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 A lightweight wrapper around pset to store IR nodes.
23 * @author Michael Beck
26 * In some algorithms we want a more deterministic behavior
27 * which the pset_ptr did not guarantee due to it's hash function
33 #include "benodesets.h"
37 * Calculates a hash value for a node.
41 unsigned nodeset_hash(const ir_node *n) {
42 return (unsigned)get_irn_idx(n);