X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbedomfront.c;h=6736b34879ad52be825b9d443c020faf7d72e9a4;hb=b6d85190f667fe9f06e69d9cf3a3c8e004f1350b;hp=d5a3abea75f9d3f16c2197cd0724793730d7aadf;hpb=73d95329a72d4a4e061a6f05fd28200566f26c03;p=libfirm

diff --git a/ir/be/bedomfront.c b/ir/be/bedomfront.c
index d5a3abea7..6736b3487 100644
--- a/ir/be/bedomfront.c
+++ b/ir/be/bedomfront.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -40,7 +40,7 @@
 /**
  * The dominance frontier for a graph.
  */
-struct _be_dom_front_info_t {
+struct be_dom_front_info_t {
 	pmap *df_map;         /**< A map, mapping every block to a list of its dominance frontier blocks. */
 	struct obstack obst;  /**< An obstack holding all the frontier data. */
 };
@@ -72,7 +72,7 @@ static ir_node **compute_df(ir_node *blk, be_dom_front_info_t *info)
 	const ir_edge_t *edge;
 	ir_node **df_list = NEW_ARR_F(ir_node *, 0);
 	ir_node **df;
-	int len;
+	size_t len;
 
 	/* Add local dominance frontiers */
 	foreach_block_succ(blk, edge) {
@@ -89,11 +89,11 @@ static ir_node **compute_df(ir_node *blk, be_dom_front_info_t *info)
 	 * dominated by the given block.
 	 */
 	for (c = get_Block_dominated_first(blk); c; c = get_Block_dominated_next(c)) {
-		int i;
+		size_t i;
 		ir_node **df_c_list = compute_df(c, info);
 
-		for (i = ARR_LEN(df_c_list) - 1; i >= 0; --i) {
-			ir_node *w = df_c_list[i];
+		for (i = ARR_LEN(df_c_list); i > 0;) {
+			ir_node *w = df_c_list[--i];
 			if (get_idom(w) != blk)
 				ARR_APP1(ir_node *, df_list, w);
 		}
@@ -133,5 +133,5 @@ void be_free_dominance_frontiers(be_dom_front_info_t *info)
 ir_node **be_get_dominance_frontier(const be_dom_front_info_t *info,
                                     ir_node *block)
 {
-	return pmap_get(info->df_map, block);
+	return (ir_node**)pmap_get(info->df_map, block);
 }