fix firm backend

[libfirm] / ir / be / beuses.h

diff --git a/ir/be/beuses.h b/ir/be/beuses.h
index 06a97b0..b69ddc1 100644 (file)
--- a/ir/be/beuses.h
+++ b/ir/be/beuses.h
@@ -1,29 +1,44 @@
 /**
  * @file   beuse.h
  * @date   27.06.2005
- * @author Sebastian Hack
+ * @author Sebastian Hack, Matthias Braun
  *
  * Determine future usages of values.
  *
  * Copyright (C) 2005 Universitaet Karlsruhe
  * Released under the GPL
  */
-
 #ifndef _BEUSES_H
 #define _BEUSES_H
 
-#define USES_INFINITY                 1000000
-#define USES_IS_INIFINITE(x)          ((x) >= USES_INFINITY)
+#include "bearch.h"
+#include "belive.h"
+
+typedef struct _be_next_use_t {
+       unsigned time;
+       int outermost_loop;
+} be_next_use_t;
+
+#define USES_INFINITY                 10000000
+#define USES_PENDING                   9999999
+
+static INLINE int USES_IS_INFINITE(unsigned time)
+{
+       return time >= USES_INFINITY;
+}
+
+static INLINE int USES_IS_PENDING(unsigned time)
+{
+       return time == USES_PENDING;
+}
 
-typedef struct _loc_t loc_t;
 typedef struct _be_uses_t be_uses_t;
 
-unsigned be_get_next_use(be_uses_t *uses, const ir_node *from,
-    unsigned from_step, const ir_node *def);
+be_next_use_t be_get_next_use(be_uses_t *uses, ir_node *from,
+                         unsigned from_step, const ir_node *def,
+                         int skip_from_uses);
 
-be_uses_t *be_begin_uses(ir_graph *irg,
-    const arch_env_t *arch_env,
-    const arch_register_class_t *cls);
+be_uses_t *be_begin_uses(ir_graph *irg, const be_lv_t *lv);
 
 void be_end_uses(be_uses_t *uses);