added function to retrieve irn ops
[libfirm] / ir / be / becopyopt.c
index 9088ddf..316e31a 100644 (file)
@@ -26,6 +26,8 @@
 #include "phiclass.h"
 #include "irbitset.h"
 #include "irphase_t.h"
+#include "irprintf_t.h"
+
 
 #include "bearch.h"
 #include "benode_t.h"
 #include "beinsn_t.h"
 #include "besched_t.h"
 
+#define DUMP_BEFORE 1
+#define DUMP_AFTER  2
+#define DUMP_APPEL  4
+#define DUMP_ALL    2 * DUMP_APPEL - 1
+
+#define COST_FUNC_FREQ     1
+#define COST_FUNC_LOOP     2
+#define COST_FUNC_ALL_ONE  3
+
+static int dump_flags         = 0;
+static int style_flags        = 0;
+static int do_stats           = 0;
+static cost_fct_t cost_func   = co_get_costs_exec_freq;
+static int algo               = CO_ALGO_HEUR2;
+
 #ifdef WITH_LIBCORE
+static const lc_opt_enum_mask_items_t dump_items[] = {
+       { "before",  DUMP_BEFORE },
+       { "after",   DUMP_AFTER  },
+       { "appel",   DUMP_APPEL  },
+       { "all",     DUMP_ALL    },
+       { NULL,      0 }
+};
+
+static const lc_opt_enum_mask_items_t style_items[] = {
+       { "color",   CO_IFG_DUMP_COLORS },
+       { "labels",  CO_IFG_DUMP_LABELS },
+       { "constr",  CO_IFG_DUMP_CONSTR },
+       { "shape",   CO_IFG_DUMP_SHAPE  },
+       { "full",    2 * CO_IFG_DUMP_SHAPE - 1 },
+       { NULL,      0 }
+};
+
+static const lc_opt_enum_mask_items_t algo_items[] = {
+       { "none",   CO_ALGO_NONE  },
+       { "heur",   CO_ALGO_HEUR  },
+       { "heur2",  CO_ALGO_HEUR2 },
+       { "heur3",  CO_ALGO_HEUR3 },
+       { "ilp",    CO_ALGO_ILP   },
+       { NULL,     0 }
+};
+
+static const lc_opt_enum_func_ptr_items_t cost_func_items[] = {
+       { "freq",   co_get_costs_exec_freq },
+       { "loop",   co_get_costs_loop_depth },
+       { "one",    co_get_costs_all_one },
+       { NULL,     0 }
+};
+
+static lc_opt_enum_mask_var_t dump_var = {
+       &dump_flags, dump_items
+};
+
+static lc_opt_enum_mask_var_t style_var = {
+       &style_flags, style_items
+};
+
+static lc_opt_enum_mask_var_t algo_var = {
+       &algo, algo_items
+};
+
+static lc_opt_enum_func_ptr_var_t cost_func_var = {
+       &cost_func, cost_func_items
+};
+
+static const lc_opt_table_entry_t options[] = {
+       LC_OPT_ENT_ENUM_INT      ("algo",  "select copy optimization algo (heur, heur2, heur3, ilp)", &algo_var),
+       LC_OPT_ENT_ENUM_FUNC_PTR ("cost",  "select a cost function (freq, loop, one)",    &cost_func_var),
+       LC_OPT_ENT_ENUM_MASK     ("dump",  "dump ifg before or after copy optimization",  &dump_var),
+       LC_OPT_ENT_ENUM_MASK     ("style", "dump style for ifg dumping",                  &style_var),
+       LC_OPT_ENT_BOOL          ("stats", "dump statistics after each optimization",     &do_stats),
+       { NULL }
+};
 
