X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=97b2b5ef5114932134ac5619a44766679e59cd87;hb=6be08f9b4120afddd7849bf9bcb00c4475b0296f;hp=aac17323ddf6c70daa30603b79645506a6f00c05;hpb=4149bc8a543af8c674b7c71d86262a20d76dcd05;p=libfirm

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index aac17323d..97b2b5ef5 100644
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -218,7 +218,6 @@ const backend_params *be_init(void)
 {
 	be_opt_register();
 	be_init_modules();
-	phi_class_init();
 
 	if (isa_if->get_params)
 		return isa_if->get_params();
@@ -374,6 +373,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 	static const char suffix[] = ".prof";
 	be_irg_t *birgs;
 	unsigned num_birgs;
+	ir_graph **irg_list, **backend_irg_list;
 
 	be_ra_timer_t *ra_timer;
 
@@ -408,16 +408,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 	be_dbg_so(env.db_handle, cup_name);
 	be_dbg_types(env.db_handle);
 
+	/* backend may provide an ordered list of irgs where code should be generated for */
+	irg_list         = NEW_ARR_F(ir_graph *, 0);
+	backend_irg_list = arch_isa_get_backend_irg_list(isa, &irg_list);
+
 	/* we might need 1 birg more for instrumentation constructor */
-	num_birgs = get_irp_n_irgs();
+	num_birgs = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs();
 	birgs     = alloca(sizeof(birgs[0]) * (num_birgs + 1));
 
 	/* First: initialize all birgs */
-	for(i = 0; i < get_irp_n_irgs(); ++i) {
-		ir_graph *irg = get_irp_irg(i);
-
+	for(i = 0; i < num_birgs; ++i) {
+		ir_graph *irg = backend_irg_list ? backend_irg_list[i] : get_irp_irg(i);
 		initialize_birg(&birgs[i], irg, &env);
 	}
+	DEL_ARR_F(irg_list);
 
 	/*
 		Get the filename for the profiling data.
@@ -443,7 +447,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 
 	/* For all graphs */
 	for (i = 0; i < num_birgs; ++i) {
-		be_irg_t *birg = & birgs[i];
+		be_irg_t *birg = &birgs[i];
 		ir_graph *irg  = birg->irg;
 		optimization_state_t state;
 		const arch_code_generator_if_t *cg_if;
@@ -524,7 +528,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 
 		be_do_stat_nodes(irg, "03 Prepare");
 
-		/* Compute loop nesting information (for weighting copies) */
+		/* Transformation may produce nodes only reachable via out edges, kill them. */
+		be_kill_dead_nodes(irg);
 		dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
 		BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg));