unsigned is_leaf_call:2; /**< set, if this irg calls only leaf functions */
unsigned is_recursive:1; /**< set, if this irg has recursive calls */
unsigned is_chain_call:1; /**< set, if this irg is a chain call */
unsigned is_leaf_call:2; /**< set, if this irg calls only leaf functions */
unsigned is_recursive:1; /**< set, if this irg has recursive calls */
unsigned is_chain_call:1; /**< set, if this irg is a chain call */