bestat.h 2.29 KB
Newer Older
Christian Würdig's avatar
Christian Würdig committed
1
/*
Michael Beck's avatar
Michael Beck committed
2
 * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
Christian Würdig's avatar
Christian Würdig committed
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 *
 * 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.
 */

Christian Würdig's avatar
Christian Würdig committed
20
/**
Christian Würdig's avatar
Christian Würdig committed
21
22
 * @file
 * @brief       Provides several statistic functions for the backend.
Matthias Braun's avatar
Matthias Braun committed
23
 * @author      Christian Wuerdig, Matthias Braun
Christian Würdig's avatar
Christian Würdig committed
24
 */
Christian Würdig's avatar
Christian Würdig committed
25
26
#ifndef FIRM_BE_BESTAT_H
#define FIRM_BE_BESTAT_H
27

Michael Beck's avatar
Michael Beck committed
28
#include "firm_types.h"
Christian Würdig's avatar
Christian Würdig committed
29
30
31
#include "irnodeset.h"

#include "beirg.h"
32
#include "bestatevent.h"
Christian Würdig's avatar
Christian Würdig committed
33
#include "bearch.h"
34

35
36
37
38
39
40
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 */
Matthias Braun's avatar
Matthias Braun committed
41
	BE_STAT_COUNT
42
43
} be_stat_tag_t;
ENUM_COUNTABLE(be_stat_tag_t)
Matthias Braun's avatar
Matthias Braun committed
44
typedef unsigned long be_node_stats_t[BE_STAT_COUNT];
45

Matthias Braun's avatar
Matthias Braun committed
46
47
48
/**
 * Collect statistics about node types
 */
49
void be_collect_node_stats(be_node_stats_t *stats, ir_graph *irg);
Matthias Braun's avatar
Matthias Braun committed
50
51

void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub);
52

Matthias Braun's avatar
Matthias Braun committed
53
void be_copy_node_stats(be_node_stats_t *dest, be_node_stats_t *src);
54

Matthias Braun's avatar
Matthias Braun committed
55
void be_emit_node_stats(be_node_stats_t *stats, const char *prefix);
56

57
58
/**
 * Collects statistics information about register pressure.
59
 * @param irg    The irg
60
 */
61
void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls);
62

63
/**
Matthias Braun's avatar
Matthias Braun committed
64
65
 * Gives a cost estimate for the program (based on execution frequencies)
 * and backend op_estimated_cost
Christian Würdig's avatar
Christian Würdig committed
66
 */
67
double be_estimate_irg_costs(ir_graph *irg, ir_exec_freq *execfreqs);
Christian Würdig's avatar
Christian Würdig committed
68

Christian Würdig's avatar
Christian Würdig committed
69
/**
Matthias Braun's avatar
Matthias Braun committed
70
71
 * return number of "instructions" (=nodes without some virtual nodes like Proj,
 * Start, End)
Christian Würdig's avatar
Christian Würdig committed
72
 */
Matthias Braun's avatar
Matthias Braun committed
73
unsigned long be_count_insns(ir_graph *irg);
Christian Würdig's avatar
Christian Würdig committed
74
75

/**
Matthias Braun's avatar
Matthias Braun committed
76
 * return number of basic blocks (without the end block)
Christian Würdig's avatar
Christian Würdig committed
77
 */
Matthias Braun's avatar
Matthias Braun committed
78
unsigned long be_count_blocks(ir_graph *irg);
79

Matthias Braun's avatar
Matthias Braun committed
80

Matthias Braun's avatar
Matthias Braun committed
81
#endif