llvm-project/compiler-rt/test/builtins/Unit/moddi3_test.c

63 lines
1.6 KiB
C
Raw Normal View History

//===-- moddi3_test.c - Test __moddi3 -------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
2010-11-17 06:13:33 +08:00
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __moddi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a % b
di_int __moddi3(di_int a, di_int b);
int test__moddi3(di_int a, di_int b, di_int expected)
{
di_int x = __moddi3(a, b);
if (x != expected)
printf("error in __moddi3: %lld %% %lld = %lld, expected %lld\n",
a, b, x, expected);
return x != expected;
}
char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
int main()
{
if (test__moddi3(0, 1, 0))
return 1;
if (test__moddi3(0, -1, 0))
return 1;
if (test__moddi3(5, 3, 2))
return 1;
if (test__moddi3(5, -3, 2))
return 1;
if (test__moddi3(-5, 3, -2))
return 1;
if (test__moddi3(-5, -3, -2))
return 1;
if (test__moddi3(0x8000000000000000LL, 1, 0x0LL))
return 1;
if (test__moddi3(0x8000000000000000LL, -1, 0x0LL))
return 1;
if (test__moddi3(0x8000000000000000LL, 2, 0x0LL))
return 1;
if (test__moddi3(0x8000000000000000LL, -2, 0x0LL))
return 1;
if (test__moddi3(0x8000000000000000LL, 3, -2))
return 1;
if (test__moddi3(0x8000000000000000LL, -3, -2))
return 1;
return 0;
}