-#ifndef _BESTAT_H_
-#define _BESTAT_H_
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief Provides several statistic functions for the backend.
+ * @author Christian Wuerdig, Matthias Braun
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BESTAT_H
+#define FIRM_BE_BESTAT_H
+
+#include "firm_types.h"
+#include "irnodeset.h"
-#include "be_t.h"
-#include "benodesets.h"
+#include "beirg.h"
+#include "bestatevent.h"
+#include "bearch.h"
+
+typedef enum be_stat_tag_t {
+ BE_STAT_FIRST,
+ BE_STAT_PHIS = BE_STAT_FIRST, /**< phi count (excluding mem-phis) */
+ BE_STAT_MEM_PHIS, /**< memory-phi count */
+ BE_STAT_COPIES, /**< copies */
+ BE_STAT_PERMS, /**< perms */
+ BE_STAT_SPILLS, /**< spills (also folded spills) */
+ BE_STAT_RELOADS, /**< reloads (also folded reloads) */
+ BE_STAT_REMATS, /**< rematerialized nodes */
+ BE_STAT_COUNT
+} be_stat_tag_t;
+ENUM_COUNTABLE(be_stat_tag_t)
+typedef unsigned long be_node_stats_t[BE_STAT_COUNT];
+
+/**
+ * Collect statistics about node types
+ */
+void be_collect_node_stats(be_node_stats_t *stats, ir_graph *irg);
+
+void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub);
+
+void be_copy_node_stats(be_node_stats_t *dest, be_node_stats_t *src);
+
+void be_emit_node_stats(be_node_stats_t *stats, const char *prefix);
/**
* Collects statistics information about register pressure.
- * @param birg The be irg object containing the irg
+ * @param irg The irg
+ */
+void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls);
+
+/**
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
*/
-void be_do_stat_reg_pressure(be_irg_t *birg);
+double be_estimate_irg_costs(ir_graph *irg, ir_exec_freq *execfreqs);
/**
- * Collect statistics about amount of redy nodes per block
- * @param block The block
- * @param ready_set A set of ready nodes
+ * return number of "instructions" (=nodes without some virtual nodes like Proj,
+ * Start, End)
*/
-void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);
+unsigned long be_count_insns(ir_graph *irg);
+
+/**
+ * return number of basic blocks (without the end block)
+ */
+unsigned long be_count_blocks(ir_graph *irg);
+
-#endif /* _BESTAT_H_ */
+#endif