assume.h

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#ifndef PRISM_COMPILER_ASSUME_H
#define PRISM_COMPILER_ASSUME_H
 
#if defined(__clang__)
    #define PRISM_ASSUME(expr_) __builtin_assume(expr_)
#elif defined(_MSC_VER)
    #define PRISM_ASSUME(expr_) __assume(expr_)
#elif defined(__GNUC__) && (__GNUC__ >= 13)
    #define PRISM_ASSUME(expr_) __attribute__((assume(expr_)))
#elif defined(__GNUC__)
    #define PRISM_ASSUME(expr_) ((expr_) ? (void) 0 : __builtin_unreachable())
#else
    #define PRISM_ASSUME(expr_) ((void) 0)
#endif
 
#endif