Complement r22830.
[libfirm] / ir / be / becopystat.c
index 4d59f2b..37f4e19 100644 (file)
@@ -1,27 +1,49 @@
+/*
+ * 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.
+ */
+
 /**
- * Author:      Daniel Grund
- * Date:               19.04.2005
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * @file
+ * @brief       Copy node statistics.
+ * @author      Daniel Grund
+ * @date        19.04.2005
+ * @version     $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <string.h>
-#include <libcore/lc_timing.h>
 
-#include "xmalloc.h"
+#include "timing.h"
 #include "irgraph.h"
 #include "irgwalk.h"
 #include "irprog.h"
 #include "iredges_t.h"
-#include "phiclass_t.h"
+#include "phiclass.h"
+#include "irnodeset.h"
+
 #include "bechordal_t.h"
+#include "benode_t.h"
 #include "beutil.h"
 #include "becopyopt_t.h"
 #include "becopystat.h"
 #include "beirg_t.h"
+#include "bemodule.h"
+#include "beintlive_t.h"
 
 #define DEBUG_LVL SET_LEVEL_1
 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
@@ -89,53 +111,54 @@ enum vals_t {
  */
 int curr_vals[ASIZE];
 
-static pset *all_phi_nodes;
-static pset *all_phi_classes;
-static pset *all_copy_nodes;
+static ir_nodeset_t *all_phi_nodes;
+static ir_nodeset_t *all_copy_nodes;
 static ir_graph *last_irg;
 
-void copystat_init(void) {
+void be_init_copystat(void) {
        FIRM_DBG_REGISTER(dbg, "firm.be.copystat");
 
-       all_phi_nodes   = pset_new_ptr_default();
-       all_phi_classes = pset_new_ptr_default();
-       all_copy_nodes  = pset_new_ptr_default();
+       all_phi_nodes  = ir_nodeset_new(64);
+       all_copy_nodes = ir_nodeset_new(64);
+       memset(curr_vals, 0, sizeof(curr_vals));
 }
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copystat);
+
+void be_quit_copystat(void) {
+       ir_nodeset_del(all_phi_nodes);
+       ir_nodeset_del(all_copy_nodes);
+}
+BE_REGISTER_MODULE_DESTRUCTOR(be_quit_copystat);
 
 void copystat_reset(void) {
-       int i;
-       for (i = 0; i < ASIZE; ++i)
-               curr_vals[i] = 0;
-       del_pset(all_phi_nodes);
-       del_pset(all_phi_classes);
-       del_pset(all_copy_nodes);
-       all_phi_nodes = pset_new_ptr_default();
-       all_phi_classes = pset_new_ptr_default();
-       all_copy_nodes = pset_new_ptr_default();
+       be_quit_copystat();
+       be_init_copystat();
 }
 
 /**
  * Collect general data
  */
-static void irg_stat_walker(ir_node *node, void *env) {
-       arch_env_t *arch_env = env;
+static void irg_stat_walker(ir_node *node, void *env)
+{
+       (void)env;
+
        curr_vals[I_ALL_NODES]++; /* count all nodes */
 
        if (is_Block(node)) /* count all blocks */
                curr_vals[I_BLOCKS]++;
 
        if (is_Reg_Phi(node)) /* collect phis */
-               pset_insert_ptr(all_phi_nodes, node);
+               ir_nodeset_insert(all_phi_nodes, node);
 
-       if (is_Perm_Proj(arch_env, node))
-               pset_insert_ptr(all_copy_nodes, node);
+       if (is_Perm_Proj(node))
+               ir_nodeset_insert(all_copy_nodes, node);
 
        /* TODO: Add 2-Addr-Code nodes */
 }
 
-static void copystat_collect_irg(ir_graph *irg, arch_env_t *arch_env) {
-       irg_walk_graph(irg, irg_stat_walker, NULL, arch_env);
-       all_phi_classes = phi_class_compute_by_phis(all_phi_nodes);
+static void copystat_collect_irg(ir_graph *irg)
+{
+       irg_walk_graph(irg, irg_stat_walker, NULL, NULL);
        last_irg = irg;
 }
 
