FS_OPT_MUX_TRANSFORM, /**< Mux(t ==/!= f, t, f) = f/t, Mux(t ==/!= 0, -t, t) = -t/t */
FS_OPT_MUX_TO_MIN, /**< Mux(a < b, a, b) = Min(a,b) */
FS_OPT_MUX_TO_MAX, /**< Mux(a > b, a, b) = Max(a,b) */
- FS_OPT_MUX_TO_ABS, /**< Mux(a > 0, a, -a) = Abs(a) */
FS_OPT_MUX_TO_BITOP, /**< Mux((a & 2^x) ==/!= 0, 2^x, 0) = (a & 2^x) (xor 2^x) */
FS_OPT_IDEM_UNARY, /**< Idempotent unary operation */
FS_OPT_MINUS_NOT, /**< -(~x) = x + 1 */
FS_OPT_NOT_PLUS_1, /**< ~x + 1 = -x */
FS_OPT_ADD_X_NOT_X, /**< ~x + x = -1 */
FS_OPT_FP_INV_MUL, /**< x / y = x * (1.0/y) */
- FS_OPT_ABS_MINUS_X, /**< Abs(-x) = Abs(x) */
FS_OPT_CONST_PHI, /**< Constant evaluation on Phi */
FS_OPT_PREDICATE, /**< Predicate optimization */
FS_OPT_DEMORGAN, /**< optimization using DeMorgan's law */
/**
* initialize the statistics module.
+ * Should be called directly after ir_init
*
* @param enable_options a bitmask containing the statistic options
*/