added additional ifg flavour options
[libfirm] / ir / be / bechordal_main.c
index 8b0f655..cec2bde 100644 (file)
 #include "list.h"
 #include "bitset.h"
 #include "iterator.h"
+#include "firm_config.h"
 
 #ifdef WITH_LIBCORE
 #include <libcore/lc_opts.h>
 #include <libcore/lc_opts_enum.h>
+#include <libcore/lc_timing.h>
 #endif /* WITH_LIBCORE */
 
 #include "irmode_t.h"
@@ -29,6 +31,7 @@
 #include "irgwalk.h"
 #include "irdump.h"
 #include "irdom.h"
+#include "irbitset.h"
 #include "debug.h"
 #include "xmalloc.h"
 
 #include "beifg_impl.h"
 
 #include "bespillbelady.h"
+#include "bespillmorgan.h"
 #include "belower.h"
 
 #ifdef WITH_ILP
 #include "bespillilp.h"
+#include "bespillremat.h"
+#include "bespillappel.h"
 #endif /* WITH_ILP */
 
 #include "becopystat.h"
 #include "becopyopt.h"
 #include "bessadestr.h"
+#include "beverify.h"
 
 
 void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
@@ -96,58 +103,6 @@ void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
        obstack_free(&ob, NULL);
 }
 
-static void check_pressure_walker(ir_node *bl, void *data)
-{
-       be_chordal_env_t *env = data;
-       int n_regs = arch_register_class_n_regs(env->cls);
-
-       pset *live = pset_new_ptr_default();
-       int step = 0;
-       ir_node *irn;
-       irn_live_t *li;
-       DEBUG_ONLY(firm_dbg_module_t *dbg = env->dbg;)
-
-       live_foreach(bl, li) {
-               if(live_is_end(li) && chordal_has_class(env, li->irn)) {
-                       ir_node *irn = (ir_node *) li->irn;
-                       pset_insert_ptr(live, irn);
-               }
-       }
-
-       DBG((dbg, LEVEL_1, "end set for %+F\n", bl));
-       for(irn = pset_first(live); irn; irn = pset_next(live))
-               DBG((dbg, LEVEL_1, "\t%+F\n", irn));
-
-       sched_foreach_reverse(bl, irn) {
-               int i, n;
-               int pressure = pset_count(live);
-
-               DBG((dbg, LEVEL_1, "%+10F@%+10F: pressure %d\n", bl, irn, pressure));
-
-               if(pressure > n_regs) {
-                       ir_node *x;
-                       ir_printf("%+10F@%+10F: pressure to high: %d\n", bl, irn, pressure);
-                       for(x = pset_first(live); x; x = pset_next(live))
-                               ir_printf("\t%+10F\n", x);
-               }
-
-               if(chordal_has_class(env, irn))
-                       pset_remove_ptr(live, irn);
-
-               for(i = 0, n = get_irn_arity(irn); i < n; i++) {
-                       ir_node *op = get_irn_n(irn, i);
-                       if(chordal_has_class(env, op) && !is_Phi(irn))
-                               pset_insert_ptr(live, op);
-               }
-               step++;
-       }
-}
-
-void be_check_pressure(const be_chordal_env_t *env)
-{
-       irg_block_walk_graph(env->irg, check_pressure_walker, NULL, (void *) env);
-}
-
 int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b)
 {
        if(env->ifg)
@@ -160,33 +115,45 @@ int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node
 static be_ra_chordal_opts_t options = {
        BE_CH_DUMP_NONE,
        BE_CH_SPILL_BELADY,
-       BE_CH_COPYMIN_HEUR,
+       BE_CH_COPYMIN_HEUR1,
        BE_CH_IFG_STD,
        BE_CH_LOWER_PERM_SWAP,
+       BE_CH_VRFY_WARN,
 };
 
 #ifdef WITH_LIBCORE
 static const lc_opt_enum_int_items_t spill_items[] = {
+       { "morgan", BE_CH_SPILL_MORGAN },
        { "belady", BE_CH_SPILL_BELADY },
 #ifdef WITH_ILP
-       { "ilp",        BE_CH_SPILL_ILP },
-#endif
+       { "ilp",    BE_CH_SPILL_ILP    },
+       { "remat",  BE_CH_SPILL_REMAT  },
+       { "appel",  BE_CH_SPILL_APPEL  },
+#endif /* WITH_ILP */
        { NULL, 0 }
 };
 