@@ -166,10 +189,12 @@ static INLINE int was_edge_critical(const ir_node *bl, int pos) {
 /**
  * Collect phi node data
  */
-static void stat_phi_node(be_chordal_env_t *chordal_env, ir_node *phi) {
+static void stat_phi_node(be_chordal_env_t *chordal_env, ir_node *phi)
+{
        int arity, i;
        ir_node *phi_bl;
        assert(is_Phi(phi));
+       (void) chordal_env;
 
        /* count all phi phis */
        curr_vals[I_PHI_CNT]++;
@@ -219,7 +244,7 @@ static void stat_phi_node(be_chordal_env_t *chordal_env, ir_node *phi) {
 static void stat_copy_node(be_chordal_env_t *chordal_env, ir_node *root) {
        curr_vals[I_CPY_CNT]++;
        curr_vals[I_COPIES_MAX]++;
-       if (nodes_interfere(chordal_env, root, get_Perm_src(root))) {
+       if (values_interfere(chordal_env->birg, root, get_Perm_src(root))) {
                curr_vals[I_COPIES_IF]++;
                assert(0 && "A Perm pair (in/out) should never interfere!");
        }
@@ -228,78 +253,74 @@ static void stat_copy_node(be_chordal_env_t *chordal_env, ir_node *root) {
 /**
  * Collect phi class data
  */
-static void stat_phi_class(be_chordal_env_t *chordal_env, pset *pc) {
+static void stat_phi_class(be_chordal_env_t *chordal_env, ir_node **pc) {
        int i, o, size, if_free, phis;
-       ir_node **members, *p;
 
        /* phi class count */
        curr_vals[I_CLS_CNT]++;
 
        /* phi class size */
-       size = pset_count(pc);
+       size = ARR_LEN(pc);
        if (size > MAX_CLS_SIZE)
                curr_vals[I_CLS_SIZE_E]++;
        else
                curr_vals[I_CLS_SIZE_S + size]++;
 
-       /* get an array of all members for double iterating */
-       members = xmalloc(size * sizeof(*members));
-       DBG((dbg, LEVEL_2, "Phi-class:\n"));
-       for (i = 0, p = pset_first(pc); p; p = pset_next(pc)) {
-               DBG((dbg, LEVEL_2, "  %+F\n", p));
-               members[i++] = p;
-       }
-       assert(i == size);
-
        /* determine number of phis on this class */
-       phis = 0;
-       for (i = 0; i < size; ++i)
-               if (is_Phi(members[i]))
+       for (phis = i = 0; i < size; ++i)
+               if (is_Phi(pc[i]))
                        phis++;
+
        if (phis > MAX_CLS_PHIS)
                curr_vals[I_CLS_PHIS_E]++;
        else
                curr_vals[I_CLS_PHIS_S + phis]++;
 
        /* determine interference of phi class members */
-       curr_vals[I_CLS_IF_MAX] += size*(size-1)/2;
-       if_free = 1;
-       for (i = 0; i < size-1; ++i)
-               for (o = i+1; o < size; ++o)
-                       if (nodes_interfere(chordal_env, members[i], members[o])) {
+       curr_vals[I_CLS_IF_MAX] += size * (size - 1) / 2;
+       for (if_free = 1, i = 0; i < size - 1; ++i)
+               for (o = i + 1; o < size; ++o)
+                       if (values_interfere(chordal_env->birg, pc[i], pc[o])) {
                                if_free = 0;
                                curr_vals[I_CLS_IF_CNT]++;
                        }
 
        /* Does this phi class have an inner interference? */
        curr_vals[I_CLS_IF_FREE] += if_free;
-
-       xfree(members);
 }
 
-void copystat_collect_cls(be_chordal_env_t *cenv) {
-       ir_node *n;
-       pset *pc;
-       ir_graph *irg = cenv->irg;
-       arch_env_t *aenv = cenv->birg->main_env->arch_env;
+static void copystat_collect_cls(be_chordal_env_t *cenv) {
+       ir_graph              *irg  = cenv->irg;
+       ir_node               *n, **pc;
+       phi_classes_t         *pc_obj;
+       pset                  *all_phi_classes;
+       ir_nodeset_iterator_t iter;
 
        copystat_reset();
-       copystat_collect_irg(irg, aenv);
+       copystat_collect_irg(irg);
 
