-
+/*
+ * Scheduling utilities for nodes in Blocks and Blocks.
+ *
+ * $Id$
+ */
#ifndef _BESCHED_H
#define _BESCHED_H
#include <stdio.h>
-void be_sched_dump(FILE *f, const ir_graph *irg);
+#include "firm_types.h"
+
+void be_sched_dump(FILE *f, ir_graph *irg);
+
+int sched_get_time_step(const ir_node *irn);
+int sched_has_next(const ir_node *irn);
+int sched_has_prev(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);
+
+/**
+ * Returns the first block of a graphs block schedule.
+ */
+ir_node *sched_irg_first(const ir_graph *irg);
+
+#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))
-int (sched_get_time_step)(const ir_node *irn);
-int (sched_has_succ)(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);
+#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.
* @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.
* @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
+#endif /* _BESCHED_H */