-/**
- * @file beifg.h
- * @date 18.11.2005
- * @author Sebastian Hack
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
*
- * Copyright (C) 2005 Universitaet Karlsruhe
- * Released under the GPL
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#ifndef _BEIFG_H
-#define _BEIFG_H
+/**
+ * @file
+ * @brief Interface for interference graphs.
+ * @author Sebastian Hack
+ * @date 18.11.2005
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BEIFG_H
+#define FIRM_BE_BEIFG_H
+
+#include <stdio.h>
#include "irnode.h"
+#include "irnodeset.h"
+
+#include "becopyopt.h"
+#include "beirg.h"
+
+typedef struct be_ifg_t {
+ const be_chordal_env_t *env;
+} be_ifg_t;
+
+typedef struct nodes_iter_t {
+ const be_chordal_env_t *env;
+ struct obstack obst;
+ int n;
+ int curr;
+ ir_node **nodes;
+} nodes_iter_t;
+
+typedef struct neighbours_iter_t {
+ const be_chordal_env_t *env;
+ const ir_node *irn;
+ int valid;
+ ir_nodeset_t neighbours;
+ ir_nodeset_iterator_t iter;
+} neighbours_iter_t;
+
+typedef struct cliques_iter_t {
+ struct obstack ob;
+ const be_chordal_env_t *cenv;
+ ir_node **buf;
+ ir_node **blocks;
+ int n_blocks, blk;
+ struct list_head *bor;
+ pset *living;
+} cliques_iter_t;
+
+void be_ifg_free(be_ifg_t *ifg);
+int be_ifg_connected(const be_ifg_t *ifg, const ir_node *a,
+ const ir_node *b);
+ir_node *be_ifg_neighbours_begin(const be_ifg_t *ifg, neighbours_iter_t *iter,
+ const ir_node *irn);
+ir_node *be_ifg_neighbours_next(neighbours_iter_t *iter);
+void be_ifg_neighbours_break(neighbours_iter_t *iter);
+ir_node *be_ifg_nodes_begin(const be_ifg_t *ifg, nodes_iter_t *iter);
+ir_node *be_ifg_nodes_next(nodes_iter_t *iter);
+void be_ifg_nodes_break(nodes_iter_t *iter);
+int be_ifg_cliques_begin(const be_ifg_t *ifg, cliques_iter_t *iter,
+ ir_node **buf);
+int be_ifg_cliques_next(cliques_iter_t *iter);
+void be_ifg_cliques_break(cliques_iter_t *iter);
+int be_ifg_degree(const be_ifg_t *ifg, const ir_node *irn);
+
+#define be_ifg_foreach_neighbour(ifg, iter, irn, pos) \
+ for(pos = be_ifg_neighbours_begin(ifg, iter, irn); pos != NULL; pos = be_ifg_neighbours_next(iter))
+
+#define be_ifg_foreach_node(ifg, iter, pos) \
+ for(pos = be_ifg_nodes_begin(ifg, iter); pos != NULL; pos = be_ifg_nodes_next(iter))
+
+#define be_ifg_foreach_clique(ifg, iter, buf, count) \
+ for(*(count) = be_ifg_cliques_begin(ifg, iter, buf); \
+ *(count) != -1 ; \
+ *(count) = be_ifg_cliques_next(iter))
-typedef struct _be_ifg_impl_t be_ifg_impl_t;
-typedef struct _be_ifg_t be_ifg_t;
+typedef struct {
+ int n_nodes;
+ int n_edges;
+ int n_comps;
+} be_ifg_stat_t;
-#define be_ifg_nodes_iter_size(self) ((self)->impl->nodes_iter_size)
-#define be_ifg_neighbours_iter_size(self) ((self)->impl->neighbours_iter_size)
+void be_ifg_stat(ir_graph *irg, be_ifg_t *ifg, be_ifg_stat_t *stat);
-#define be_ifg_neighbours_iter_alloca(self) (alloca(be_ifg_neighbours_iter_size(self)))
-#define be_ifg_nodes_iter_alloca(self) (alloca(be_ifg_nodes_iter_size(self)))
+be_ifg_t *be_create_ifg(const be_chordal_env_t *env);
-void (be_ifg_free)(void *self);
-int (be_ifg_connected)(const void *self, const ir_node *a, const ir_node *b);
-ir_node *(be_ifg_neighbours_begin)(const void *self, void *iter, const ir_node *irn);
-ir_node *(be_ifg_neighbours_next)(const void *self, void *iter);
-void (be_ifg_neighbours_break)(const void *self, void *iter);
-ir_node *(be_ifg_nodes_begin)(const void *self, void *iter);
-ir_node *(be_ifg_nodes_next)(const void *self, void *iter);
-void (be_ifg_nodes_break)(const void *self, void *iter);
-int (be_ifg_degree)(const void *self, const ir_node *irn);
+/*
+ ____ _
+ | _ \ _ _ _ __ ___ _ __ (_)_ __ __ _
+ | | | | | | | '_ ` _ \| '_ \| | '_ \ / _` |
+ | |_| | |_| | | | | | | |_) | | | | | (_| |
+ |____/ \__,_|_| |_| |_| .__/|_|_| |_|\__, |
+ |_| |___/
+*/
-#define be_ifg_foreach_neighbour(self, iter, irn, pos) \
- for(pos = be_ifg_neighbours_begin(self, iter, irn); (pos); pos = be_ifg_neighbours_next(self, iter))
+typedef struct be_ifg_dump_dot_cb_t {
+ int (*is_dump_node)(void *self, ir_node *irn);
+ void (*graph_attr)(FILE *f, void *self);
+ void (*node_attr)(FILE *f, void *self, ir_node *irn);
+ void (*edge_attr)(FILE *f, void *self, ir_node *from, ir_node *to);
+ void (*at_begin)(FILE *file, void *self);
+ void (*at_end)(FILE *file, void *self);
+} be_ifg_dump_dot_cb_t;
-#define be_ifg_foreach_node(self, iter, pos) \
- for(pos = be_ifg_nodes_begin(self, iter); (pos); pos = be_ifg_nodes_next(self, iter))
+void be_ifg_dump_dot(be_ifg_t *ifg, ir_graph *irg, FILE *file, const be_ifg_dump_dot_cb_t *cb, void *self);
-#endif /* _BEIFG_H */
+#endif