#endif
#include <string.h>
+#include <libcore/lc_timing.h>
+
+#include "xmalloc.h"
#include "irgraph.h"
+#include "irgwalk.h"
#include "irprog.h"
+#include "iredges_t.h"
#include "phiclass_t.h"
-#include "becopyopt.h"
+#include "bechordal_t.h"
+#include "beutil.h"
+#include "becopyopt_t.h"
#include "becopystat.h"
-#include "xmalloc.h"
-#ifdef DO_STAT
+#ifdef COPYOPT_STAT
+
+#define DO_HEUR
+#undef DO_ILP1
+#define DO_ILP2
#define DEBUG_LVL SET_LEVEL_1
static firm_dbg_module_t *dbg = NULL;
-#define MAX_ARITY 10
-#define MAX_CLS_SIZE 10
-#define MAX_CLS_PHIS 10
+#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
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 */
static pset *all_phi_nodes;
static pset *all_phi_classes;
static pset *all_copy_nodes;
+static ir_graph *last_irg;
void copystat_init(void) {
dbg = firm_dbg_register("ir.be.copystat");
all_phi_nodes = pset_new_ptr_default();
all_phi_classes = pset_new_ptr_default();
all_copy_nodes = pset_new_ptr_default();
- phi_class_init();
}
void copystat_reset(void) {
if (is_Block(node)) /* count all blocks */
curr_vals[I_BLOCKS]++;
- if (is_Phi(node) && mode_is_datab(get_irn_mode(node))) /* collect phis */
+ if (is_Reg_Phi(node)) /* collect phis */
pset_insert_ptr(all_phi_nodes, node);
- if (is_Copy(arch_env, node))
+ if (is_Perm_Proj(arch_env, node))
pset_insert_ptr(all_copy_nodes, node);
+
+ /* TODO: Add 2-Addr-Code nodes */
}
-void copystat_collect_irg(ir_graph *irg, arch_env_t *arch_env) {
+static void copystat_collect_irg(ir_graph *irg, arch_env_t *arch_env) {
irg_walk_graph(irg, irg_stat_walker, NULL, arch_env);
- curr_vals[I_BLOCKS] -= 2; /* substract 2 for start and end block */
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;
}
/**
*/
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 */
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 *cfg_node, *arg = get_irn_n(phi, i);
+ ir_node *arg = get_irn_n(phi, i);
if (arg == phi) {
curr_vals[I_PHI_ARG_SELF]++;
continue;
}
- block_of_arg = get_nodes_block(arg);
-
/* get the pred block skipping blocks on critical edges */
- cfg_node = get_irn_n(get_nodes_block(phi), i);
- block_ith_pred = get_nodes_block(cfg_node);
- if (get_irn_opcode(cfg_node) == iro_Jmp && get_irn_arity(block_ith_pred) == 1) {
- /* Then cfg_node_block has exactly 1 pred and 1 succ block,
- * thus it must have been inserted during remove_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;
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))) {
+ if (nodes_interfere(chordal_env, root, get_Perm_src(root))) {
curr_vals[I_COPIES_IF]++;
assert(0 && "A Perm pair (in/out) should never interfere!");
}
/* get an array of all members for double iterating */
members = xmalloc(size * sizeof(*members));
- for (i = 0, p = pset_first(pc); p; p = pset_next(pc))
+ 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 */
xfree(members);
}
-#define is_curr_reg_class(irn) \
- (arch_get_irn_reg_class(chordal_env->session_env->main_env->arch_env, irn, \
- arch_pos_make_out(0)) == chordal_env->cls)
-
-void copystat_collect_cls(be_chordal_env_t *chordal_env) {
+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;
+
+ if (last_irg != irg) {
+ copystat_reset();
+ copystat_collect_irg(irg, aenv);
+ }
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);
+ if (arch_get_irn_reg_class(aenv, n, -1) == cenv->cls)
+ stat_phi_node(cenv, 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);
+ if (arch_get_irn_reg_class(aenv, 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 (is_curr_reg_class(member))
- stat_phi_class(chordal_env, pc);
+ if (arch_get_irn_reg_class(aenv, member, -1) == cenv->cls)
+ stat_phi_class(cenv, pc);
}
}
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;
}
fclose(out);
}
-#endif
+/**
+ * Helpers for saving and restoring colors of nodes.
