* Removes all Bad nodes from a graph.
*
* @param irg The graph to be optimized.
- *
- * @return non-zero if at least one Bad was removed, otherwise 0
*/
-FIRM_API int remove_bads(ir_graph *irg);
+FIRM_API void remove_bads(ir_graph *irg);
/**
* Removes all Tuple nodes from a graph.
*
* @param irg The graph to be optimized.
- *
- * @return non-zero if at least one Tuple was removed, otherwise 0
*/
-FIRM_API int remove_tuples(ir_graph *irg);
+FIRM_API void remove_tuples(ir_graph *irg);
/**
* Creates an ir_graph pass for optimize_graph_df().