2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Tail-recursion call optimization.
24 * @author Michael Beck
27 #ifndef FIRM_OPT_TAILREC_H
28 #define FIRM_OPT_TAILREC_H
30 #include "firm_types.h"
33 * Optimizes simple tail-recursion calls by
34 * converting them into loops. Depends on the flag opt_tail_recursion.
36 * Does not work for Calls that use the exception stuff.
38 * @param irg the graph to be optimized
40 * @return non-zero if the optimization could be applied, 0 else
42 int opt_tail_rec_irg(ir_graph *irg);
45 * Optimize tail-recursion calls for all IR-Graphs.
46 * Depends on the flag opt_tail_recursion.
48 void opt_tail_recursion(void);
50 # endif /* FIRM_OPT_TAILREC_H */