+/*
+ * 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
+ * @file
+ * @brief Copy node statistics.
+ * @author Daniel Grund
+ * @date 19.04.2005
*/
-#include <stdlib.h>
-#include "list.h"
+#include "config.h"
+
+#include <string.h>
+
+#include "timing.h"
+#include "irgraph.h"
+#include "irgwalk.h"
#include "irprog.h"
+#include "iredges_t.h"
+#include "irnodeset.h"
+
+#include "bechordal_t.h"
+#include "benode.h"
#include "beutil.h"
+#include "becopyopt_t.h"
#include "becopystat.h"
+#include "bemodule.h"
+#include "beintlive_t.h"
+
+#define DEBUG_LVL SET_LEVEL_1
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
+
+#define MAX_ARITY 20
+#define MAX_CLS_SIZE 20
+#define MAX_CLS_PHIS 20
+
+/**
+ * For an explanation of these values see the code of copystat_dump_pretty
+ */
+enum vals_t {
+ /* FROM HERE: PROBLEM CHARACTERIZATION */
+
+ I_ALL_NODES = 0,
+ I_BLOCKS,
+
+ /* phi nodes */
+ I_PHI_CNT, /* number of phi nodes */
+ I_PHI_ARG_CNT, /* number of arguments of phis */
+ I_PHI_ARG_SELF, /* number of arguments of phis being the phi itself */
+ I_PHI_ARG_CONST, /* number of arguments of phis being consts */
+ I_PHI_ARG_PRED, /* ... being defined in a cf-pred */
+ I_PHI_ARG_GLOB, /* ... being defined elsewhere */
+ I_PHI_ARITY_S,
+ I_PHI_ARITY_E = I_PHI_ARITY_S+MAX_ARITY,
+
+ /* copy nodes */
+ I_CPY_CNT, /* number of copynodes */
+
+ /* phi classes */
+ I_CLS_CNT, /* number of phi classes */
+ I_CLS_IF_FREE, /* number of pc having no interference */
+ I_CLS_IF_MAX, /* number of possible interferences in all classes */
+ I_CLS_IF_CNT, /* number of actual interferences in all classes */
+ I_CLS_SIZE_S,
+ I_CLS_SIZE_E = I_CLS_SIZE_S+MAX_CLS_SIZE,
+ I_CLS_PHIS_S,
+ I_CLS_PHIS_E = I_CLS_PHIS_S+MAX_CLS_PHIS,
+
+ /* FROM HERE: RESULT VLAUES */
+ /* all of them are external set */
-struct _irg_stat_t {
- struct list_head chain;
- ir_graph *irg;
- const char *irg_name;
- int interferers, lb, max;
- int copies[3];
- //TODO double ilp_time;
+ /* ilp values */
+ I_HEUR_TIME, /* solving time in milli seconds */
+ I_ILP_TIME, /* solving time in milli seconds */
+ I_ILP_VARS,
+ I_ILP_CSTR,
+ I_ILP_ITER, /* number of simplex iterations */
+
+ /* copy instructions */
+ I_COPIES_MAX, /* max possible costs of copies*/
+ I_COPIES_INIT, /* number of copies in initial allocation */
+ I_COPIES_HEUR, /* number of copies after heuristic */
+ I_COPIES_5SEC, /* number of copies after ilp with max n sec */
+ I_COPIES_30SEC, /* number of copies after ilp with max n sec */
+ I_COPIES_OPT, /* number of copies after ilp */
+ I_COPIES_IF, /* number of copies inevitable due to root-arg-interf */
+
+ ASIZE
};
-typedef struct _all_stat_t {
- const char *unit_name;
- struct list_head irgs;
-} all_stat_t;
+/**
+ * Holds current values. Values are added till next copystat_reset
+ */
+static int curr_vals[ASIZE];
-static all_stat_t *all_stats = NULL;
+static ir_nodeset_t *all_phi_nodes;
+static ir_nodeset_t *all_copy_nodes;
-#define irg_list_entry(lh) list_entry(lh, irg_stat_t, chain)
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copystat)
+void be_init_copystat(void)
+{
+ FIRM_DBG_REGISTER(dbg, "firm.be.copystat");
-irg_stat_t *new_irg_stat(copy_opt_t *co) {
- irg_stat_t *is, *curr;
+ all_phi_nodes = ir_nodeset_new(64);
+ all_copy_nodes = ir_nodeset_new(64);
