1// RUN: %clang_builtins %s %librt -o %t && %run %t
2// REQUIRES: librt_has_absvsi2
3
4#include "int_lib.h"
5#include <stdio.h>
6#include <stdlib.h>
7
8// Returns: absolute value
9
10// Effects: aborts if abs(x) < 0
11
12COMPILER_RT_ABI si_int __absvsi2(si_int a);
13
14int test__absvsi2(si_int a)
15{
16 si_int x = __absvsi2(a);
17 si_int expected = a;
18 if (expected < 0)
19 expected = -expected;
20 if (x != expected || expected < 0)
21 printf("error in __absvsi2(0x%X) = %d, expected positive %d\n",
22 a, x, expected);
23 return x != expected;
24}
25
26int main()
27{
28// if (test__absvsi2(0x80000000)) // should abort
29// return 1;
30 if (test__absvsi2(0x00000000))
31 return 1;
32 if (test__absvsi2(0x00000001))
33 return 1;
34 if (test__absvsi2(0x00000002))
35 return 1;
36 if (test__absvsi2(0x7FFFFFFE))
37 return 1;
38 if (test__absvsi2(0x7FFFFFFF))
39 return 1;
40 if (test__absvsi2(0x80000001))
41 return 1;
42 if (test__absvsi2(0x80000002))
43 return 1;
44 if (test__absvsi2(0xFFFFFFFE))
45 return 1;
46 if (test__absvsi2(0xFFFFFFFF))
47 return 1;
48
49 int i;
50 for (i = 0; i < 10000; ++i)
51 if (test__absvsi2(rand()))
52 return 1;
53
54 return 0;
55}
56