Added iteration macro

[r4892]

diff --git a/ir/ana/irdom.h b/ir/ana/irdom.h
index fadfe75..3ff3037 100644 (file)
--- a/ir/ana/irdom.h
+++ b/ir/ana/irdom.h
@@ -88,6 +88,16 @@ ir_node *get_Block_dominated_first(const ir_node *bl);
  */
 ir_node *get_Block_dominated_next(const ir_node *dom);
 
+/**
+ * Iterate over all nodes which are immediately dominated by a given
+ * node.
+ * @param bl The block whose dominated blocks shall be iterated on.
+ * @param curr An iterator variable of type ir_node*
+ */
+#define dominates_for_each(bl,curr) \
+       for(curr = get_Block_dominated_first(bl); curr; \
+                       curr = get_Block_dominated_next(curr))
+
 /**
  * Check, if a block dominates another block.
  * @param a The first block.