X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeifg.h;h=275be325830892579ce9d76b9cbe8ca0f4ea3885;hb=9181bbbb24cd351c0e21c538bcf0341674e0c3fc;hp=18910b67919ed68f0bb95524cfda1546003938dc;hpb=2822b67ee0e55acbdc420a9dc9a29d7e2b3f4723;p=libfirm

diff --git a/ir/be/beifg.h b/ir/be/beifg.h
index 18910b679..275be3258 100644
--- a/ir/be/beifg.h
+++ b/ir/be/beifg.h
@@ -1,40 +1,86 @@
+/*
+ * This file is part of libFirm.
+ * Copyright (C) 2012 University of Karlsruhe.
+ */
+
 /**
- * @file   beifg.h
- * @date   18.11.2005
- * @author Sebastian Hack
- *
- * Copyright (C) 2005 Universitaet Karlsruhe
- * Released under the GPL
+ * @file
+ * @brief       Interface for interference graphs.
+ * @author      Sebastian Hack
+ * @date        18.11.2005
  */
+#ifndef FIRM_BE_BEIFG_H
+#define FIRM_BE_BEIFG_H
+
+#include "be_types.h"
+#include "bechordal.h"
+#include "irnodeset.h"
+#include "pset.h"
+
+struct be_ifg_t {
+	const be_chordal_env_t *env;
+};
+
+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;
 
-#ifndef _BEIFG_H
-#define _BEIFG_H
+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;
 
-#include "irnode.h"
+void     be_ifg_free(be_ifg_t *ifg);
+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);
+nodes_iter_t be_ifg_nodes_begin(be_ifg_t const *ifg);
+ir_node *be_ifg_nodes_next(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);
 
-typedef struct _be_ifg_impl_t   be_ifg_impl_t;
-typedef struct _be_ifg_t        be_ifg_t;
+#define be_ifg_foreach_neighbour(ifg, iter, irn, pos) \
+	for (ir_node *pos = be_ifg_neighbours_begin(ifg, iter, irn); pos; pos = be_ifg_neighbours_next(iter))
 
-#define be_ifg_nodes_iter_size(self)              ((self)->impl->nodes_iter_size)
-#define be_ifg_neighbours_iter_size(self)         ((self)->impl->neighbours_iter_size)
+#define be_ifg_foreach_node(ifg, pos) \
+	for (bool pos##__once = true; pos##__once;) \
+		for (nodes_iter_t pos##__iter = be_ifg_nodes_begin(ifg); pos##__once; pos##__once = false) \
+			for (ir_node *pos; (pos = be_ifg_nodes_next(&pos##__iter));)
 
-#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)))
+#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))
 
-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);
+typedef struct {
+	int n_nodes;
+	int n_edges;
+	int n_comps;
+} be_ifg_stat_t;
 
-#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))
+void be_ifg_stat(ir_graph *irg, be_ifg_t *ifg, be_ifg_stat_t *stat);
 
-#define be_ifg_foreach_node(self, iter, pos) \
-	for(pos = be_ifg_nodes_begin(self, iter); (pos); pos = be_ifg_nodes_next(self, iter))
+be_ifg_t *be_create_ifg(const be_chordal_env_t *env);
 
-#endif /* _BEIFG_H */
+#endif