 /* Insert additional options registration functions here. */
+extern void be_co_ilp_register_options(lc_opt_entry_t *grp);
 extern void be_co2_register_options(lc_opt_entry_t *grp);
+extern void be_co3_register_options(lc_opt_entry_t *grp);
 
 void co_register_options(lc_opt_entry_t *grp)
 {
-       be_co2_register_options(grp);
+       lc_opt_entry_t *co_grp = lc_opt_get_grp(grp, "co");
+       lc_opt_add_table(co_grp, options);
+
+       be_co2_register_options(co_grp);
+       be_co3_register_options(co_grp);
+#ifdef WITH_ILP
+       be_co_ilp_register_options(co_grp);
+#endif
 }
 #endif
 
@@ -166,7 +249,8 @@ int co_get_costs_loop_depth(const copy_opt_t *co, ir_node *root, ir_node* arg, i
 int co_get_costs_exec_freq(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos) {
        ir_node *root_bl = get_nodes_block(root);
        ir_node *copy_bl = is_Phi(root) ? get_Block_cfgpred_block(root_bl, pos) : root_bl;
-       return (int) get_block_execfreq(co->cenv->exec_freq, copy_bl);
+       unsigned long freq = get_block_execfreq_ulong(co->cenv->exec_freq, copy_bl);
+       return freq > 0 ? (int) freq : 1;
 }
 
 
@@ -896,7 +980,7 @@ static void appel_walker(ir_node *bl, void *data)
        }
 
        DBG((env->co->cenv->dbg, LEVEL_2, "%+F\n", bl));
-       be_liveness_end_of_block(env->co->aenv, env->co->cls, bl, live);
+       be_liveness_end_of_block(env->co->cenv->lv, env->co->aenv, env->co->cls, bl, live);
 
        /* Generate the bad and ugly. */
        for(i = n_insns - 1; i >= 0; --i) {
@@ -990,7 +1074,6 @@ static void appel_inter_block_aff(ir_node *bl, void *data)
 
                for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
                        ir_node *pred  = get_Block_cfgpred_block(bl, j);
-                       appel_block_info_t *pred_bli = phase_get_irn_data(&env->ph, pred);
 
                        int nr = appel_get_live_end_nr(env, pred, irn);
                        assert(nr >= 0);
@@ -1003,7 +1086,6 @@ static void appel_inter_block_aff(ir_node *bl, void *data)
 
                for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
                        ir_node *pred  = get_Block_cfgpred_block(bl, j);
-                       appel_block_info_t *pred_bli = phase_get_irn_data(&env->ph, pred);
                        ir_node *op = get_irn_n(irn, j);
 
                        int nr = appel_get_live_end_nr(env, pred, op);
@@ -1021,7 +1103,7 @@ void co_dump_appel_graph_cliques(const copy_opt_t *co, FILE *f)
        appel_clique_walker_t env;
        bitset_t *adm = bitset_alloca(co->cls->n_regs);
 
-       be_liveness(co->irg);
+       be_liveness_recompute(co->cenv->lv);
        obstack_init(&env.obst);
        phase_init(&env.ph, "appel_clique_dumper", co->irg, PHASE_DEFAULT_GROWTH, appel_clique_walker_irn_init);
        env.curr_nr = co->cls->n_regs;
@@ -1061,8 +1143,242 @@ void co_dump_appel_graph_cliques(const copy_opt_t *co, FILE *f)
        obstack_free(&env.obst, NULL);
 }
 
