Add the -f{,no-}deconv switches do {en,dis}able the conv node optimization.

[libfirm] / ir / opt / tailrec.h

diff --git a/ir/opt/tailrec.h b/ir/opt/tailrec.h
index 880d554..1f0ca15 100644 (file)
--- a/ir/opt/tailrec.h
+++ b/ir/opt/tailrec.h
@@ -1,38 +1,50 @@
 /*
- * Project:     libFIRM
- * File name:   ir/opt/tailrec.h
- * Purpose:     Tail-recursion call optimization.
- * Author:      Michael Beck
- * Created:     08.06.2004
- * CVS-ID:      $Id$
- * Copyright:   (c) 1998-2004 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
- */
-
-/**
- * @file tailrec.h
+ * Copyright (C) 1995-2007 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.
  *
- * Tail-recursion call optimization.
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
  *
- * @author Michael Beck
+ * 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 _TAILREC_H_
-# define _TAILREC_H_
+/**
+ * @file
+ * @brief   Tail-recursion call optimization.
+ * @date    08.06.2004
+ * @author  Michael Beck
+ * @version $Id$
+ */
+#ifndef FIRM_OPT_TAILREC_H
+#define FIRM_OPT_TAILREC_H
 
-# include "irgraph.h"
+#include "firm_types.h"
 
 /**
  * Optimizes simple tail-recursion calls by
  * converting them into loops. Depends on the flag opt_tail_recursion.
  *
+ * Does not work for Calls that use the exception stuff.
+ *
  * @param irg   the graph to be optimized
+ *
+ * @return non-zero if the optimization could be applied, 0 else
  */
-void opt_tail_rec_irg(ir_graph *irg);
+int opt_tail_rec_irg(ir_graph *irg);
 
 /*
  * Optimize tail-recursion calls for all IR-Graphs.
+ * Depends on the flag opt_tail_recursion.
  */
 void opt_tail_recursion(void);
 
-# endif /* _TAILREC_H_ */
+# endif /* FIRM_OPT_TAILREC_H */