fixed some bugs

[libfirm] / ir / be / besched.h

diff --git a/ir/be/besched.h b/ir/be/besched.h
index 1549e87..3640a67 100644 (file)
--- a/ir/be/besched.h
+++ b/ir/be/besched.h
@@ -4,16 +4,30 @@
 
 #include <stdio.h>
 
+#include "irgraph.h"
+#include "irnode.h"
+
 void be_sched_dump(FILE *f, const ir_graph *irg);
 
 int (sched_get_time_step)(const ir_node *irn);
-int (sched_has_succ)(const ir_node *irn);
+int (sched_has_next)(const ir_node *irn);
 int (sched_has_prev)(const ir_node *irn);
-const ir_node *(sched_succ)(const ir_node *irn);
-const ir_node *(sched_prev)(const ir_node *irn);
-const ir_node *(sched_first)(const ir_node *block);
-const ir_node *(sched_last)(const ir_node *block);
-const ir_node *(sched_add)(ir_node *block, const ir_node *irn);
+ir_node *(sched_next)(const ir_node *irn);
+ir_node *(sched_prev)(const ir_node *irn);
+ir_node *(sched_first)(const ir_node *block);
+ir_node *(sched_last)(const ir_node *block);
+ir_node *(sched_add_before)(ir_node *before, ir_node *irn);
+ir_node *(sched_add_after)(ir_node *before, ir_node *irn);
+void (sched_remove)(ir_node *irn);
+
+#define sched_is_end(irn) is_Block(irn)
+#define sched_is_begin(irn) is_Block(irn)
+
+#define sched_foreach_from(from, irn) \
+  for(irn = from; !sched_is_end(irn); irn = sched_next(irn))
+
+#define sched_foreach_reverse_from(from, irn) \
+  for(irn = from; !sched_is_begin(irn); irn = sched_prev(irn))
 
 /**
  * A shorthand macro for iterating over a schedule.
@@ -21,7 +35,7 @@ const ir_node *(sched_add)(ir_node *block, const ir_node *irn);
  * @param irn A ir node pointer used as an iterator.
  */
 #define sched_foreach(block,irn) \
-       for(irn = sched_first(block); irn; irn = sched_succ(irn))
+       sched_foreach_from(sched_first(block), irn)
 
 /**
  * A shorthand macro for reversely iterating over a schedule.
@@ -29,6 +43,6 @@ const ir_node *(sched_add)(ir_node *block, const ir_node *irn);
  * @param irn A ir node pointer used as an iterator.
  */
 #define sched_foreach_reverse(block,irn) \
-       for(irn = sched_last(block); irn; irn = sched_prev(irn))
+  sched_foreach_reverse_from(sched_last(block), irn)
 
 #endif