+ memset(curr_vals, 0, sizeof(curr_vals));
+}
- if (!all_stats) {
- all_stats = calloc(1, sizeof(*all_stats));
- all_stats->unit_name = get_irp_prog_name();
- INIT_LIST_HEAD(&all_stats->irgs);
- is = calloc(1, sizeof(*is));
- is->irg_name = "CUMULATIVE";
- list_add_tail(&is->chain, &all_stats->irgs);
+BE_REGISTER_MODULE_DESTRUCTOR(be_quit_copystat)
+void be_quit_copystat(void)
+{
+ if (all_phi_nodes != NULL) {
+ ir_nodeset_del(all_phi_nodes);
+ all_phi_nodes = NULL;
}
-
- /* look if we had this irg already */
- list_for_each_entry(irg_stat_t, curr, &all_stats->irgs, chain)
- if (curr->irg == co->irg)
- return curr;
-
- /* else create a new entry */
- is = calloc(1, sizeof(*is));
- is->irg = co->irg;
- is->irg_name = get_entity_name(get_irg_entity(co->irg));
- list_add_tail(&is->chain, &all_stats->irgs);
- return is;
-}
-
-void irg_stat_count(irg_stat_t *is, copy_opt_t *co, int phase) {
- unit_t *curr;
- int max = 0, copies = 0;
-
- list_for_each_entry(unit_t, curr, &co->units, units) {
- int i;
- max += curr->interf + curr->node_count - 1;
- const ir_node *root = curr->nodes[0];
- int root_color = get_irn_color(root);
- copies += curr->interf;
- for (i=1; i<curr->node_count; ++i) {
- const ir_node *arg = curr->nodes[i];
- if (root_color != get_irn_color(arg))
- copies++;
- }
+ if (all_copy_nodes != NULL) {
+ ir_nodeset_del(all_copy_nodes);
+ all_copy_nodes = NULL;
}
+}
- is->copies[phase] += copies;
- if (phase == 0)
- is->max += max;
- if (phase == 1) {
- is->interferers += co_get_interferer_count(co);
- is->lb += co_get_lower_bound(co);
- }
+/**
+ * @return 1 if the block at pos @p pos removed a critical edge
+ * 0 else
+ */
+static inline int was_edge_critical(const ir_node *bl, int pos)
+{
+ const ir_edge_t *edge;
+ const ir_node *bl_at_pos, *bl_before;
+ assert(is_Block(bl));
+
+ /* Does bl have several predecessors ?*/
+ if (get_irn_arity(bl) <= 1)
+ return 0;
+
+ /* Does the pred have exactly one predecessor */
+ bl_at_pos = get_irn_n(bl, pos);
+ if (get_irn_arity(bl_at_pos) != 1)
+ return 0;
+
+ /* Does the pred of the pred have several successors */
+ bl_before = get_irn_n(bl_at_pos, 0);
+ edge = get_block_succ_first(bl_before);
+ return get_block_succ_next(bl_before, edge) ? 1 : 0;
+}
+
+void copystat_add_max_costs(int costs)
+{
+ curr_vals[I_COPIES_MAX] += costs;
}
+void copystat_add_inevit_costs(int costs)
+{
+ curr_vals[I_COPIES_IF] += costs;
+}
+void copystat_add_init_costs(int costs)
+{
+ curr_vals[I_COPIES_INIT] += costs;
+}
+void copystat_add_heur_costs(int costs)
+{
+ curr_vals[I_COPIES_HEUR] += costs;
+}
+void copystat_add_opt_costs(int costs)
+{
+ curr_vals[I_COPIES_OPT] += costs;
+}
+void copystat_add_heur_time(int time)
+{
+ curr_vals[I_HEUR_TIME] += time;
+}
+
+void copystat_add_ilp_5_sec_costs(int costs)
+{
+ curr_vals[I_COPIES_5SEC] += costs;
+}
+void copystat_add_ilp_30_sec_costs(int costs)
+{
+ curr_vals[I_COPIES_30SEC] += costs;
+}
+void copystat_add_ilp_time(int time)
+{
+ curr_vals[I_ILP_TIME] += time;
+}
+void copystat_add_ilp_vars(int vars)
+{
+ curr_vals[I_ILP_VARS] += vars;
+}
+void copystat_add_ilp_csts(int csts)
+{
+ curr_vals[I_ILP_CSTR] += csts;
+}
+void copystat_add_ilp_iter(int iters)
+{
+ curr_vals[I_ILP_ITER] += iters;
+}
+
+/**
+ * Opens a file named base.ext with the mode mode.
