X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode.h;h=e9991797cacb108f96ce32c52f3bb9f3619c267c;hb=097a68ff443e267f0de3d5455a580f8394f710b2;hp=ebdbf0aed1eedd05f5e55ba04c6ed34c23490c70;hpb=75da6f9fb1f03333a5faf5c4479bbe6917981b74;p=libfirm

diff --git a/ir/ir/irnode.h b/ir/ir/irnode.h
index ebdbf0aed..e9991797c 100644
--- a/ir/ir/irnode.h
+++ b/ir/ir/irnode.h
@@ -105,9 +105,19 @@ void          set_irn_in            (ir_node *node, int arity, ir_node *in[]);
 /**
  * Get the n-th predecessor of a node.
  * This function removes Id predecessors.
+ * This function automatically handles intra- and interprocedural views.
  */
 ir_node      *get_irn_n             (const ir_node *node, int n);
+
+/**
+ * Get the n-th predecessor of a node in intraprocedural view.
+ * Can be used always if it's know that node is not a split one.
+ */
 ir_node      *get_irn_intra_n       (const ir_node *node, int n);
+
+/**
+ * Get the n-th predecessor of a node in interprocedural view.
+ */
 ir_node      *get_irn_inter_n       (const ir_node *node, int n);
 
 /** Replace the n-th predecessor of a node with a new one. */