FS_OPT_SUB_SUB_X_Y_Z, /**< (x - y) - z = x - (y + z) */
FS_OPT_SUB_C_NOT_X, /**< c - ~a = a + (c+1) */
FS_OPT_SUB_TO_ADD, /**< (-a) - b = -(a + b), a - (b - c) = a + (c - b), a - (b * C) -> a + (b * -C) */
+ FS_OPT_SUB_TO_NOT, /**< -1 - x -> ~x on two's complement */
+ FS_OPT_SUB_TO_CONV, /**< a - NULL = (int)a */
FS_OPT_MUL_MINUS, /**< (-a) * (b - c) -> a * (c - b) */
FS_OPT_MUL_MINUS_1, /**< a * -1 = -a */
FS_OPT_MINUS_MUL_C, /**< (-a) * C = a * (-C) */
FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */
FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x, (a ^ b) & b -> ~a & b */
FS_OPT_NOT_CMP, /**< !(a cmp b) = a !cmp b */
- FS_OPT_OR_SHFT_TO_ROT, /**< (x << c) | (x >> (bits - c)) == Rot(x, c) */
+ FS_OPT_OR_SHFT_TO_ROTL, /**< (x << c) | (x >> (bits - c)) == Rotl(x, c) */
FS_OPT_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */
FS_OPT_SHIFT_AND, /**< (a SHF c) AND (b SHF c) = (a AND b) SHF c */
FS_OPT_SHIFT_OR, /**< (a SHF c) OR (b SHF c) = (a OR b) SHF c */
FS_OPT_CMP_CNST_MAGN, /**< CMP optimization: reduced magnitude of a const */
FS_OPT_CMP_SHF_TO_AND, /**< CMP optimization: transformed shift into And */
FS_OPT_CMP_MOD_TO_AND, /**< CMP optimization: transformed Mod into And */
+ FS_OPT_NOP, /**< the operation is a NOP */
+ FS_OPT_GVN_FOLLOWER, /**< GVN-PRE: replaced a follower */
+ FS_OPT_GVN_FULLY, /**< GVN-PRE: replaced by fully redundant value */
+ FS_OPT_GVN_PARTLY, /**< GVN-PRE: replaced by partly redundant value */
+ FS_OPT_COMBO_CONST, /**< Combo: evaluated into Constant */
+ FS_OPT_COMBO_CF, /**< Combo: removed conditional control flow */
+ FS_OPT_COMBO_FOLLOWER, /**< Combo: replaced a follower */
+ FS_OPT_COMBO_CONGRUENT, /**< Combo: replaced by congruent */
FS_OPT_RTS_ABS, /**< RTS optimization: call to abs() replaced */
FS_OPT_RTS_ALLOCA, /**< RTS optimization: call to alloca() replaced */
FS_OPT_RTS_SQRT, /**< RTS optimization: call to sqrt() replaced */