-       for (n = pset_first(all_phi_nodes); n; n = pset_next(all_phi_nodes))
-               if (arch_get_irn_reg_class(aenv, n, -1) == cenv->cls)
+       /* compute the Phi classes of the collected Phis */
+       pc_obj          = phi_class_new_from_set(cenv->irg, all_phi_nodes, 0);
+       all_phi_classes = get_all_phi_classes(pc_obj);
+
+       foreach_ir_nodeset(all_phi_nodes, n, iter) {
+               if (arch_get_irn_reg_class(n, -1) == cenv->cls)
                        stat_phi_node(cenv, n);
+       }
 
-       for (n = pset_first(all_copy_nodes); n; n = pset_next(all_copy_nodes))
-               if (arch_get_irn_reg_class(aenv, n, -1) == cenv->cls)
+       foreach_ir_nodeset(all_copy_nodes, n, iter) {
+               if (arch_get_irn_reg_class(n, -1) == cenv->cls)
                        stat_copy_node(cenv, n);
+       }
 
-       for (pc = pset_first(all_phi_classes); pc; pc = pset_next(all_phi_classes)) {
-               ir_node *member = pset_first(pc);
-               pset_break(pc);
-               if (arch_get_irn_reg_class(aenv, member, -1) == cenv->cls)
+       foreach_pset(all_phi_classes, pc) {
+               ir_node *member = pc[0];
+               if (arch_get_irn_reg_class(member, -1) == cenv->cls)
                        stat_phi_class(cenv, pc);
        }
+
+       /* free the phi class object */
+       phi_class_free(pc_obj);
 }
 
 void copystat_add_max_costs(int costs) {
@@ -351,7 +372,7 @@ void copystat_dump(ir_graph *irg) {
 
        snprintf(buf, sizeof(buf), "%s__%s", get_irp_prog_name(), get_entity_name(get_irg_entity(irg)));
        buf[sizeof(buf) - 1] = '\0';
-       out = ffopen(buf, "stat", "wt");
+       out = be_ffopen(buf, "stat", "wt");
 
        fprintf(out, "%d\n", ASIZE);
        for (i = 0; i < ASIZE; i++) {
@@ -375,7 +396,7 @@ void copystat_dump_pretty(ir_graph *irg) {
 
        snprintf(buf, sizeof(buf), "%s__%s", get_irp_prog_name(), get_entity_name(get_irg_entity(irg)));
        buf[sizeof(buf) - 1] = '\0';
-       out = ffopen(buf, "pstat", "wt");
+       out = be_ffopen(buf, "pstat", "wt");
 
        fprintf(out, "Nodes     %4d\n", curr_vals[I_ALL_NODES]);
        fprintf(out, "Blocks    %4d\n", curr_vals[I_BLOCKS]);
@@ -421,7 +442,6 @@ void copystat_dump_pretty(ir_graph *irg) {
  * Used to get dependable and comparable benchmark results.
  */
 typedef struct color_saver {
-       arch_env_t *arch_env;
        be_chordal_env_t *chordal_env;
        pmap *saved_colors;
        int flag; /* 0 save, 1 load */
@@ -429,13 +449,13 @@ typedef struct color_saver {
 
 static void save_load(ir_node *irn, void *env) {
        color_save_t *saver = env;
-       if (saver->chordal_env->cls == arch_get_irn_reg_class(saver->arch_env, irn, -1)) {
+       if (saver->chordal_env->cls == arch_get_irn_reg_class(irn, -1)) {
                if (saver->flag == 0) { /* save */
-                       const arch_register_t *reg = arch_get_irn_register(saver->arch_env, irn);
+                       const arch_register_t *reg = arch_get_irn_register(irn);
                        pmap_insert(saver->saved_colors, irn, (void *) reg);
                } else { /*load */
                        arch_register_t *reg = pmap_get(saver->saved_colors, irn);
-                       arch_set_irn_register(saver->arch_env, irn, reg);
+                       arch_set_irn_register(irn, reg);
                }
        }
 }
@@ -456,12 +476,11 @@ static void load_colors(color_save_t *color_saver) {
  * Main compare routine
  */
 void co_compare_solvers(be_chordal_env_t *chordal_env) {
-       copy_opt_t *co;
-       lc_timer_t *timer;
-       color_save_t saver;
+       copy_opt_t    *co;
+       ir_timer_t    *timer;
+       color_save_t  saver;
        int costs_inevit, costs_init, costs_solved, lower_bound;
 