+ */
+static FILE *be_ffopen(const char *base, const char *ext, const char *mode)
+{
+ FILE *out;
+ char buf[1024];
-void irg_stat_print(irg_stat_t *is) {
- printf("Irg %s: %3d %3d %3d %3d %3d %3d", is->irg_name, is->interferers, is->lb, is->copies[0], is->copies[1], is->copies[2], is->max);
+ snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+ buf[sizeof(buf) - 1] = '\0';
+ if (! (out = fopen(buf, mode))) {
+ fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
+ return NULL;
+ }
+ return out;
}
-void all_stat_dump(void) {
+void copystat_dump(ir_graph *irg)
+{
+ int i;
+ char buf[1024];
FILE *out;
- irg_stat_t *cuml, *curr;
- /* Compute cumulative values */
- cuml = irg_list_entry(all_stats->irgs.next);
- cuml->interferers = 0;
- cuml->lb = 0;
- cuml->max = 0;
- cuml->copies[0] = 0;
- cuml->copies[1] = 0;
- cuml->copies[2] = 0;
- list_for_each_entry(irg_stat_t, curr, &all_stats->irgs, chain) {
- int i = 0;
- cuml->interferers += curr->interferers;
- cuml->lb += curr->lb;
- cuml->max += curr->max;
- for (i=0; i<3; ++i)
- cuml->copies[i] += curr->copies[i];
+
+ snprintf(buf, sizeof(buf), "%s__%s", get_irp_name(), get_entity_name(get_irg_entity(irg)));
+ buf[sizeof(buf) - 1] = '\0';
+ out = be_ffopen(buf, "stat", "wt");
+
+ fprintf(out, "%d\n", (int)ASIZE);
+ for (i = 0; i < ASIZE; i++) {
+#if 0
+ if (i >= I_PHI_ARITY_S && i <= I_PHI_ARITY_E)
+ fprintf(out, "%i %i\n", curr_vals[i], curr_vals[I_PHI_CNT]);
+ else if (i >= I_CLS_SIZE_S && i <= I_CLS_SIZE_E)
+ fprintf(out, "%i %i\n", curr_vals[i], curr_vals[I_CLS_CNT]);
+ else
+#endif
+ fprintf(out, "%i\n", curr_vals[i]);
}
- /* dump to file */
- out = ffopen(all_stats->unit_name, "stats", "wt");
- list_for_each_entry(irg_stat_t, curr, &all_stats->irgs, chain)
- fprintf(out, "%15s %3d %3d %3d %3d %3d %3d", curr->irg_name, curr->interferers, curr->lb, curr->copies[0], curr->copies[1], curr->copies[2], curr->max);
+ fclose(out);
+}
+
+void copystat_dump_pretty(ir_graph *irg)
+{
+ int i;
+ char buf[1024];
+ FILE *out;
+
+ snprintf(buf, sizeof(buf), "%s__%s", get_irp_name(), get_entity_name(get_irg_entity(irg)));
+ buf[sizeof(buf) - 1] = '\0';
+ 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]);
+ fprintf(out, "CopyIrn %4d\n", curr_vals[I_CPY_CNT]);
+
+ fprintf(out, "\nPhis %4d\n", curr_vals[I_PHI_CNT]);
+ fprintf(out, "... argument types\n");
+ fprintf(out, " Total %4d\n", curr_vals[I_PHI_ARG_CNT]);
+ fprintf(out, " Self %4d\n", curr_vals[I_PHI_ARG_SELF]);
+ fprintf(out, " Constants %4d\n", curr_vals[I_PHI_ARG_CONST]);
+ fprintf(out, " CF-Pred %4d\n", curr_vals[I_PHI_ARG_PRED]);
+ fprintf(out, " Others %4d\n", curr_vals[I_PHI_ARG_GLOB]);
+ fprintf(out, "... arities\n");
+ for (i = I_PHI_ARITY_S; i<=I_PHI_ARITY_E; i++)
+ fprintf(out, " %2i %4d\n", i-I_PHI_ARITY_S, curr_vals[i]);
+
+ fprintf(out, "\nPhi classes %4d\n", curr_vals[I_CLS_CNT]);
+ fprintf(out, " compl. free %4d\n", curr_vals[I_CLS_IF_FREE]);
+ fprintf(out, " inner intf. %4d / %4d\n", curr_vals[I_CLS_IF_CNT], curr_vals[I_CLS_IF_MAX]);
+ fprintf(out, "... sizes\n");
+ for (i = I_CLS_SIZE_S; i<=I_CLS_SIZE_E; i++)
+ fprintf(out, " %2i %4d\n", i-I_CLS_SIZE_S, curr_vals[i]);
+ fprintf(out, "... contained phis\n");
+ for (i = I_CLS_PHIS_S; i<=I_CLS_PHIS_E; i++)
+ fprintf(out, " %2i %4d\n", i-I_CLS_PHIS_S, curr_vals[i]);
+
+ fprintf(out, "\nILP stat\n");
+ fprintf(out, " Time %8d\n", curr_vals[I_ILP_TIME]);
+ fprintf(out, " Iter %8d\n", curr_vals[I_ILP_ITER]);
+
+ fprintf(out, "\nCopy stat\n");
+ fprintf(out, " Max %4d\n", curr_vals[I_COPIES_MAX]);
+ fprintf(out, " Init %4d\n", curr_vals[I_COPIES_INIT]);
+ fprintf(out, " Heur %4d\n", curr_vals[I_COPIES_HEUR]);
+ fprintf(out, " Opt %4d\n", curr_vals[I_COPIES_OPT]);
+ fprintf(out, " Intf %4d\n", curr_vals[I_COPIES_IF]);
+
fclose(out);
}
projects / libfirm / blobdiff