-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Author: Christian Schaefer
-**
-** irgraph.h: ir graph verification
-*/
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irvrfy.h
+ * Purpose: Check irnodes for correctness.
+ * Author: Christian Schaefer
+ * Modified by: Goetz Lindenmaier. Till Riedel
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
-/* $Id$ */
+/**
+* @file irvrfy.h
+*
+* ir graph verification.
+*
+* @author Christian Schaefer
+*/
# ifndef _IRVRFY_H_
# define _IRVRFY_H_
# include "irnode.h"
# include "irgraph.h"
-/* Tests the modes of chechnode and its predecessors.
- Checknode must be in current_ir_graph. */
-void irn_vrfy (struct ir_node *checknode);
+/** Turns verification of nodes on.
+ *
+ * This flag turns verification of nodes on. Per default the
+ * verification is on. Turn the verification off
+ * during development to check partial implementations.
+ */
+void do_node_verification(bool b);
+
+/**
+ * Tests the modes of chechnode and its predecessors.
+ * Checknode must be in current_ir_graph.
+ *
+ * \return
+ * NON-zero on success
+ */
+int irn_vrfy(struct ir_node *checknode);
+
+/**
+ * Tests the modes of checknode and its predecessors.
+ * Checknode must be in given ir_graph.
+ *
+ * \return
+ * NON-zero on success
+ */
+int irn_vrfy_irg(struct ir_node *checknode, ir_graph *irg);
+
-/* Calls irn_vrfy for each node in irg. */
-void irg_vrfy (ir_graph *irg);
+/**
+ * Calls irn_vrfy for each node in irg.
+ * Graph must be in state "pinned".
+ *
+ * \return
+ * NON-zero on success.
+ */
+int irg_vrfy(ir_graph *irg);
# endif /* _IRVRFY_H_ */