void set_opt_tail_recursion(int value);
void set_opt_tail_recursion_verbose(int value);
+/** Enable/Disable floating of fragile ops.
+ *
+ * This flags enables/disables the floating of fragile operations.
+ * If this flag is on, fragile operations which are known to NOT raise
+ * an exception can be place to other basic blocks.
+ * Otherwise they remain in the block they were created.
+ */
void set_opt_fragile_ops(int value);
+/**
+ * Enable/Disable if conversion.
+ *
+ * If conversion tries to turn Conds into Mux nodes to eliminate
+ * control flow.
+ */
+void set_opt_if_conversion(int value);
/** Enable/Disable normalizations of the firm representation.
*