3 * @author Sebastian Hack
22 #include "bechordal_t.h"
24 #include "besched_t.h"
25 #include "belistsched.h"
28 #include "bechordal.h"
30 #include "becopyoptmain.h"
31 #include "becopystat.h"
32 #include "bessadestr.h"
33 #include "bearch_firm.h"
36 #include "beasm_dump_globals.h"
37 #include "beasm_asm_gnu.h"
55 static be_main_env_t *be_init_env(be_main_env_t *env)
57 const arch_isa_if_t *isa = &firm_isa;
59 obstack_init(&env->obst);
61 env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0]));
62 arch_env_init(env->arch_env, isa);
63 env->arch_env->isa->init();
65 env->node_factory = obstack_alloc(&env->obst, sizeof(*env->node_factory));
66 be_node_factory_init(env->node_factory, isa);
68 arch_env_add_irn_handler(env->arch_env, &firm_irn_handler);
69 arch_env_add_irn_handler(env->arch_env,
70 be_node_get_irn_handler(env->node_factory));
75 be_main_session_env_t *be_init_session_env(be_main_session_env_t *env,
76 be_main_env_t *main_env, ir_graph *irg)
78 env->main_env = main_env;
84 static void be_main_loop(void)
88 const arch_isa_if_t *isa;
91 isa = arch_env_get_isa(env.arch_env);
94 for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
96 ir_graph *irg = get_irp_irg(i);
97 be_main_session_env_t session;
99 be_init_session_env(&session, &env, irg);
101 remove_critical_cf_edges(irg);
103 localize_consts(irg);
104 #ifdef DUMP_LOCALIZED
105 dump_consts_local(0);
106 dump_ir_block_graph(irg, "-local-const");
110 /* Schedule the graphs. */
111 list_sched(irg, trivial_selector);
113 /* Liveness analysis */
117 copystat_collect_irg(irg, env.arch_env);
118 /* Perform the following for each register class. */
119 for(j = 0, m = isa->get_n_reg_class(); j < m; ++j) {
120 be_chordal_env_t *chordal_env;
121 const arch_register_class_t *cls = isa->get_reg_class(j);
123 chordal_env = be_ra_chordal(irg, env.arch_env, cls);
125 #ifdef DUMP_ALLOCATED
126 dump_allocated_irg(env.arch_env, irg, "");
128 copystat_collect_cls(chordal_env);
130 be_copy_opt(chordal_env);
131 be_ssa_destruction(&session, chordal_env);
132 be_ra_chordal_done(chordal_env);
134 copystat_dump_pretty(irg);
135 be_numbering_done(irg);
139 void be_main(int argc, const char *argv[])
141 assembler_t *gnu_assembler;
142 FILE *asm_output_file;
145 gnu_assembler = gnuasm_create_assembler();
146 asm_output_file = fopen("asm_output.asm", "w");
148 asm_dump_globals(gnu_assembler);
149 gnuasm_dump(gnu_assembler, asm_output_file);
150 gnuasm_delete_assembler(gnu_assembler);
151 fclose(asm_output_file);