1//===-- divsi3_test.c - Test __divsi3 -------------------------------------===//
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 __divsi3 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 si_int __divsi3(si_int a, si_int b);
20
21int test__divsi3(si_int a, si_int b, si_int expected)
22{
23    si_int x = __divsi3(a, b);
24    if (x != expected)
25        printf("error in __divsi3: %d / %d = %d, expected %d\n",
26               a, b, x, expected);
27    return x != expected;
28}
29
30int main()
31{
32    if (test__divsi3(0, 1, 0))
33        return 1;
34    if (test__divsi3(0, -1, 0))
35        return 1;
36
37    if (test__divsi3(2, 1, 2))
38        return 1;
39    if (test__divsi3(2, -1, -2))
40        return 1;
41    if (test__divsi3(-2, 1, -2))
42        return 1;
43    if (test__divsi3(-2, -1, 2))
44        return 1;
45
46    if (test__divsi3(0x80000000, 1, 0x80000000))
47        return 1;
48    if (test__divsi3(0x80000000, -1, 0x80000000))
49        return 1;
50    if (test__divsi3(0x80000000, -2, 0x40000000))
51        return 1;
52    if (test__divsi3(0x80000000, 2, 0xC0000000))
53        return 1;
54
55    return 0;
56}
57