Do not emit cld in the CopyB prologue. The ABI mandates that DF is cleared, so do...
[libfirm] / ir / be / bedomfront.c
index 65886a9..2e8ed01 100644 (file)
@@ -115,7 +115,7 @@ ir_node **compute_df(ir_node *blk, be_dom_front_info_t *info)
 
 be_dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg)
 {
-       be_dom_front_info_t *info = xmalloc(sizeof(*info));
+       be_dom_front_info_t *info = XMALLOC(be_dom_front_info_t);
 
        edges_assure(irg);
        obstack_init(&info->obst);
@@ -140,6 +140,7 @@ ir_node **be_get_dominance_frontier(const be_dom_front_info_t *info,
        return pmap_get(info->df_map, block);
 }
 
+#if 0
 /**
  * Calculates the iterated dominance frontier of a set of blocks.
  * Also clears the link field of the returned blocks as a side effect
@@ -163,12 +164,11 @@ void be_get_iterated_dominance_frontiers(const be_dom_front_info_t *domfronts,
 
                for (i = 0; i < domfront_len; ++i) {
                        ir_node *y = domfront[i];
-                       if(!ir_nodeset_insert(blocks, y))
-                               continue;
-
-                       waitq_put(worklist, y);
+                       if (ir_nodeset_insert(blocks, y))
+                               waitq_put(worklist, y);
                }
        }
 
        del_waitq(worklist);
 }
+#endif