void ir_free_resources(ir_graph *irg, ir_resources_t resources);
ir_resources_t ir_resources_reserved(const ir_graph *irg);
#else
-#define ir_reserve_resources(irg,resources)
-#define ir_free_resources(irg,resources)
+#define ir_reserve_resources(irg,resources) (void)0
+#define ir_free_resources(irg,resources) (void)0
#define ir_resources_reserved(irg) 0
#endif