add first statistic support for GVN-PRE and combo

[libfirm] / include / libfirm / firmstat.h

diff --git a/include/libfirm/firmstat.h b/include/libfirm/firmstat.h
index a7bb63c..8906bba 100644 (file)
--- a/include/libfirm/firmstat.h
+++ b/include/libfirm/firmstat.h
@@ -60,6 +60,8 @@ enum firmstat_optimizations_t {
        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) */
@@ -68,10 +70,11 @@ enum firmstat_optimizations_t {
        FS_OPT_AND,                               /**< a & 0b1...1 = 0b1...1 & a =  a & a = a */
        FS_OPT_TO_EOR,                            /**< (a|b) & ~(a&b) = a^b */
        FS_OPT_EOR_A_A,                           /**< a ^ a = 0 */
+       FS_OPT_EOR_A_B_A,                         /**< (a ^ b) ^ a = b */
        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 */
@@ -79,9 +82,15 @@ enum firmstat_optimizations_t {
        FS_OPT_CONV,                              /**< a Conv could be removed */
        FS_OPT_CAST,                              /**< a Cast could be removed */
        FS_OPT_MIN_MAX_EQ,                        /**< Min(a,a) = Max(a,a) = a */
+       FS_OPT_MUX_BOOL,                          /**< Muxb(sel, true, false) = sel */
+       FS_OPT_MUX_NOT_BOOL,                      /**< Muxb(sel, false, true) = Not(sel) */
+       FS_OPT_MUX_OR_BOOL,                       /**< Muxb(sel, true, x) = Or(sel, x) */
+       FS_OPT_MUX_ORNOT_BOOL,                    /**< Muxb(sel, x, true) = Or(Not(sel), x) */
+       FS_OPT_MUX_AND_BOOL,                      /**< Muxb(sel, x, false) = And(sel, x) */
+       FS_OPT_MUX_ANDNOT_BOOL,                   /**< Muxb(sel, false, x) = And(Not(sel), x) */
        FS_OPT_MUX_C,                             /**< Mux(C, f, t) = C ? t : f */
        FS_OPT_MUX_EQ,                            /**< Mux(v, x, x) = x */
-       FS_OPT_MUX_TRANSFORM,                     /**< Mux(a, b, c) = b OR Mux(a,b, c) = c */
+       FS_OPT_MUX_TRANSFORM,                     /**< Mux(a, b, c) = b OR Mux(a, b, c) = c */
        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 > b, a, b) = Abs(a,b) */
@@ -104,6 +113,14 @@ enum firmstat_optimizations_t {
        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 */