remove unnecessary and unused be_empty_set
[libfirm] / ir / be / bechordal_main.c
index 94b59f7..6461dd5 100644 (file)
 #include "debug.h"
 #include "execfreq.h"
 #include "iredges_t.h"
+#include "error.h"
 
 #include "bechordal_t.h"
 #include "beabi.h"
 #include "beutil.h"
 #include "besched.h"
-#include "besched_t.h"
+#include "besched.h"
 #include "belive_t.h"
-#include "bearch_t.h"
+#include "bearch.h"
 #include "beifg_t.h"
 #include "beifg_impl.h"
-#include "benode_t.h"
+#include "benode.h"
 #include "bestatevent.h"
 #include "bestat.h"
 #include "bemodule.h"
 #include "be_t.h"
 #include "bera.h"
-#include "beirg_t.h"
+#include "beirg.h"
+#include "bedump_minir.h"
 
 #include "bespillslots.h"
-#include "bespilloptions.h"
+#include "bespill.h"
 #include "belower.h"
 
 #include "becopystat.h"
 #include "becopyopt.h"
 #include "bessadestr.h"
 #include "beverify.h"
-#include "benode_t.h"
+#include "benode.h"
+
+#include "bepbqpcoloring.h"
 
 static be_ra_chordal_opts_t options = {
        BE_CH_DUMP_NONE,
@@ -141,19 +145,41 @@ static lc_opt_enum_int_var_t be_ch_vrfy_var = {
        &options.vrfy_option, be_ch_vrfy_items
 };
 
+static char minir_file[256] = "";
+
 static const lc_opt_table_entry_t be_chordal_options[] = {
        LC_OPT_ENT_ENUM_PTR ("perm",          "perm lowering options", &lower_perm_var),
        LC_OPT_ENT_ENUM_MASK("dump",          "select dump phases", &dump_var),
        LC_OPT_ENT_ENUM_PTR ("verify",        "verify options", &be_ch_vrfy_var),
+       LC_OPT_ENT_STR      ("minirout",      "dump MinIR to file", minir_file, sizeof(minir_file)),
        LC_OPT_LAST
 };
 
+static be_module_list_entry_t *colorings = NULL;
+static const be_ra_chordal_coloring_t *selected_coloring = NULL;
+
+void be_register_chordal_coloring(const char *name, be_ra_chordal_coloring_t *coloring)
+{
+       if (selected_coloring == NULL)
+               selected_coloring = coloring;
+
+       be_add_module_to_list(&colorings, name, coloring);
+}
+
+static void be_ra_chordal_coloring(be_chordal_env_t *env)
+{
+       assert(selected_coloring != NULL);
+       if (selected_coloring != NULL) {
+               selected_coloring->allocate(env);
+       }
+}
+
 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((options.dump_flags & mask) == mask) {
+       if ((options.dump_flags & mask) == mask) {
                if (cls) {
                        char buf[256];
                        snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
@@ -179,7 +205,7 @@ static void memory_operand_walker(ir_node *irn, void *env)
                return;
 
        /* only use memory operands, if the reload is only used by 1 node */
-       if(get_irn_n_edges(irn) > 1)
+       if (get_irn_n_edges(irn) > 1)
                return;
 
        spill = be_get_Reload_mem(irn);
@@ -207,7 +233,7 @@ static void memory_operand_walker(ir_node *irn, void *env)
 /**
  * Starts a walk for memory operands if supported by the backend.
  */
-static INLINE void check_for_memory_operands(ir_graph *irg)
+void check_for_memory_operands(ir_graph *irg)
 {
        irg_walk_graph(irg, NULL, memory_operand_walker, NULL);
 }
@@ -237,9 +263,9 @@ static void pre_spill(post_spill_env_t *pse, const arch_register_class_t *cls)
        /* put all ignore registers into the ignore register set. */
        be_put_ignore_regs(birg, pse->cls, chordal_env->ignore_colors);
 
-       BE_TIMER_PUSH(t_ra_constr);
-       be_pre_spill_prepare_constr(chordal_env);
-       BE_TIMER_POP(t_ra_constr);
+       be_timer_push(T_RA_CONSTR);
+       be_pre_spill_prepare_constr(chordal_env->birg, chordal_env->cls);
+       be_timer_pop(T_RA_CONSTR);
 
