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2c00a5a8 | 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
1a4d82fc JJ |
2 | //===-- negvsi2_test.c - Test __negvsi2 -----------------------------------===// |
3 | // | |
4 | // The LLVM Compiler Infrastructure | |
5 | // | |
6 | // This file is dual licensed under the MIT and the University of Illinois Open | |
7 | // Source Licenses. See LICENSE.TXT for details. | |
8 | // | |
9 | //===----------------------------------------------------------------------===// | |
10 | // | |
11 | // This file tests __negvsi2 for the compiler_rt library. | |
12 | // | |
13 | //===----------------------------------------------------------------------===// | |
14 | ||
15 | #include "int_lib.h" | |
16 | #include <stdio.h> | |
17 | ||
18 | // Returns: -a | |
19 | ||
20 | // Effects: aborts if -a overflows | |
21 | ||
92a42be0 | 22 | COMPILER_RT_ABI si_int __negvsi2(si_int a); |
1a4d82fc JJ |
23 | |
24 | int test__negvsi2(si_int a) | |
25 | { | |
26 | si_int x = __negvsi2(a); | |
27 | si_int expected = -a; | |
28 | if (x != expected) | |
29 | printf("error in __negvsi2(0x%X) = %d, expected %d\n", a, x, expected); | |
30 | return x != expected; | |
31 | } | |
32 | ||
33 | int main() | |
34 | { | |
35 | // if (test__negvsi2(0x80000000)) // should abort | |
36 | // return 1; | |
37 | if (test__negvsi2(0x00000000)) | |
38 | return 1; | |
39 | if (test__negvsi2(0x00000001)) | |
40 | return 1; | |
41 | if (test__negvsi2(0x00000002)) | |
42 | return 1; | |
43 | if (test__negvsi2(0x7FFFFFFE)) | |
44 | return 1; | |
45 | if (test__negvsi2(0x7FFFFFFF)) | |
46 | return 1; | |
47 | if (test__negvsi2(0x80000001)) | |
48 | return 1; | |
49 | if (test__negvsi2(0x80000002)) | |
50 | return 1; | |
51 | if (test__negvsi2(0xFFFFFFFE)) | |
52 | return 1; | |
53 | if (test__negvsi2(0xFFFFFFFF)) | |
54 | return 1; | |
55 | ||
56 | return 0; | |
57 | } |