irp_temperature_state temperature_state; /**< accumulated temperatures computed? */
exec_freq_state execfreq_state; /**< State of execution freqency information */
loop_nesting_depth_state lnd_state; /**< State of loop nesting depth information. */
+ ir_class_cast_state class_cast_state; /**< kind of cast operations in code. */
+
#ifdef DEBUG_libfirm
long max_node_nr; /**< to generate unique numbers for nodes. */
#endif