+ * 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 */
+} color_save_t;
+
+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->flag == 0) { /* save */
+ const arch_register_t *reg = arch_get_irn_register(saver->arch_env, 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);
+ }
+ }
+}
+
+static void save_colors(color_save_t *color_saver) {
+ color_saver->flag = 0;
+ irg_walk_graph(color_saver->chordal_env->irg, save_load, NULL, color_saver);
+}
+
+static void load_colors(color_save_t *color_saver) {
+ color_saver->flag = 1;
+ irg_walk_graph(color_saver->chordal_env->irg, save_load, NULL, 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;
+ int costs_inevit, costs_init, costs_heur, costs_ilp1, costs_ilp2, lower_bound;
+
+ phi_class_compute(chordal_env->irg);
+
+ co = new_copy_opt(chordal_env, co_get_costs_loop_depth);
+ co_build_ou_structure(co);
+ co_build_graph_structure(co);
+ 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);
+
+ /* initial values */
+ costs_inevit = co_get_inevit_copy_costs(co);
+ lower_bound = co_get_lower_bound(co);
+ costs_init = co_get_copy_costs(co);
+
+ DBG((dbg, LEVEL_1, "Inevit Costs: %3d\n", costs_inevit));
+ DBG((dbg, LEVEL_1, "Lower Bound: %3d\n", lower_bound));
+ DBG((dbg, LEVEL_1, "Init costs: %3d\n", costs_init));
+
+ copystat_add_inevit_costs(costs_inevit);
+ copystat_add_init_costs(costs_init);
+ copystat_add_max_costs(co_get_max_copy_costs(co));
+
+
+#ifdef DO_HEUR
+ timer = lc_timer_register("heur", NULL);
+ lc_timer_reset_and_start(timer);
+
+ co_solve_heuristic(co);
+
+ lc_timer_stop(timer);
+ costs_heur = co_get_copy_costs(co);
+ DBG((dbg, LEVEL_1, "HEUR costs: %3d\n", costs_heur));
+ copystat_add_heur_time(lc_timer_elapsed_msec(timer));
+ copystat_add_heur_costs(costs_heur);
+ assert(lower_bound <= costs_heur);
+#endif /* DO_HEUR */
+
+
+#ifdef DO_ILP1
+ load_colors(&saver);
+
+ co_solve_ilp1(co, 60.0);
+
+ costs_ilp1 = co_get_copy_costs(co);
+ DBG((dbg, LEVEL_1, "ILP1 costs: %3d\n", costs_ilp1));
+ copystat_add_opt_costs(costs_ilp1); /*TODO ADAPT */
+ assert(lower_bound <= costs_ilp1);
+#endif /* DO_ILP1 */
+
+
+#ifdef DO_ILP2
+ load_colors(&saver);
+
+ co_solve_ilp2(co, 60.0);
+
+ costs_ilp2 = co_get_copy_costs(co);
+ DBG((dbg, LEVEL_1, "ILP2 costs: %3d\n", costs_ilp2));
+ copystat_add_opt_costs(costs_ilp2); /*TODO ADAPT */
+ assert(lower_bound <= costs_ilp2);
+#endif /* DO_ILP2 */
+
+ pmap_destroy(saver.saved_colors);
+ co_free_graph_structure(co);
+ co_free_ou_structure(co);
+ free_copy_opt(co);
+}
+
+
+#endif /* COPYOPT_STAT */
projects / libfirm / blobdiff