+/*
+ * 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 "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);