fixed the fix of the fix (that was fix)

[libfirm] / ir / be / beutil.c

diff --git a/ir/be/beutil.c b/ir/be/beutil.c
index ee4506c..d0498dd 100644 (file)
--- a/ir/be/beutil.c
+++ b/ir/be/beutil.c
@@ -191,7 +191,9 @@ static void collect_phis(ir_node *irn, void *data)
 
 void be_clear_links(ir_graph *irg)
 {
+       set_using_irn_link(irg);
        irg_walk_graph(irg, firm_clear_link, NULL, NULL);
+       clear_using_irn_link(irg);
 }
 
 void be_collect_phis(ir_graph *irg)
@@ -232,26 +234,6 @@ void be_kill_node(ir_node *irn) {
        edges_node_deleted(irn, irg);
 }
 
-/* FIXME: not used. can be deleted? */
-ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive) {
-       ir_node *irn, *idom;
-
-       /* search the current block */
-       for (irn=sched_prev(start_point_exclusive); irn; irn=sched_prev(irn))
-               if (pset_find_ptr(accept, irn))
-                       return irn;
-
-       /* FIXME: This is obviously buggy: after the first recursive call idom is a block
-          and get_nodes_block will fail.
-                Moreover, why not a simple iteration instead of recursion */
-       idom = get_Block_idom(get_nodes_block(start_point_exclusive));
-
-       if (idom)
-               return dom_up_search(accept, idom); /* continue search in idom-block */
-       else
-               return NULL; /* this was the start block and we did not find an acceptable irn */
-}
-
 /**
  * Gets the Proj with number pn from irn.
  */