make libfirm faster

[libfirm] / ir / ana / irdom.c

diff --git a/ir/ana/irdom.c b/ir/ana/irdom.c
index fefdc79..6eee300 100644 (file)
--- a/ir/ana/irdom.c
+++ b/ir/ana/irdom.c
@@ -1,13 +1,18 @@
-/* Copyright (C) 2002 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors:  Goetz Lindenmaier
-*
-* irdom.c --- Dominator tree.
-*
-*/
-
-/* $Id$ */
+/*
+ * Project:     libFIRM
+ * File name:   ir/ana/irdom.c
+ * Purpose:     Construct and access dominator tree.
+ * Author:      Goetz Lindenmaier
+ * Modified by:
+ * Created:     2.2002
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2002-2003 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "irouts.h"
 
@@ -17,7 +22,7 @@
 #include "irnode_t.h"
 
 /**********************************************************************/
-/** Accessing the dominator datastructures                           **/
+/** Accessing the dominator data structures                          **/
 /**********************************************************************/
 
 ir_node *get_Block_idom(ir_node *bl) {
@@ -204,11 +209,13 @@ void compute_doms(ir_graph *irg) {
 
 
   for (i = n_blocks-1; i > 0; i--) {  /* Don't iterate the root, it's done. */
+    int irn_arity;
     tmp_dom_info *w = &tdi_list[i];
     tmp_dom_info *v;
 
     /* Step 2 */
-    for (j = 0;  j < get_irn_arity(w->block);  j++) {
+    irn_arity = intern_get_irn_arity(w->block);
+    for (j = 0;  j < irn_arity;  j++) {
       ir_node *pred = get_nodes_Block(get_Block_cfgpred(w->block, j));
       tmp_dom_info *u;