Use symbolic names instead of magic values for the position parameter of get_irn_n().

[libfirm] / ir / be / beuses.h

diff --git a/ir/be/beuses.h b/ir/be/beuses.h
index 9fb4543..17b838a 100644 (file)
--- a/ir/be/beuses.h
+++ b/ir/be/beuses.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -18,28 +18,26 @@
  */
 
 /**
- * @file   beuse.h
- * @date   27.06.2005
- * @author Sebastian Hack, Matthias Braun
- *
- * Determine future usages of values.
- *
- * Copyright (C) 2005 Universitaet Karlsruhe
- * Released under the GPL
+ * @file
+ * @brief       Methods to compute when a value will be used again.
+ * @author      Sebastian Hack, Matthias Braun
+ * @date        27.06.2005
+ * @version     $Id$
  */
-#ifndef _BEUSES_H
-#define _BEUSES_H
+#ifndef FIRM_BE_BEUSES_H
+#define FIRM_BE_BEUSES_H
 
-#include "bearch_t.h"
+#include "firm_types.h"
 #include "belive.h"
 
 typedef struct _be_next_use_t {
-       unsigned time;
-       int outermost_loop;
+       unsigned       time;
+       int            outermost_loop;
+       const ir_node *before;
 } be_next_use_t;
 
-#define USES_INFINITY                 10000000
-#define USES_PENDING                   9999999
+#define USES_INFINITY  10000000
+#define USES_PENDING   9999999
 
 static INLINE int USES_IS_INFINITE(unsigned time)
 {
@@ -61,4 +59,4 @@ be_uses_t *be_begin_uses(ir_graph *irg, const be_lv_t *lv);
 
 void be_end_uses(be_uses_t *uses);
 
-#endif /* _BEUSES_H */
+#endif /* FIRM_BE_BEUSES_H */