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 Interface for interference graphs.
23 * @author Sebastian Hack
26 #ifndef FIRM_BE_BEIFG_H
27 #define FIRM_BE_BEIFG_H
30 #include "bechordal.h"
31 #include "irnodeset.h"
35 const be_chordal_env_t *env;
38 typedef struct nodes_iter_t {
39 const be_chordal_env_t *env;
46 typedef struct neighbours_iter_t {
47 const be_chordal_env_t *env;
50 ir_nodeset_t neighbours;
51 ir_nodeset_iterator_t iter;
54 typedef struct cliques_iter_t {
56 const be_chordal_env_t *cenv;
60 struct list_head *bor;
64 void be_ifg_free(be_ifg_t *ifg);
65 int be_ifg_connected(const be_ifg_t *ifg, const ir_node *a,
67 ir_node *be_ifg_neighbours_begin(const be_ifg_t *ifg, neighbours_iter_t *iter,
69 ir_node *be_ifg_neighbours_next(neighbours_iter_t *iter);
70 void be_ifg_neighbours_break(neighbours_iter_t *iter);
71 ir_node *be_ifg_nodes_begin(const be_ifg_t *ifg, nodes_iter_t *iter);
72 ir_node *be_ifg_nodes_next(nodes_iter_t *iter);
73 void be_ifg_nodes_break(nodes_iter_t *iter);
74 int be_ifg_cliques_begin(const be_ifg_t *ifg, cliques_iter_t *iter,
76 int be_ifg_cliques_next(cliques_iter_t *iter);
77 void be_ifg_cliques_break(cliques_iter_t *iter);
78 int be_ifg_degree(const be_ifg_t *ifg, const ir_node *irn);
80 #define be_ifg_foreach_neighbour(ifg, iter, irn, pos) \
81 for(pos = be_ifg_neighbours_begin(ifg, iter, irn); pos != NULL; pos = be_ifg_neighbours_next(iter))
83 #define be_ifg_foreach_node(ifg, iter, pos) \
84 for(pos = be_ifg_nodes_begin(ifg, iter); pos != NULL; pos = be_ifg_nodes_next(iter))
86 #define be_ifg_foreach_clique(ifg, iter, buf, count) \
87 for(*(count) = be_ifg_cliques_begin(ifg, iter, buf); \
89 *(count) = be_ifg_cliques_next(iter))
97 void be_ifg_stat(ir_graph *irg, be_ifg_t *ifg, be_ifg_stat_t *stat);
99 be_ifg_t *be_create_ifg(const be_chordal_env_t *env);