X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestat.h;h=ce1e3f60c18d5bfcbdd6464f81dee58cbebcf271;hb=4265d3c97c543f9c5d159d62117fb5de65a66df8;hp=04e246269cbf6ccc10481ca50357b122f4cf5727;hpb=21be21bc5d75b5ec68149e5099ed2420c08ea168;p=libfirm diff --git a/ir/be/bestat.h b/ir/be/bestat.h index 04e246269..ce1e3f60c 100644 --- a/ir/be/bestat.h +++ b/ir/be/bestat.h @@ -1,30 +1,83 @@ -#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_config.h" -#include "be_t.h" -#include "benodesets.h" +#include "firm_types.h" +#include "irnodeset.h" -#ifdef FIRM_STATISTICS +#include "beirg.h" +#include "bestatevent.h" +#include "bearch.h" + +enum be_stat_tag_t { + BE_STAT_PHIS, /**< 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 +}; +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, be_irg_t *birg); + +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 */ -void be_do_stat_reg_pressure(be_irg_t *birg); +void be_do_stat_reg_pressure(be_irg_t *birg, const arch_register_class_t *cls); /** - * Collect statistics about amount of ready nodes per block - * @param block The block - * @param ready_set A set of ready nodes + * Gives a cost estimate for the program (based on execution frequencies) + * and backend op_estimated_cost */ -void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set); +double be_estimate_irg_costs(ir_graph *irg, ir_exec_freq *execfreqs); -#else +/** + * return number of "instructions" (=nodes without some virtual nodes like Proj, + * Start, End) + */ +unsigned long be_count_insns(ir_graph *irg); -#define be_do_stat_reg_pressure(birg) -#define be_do_stat_sched_ready(block, ready_set) +/** + * return number of basic blocks (without the end block) + */ +unsigned long be_count_blocks(ir_graph *irg); -#endif /* FIRM_STATISTICS */ -#endif /* _BESTAT_H_ */ +#endif