 static const lc_opt_enum_int_items_t copymin_items[] = {
-       { "none", BE_CH_COPYMIN_NONE },
-       { "heur", BE_CH_COPYMIN_HEUR },
+       { "none",  BE_CH_COPYMIN_NONE      },
+       { "heur1", BE_CH_COPYMIN_HEUR1     },
+       { "heur2", BE_CH_COPYMIN_HEUR2     },
+       { "stat",  BE_CH_COPYMIN_STAT      },
+       { "park",  BE_CH_COPYMIN_PARK_MOON },
 #ifdef WITH_ILP
-       { "ilp",  BE_CH_COPYMIN_ILP },
-#endif
+       { "ilp1",  BE_CH_COPYMIN_ILP1 },
+       { "ilp2",  BE_CH_COPYMIN_ILP2 },
+#endif /* WITH_ILP */
        { NULL, 0 }
 };
 
 static const lc_opt_enum_int_items_t ifg_flavor_items[] = {
-       { "std",  BE_CH_IFG_STD },
-       { "fast", BE_CH_IFG_FAST },
-       { NULL, 0 }
+       { "std",     BE_CH_IFG_STD     },
+       { "fast",    BE_CH_IFG_FAST    },
+       { "clique",  BE_CH_IFG_CLIQUE  },
+       { "pointer", BE_CH_IFG_POINTER },
+       { "list",    BE_CH_IFG_LIST    },
+       { "check",   BE_CH_IFG_CHECK   },
+       { NULL,      0                 }
 };
 
 static const lc_opt_enum_int_items_t lower_perm_items[] = {
@@ -200,14 +167,22 @@ static const lc_opt_enum_int_items_t lower_perm_stat_items[] = {
 };
 
 static const lc_opt_enum_int_items_t dump_items[] = {
-       { "spill",    BE_CH_DUMP_SPILL },
-       { "live",     BE_CH_DUMP_LIVE },
-       { "color",    BE_CH_DUMP_COLOR },
-       { "copymin",  BE_CH_DUMP_COPYMIN },
-       { "ssadestr", BE_CH_DUMP_SSADESTR },
+       { "spill",    BE_CH_DUMP_SPILL     },
+       { "live",     BE_CH_DUMP_LIVE      },
+       { "color",    BE_CH_DUMP_COLOR     },
+       { "copymin",  BE_CH_DUMP_COPYMIN   },
+       { "ssadestr", BE_CH_DUMP_SSADESTR  },
        { "tree",     BE_CH_DUMP_TREE_INTV },
-       { "constr",   BE_CH_DUMP_CONSTR },
-       { "lower",    BE_CH_DUMP_LOWER },
+       { "constr",   BE_CH_DUMP_CONSTR    },
+       { "lower",    BE_CH_DUMP_LOWER     },
+       { "all",      BE_CH_DUMP_ALL       },
+       { NULL, 0 }
+};
+
+static const lc_opt_enum_int_items_t be_ch_vrfy_items[] = {
+       { "off",    BE_CH_VRFY_OFF    },
+       { "warn",   BE_CH_VRFY_WARN   },
+       { "assert", BE_CH_VRFY_ASSERT },
        { NULL, 0 }
 };
 
@@ -220,7 +195,7 @@ static lc_opt_enum_int_var_t copymin_var = {
 };
 
 static lc_opt_enum_int_var_t ifg_flavor_var = {
-       &options.spill_method, ifg_flavor_items
+       &options.ifg_flavor, ifg_flavor_items
 };
 
 static lc_opt_enum_int_var_t lower_perm_var = {
@@ -231,12 +206,17 @@ static lc_opt_enum_int_var_t dump_var = {
        &options.dump_flags, dump_items
 };
 
+static lc_opt_enum_int_var_t be_ch_vrfy_var = {
+       &options.vrfy_option, be_ch_vrfy_items
+};
+
 static const lc_opt_table_entry_t be_chordal_options[] = {
-       LC_OPT_ENT_ENUM_MASK("spill", "spill method (belady or ilp)", &spill_var),
-       LC_OPT_ENT_ENUM_PTR("copymin", "copymin method (none, heur or ilp)", &copymin_var),
-       LC_OPT_ENT_ENUM_PTR("ifg", "interference graph flavour (std or fast)", &ifg_flavor_var),
-       LC_OPT_ENT_ENUM_MASK("perm", "perm lowering options (copy, swap)", &lower_perm_var),
-       LC_OPT_ENT_ENUM_MASK("dump", "select dump phases", &dump_var),
+       LC_OPT_ENT_ENUM_MASK("spill",   "spill method (belady, ilp, remat or appel)", &spill_var),
+       LC_OPT_ENT_ENUM_PTR ("copymin", "copymin method (none, heur1, heur2, ilp1, ilp2 or stat)", &copymin_var),
+       LC_OPT_ENT_ENUM_PTR ("ifg",     "interference graph flavour (std, fast, clique, pointer, list, check)", &ifg_flavor_var),
+       LC_OPT_ENT_ENUM_PTR ("perm",    "perm lowering options (copy or swap)", &lower_perm_var),
+       LC_OPT_ENT_ENUM_MASK("dump",    "select dump phases", &dump_var),
+       LC_OPT_ENT_ENUM_PTR ("vrfy",    "verify options (off, warn, assert)", &be_ch_vrfy_var),
        { NULL }
 };
 
