1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
//===-- absvti2_test.c - Test __absvti2 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __absvti2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
#include <stdio.h>
#include <stdlib.h>
// Returns: absolute value
// Effects: aborts if abs(x) < 0
ti_int __absvti2(ti_int a);
int test__absvti2(ti_int a)
{
ti_int x = __absvti2(a);
ti_int expected = a;
if (expected < 0)
expected = -expected;
if (x != expected || expected < 0)
{
twords at;
at.all = a;
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __absvti2(0x%llX%.16llX) = "
"0x%llX%.16llX, expected positive 0x%llX%.16llX\n",
at.s.high, at.s.low, xt.s.high, xt.s.low,
expectedt.s.high, expectedt.s.low);
}
return x != expected;
}
#endif
int main()
{
#if __x86_64
// if (test__absvti2(make_ti(0x8000000000000000LL, 0))) // should abort
// return 1;
if (test__absvti2(0x0000000000000000LL))
return 1;
if (test__absvti2(0x0000000000000001LL))
return 1;
if (test__absvti2(0x0000000000000002LL))
return 1;
if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL)))
return 1;
if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
return 1;
if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000002LL)))
return 1;
if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL)))
return 1;
if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
int i;
for (i = 0; i < 10000; ++i)
if (test__absvti2(make_ti(((ti_int)rand() << 32) | rand(),
((ti_int)rand() << 32) | rand())))
return 1;
#endif
return 0;
}
|
