Changed phase node initializer to take const ir_node

[libfirm] / ir / be / besched.h

diff --git a/ir/be/besched.h b/ir/be/besched.h
index 22439bc..9deda2a 100644 (file)
--- a/ir/be/besched.h
+++ b/ir/be/besched.h
@@ -1,34 +1,57 @@
 /*
- * Scheduling utilities for nodes in Blocks and Blocks.
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
  *
- * $Id$
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
-#ifndef _BESCHED_H
-#define _BESCHED_H
 
-#include <stdio.h>
+/**
+ * @file
+ * @brief       Scheduling utilities for nodes in Blocks and Blocks.
+ * @author      Sebastian Hack
+ * @version     $Id$
+ */
+#ifndef FIRM_BE_BESCHED_H
+#define FIRM_BE_BESCHED_H
 
-#include "firm_types.h"
+#include <stdio.h>
 
-#include "execfreq.h"
+#include "irgraph.h"
+#include "irnode.h"
+#include "beirg.h"
 
 void be_sched_dump(FILE *f, ir_graph *irg);
 
+/**
+ * returns the time step of a node. Each node in a block has a timestep
+ * unique to that block. a node schedule before another node has a lower
+ * timestep than this node.
+ */
 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);
+int     sched_is_scheduled(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);
+void    sched_add_before(const ir_node *before, const ir_node *irn);
+void    sched_add_after(const ir_node *after, const ir_node *irn);
+void    sched_init_block(const ir_node *block);
+void    sched_reset(const ir_node *node);
+void    sched_remove(const ir_node *irn);
 
 #define sched_is_end(irn) is_Block(irn)
 #define sched_is_begin(irn) is_Block(irn)
@@ -55,23 +78,13 @@ ir_node *sched_irg_first(const ir_graph *irg);
 #define sched_foreach_reverse(block,irn) \
   sched_foreach_reverse_from(sched_last(block), irn)
 
-/**
- * Calculates a block schedule. The schedule is returned as
- * an array allocated on the irg's obstack.
- *
- * @param irg  the graph to be scheduled
- *
- * @return A list of all blocks in schedule order. This list is
- *         allocated on irg's obstack and is freed if the graph is destroyed.
- *
- * This function implements a simple extended block scheduling algorithm.
- */
-ir_node **sched_create_block_schedule(ir_graph *irg, exec_freq_t *execfreqs);
-
 /**
  * Removes dead nodes from schedule
  * @param irg  the graph
  */
-void be_remove_dead_nodes_from_schedule(ir_graph *irg);
+void be_remove_dead_nodes_from_schedule(be_irg_t *birg);
+
+void be_sched_init_phase(ir_graph *irg);
+void be_sched_free_phase(ir_graph *irg);
 
-#endif /* _BESCHED_H */
+#endif /* FIRM_BE_BESCHED_H */