-/**
- * Provides several statistic functions for the backend.
- * @author Christian Wuerdig
- * $Id$
+/*
+ * 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.
*/
-#ifndef _BESTAT_H_
-#define _BESTAT_H_
-
-#include "firm_config.h"
-#include "be_t.h"
-#include "benodesets.h"
-#include "bestatevent.h"
-
-enum {
- STAT_TAG_FILE = 0, /**< tag for source file name */
- STAT_TAG_TIME = 1, /**< tag for time */
- STAT_TAG_IRG = 2, /**< tag for function name (irg) */
- STAT_TAG_CLS = 3, /**< tag for register class (or "<all>") */
- STAT_TAG_LAST
-};
+/**
+ * @file
+ * @brief Provides several statistic functions for the backend.
+ * @author Christian Wuerdig, Matthias Braun
+ */
+#ifndef FIRM_BE_BESTAT_H
+#define FIRM_BE_BESTAT_H
-extern FILE *be_stat_file;
-extern const char *be_stat_tags[STAT_TAG_LAST];
+#include "firm_types.h"
+#include "irnodeset.h"
+#include "bearch.h"
-#ifdef FIRM_STATISTICS
+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);
-/**
- * Collect statistics about amount of ready nodes per block
- * @param block The block
- * @param ready_set A set of ready nodes
- */
-void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);
+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);
/**
- * 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
+ * Collects statistics information about register pressure.
+ * @param irg The irg
*/
-void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size);
+void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls);
/**
- * 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
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
*/
-void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops);
+double be_estimate_irg_costs(ir_graph *irg);
/**
- * Collects node statistics.
- *
- * @param irg the to do statistics for
- * @param phase the phase to collect the statistic for
+ * return number of "instructions" (=nodes without some virtual nodes like Proj,
+ * Start, End)
*/
-void be_do_stat_nodes(ir_graph *irg, const char *phase);
+unsigned long be_count_insns(ir_graph *irg);
/**
- * Performs initialization for be node statistics.
+ * return number of basic blocks (without the end block)
*/
-void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg);
-
-void be_init_stat_file(const char *filename, const char *sourcefilename);
-void be_close_stat_file(void);
-
-#else
-
-#define be_stat_init_irg(arch_env, irg)
-#define be_do_stat_nodes(irg, phase)
-#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)
+unsigned long be_count_blocks(ir_graph *irg);
-#endif /* FIRM_STATISTICS */
-#endif /* _BESTAT_H_ */
+#endif
projects / libfirm / blobdiff