+/*
+        ___ _____ ____   ____   ___ _____   ____                        _
+       |_ _|  ___/ ___| |  _ \ / _ \_   _| |  _ \ _   _ _ __ ___  _ __ (_)_ __   __ _
+        | || |_ | |  _  | | | | | | || |   | | | | | | | '_ ` _ \| '_ \| | '_ \ / _` |
+        | ||  _|| |_| | | |_| | |_| || |   | |_| | |_| | | | | | | |_) | | | | | (_| |
+       |___|_|   \____| |____/ \___/ |_|   |____/ \__,_|_| |_| |_| .__/|_|_| |_|\__, |
+                                                                 |_|            |___/
+*/
+
+static const char *get_dot_color_name(int col)
+{
+       static const char *names[] = {
+               "blue",
+               "red",
+               "green",
+               "yellow",
+               "cyan",
+               "magenta",
+               "orange",
+               "chocolate",
+               "beige",
+               "navy",
+               "darkgreen",
+               "darkred",
+               "lightPink",
+               "chartreuse",
+               "lightskyblue",
+               "linen",
+               "pink",
+               "lightslateblue",
+               "mintcream",
+               "red",
+               "darkolivegreen",
+               "mediumblue",
+               "mistyrose",
+               "salmon",
+               "darkseagreen",
+               "mediumslateblue"
+               "moccasin",
+               "tomato",
+               "forestgreen",
+               "darkturquoise",
+               "palevioletred"
+       };
+
+       return col < sizeof(names)/sizeof(names[0]) ? names[col] : "white";
+}
+
+typedef struct _co_ifg_dump_t {
+       const copy_opt_t *co;
+       unsigned flags;
+} co_ifg_dump_t;
+
+static void ifg_dump_graph_attr(FILE *f, void *self)
+{
+       fprintf(f, "overlap=scale");
+}
+
+static int ifg_is_dump_node(void *self, ir_node *irn)
+{
+       co_ifg_dump_t *cod = self;
+       return !arch_irn_is(cod->co->aenv, irn, ignore);
+}
+
+static void ifg_dump_node_attr(FILE *f, void *self, ir_node *irn)
+{
+       co_ifg_dump_t *env         = self;
+       const arch_register_t *reg = arch_get_irn_register(env->co->aenv, irn);
+       arch_register_req_t req;
+       int limited;
+
+       arch_get_register_req(env->co->aenv, &req, irn, BE_OUT_POS(0));
+       limited = arch_register_req_is(&req, limited);
+
+       if(env->flags & CO_IFG_DUMP_LABELS) {
+               ir_fprintf(f, "label=\"%+F", irn);
+
+               if((env->flags & CO_IFG_DUMP_CONSTR) && limited) {
+                       bitset_t *bs = bitset_alloca(env->co->cls->n_regs);
+                       req.limited(req.limited_env, bs);
+                       ir_fprintf(f, "\\n%B", bs);
+               }
+               ir_fprintf(f, "\" ");
+       }
+
+       else
+               fprintf(f, "label=\"\" shape=point " );
+
+       if(env->flags & CO_IFG_DUMP_SHAPE)
+               fprintf(f, "shape=%s ", limited ? "diamond" : "ellipse");
+
+       if(env->flags & CO_IFG_DUMP_COLORS)
+               fprintf(f, "style=filled color=%s ", get_dot_color_name(reg->index));
+}
+
+static void ifg_dump_at_end(FILE *file, void *self)
+{
+       co_ifg_dump_t *env = self;
+       affinity_node_t *a;
+
+       co_gs_foreach_aff_node(env->co, a) {
+               const arch_register_t *ar = arch_get_irn_register(env->co->aenv, a->irn);
+               unsigned aidx = get_irn_idx(a->irn);
+               neighb_t *n;
+
+               co_gs_foreach_neighb(a, n) {
+                       const arch_register_t *nr = arch_get_irn_register(env->co->aenv, n->irn);
+                       unsigned nidx = get_irn_idx(n->irn);
+
+                       if(aidx < nidx) {
+                               const char *color = nr == ar ? "blue" : "red";
+                               fprintf(file, "\tn%d -- n%d [weight=0.01 ", aidx, nidx);
+                               if(env->flags & CO_IFG_DUMP_LABELS)
+                                       fprintf(file, "label=\"%d\" ", n->costs);
+                               if(env->flags & CO_IFG_DUMP_COLORS)
+                                       fprintf(file, "color=%s ", color);
+                               else
+                                       fprintf(file, "style=dashed");
+                               fprintf(file, "];\n");
+                       }
+               }
+       }
+}
+
+
+static be_ifg_dump_dot_cb_t ifg_dot_cb = {
+       ifg_is_dump_node,
+       ifg_dump_graph_attr,
+       ifg_dump_node_attr,
+       NULL,
+       NULL,
+       ifg_dump_at_end
+};
+
+
+
+void co_dump_ifg_dot(const copy_opt_t *co, FILE *f, unsigned flags)
+{
+       co_ifg_dump_t cod;
+
+       cod.co    = co;
+       cod.flags = flags;
+       be_ifg_dump_dot(co->cenv->ifg, co->irg, f, &ifg_dot_cb, &cod);
+}
+
 
