X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=005223936792fd513bfb0e7879f12443981501ab;hb=5cc462a3b818894990ff363e93a0cd4ab38fa503;hp=c9a06050ef4c315317f9c7fa6f389c879b77fd8b;hpb=008c5f62e4203b4876f6aa7b46ea40c0ea9f365f;p=libfirm

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index c9a06050e..005223936 100644
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -373,6 +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;
 
@@ -407,16 +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.
@@ -435,14 +440,13 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 		initialize_birg(&birgs[num_birgs], prof_init_irg, &env);
 		num_birgs++;
 		set_method_img_section(get_irg_entity(prof_init_irg), section_constructors);
-	}
-	else {
+	} else {
 		be_profile_read(prof_filename);
 	}
 
 	/* 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;
@@ -510,8 +514,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 		if (be_options.vrfy_option == BE_VRFY_WARN) {
 			be_check_dominance(irg);
 			be_verify_out_edges(irg);
-		}
-		else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
+		} else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
 			assert(be_verify_out_edges(irg));
 			assert(be_check_dominance(irg) && "Dominance verification failed");
 		}
@@ -523,15 +526,18 @@ 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. */
+#if 1
+		edges_deactivate(irg);
+		edges_activate(irg);
+#endif
 		dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
 		BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg));
 
 		if (be_options.vrfy_option == BE_VRFY_WARN) {
 			be_check_dominance(irg);
 			be_verify_out_edges(irg);
-		}
-		else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
+		} else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
 			assert(be_verify_out_edges(irg));
 			assert(be_check_dominance(irg) && "Dominance verification failed");
 		}