@@ -251,21 +231,22 @@ static void be_ra_chordal_register_options(lc_opt_entry_t *grp)
 
                lc_opt_add_table(chordal_grp, be_chordal_options);
        }
+
+       co_register_options(chordal_grp);
 }
-#endif
+#endif /* WITH_LIBCORE */
 
 static void dump(unsigned mask, ir_graph *irg,
                                 const arch_register_class_t *cls,
                                 const char *suffix,
                                 void (*dump_func)(ir_graph *, const char *))
 {
-       if(1 || ((options.dump_flags & mask) == mask)) {
-               if(cls) {
+       if((options.dump_flags & mask) == mask) {
+               if (cls) {
                        char buf[256];
                        snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
                        be_dump(irg, buf, dump_func);
                }
-
                else
                        be_dump(irg, suffix, dump_func);
        }
@@ -283,15 +264,54 @@ static void put_ignore_colors(be_chordal_env_t *chordal_env)
                        bitset_set(chordal_env->ignore_colors, i);
 }
 
+FILE *be_chordal_open(const be_chordal_env_t *env, const char *prefix, const char *suffix)
+{
+       char buf[1024];
+
+       ir_snprintf(buf, sizeof(buf), "%s%F_%s.%s", prefix, env->irg, env->cls->name, suffix);
+       return fopen(buf, "wt");
+}
+
+void check_ifg_implementations(be_chordal_env_t *chordal_env)
+{
+       FILE *f;
+
+       f = be_chordal_open(chordal_env, "std", "log");
+       chordal_env->ifg = be_ifg_std_new(chordal_env);
+       be_ifg_check_sorted(chordal_env->ifg, f);
+       fclose(f);
+
+       f = be_chordal_open(chordal_env, "list", "log");
+       chordal_env->ifg = be_ifg_list_new(chordal_env);
+       be_ifg_check_sorted(chordal_env->ifg, f);
+       fclose(f);
+
+       f = be_chordal_open(chordal_env, "clique", "log");
+       chordal_env->ifg = be_ifg_clique_new(chordal_env);
+       be_ifg_check_sorted(chordal_env->ifg, f);
+       fclose(f);
+
+       f = be_chordal_open(chordal_env, "pointer", "log");
+       chordal_env->ifg = be_ifg_pointer_new(chordal_env);
+       be_ifg_check_sorted(chordal_env->ifg, f);
+       fclose(f);
+
+       chordal_env->ifg = NULL;
+};
+
 static void be_ra_chordal_main(const be_irg_t *bi)
 {
        const be_main_env_t *main_env = bi->main_env;
-       const arch_isa_t *isa         = arch_env_get_isa(main_env->arch_env);
-       ir_graph *irg                 = bi->irg;
+       const arch_isa_t    *isa      = arch_env_get_isa(main_env->arch_env);
+       ir_graph            *irg      = bi->irg;
+       copy_opt_t          *co;
 
        int j, m;
        be_chordal_env_t chordal_env;
 
+       //lc_timer_t *timer = lc_timer_register("getTime","get Time of copy minimization using the ifg");
+       //unsigned long elapsed_milisec = 0;
+
        compute_doms(irg);
 
        chordal_env.opts          = &options;
@@ -316,6 +336,9 @@ static void be_ra_chordal_main(const be_irg_t *bi)
 
