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1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_paritysi23 4#include "int_lib.h"5#include <stdio.h>6#include <stdlib.h>7 8// Returns: 1 if number of bits is odd else returns 09 10COMPILER_RT_ABI int __paritysi2(si_int a);11 12int naive_parity(si_int a)13{14 int r = 0;15 for (; a; a = a & (a - 1))16 r = ~r;17 return r & 1;18}19 20int test__paritysi2(si_int a)21{22 si_int x = __paritysi2(a);23 si_int expected = naive_parity(a);24 if (x != expected)25 printf("error in __paritysi2(0x%X) = %d, expected %d\n",26 a, x, expected);27 return x != expected;28}29 30char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0};31 32int main()33{34 int i;35 for (i = 0; i < 10000; ++i)36 if (test__paritysi2(rand()))37 return 1;38 39 return 0;40}41