2 * Copyright (C) 1995-2011 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 Access function for backedges -- private header.
23 * @author Goetz Lindenmaier
27 #ifndef FIRM_ANA_IRBACKEDGE_T_H
28 #define FIRM_ANA_IRBACKEDGE_T_H
31 * Allocate a new backedge array on the obstack for given size.
33 * @param obst the obstack to allocate the array on
34 * @param size the size of the backedge array
36 bitset_t *new_backedge_arr(struct obstack *obst, size_t size);
39 * Adapts backedges array to new size.
40 * Must be called if the in array of an IR node is changed. Else
41 * Segmentation faults might occur.
43 void fix_backedges(struct obstack *obst, ir_node *n);