Go to the documentation of this file. 20 #define FOLLY_DETAIL_BUILTIN_EXPECT(b, t) (__builtin_expect(b, t)) 22 #define FOLLY_DETAIL_BUILTIN_EXPECT(b, t) b 35 #define FOLLY_LIKELY(x) FOLLY_DETAIL_BUILTIN_EXPECT((x), 1) 36 #define FOLLY_UNLIKELY(x) FOLLY_DETAIL_BUILTIN_EXPECT((x), 0) 44 #define LIKELY(x) (__builtin_expect((x), 1)) 45 #define UNLIKELY(x) (__builtin_expect((x), 0)) 48 #define UNLIKELY(x) (x)