-       phi_class_compute(chordal_env->irg);
        copystat_collect_cls(chordal_env);
 
        co = new_copy_opt(chordal_env, co_get_costs_loop_depth);
@@ -470,11 +489,9 @@ void co_compare_solvers(be_chordal_env_t *chordal_env) {
        DBG((dbg, LEVEL_1, "----> CO: %s\n", co->name));
 
        /* save colors */
-       saver.arch_env     = chordal_env->birg->main_env->arch_env;
        saver.chordal_env  = chordal_env;
        saver.saved_colors = pmap_create();
        save_colors(&saver);
-       be_ra_chordal_check(co->cenv);
 
        /* initial values */
        costs_inevit = co_get_inevit_copy_costs(co);
@@ -490,47 +507,44 @@ void co_compare_solvers(be_chordal_env_t *chordal_env) {
        copystat_add_max_costs(co_get_max_copy_costs(co));
 
        /* heuristic 1 (Daniel Grund) */
-       timer = lc_timer_register("heur1", NULL);
-       lc_timer_reset_and_start(timer);
+       timer = ir_timer_register("heur1", NULL);
+       ir_timer_reset_and_start(timer);
 
        co_solve_heuristic(co);
 
-       lc_timer_stop(timer);
+       ir_timer_stop(timer);
 
-       be_ra_chordal_check(co->cenv);
        costs_solved = co_get_copy_costs(co);
        DBG((dbg, LEVEL_1, "HEUR1 costs: %3d\n", costs_solved));
-       copystat_add_heur_time(lc_timer_elapsed_msec(timer));
+       copystat_add_heur_time(ir_timer_elapsed_msec(timer));
        copystat_add_heur_costs(costs_solved);
        assert(lower_bound <= costs_solved);
 
        /* heuristic 2 (Sebastian Hack) */
-       timer = lc_timer_register("heur2", NULL);
-       lc_timer_reset_and_start(timer);
+       timer = ir_timer_register("heur2", NULL);
+       ir_timer_reset_and_start(timer);
 
        co_solve_heuristic_new(co);
 
-       lc_timer_stop(timer);
+       ir_timer_stop(timer);
 
-       be_ra_chordal_check(co->cenv);
        costs_solved = co_get_copy_costs(co);
        DBG((dbg, LEVEL_1, "HEUR2 costs: %3d\n", costs_solved));
-       copystat_add_heur_time(lc_timer_elapsed_msec(timer));
+       copystat_add_heur_time(ir_timer_elapsed_msec(timer));
        copystat_add_heur_costs(costs_solved);
        assert(lower_bound <= costs_solved);
 
        /* Park & Moon register coalescing (Kimon Hoffmann) */
-       timer = lc_timer_register("park", NULL);
-       lc_timer_reset_and_start(timer);
+       timer = ir_timer_register("park", NULL);
+       ir_timer_reset_and_start(timer);
 
        co_solve_park_moon(co);
 
-       lc_timer_stop(timer);
+       ir_timer_stop(timer);
 
-       be_ra_chordal_check(co->cenv);
        costs_solved = co_get_copy_costs(co);
        DBG((dbg, LEVEL_1, "Park/Moon costs: %3d\n", costs_solved));
-       copystat_add_heur_time(lc_timer_elapsed_msec(timer));
+       copystat_add_heur_time(ir_timer_elapsed_msec(timer));
        copystat_add_heur_costs(costs_solved);
        assert(lower_bound <= costs_solved);
 
@@ -554,7 +568,6 @@ void co_compare_solvers(be_chordal_env_t *chordal_env) {
 
        co_solve_ilp2(co);
 
-       be_ra_chordal_check(co->cenv);
        costs_solved = co_get_copy_costs(co);
        DBG((dbg, LEVEL_1, "ILP2 costs: %3d\n", costs_solved));
        copystat_add_opt_costs(costs_solved); /* TODO: ADAPT */