                /* spilling */
                switch(options.spill_method) {
+               case BE_CH_SPILL_MORGAN:
+                       be_spill_morgan(&chordal_env);
+                       break;
                case BE_CH_SPILL_BELADY:
                        be_spill_belady(&chordal_env);
                        break;
@@ -323,36 +346,113 @@ static void be_ra_chordal_main(const be_irg_t *bi)
                case BE_CH_SPILL_ILP:
                        be_spill_ilp(&chordal_env);
                        break;
+                case BE_CH_SPILL_REMAT:
+                        be_spill_remat(&chordal_env);
+                        break;
+               case BE_CH_SPILL_APPEL:
+                       be_spill_appel(&chordal_env);
+                       break;
 #endif /* WITH_ILP */
                default:
                        fprintf(stderr, "no valid spiller selected. falling back to belady\n");
                        be_spill_belady(&chordal_env);
                }
                dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", dump_ir_block_graph_sched);
-               be_liveness(irg);
-               be_check_pressure(&chordal_env);
+               be_abi_fix_stack_nodes(bi->abi);
+
+               /* verify schedule and register pressure */
+               if (options.vrfy_option == BE_CH_VRFY_WARN) {
+                       be_verify_schedule(irg);
+                       be_verify_register_pressure(chordal_env.birg->main_env->arch_env, chordal_env.cls, irg);
+               }
+               else if (options.vrfy_option == BE_CH_VRFY_ASSERT) {
+                       assert(be_verify_schedule(irg) && "Schedule verification failed");
+                       assert(be_verify_register_pressure(chordal_env.birg->main_env->arch_env, chordal_env.cls, irg)
+                               && "Register pressure verification failed");
+               }
 
                /* Color the graph. */
+               be_liveness(irg);
                be_ra_chordal_color(&chordal_env);
                dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-color", dump_ir_block_graph_sched);
 
-               /* Build the interference graph. */
-               chordal_env.ifg = be_ifg_std_new(&chordal_env);
-               be_ifg_check(chordal_env.ifg);
+               /* Check the implementations of the ifg */
+
+               switch (options.ifg_flavor) {
+                       default:
+                               fprintf(stderr, "no valid ifg flavour selected. falling back to std\n");
+                       case BE_CH_IFG_STD:
+                       case BE_CH_IFG_FAST:
+                               chordal_env.ifg = be_ifg_std_new(&chordal_env);
+                               break;
+                       case BE_CH_IFG_CLIQUE:
+                               chordal_env.ifg = be_ifg_clique_new(&chordal_env);
+                               break;
+                       case BE_CH_IFG_POINTER:
+                               chordal_env.ifg = be_ifg_pointer_new(&chordal_env);
+                               break;
+                       case BE_CH_IFG_LIST:
+                               chordal_env.ifg = be_ifg_list_new(&chordal_env);
+                               break;
+                       case BE_CH_IFG_CHECK:
+                               check_ifg_implementations(&chordal_env);
+                               /* Build the interference graph. */
+                               chordal_env.ifg = be_ifg_std_new(&chordal_env);
+                               //be_ifg_check(chordal_env.ifg);
+                               //be_ifg_check_sorted(chordal_env.ifg);
+                               break;
+               }
+
+               /* start timer */
+               //lc_timer_reset_and_start(timer);
 
                /* copy minimization */
-#ifdef COPYOPT_STAT
-               co_compare_solvers(&chordal_env);
-#else
-               if (options.copymin_method != BE_CH_COPYMIN_NONE)
-               {
-                       copy_opt_t *co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
+               co = NULL;
+               if (options.copymin_method != BE_CH_COPYMIN_NONE && options.copymin_method != BE_CH_COPYMIN_STAT) {
+                       co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
                        co_build_ou_structure(co);
-                       co_solve_heuristic(co);
+                       co_build_graph_structure(co);
+               }
+
+               /* stop timer */
+               //lc_timer_stop(timer);
+               //elapsed_milisec = lc_timer_elapsed_msec(timer);
+
+               //ir_printf("%u\n", elapsed_milisec);
+
+               switch(options.copymin_method) {
+                       case BE_CH_COPYMIN_HEUR1:
+                               co_solve_heuristic(co);
+                               break;
+                       case BE_CH_COPYMIN_HEUR2:
+                               co_solve_heuristic_new(co);
+                               break;
+                       case BE_CH_COPYMIN_PARK_MOON:
+                               co_solve_park_moon(co);
+                               break;
+                       case BE_CH_COPYMIN_STAT:
+                               co_compare_solvers(&chordal_env);
+                               break;
+#ifdef WITH_ILP
+                       case BE_CH_COPYMIN_ILP1:
+                               printf("FIXME: %s:%d ILP1 not yet implemented!\n", __FILE__, __LINE__);
+                               co_solve_ilp1(co, 60.0);
+                               break;
+                       case BE_CH_COPYMIN_ILP2:
+                               co_solve_ilp2(co, 60.0);
+                               break;
+#endif /* WITH_ILP */
+                       case BE_CH_COPYMIN_NONE:
+                       default:
+                               break;
+               }
+
+               if (co) {
+                       co_free_graph_structure(co);
                        co_free_ou_structure(co);
                        free_copy_opt(co);
                }
-#endif
+
                dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
                be_ra_chordal_check(&chordal_env);