6c12d253dd30f7d873808977;hp=15778620ce74f909e6de84d07f36fd2cca3a0bbd;hpb=a97b92c4dcc62fc145d7adf6945a13c1ae0f47ee;p=libfirm

diff --git a/ir/ana/irextbb_t.h b/ir/ana/irextbb_t.h
index 15778620c..d7866ad13 100644
--- a/ir/ana/irextbb_t.h
+++ b/ir/ana/irextbb_t.h
@@ -1,45 +1,60 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ana/irextbb_t.h
- * Purpose:     Extended basis block support.
- * Author:      Michael Beck
- * Modified by:
- * Created:     5.2005
- * CVS-ID:      $Id$
- * Copyright:   (c) 2002-2005 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * 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.
+ *
+ * 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.
  */
 
 /**
- * @file irextbb_t.h
- *
- *  Computes extended basic blocks.
- *
- *  @author Michael Beck
+ * @file
+ * @brief   Extended basis block support -- private header
+ * @author  Michael Beck
+ * @date    5.2005
+ * @version $Id$
  */
-#ifndef _IREXTBB_T_H_
-#define _IREXTBB_T_H_
+#ifndef FIRM_ANA_IREXTBB_T_H
+#define FIRM_ANA_IREXTBB_T_H
 
-#include "firm_config.h"
 #include "irgraph_t.h"
 #include "irextbb.h"
+#include "irtools.h"
 
 /**
  * An extended block.
  */
 struct _ir_extblk {
   firm_kind kind;        /**< k_ir_extblk */
-  unsigned long visited; /**< visited flag */
+  ir_visited_t visited;  /**< visited flag */
   ir_node  **blks;       /**< blocks belonging to this extended block */
   void *link;            /**< private link field */
 };
 
+/**
+ * Checks whether a pointer points to a extended basic block.
+ * Intern version for libFirm.
+ */
+static INLINE int
+_is_ir_extbb (const void *thing) {
+  return (get_kind(thing) == k_ir_extblk);
+}
 
 /**
  * Gets the visited counter of an extended block.
  * Internal version for libFirm.
  */
-static INLINE unsigned long
+static INLINE ir_visited_t
 _get_extbb_visited(const ir_extblk *blk) {
   assert(blk);
   return blk->visited;
@@ -50,7 +65,7 @@ _get_extbb_visited(const ir_extblk *blk) {
  * Internal version for libFirm.
  */
 static INLINE void
-_set_extbb_visited(ir_extblk *blk, unsigned long visited) {
+_set_extbb_visited(ir_extblk *blk, ir_visited_t visited) {
   assert(blk);
   blk->visited = visited;
 }
@@ -62,7 +77,7 @@ _set_extbb_visited(ir_extblk *blk, unsigned long visited) {
 static INLINE void
 _mark_extbb_visited(ir_extblk *blk) {
   assert(blk);
-  blk->visited = current_ir_graph->visited;
+  blk->visited = current_ir_graph->block_visited;
 }
 
 /**
@@ -72,7 +87,7 @@ _mark_extbb_visited(ir_extblk *blk) {
 static INLINE int
 _extbb_visited(const ir_extblk *blk) {
   assert(blk);
-  return blk->visited >= current_ir_graph->visited;
+  return blk->visited >= current_ir_graph->block_visited;
 }
 
 /**
@@ -82,7 +97,7 @@ _extbb_visited(const ir_extblk *blk) {
 static INLINE int
 _extbb_not_visited(const ir_extblk *blk) {
   assert(blk);
-  return blk->visited < current_ir_graph->visited;
+  return blk->visited < current_ir_graph->block_visited;
 }
 
 /**
@@ -124,13 +139,24 @@ _get_extbb_block(ir_extblk *blk, int pos)
   return blk->blks[pos];
 }
 
-#define get_extbb_visited(blk)		_get_extbb_visited(blk)
-#define set_extbb_visited(blk, v)	_set_extbb_visited(blk, v)
-#define mark_extbb_visited(blk)	  _mark_extbb_visited(blk)
+/**
+ * Return the leader basis block of an extended block
+ */
+static INLINE ir_node *
+_get_extbb_leader(ir_extblk *blk)
+{
+  return blk->blks[0];
+}
+
+#define is_ir_extbb(thing)        _is_ir_extbb(thing)
+#define get_extbb_visited(blk)    _get_extbb_visited(blk)
+#define set_extbb_visited(blk, v) _set_extbb_visited(blk, v)
+#define mark_extbb_visited(blk)   _mark_extbb_visited(blk)
 #define extbb_visited(blk)        _extbb_visited(blk)
 #define extbb_not_visited(blk)    _extbb_not_visited(blk)
 #define get_extbb_link(blk)       _get_extbb_link(blk)
 #define set_extbb_link(blk, link) _set_extbb_link(blk, link)
 #define get_extbb_n_blocks(blk)   _get_extbb_n_blocks(blk)
+#define get_extbb_leader(blk)     _get_extbb_leader(blk)
 
-#endif /* _IREXTBB_H_ */
+#endif