1//===-- divdi3_test.c - Test __divdi3 -------------------------------------===//
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 __divdi3 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 di_int __divdi3(di_int a, di_int b);
20
21int test__divdi3(di_int a, di_int b, di_int expected)
22{
23    di_int x = __divdi3(a, b);
24    if (x != expected)
25        printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n",
26               a, b, x, expected);
27    return x != expected;
28}
29
30char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
31
32int main()
33{
34    if (test__divdi3(0, 1, 0))
35        return 1;
36    if (test__divdi3(0, -1, 0))
37        return 1;
38
39    if (test__divdi3(2, 1, 2))
40        return 1;
41    if (test__divdi3(2, -1, -2))
42        return 1;
43    if (test__divdi3(-2, 1, -2))
44        return 1;
45    if (test__divdi3(-2, -1, 2))
46        return 1;
47
48    if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
49        return 1;
50    if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL))
51        return 1;
52    if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL))
53        return 1;
54    if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL))
55        return 1;
56
57    return 0;
58}
59