        dump(BE_CH_DUMP_CONSTR, birg->irg, pse->cls, "-constr-pre", dump_ir_block_graph_sched);
 }
@@ -247,7 +273,8 @@ static void pre_spill(post_spill_env_t *pse, const arch_register_class_t *cls)
 /**
  * Perform things which need to be done per register class after spilling.
  */
-static void post_spill(post_spill_env_t *pse, int iteration) {
+static void post_spill(post_spill_env_t *pse, int iteration)
+{
        be_chordal_env_t    *chordal_env = &pse->cenv;
        be_irg_t            *birg        = pse->birg;
        ir_graph            *irg         = birg->irg;
@@ -263,16 +290,16 @@ static void post_spill(post_spill_env_t *pse, int iteration) {
                        called in a loop after spilling for each register class.
                        But we only need to fix stack nodes once in this case.
                */
-               BE_TIMER_PUSH(t_ra_spill_apply);
+               be_timer_push(T_RA_SPILL_APPLY);
                check_for_memory_operands(irg);
                if (iteration == 0) {
                        be_abi_fix_stack_nodes(birg->abi);
                }
-               BE_TIMER_POP(t_ra_spill_apply);
+               be_timer_pop(T_RA_SPILL_APPLY);
 
 
                /* verify schedule and register pressure */
-               BE_TIMER_PUSH(t_verify);
+               be_timer_push(T_VERIFY);
                if (chordal_env->opts->vrfy_option == BE_CH_VRFY_WARN) {
                        be_verify_schedule(birg);
                        be_verify_register_pressure(birg, pse->cls, irg);
@@ -281,19 +308,19 @@ static void post_spill(post_spill_env_t *pse, int iteration) {
                        assert(be_verify_register_pressure(birg, pse->cls, irg)
                                && "Register pressure verification failed");
                }
-               BE_TIMER_POP(t_verify);
+               be_timer_pop(T_VERIFY);
 
                /* Color the graph. */
-               BE_TIMER_PUSH(t_ra_color);
-               be_ra_chordal_color(chordal_env);
-               BE_TIMER_POP(t_ra_color);
+               be_timer_push(T_RA_COLOR);
+               be_ra_chordal_coloring(chordal_env);
+               be_timer_pop(T_RA_COLOR);
 
                dump(BE_CH_DUMP_CONSTR, irg, pse->cls, "-color", dump_ir_block_graph_sched);
 
                /* Create the ifg with the selected flavor */
-               BE_TIMER_PUSH(t_ra_ifg);
+               be_timer_push(T_RA_IFG);
                chordal_env->ifg = be_create_ifg(chordal_env);
-               BE_TIMER_POP(t_ra_ifg);
+               be_timer_pop(T_RA_IFG);
 
                stat_ev_if {
                        be_ifg_stat_t   stat;
@@ -313,25 +340,39 @@ static void post_spill(post_spill_env_t *pse, int iteration) {
                                        node_stats[BE_STAT_COPIES]);
                }
 
-               /* copy minimization */
-               BE_TIMER_PUSH(t_ra_copymin);
+               be_timer_push(T_RA_COPYMIN);
+               if (minir_file[0] != '\0') {
+                       FILE *out;
+
+                       if (strcmp(minir_file, "-") == 0) {
+                               out = stdout;
+                       } else {
+                               out = fopen(minir_file, "w");
+                               if (out == NULL) {
+                                       panic("Cound't open minir output '%s'", minir_file);
+                               }
+                       }
+
+                       be_export_minir(chordal_env->birg->main_env->arch_env, out, irg);
+                       if (out != stdout)
+                               fclose(out);
+               }
                co_driver(chordal_env);
-               BE_TIMER_POP(t_ra_copymin);
+               be_timer_pop(T_RA_COPYMIN);
 
                dump(BE_CH_DUMP_COPYMIN, irg, pse->cls, "-copymin", dump_ir_block_graph_sched);
 
-
                /* ssa destruction */
-               BE_TIMER_PUSH(t_ra_ssa);
+               be_timer_push(T_RA_SSA);
                be_ssa_destruction(chordal_env);
-               BE_TIMER_POP(t_ra_ssa);
+               be_timer_pop(T_RA_SSA);
 
                dump(BE_CH_DUMP_SSADESTR, irg, pse->cls, "-ssadestr", dump_ir_block_graph_sched);
 
                if (chordal_env->opts->vrfy_option != BE_CH_VRFY_OFF) {
-                       BE_TIMER_PUSH(t_verify);
+                       be_timer_push(T_VERIFY);
                        be_ssa_destruction_check(chordal_env);
-                       BE_TIMER_POP(t_verify);
+                       be_timer_pop(T_VERIFY);
                }
 
                /* the ifg exists only if there are allocatable regs */
@@ -358,9 +399,9 @@ static void be_ra_chordal_main(be_irg_t *birg)
        be_chordal_env_t  chordal_env;
        struct obstack    obst;
 
-       BE_TIMER_PUSH(t_ra_other);
+       be_timer_push(T_RA_OTHER);
 
-       BE_TIMER_PUSH(t_ra_prolog);
+       be_timer_push(T_RA_PROLOG);
 
        be_assure_liveness(birg);
 