 void co_solve_park_moon(copy_opt_t *opt)
 {
 
 }
+
+static int void_algo(copy_opt_t *co)
+{
+       return 0;
+}
+
+/*
+               _    _                  _ _   _
+          / \  | | __ _  ___  _ __(_) |_| |__  _ __ ___  ___
+         / _ \ | |/ _` |/ _ \| '__| | __| '_ \| '_ ` _ \/ __|
+        / ___ \| | (_| | (_) | |  | | |_| | | | | | | | \__ \
+       /_/   \_\_|\__, |\___/|_|  |_|\__|_| |_|_| |_| |_|___/
+                          |___/
+*/
+
+static co_algo_t *algos[] = {
+       void_algo,
+       co_solve_heuristic,
+       co_solve_heuristic_new,
+       co_solve_heuristic_java,
+#ifdef WITH_ILP
+       co_solve_ilp2
+#endif
+};
+
+/*
+    __  __       _         ____       _
+   |  \/  | __ _(_)_ __   |  _ \ _ __(_)_   _____ _ __
+   | |\/| |/ _` | | '_ \  | | | | '__| \ \ / / _ \ '__|
+   | |  | | (_| | | | | | | |_| | |  | |\ V /  __/ |
+   |_|  |_|\__,_|_|_| |_| |____/|_|  |_| \_/ \___|_|
+
+*/
+
+void co_driver(be_chordal_env_t *cenv)
+{
+       copy_opt_t *co;
+       co_algo_t  *algo_func;
+       int init_costs;
+
+       if(algo < 0 || algo >= CO_ALGO_LAST)
+               return;
+
+       co = new_copy_opt(cenv, cost_func);
+       co_build_ou_structure(co);
+       co_build_graph_structure(co);
+       init_costs = co_get_copy_costs(co);
+
+       /* Dump the interference graph in Appel's format. */
+       if(dump_flags & DUMP_APPEL) {
+               FILE *f = be_chordal_open(cenv, "", ".apl");
+               co_dump_appel_graph(co, f);
+               fclose(f);
+       }
+
+       if(dump_flags & DUMP_BEFORE) {
+               FILE *f = be_chordal_open(cenv, "", "-before.dot");
+               co_dump_ifg_dot(co, f, style_flags);
+               fclose(f);
+       }
+
+       algo_func = algos[algo];
+       algo_func(co);
+
+       if(dump_flags & DUMP_AFTER) {
+               FILE *f = be_chordal_open(cenv, "", "-after.dot");
+               co_dump_ifg_dot(co, f, style_flags);
+               fclose(f);
+       }
+
+       if(do_stats) {
+               int optimizable_costs = co_get_max_copy_costs(co) - co_get_lower_bound(co);
+               int remaining         = co_get_copy_costs(co);
+               int evitable          = remaining - co_get_lower_bound(co);
+
+               ir_printf("%30F %10s %10d%10d%10d%10d", cenv->irg, cenv->cls->name,
+                               co_get_max_copy_costs(co), init_costs,
+                               co_get_inevit_copy_costs(co), co_get_lower_bound(co));
+
+               if(optimizable_costs > 0)
+                       printf("%10d %5.2f\n", remaining, (evitable * 100.0) / optimizable_costs);
+               else
+                       printf("%10d %5s\n", remaining, "-");
+       }
+
+       co_free_graph_structure(co);
+       co_free_ou_structure(co);
+       free_copy_opt(co);
+}