X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeifg.h;h=275be325830892579ce9d76b9cbe8ca0f4ea3885;hb=6ee1fce95429dbf57fda4455ca5f2cf011ac8190;hp=e0dbaa7fb8b94f998fde0c9078a4b1506551e4c4;hpb=91b30739e3275be5d0c55e28c8ec79799862e600;p=libfirm

diff --git a/ir/be/beifg.h b/ir/be/beifg.h
index e0dbaa7fb..275be3258 100644
--- a/ir/be/beifg.h
+++ b/ir/be/beifg.h
@@ -1,20 +1,6 @@
 /*
- * 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.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
+ * Copyright (C) 2012 University of Karlsruhe.
  */
 
 /**
@@ -62,15 +48,12 @@ typedef struct cliques_iter_t {
 } 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);
+nodes_iter_t be_ifg_nodes_begin(be_ifg_t const *ifg);
 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);
@@ -80,8 +63,10 @@ int      be_ifg_degree(const be_ifg_t *ifg, const ir_node *irn);
 #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_foreach_node(ifg, iter, pos) \
-	for (ir_node *pos = be_ifg_nodes_begin(ifg, iter); pos; pos = be_ifg_nodes_next(iter))
+#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_foreach_clique(ifg, iter, buf, count) \
 	for(*(count) = be_ifg_cliques_begin(ifg, iter, buf); \