X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=97b2b5ef5114932134ac5619a44766679e59cd87;hb=6be08f9b4120afddd7849bf9bcb00c4475b0296f;hp=6f96823c5ba210552c0d60a6cd0268bbec5694ef;hpb=e57a540f294eb94f109c0661a1714dbe7b83a8bc;p=libfirm

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index 6f96823c5..97b2b5ef5 100644
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -409,8 +409,8 @@ static void be_main_loop(FILE *file_handle, const char *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);
+	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 = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs();
@@ -419,7 +419,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 	/* First: initialize all birgs */
 	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);
@@ -529,7 +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));