moddi3_test.c
1.74 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_moddi3
//===-- moddi3_test.c - Test __moddi3 -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests __moddi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a % b
COMPILER_RT_ABI 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;
}