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1a4d82fc JJ |
1 | //===-- absvdi2_test.c - Test __absvdi2 -----------------------------------===// |
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 __absvdi2 for the compiler_rt library. | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
14 | #include "int_lib.h" | |
15 | #include <stdio.h> | |
16 | #include <stdlib.h> | |
17 | ||
18 | // Returns: absolute value | |
19 | ||
20 | // Effects: aborts if abs(x) < 0 | |
21 | ||
92a42be0 | 22 | COMPILER_RT_ABI di_int __absvdi2(di_int a); |
1a4d82fc JJ |
23 | |
24 | int test__absvdi2(di_int a) | |
25 | { | |
26 | di_int x = __absvdi2(a); | |
27 | di_int expected = a; | |
28 | if (expected < 0) | |
29 | expected = -expected; | |
30 | if (x != expected || expected < 0) | |
31 | printf("error in __absvdi2(0x%llX) = %lld, expected positive %lld\n", | |
32 | a, x, expected); | |
33 | return x != expected; | |
34 | } | |
35 | ||
36 | int main() | |
37 | { | |
38 | // if (test__absvdi2(0x8000000000000000LL)) // should abort | |
39 | // return 1; | |
40 | if (test__absvdi2(0x0000000000000000LL)) | |
41 | return 1; | |
42 | if (test__absvdi2(0x0000000000000001LL)) | |
43 | return 1; | |
44 | if (test__absvdi2(0x0000000000000002LL)) | |
45 | return 1; | |
46 | if (test__absvdi2(0x7FFFFFFFFFFFFFFELL)) | |
47 | return 1; | |
48 | if (test__absvdi2(0x7FFFFFFFFFFFFFFFLL)) | |
49 | return 1; | |
50 | if (test__absvdi2(0x8000000000000001LL)) | |
51 | return 1; | |
52 | if (test__absvdi2(0x8000000000000002LL)) | |
53 | return 1; | |
54 | if (test__absvdi2(0xFFFFFFFFFFFFFFFELL)) | |
55 | return 1; | |
56 | if (test__absvdi2(0xFFFFFFFFFFFFFFFFLL)) | |
57 | return 1; | |
58 | ||
59 | int i; | |
60 | for (i = 0; i < 10000; ++i) | |
61 | if (test__absvdi2(((di_int)rand() << 32) | rand())) | |
62 | return 1; | |
63 | ||
64 | return 0; | |
65 | } |