1//===-- udivdi3_test.c - Test __udivdi3 -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __udivdi3 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: a / b
18
19COMPILER_RT_ABI du_int __udivdi3(du_int a, du_int b);
20
21int test__udivdi3(du_int a, du_int b, du_int expected_q)
22{
23    du_int q = __udivdi3(a, b);
24    if (q != expected_q)
25        printf("error in __udivdi3: %lld / %lld = %lld, expected %lld\n",
26               a, b, q, expected_q);
27    return q != expected_q;
28}
29
30int main()
31{
32    if (test__udivdi3(0, 1, 0))
33        return 1;
34    if (test__udivdi3(2, 1, 2))
35        return 1;
36    if (test__udivdi3(0x8000000000000000uLL, 1, 0x8000000000000000uLL))
37        return 1;
38    if (test__udivdi3(0x8000000000000000uLL, 2, 0x4000000000000000uLL))
39        return 1;
40    if (test__udivdi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x7FFFFFFFFFFFFFFFuLL))
41        return 1;
42
43    return 0;
44}
45