2 * Copyright (C) 1995-2008 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 Performs lowering of perm nodes. Inserts copies to assure
23 * register constraints.
24 * @author Christian Wuerdig
28 #ifndef FIRM_BE_BELOWER_H
29 #define FIRM_BE_BELOWER_H
34 * Walks over all nodes to assure register constraints.
36 * @param irg The graph
38 void assure_constraints(ir_graph *irg);
41 * Walks over all blocks in an irg and performs lowering need to be
42 * done after register allocation (e.g. perm lowering).
44 * @param irg The graph
45 * @param do_copy 1 == resolve cycles with a free reg if available
47 void lower_nodes_after_ra(ir_graph *irg, int do_copy);