49 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_divdi33 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: a / b8 9COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);10 11int test__divdi3(di_int a, di_int b, di_int expected)12{13 di_int x = __divdi3(a, b);14 if (x != expected)15 printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n",16 a, b, x, expected);17 return x != expected;18}19 20char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};21 22int main()23{24 if (test__divdi3(0, 1, 0))25 return 1;26 if (test__divdi3(0, -1, 0))27 return 1;28 29 if (test__divdi3(2, 1, 2))30 return 1;31 if (test__divdi3(2, -1, -2))32 return 1;33 if (test__divdi3(-2, 1, -2))34 return 1;35 if (test__divdi3(-2, -1, 2))36 return 1;37 38 if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))39 return 1;40 if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL))41 return 1;42 if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL))43 return 1;44 if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL))45 return 1;46 47 return 0;48}49