be: Use arch_is_irn_not_scheduled().

ir/be/belistsched.c

@@ -65,7 +65,7 @@ static void add_to_sched(ir_node *node);
  */
 static void node_ready(ir_node *node)
 {
-	if (is_Proj(node) || arch_irn_is(node, not_scheduled)) {
+	if (arch_is_irn_not_scheduled(node)) {
 		/* not_scheduled nodes are already available */
 		DB((dbg, LEVEL_3, "\tmaking available: %+F\n", node));
 		make_available(node);

ir/be/beschednormal.c

@@ -49,11 +49,6 @@ static void set_irn_flag_and_cost(ir_node *node, flag_and_cost *fc)
 	set_irn_link(node, fc);
 }
 
-static bool must_be_scheduled(const ir_node *const irn)
-{
-	return !is_Proj(irn) && !arch_irn_is(irn, not_scheduled);
-}
-
 static ir_node *normal_select(ir_nodeset_t *ready_set)
 {
 	for (ir_node *irn = curr_list, *last = NULL, *next; irn != NULL;
@@ -167,7 +162,7 @@ static void normal_cost_walker(ir_node *irn, void *data)
 		set_irn_link(irn, roots);
 		return;
 	}
-	if (!must_be_scheduled(irn))
+	if (arch_is_irn_not_scheduled(irn))
 		return;
 	normal_tree_cost(irn);
 }
@@ -175,7 +170,7 @@ static void normal_cost_walker(ir_node *irn, void *data)
 static void collect_roots(ir_node *irn, void *env)
 {
 	(void)env;
-	if (!must_be_scheduled(irn))
+	if (arch_is_irn_not_scheduled(irn))
 		return;
 
 	bool is_root = be_is_Keep(irn) || !get_irn_flag_and_cost(irn)->no_root;
@@ -270,7 +265,7 @@ static void normal_sched_block(ir_node *block, void *env)
 	ir_node **sched = NEW_ARR_F(ir_node*, 0);
 	for (int i = 0; i < root_count; ++i) {
 		ir_node *irn = root_costs[i].irn;
-		assert(must_be_scheduled(irn));
+		assert(!arch_is_irn_not_scheduled(irn));
 		sched = sched_node(sched, irn);
 	}
 	set_irn_link(block, sched);

ir/be/beverify.c

@@ -248,8 +248,8 @@ static void verify_schedule_walker(ir_node *block, void *data)
 static void check_schedule(ir_node *node, void *data)
 {
 	be_verify_schedule_env_t *env = (be_verify_schedule_env_t*)data;
-	bool should_be = !is_Proj(node) && !(arch_get_irn_flags(node) & arch_irn_flag_not_scheduled);
-	bool scheduled = bitset_is_set(env->scheduled, get_irn_idx(node));
+	bool const should_be = !arch_is_irn_not_scheduled(node);
+	bool const scheduled = bitset_is_set(env->scheduled, get_irn_idx(node));
 
 	if (should_be != scheduled) {
 		ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should%s be scheduled\n",