1//===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __negvdi2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: -a
18
19// Effects: aborts if -a overflows
20
21di_int __negvdi2(di_int a);
22
23int test__negvdi2(di_int a)
24{
25    di_int x = __negvdi2(a);
26    di_int expected = -a;
27    if (x != expected)
28        printf("error in __negvdi2(0x%llX) = %lld, expected %lld\n",
29               a, x, expected);
30    return x != expected;
31}
32
33int main()
34{
35//     if (test__negvdi2(0x8000000000000000LL))  // should abort
36//         return 1;
37    if (test__negvdi2(0x0000000000000000LL))
38        return 1;
39    if (test__negvdi2(0x0000000000000001LL))
40        return 1;
41    if (test__negvdi2(0x0000000000000002LL))
42        return 1;
43    if (test__negvdi2(0x7FFFFFFFFFFFFFFELL))
44        return 1;
45    if (test__negvdi2(0x7FFFFFFFFFFFFFFFLL))
46        return 1;
47    if (test__negvdi2(0x8000000000000001LL))
48        return 1;
49    if (test__negvdi2(0x8000000000000002LL))
50        return 1;
51    if (test__negvdi2(0xFFFFFFFFFFFFFFFELL))
52        return 1;
53    if (test__negvdi2(0xFFFFFFFFFFFFFFFFLL))
54        return 1;
55
56    return 0;
57}
58