X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firopt_t.h;h=eb3bdff80e70e42f0d849cb29fc2ccd1bdb42884;hb=8399216d8aebc713bbda04b6e3e250a1d52b20bf;hp=3bee1f3a09e88611eb841b2129bed406d68d3305;hpb=6023590e8c7b401803f9b805886277de002efa19;p=libfirm

diff --git a/ir/ir/iropt_t.h b/ir/ir/iropt_t.h
index 3bee1f3a0..eb3bdff80 100644
--- a/ir/ir/iropt_t.h
+++ b/ir/ir/iropt_t.h
@@ -1,6 +1,14 @@
-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*/
+/*
+ * Project:     libFIRM
+ * File name:   ir/ir/iropt_t.h
+ * Purpose:     iropt --- optimizations intertwined with IR construction -- private header.
+ * Author:      Martin Trapp, Christian Schaefer
+ * Modified by: Goetz Lindenmaier
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 1998-2003 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
 
 /**
 * @file iropt_t.h
@@ -10,8 +18,6 @@
 * @author Martin Trapp, Christian Schaefer
 */
 
-/* $Id$ */
-
 # ifndef _IROPT_T_H_
 # define _IROPT_T_H_
 
@@ -32,5 +38,23 @@ ir_node *optimize_node (ir_node *n);
 
 ir_node *optimize_in_place_2 (ir_node *n);
 
+/* Calculate a hash value of a node. */
+unsigned ir_node_hash (ir_node *node);
+
+/**
+ * Returns the tarval of a Const node or tarval_bad for all other nodes.
+ */
+static INLINE tarval *
+value_of(ir_node *n) {
+  if ((n != NULL) && (get_irn_op(n) == op_Const))
+    return get_Const_tarval(n); /* might return tarval_bad */
+  else
+    return tarval_bad;
+}
+
+/**
+ * set the default ir op operations
+ */
+ir_op *firm_set_default_operations(ir_op *op);
 
 # endif /* _IROPT_T_H_ */