becopyheur4: Clean up co_mst_irn_init().

[libfirm] / ir / be / beifg.h

diff --git a/ir/be/beifg.h b/ir/be/beifg.h
index 571cd89..275be32 100644 (file)
--- a/ir/be/beifg.h
+++ b/ir/be/beifg.h
@@ -48,15 +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);
@@ -66,8 +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); \