/**
- * @author Daniel Grund
- * @date 19.04.2005
+ * Author: Daniel Grund
+ * Date: 19.04.2005
+ * Copyright: (c) Universitaet Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
-#include <stdlib.h>
-#include "list.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include "irgraph.h"
#include "irprog.h"
+#include "iredges.h"
+#include "phiclass_t.h"
#include "beutil.h"
+#include "becopyopt.h"
#include "becopystat.h"
+#include "xmalloc.h"
+
+#ifdef DO_STAT
+
+#define DEBUG_LVL SET_LEVEL_1
+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
+ */
+int curr_vals[ASIZE];
-static all_stat_t *all_stats = NULL;
+static pset *all_phi_nodes;
+static pset *all_phi_classes;
+static pset *all_copy_nodes;
+static ir_graph *last_irg;
-#define irg_list_entry(lh) list_entry(lh, irg_stat_t, chain)
+void copystat_init(void) {
+ dbg = firm_dbg_register("ir.be.copystat");
+ firm_dbg_set_mask(dbg, DEBUG_LVL);
-irg_stat_t *new_irg_stat(copy_opt_t *co) {
- irg_stat_t *is, *curr;
+ all_phi_nodes = pset_new_ptr_default();
+ all_phi_classes = pset_new_ptr_default();
+ all_copy_nodes = pset_new_ptr_default();
+}
- 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);
- }
+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();
+}
+
+/**
+ * Collect general data
+ */
+static void irg_stat_walker(ir_node *node, void *env) {
+ arch_env_t *arch_env = 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);
- /* 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 (is_Perm_Proj(arch_env, node))
+ pset_insert_ptr(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);
+ last_irg = irg;
+}
+
+/**
+ * @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 sucsecessors */
+ 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;
+}
+
+/**
+ * Collect phi node data
+ */
+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));
+
+ /* count all phi phis */
+ curr_vals[I_PHI_CNT]++;
+
+ /* argument count */
+ arity = get_irn_arity(phi);
+ curr_vals[I_PHI_ARG_CNT] += arity;
+ if (arity > MAX_ARITY)
+ curr_vals[I_PHI_ARITY_E]++;
+ else
+ curr_vals[I_PHI_ARITY_S + arity]++;
+
+ phi_bl = get_nodes_block(phi);
+ /* type of argument {self, const, pred, glob} */
+ for (i = 0; i < arity; i++) {
+ ir_node *block_of_arg, *block_ith_pred;
+ ir_node *arg = get_irn_n(phi, i);
+
+ if (arg == phi) {
+ curr_vals[I_PHI_ARG_SELF]++;
+ continue;
}
+
+ if (iro_Const == get_irn_opcode(arg)) {
+ curr_vals[I_PHI_ARG_CONST]++;
+ continue;
+ }
+
+ /* get the pred block skipping blocks on critical edges */
+ block_ith_pred = get_Block_cfgpred_block(phi_bl, i);
+ if (was_edge_critical(phi_bl, i))
+ block_ith_pred = get_Block_cfgpred_block(block_ith_pred, 0);
+
+ block_of_arg = get_nodes_block(arg);
+ if (block_of_arg == block_ith_pred) {
+ curr_vals[I_PHI_ARG_PRED]++;
+ continue;
+ }
+
+ curr_vals[I_PHI_ARG_GLOB]++;
}
+}
+
+/**
+ * Collect register-constrained node data
+ */
+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_Copy_src(root))) {
+ curr_vals[I_COPIES_IF]++;
+ assert(0 && "A Perm pair (in/out) should never interfere!");
+ }
+}
+
+/**
+ * Collect phi class data
+ */
+static void stat_phi_class(be_chordal_env_t *chordal_env, pset *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);
+ 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]))
+ 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])) {
+ 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);
+}
+
+#define is_curr_reg_class(irn) \
+ (arch_get_irn_reg_class(chordal_env->main_env->arch_env, irn, \
+ -1) == chordal_env->cls)
+
+void copystat_collect_cls(be_chordal_env_t *chordal_env) {
+ ir_node *n;
+ pset *pc;
+ ir_graph *irg = chordal_env->irg;
+
+ if (last_irg != irg) {
+ copystat_reset();
+ copystat_collect_irg(irg, chordal_env->main_env->arch_env);
+ }
+
+ for (n = pset_first(all_phi_nodes); n; n = pset_next(all_phi_nodes))
+ if (is_curr_reg_class(n))
+ stat_phi_node(chordal_env, n);
+
+ for (n = pset_first(all_copy_nodes); n; n = pset_next(all_copy_nodes))
+ if (is_curr_reg_class(n))
+ stat_copy_node(chordal_env, n);
- 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);
+ for (pc = pset_first(all_phi_classes); pc; pc = pset_next(all_phi_classes)) {
+ ir_node *member = pset_first(pc);
+ pset_break(pc);
+ if (is_curr_reg_class(member))
+ stat_phi_class(chordal_env, pc);
}
}
-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);
+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_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_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_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;
}
-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_prog_name(), get_entity_name(get_irg_entity(irg)));
+ out = ffopen(buf, "stat", "wt");
+
+ fprintf(out, "%d\n", 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_prog_name(), get_entity_name(get_irg_entity(irg)));
+ out = 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);
}
+
+#endif
projects / libfirm / blobdiff