added function declaration

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index fb0ca9e..93cdea3 100644 (file)
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -414,6 +414,14 @@ void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
  */
 void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
 
+/**
+ * Set the register requirement type of a node.
+ * @param irn The node itself.
+ * @param pos The position (0..n) for arguments, (-1..-m) for results.
+ * @param flags The register requirement type to set for that node and position.
+ */
+void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type);
+
 /**
  * Make a new phi handler.
  * @param env The architecture environment.