1// RUN: %clang_builtins %s %librt -o %t && %run %t
2//===-- udivmodsi4_test.c - Test __udivmodsi4 -----------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __udivmodsi4 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: a / b
18
19extern COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
20
21int test__udivmodsi4(su_int a, su_int b,
22                        su_int expected_result, su_int expected_rem)
23{
24    su_int rem;
25    su_int result = __udivmodsi4(a, b, &rem);
26    if (result != expected_result) {
27        printf("error in __udivmodsi4: %u / %u = %u, expected %u\n",
28               a, b, result, expected_result);
29        return 1;
30    }
31    if (rem != expected_rem) {
32        printf("error in __udivmodsi4: %u mod %u = %u, expected %u\n",
33               a, b, rem, expected_rem);
34        return 1;
35    }
36
37    return 0;
38}
39
40
41int main()
42{
43    if (test__udivmodsi4(0, 1, 0, 0))
44        return 1;
45
46    if (test__udivmodsi4(2, 1, 2, 0))
47        return 1;
48
49    if (test__udivmodsi4(19, 5, 3, 4))
50        return 1;
51
52    if (test__udivmodsi4(0x80000000, 8, 0x10000000, 0))
53        return 1;
54
55     if (test__udivmodsi4(0x80000003, 8, 0x10000000, 3))
56        return 1;
57
58    return 0;
59}
60