#include "irop.h"
#include "irnode.h"
#include "irgraph.h"
+#include "irhooks.h"
/**
* Statistic options, can be or'ed.
FIRMSTAT_CSV_OUTPUT = 0x10000000 /**< CSV output of some mini-statistic */
};
+/**
+ * Additional flags for statistics.
+ */
+enum firmstat_optimizations_t {
+ FS_OPT_NEUTRAL_0 = HOOK_OPT_LAST, /**< a op 0 = 0 op a = a */
+ FS_OPT_NEUTRAL_1, /**< a op 1 = 1 op a = a */
+ FS_OPT_ADD_A_A, /**< a + a = a * 2 */
+ FS_OPT_ADD_A_MINUS_B, /**< a + -b = a - b */
+ FS_OPT_ADD_SUB, /**< (a + x) - x = (a - x) + x */
+ FS_OPT_SUB_0_A, /**< 0 - a = -a */
+ FS_OPT_MUL_MINUS_1, /**< a * -1 = -a */
+ FS_OPT_OR, /**< a | a = a | 0 = 0 | a = a */
+ FS_OPT_AND, /**< a & 0b1...1 = 0b1...1 & a = a & a = a */
+ FS_OPT_EOR_A_A, /**< a ^ a = 0 */
+ FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */
+ FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x */
+ 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_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */
+ 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_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_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) */
+ FS_OPT_MUX_TO_SHR, /**< Mux(a > b, a, b) = a >> b */
+ FS_OPT_MAX
+};
+
/**
* Dump a snapshot of the statistic values.
* Never called from libFirm should be called from user.