@@ -374,7 +415,7 @@ static void be_ra_chordal_main(be_irg_t *birg)
 
        obstack_init(&obst);
 
-       BE_TIMER_POP(t_ra_prolog);
+       be_timer_pop(T_RA_PROLOG);
 
        stat_ev_if {
                be_collect_node_stats(&last_node_stats, birg);
@@ -389,7 +430,7 @@ static void be_ra_chordal_main(be_irg_t *birg)
                        const arch_register_class_t *cls
                                = arch_env_get_reg_class(arch_env, j);
 
-                       if(arch_register_class_flags(cls) & arch_register_class_flag_manual_ra)
+                       if (arch_register_class_flags(cls) & arch_register_class_flag_manual_ra)
                                continue;
 
 
@@ -403,9 +444,9 @@ static void be_ra_chordal_main(be_irg_t *birg)
                        pse.birg = birg;
                        pre_spill(&pse, cls);
 
-                       BE_TIMER_PUSH(t_ra_spill);
+                       be_timer_push(T_RA_SPILL);
                        be_do_spill(birg, cls);
-                       BE_TIMER_POP(t_ra_spill);
+                       be_timer_pop(T_RA_SPILL);
 
                        dump(BE_CH_DUMP_SPILL, irg, pse.cls, "-spill",
                             dump_ir_block_graph_sched);
@@ -429,7 +470,7 @@ static void be_ra_chordal_main(be_irg_t *birg)
                /* the backend has its own spiller */
                m = arch_env_get_n_reg_class(arch_env);
 
-               pse = alloca(m * sizeof(pse[0]));
+               pse = ALLOCAN(post_spill_env_t, m);
 
                for (j = 0; j < m; ++j) {
                        memcpy(&pse[j].cenv, &chordal_env, sizeof(chordal_env));
@@ -437,9 +478,9 @@ static void be_ra_chordal_main(be_irg_t *birg)
                        pre_spill(&pse[j], pse[j].cls);
                }
 
-               BE_TIMER_PUSH(t_ra_spill);
+               be_timer_push(T_RA_SPILL);
                arch_code_generator_spill(birg->cg, birg);
-               BE_TIMER_POP(t_ra_spill);
+               be_timer_pop(T_RA_SPILL);
                dump(BE_CH_DUMP_SPILL, irg, NULL, "-spill", dump_ir_block_graph_sched);
 
                for (j = 0; j < m; ++j) {
@@ -447,39 +488,39 @@ static void be_ra_chordal_main(be_irg_t *birg)
                }
        }
 
-       BE_TIMER_PUSH(t_verify);
+       be_timer_push(T_VERIFY);
        if (chordal_env.opts->vrfy_option == BE_CH_VRFY_WARN) {
                be_verify_register_allocation(birg);
-       } else if(chordal_env.opts->vrfy_option == BE_CH_VRFY_ASSERT) {
+       } else if (chordal_env.opts->vrfy_option == BE_CH_VRFY_ASSERT) {
                assert(be_verify_register_allocation(birg)
                                && "Register allocation invalid");
        }
-       BE_TIMER_POP(t_verify);
+       be_timer_pop(T_VERIFY);
 
-       BE_TIMER_PUSH(t_ra_epilog);
+       be_timer_push(T_RA_EPILOG);
        lower_nodes_after_ra(birg, options.lower_perm_opt & BE_CH_LOWER_PERM_COPY ? 1 : 0);
        dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-after-ra", dump_ir_block_graph_sched);
 
        obstack_free(&obst, NULL);
        be_liveness_invalidate(be_get_birg_liveness(birg));
-       BE_TIMER_POP(t_ra_epilog);
+       be_timer_pop(T_RA_EPILOG);
 
-       BE_TIMER_POP(t_ra_other);
+       be_timer_pop(T_RA_OTHER);
 }
 
-static be_ra_t be_ra_chordal_allocator = {
-       be_ra_chordal_main,
-};
-
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_chordal_main);
 void be_init_chordal_main(void)
 {
+       static be_ra_t be_ra_chordal_allocator = {
+               be_ra_chordal_main,
+       };
+
        lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
        lc_opt_entry_t *ra_grp = lc_opt_get_grp(be_grp, "ra");
        lc_opt_entry_t *chordal_grp = lc_opt_get_grp(ra_grp, "chordal");
 
-       lc_opt_add_table(chordal_grp, be_chordal_options);
-
        be_register_allocator("chordal", &be_ra_chordal_allocator);
-}
 
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_chordal_main);
+       lc_opt_add_table(chordal_grp, be_chordal_options);
+       be_add_module_list_opt(chordal_grp, "coloring", "select coloring methode", &colorings, (void**) &selected_coloring);
+}