1 //===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===//
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 __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 
21 di_int __negvdi2(di_int a);
22 
test__negvdi2(di_int a)23 int 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 
main()33 int 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