1//===-- negvsi2_test.c - Test __negvsi2 -----------------------------------===//
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 __negvsi2 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
21si_int __negvsi2(si_int a);
22
23int test__negvsi2(si_int a)
24{
25    si_int x = __negvsi2(a);
26    si_int expected = -a;
27    if (x != expected)
28        printf("error in __negvsi2(0x%X) = %d, expected %d\n", a, x, expected);
29    return x != expected;
30}
31
32int main()
33{
34//     if (test__negvsi2(0x80000000))  // should abort
35//         return 1;
36    if (test__negvsi2(0x00000000))
37        return 1;
38    if (test__negvsi2(0x00000001))
39        return 1;
40    if (test__negvsi2(0x00000002))
41        return 1;
42    if (test__negvsi2(0x7FFFFFFE))
43        return 1;
44    if (test__negvsi2(0x7FFFFFFF))
45        return 1;
46    if (test__negvsi2(0x80000001))
47        return 1;
48    if (test__negvsi2(0x80000002))
49        return 1;
50    if (test__negvsi2(0xFFFFFFFE))
51        return 1;
52    if (test__negvsi2(0xFFFFFFFF))
53        return 1;
54
55    return 0;
56}
57