X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestat.h;h=dcfcf3426c0593040d55d00b01229d490603c833;hb=30369d28b8fabe4f66cee12f42ee475d9444cf9e;hp=cd4fe0469d3b092c2563732a9c445a27d6365857;hpb=9816998974bf66859cdfa9b1771dccd36b96966a;p=libfirm

diff --git a/ir/be/bestat.h b/ir/be/bestat.h
index cd4fe0469..dcfcf3426 100644
--- a/ir/be/bestat.h
+++ b/ir/be/bestat.h
@@ -1,56 +1,81 @@
-#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.
+ */
 
-#include "firm_config.h"
-#include "be_t.h"
-#include "benodesets.h"
+/**
+ * @file
+ * @brief       Provides several statistic functions for the backend.
+ * @author      Christian Wuerdig, Matthias Braun
+ */
+#ifndef FIRM_BE_BESTAT_H
+#define FIRM_BE_BESTAT_H
+
+#include "firm_types.h"
+#include "irnodeset.h"
 
-#ifdef FIRM_STATISTICS
+#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_COUNT
+} be_stat_tag_t;
+ENUM_COUNTABLE(be_stat_tag_t)
+typedef unsigned long be_node_stats_t[BE_STAT_COUNT];
 
 /**
- * Collects statistics information about register pressure.
- * @param birg The be irg object containing the irg
+ * Collect statistics about node types
  */
-void be_do_stat_reg_pressure(be_irg_t *birg);
+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);
 
 /**
- * Collect statistics about amount of ready nodes per block
- * @param block     The block
- * @param ready_set A set of ready nodes
+ * Collects statistics information about register pressure.
+ * @param irg    The irg
  */
-void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);
+void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls);
 
 /**
- * Pass information about a perm to the statistic module.
- *
- * @param class_name the name of the register class
- * @param n_regs     number of registers in the register class
- * @param perm       the perm node
- * @param block      the block containing the perm
- * @param size       the size of the perm
- * @param real_size  number of pairs with different registers
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
  */
-void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size);
+double be_estimate_irg_costs(ir_graph *irg);
 
 /**
- * Pass information about a cycle or chain in a perm to the statistic module.
- *
- * @param class_name the name of the register class
- * @param perm       the perm node
- * @param block      the block containing the perm
- * @param is_chain   1 if chain, 0 if cycle
- * @param size       length of the cycle/chain
- * @param n_ops      the number of ops representing this cycle/chain after lowering
+ * return number of "instructions" (=nodes without some virtual nodes like Proj,
+ * Start, End)
  */
-void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops);
-
-#else
+unsigned long be_count_insns(ir_graph *irg);
 
-#define be_do_stat_reg_pressure(birg)
-#define be_do_stat_sched_ready(block, ready_set)
-#define be_do_stat_perm(class_name, n_regs, perm, block, n, real_size)
-#define be_do_stat_permcycle(class_name, perm, block, is_chain, n_elems, n_ops)
+/**
+ * return number of basic blocks (without the end block)
+ */
+unsigned long be_count_blocks(ir_graph *irg);
 
-#endif /* FIRM_STATISTICS */
 
-#endif /* _BESTAT_H_ */
+#endif