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Daniel Dunbarfd089992009-06-26 16:47:03 +00001//===-- absvsi2_test.c - Test __absvsi2 -----------------------------------===//
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 __absvsi2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
Shantonu Sen14675922009-10-28 15:46:10 +000016#include <stdlib.h>
Daniel Dunbarfd089992009-06-26 16:47:03 +000017
18// Returns: absolute value
19
20// Effects: aborts if abs(x) < 0
21
22si_int __absvsi2(si_int a);
23
24int test__absvsi2(si_int a)
25{
26 si_int x = __absvsi2(a);
27 si_int expected = a;
28 if (expected < 0)
29 expected = -expected;
30 if (x != expected || expected < 0)
31 printf("error in __absvsi2(0x%X) = %d, expected positive %d\n",
32 a, x, expected);
33 return x != expected;
34}
35
36int main()
37{
38// if (test__absvsi2(0x80000000)) // should abort
39// return 1;
40 if (test__absvsi2(0x00000000))
41 return 1;
42 if (test__absvsi2(0x00000001))
43 return 1;
44 if (test__absvsi2(0x00000002))
45 return 1;
46 if (test__absvsi2(0x7FFFFFFE))
47 return 1;
48 if (test__absvsi2(0x7FFFFFFF))
49 return 1;
50 if (test__absvsi2(0x80000001))
51 return 1;
52 if (test__absvsi2(0x80000002))
53 return 1;
54 if (test__absvsi2(0xFFFFFFFE))
55 return 1;
56 if (test__absvsi2(0xFFFFFFFF))
57 return 1;
58
59 int i;
60 for (i = 0; i < 10000; ++i)
61 if (test__absvsi2(rand()))
62 return 1;
63
64 return 0;
65}