- *
- * @param force_run if non-zero, an optimization run is started even
- * if no const function graph was detected.
- * Else calls are only optimized if at least one
- * const function graph was detected.
- * @param callback a callback function to check whether a
- * given entity is a allocation call
- *
- * If the frontend created external entities with the irg_const_function
- * property set, the force_run parameter should be set, else
- * should be unset.
- *
- * @note This optimization destroys the link fields of nodes.