70f9cfc857
We don't add file headers to tests. The comments are useless as well - their purpose can be easily inferred from the filenames.
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
|
|
// REQUIRES: librt_has_absvsi2
|
|
|
|
#include "int_lib.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
// Returns: absolute value
|
|
|
|
// Effects: aborts if abs(x) < 0
|
|
|
|
COMPILER_RT_ABI si_int __absvsi2(si_int a);
|
|
|
|
int test__absvsi2(si_int a)
|
|
{
|
|
si_int x = __absvsi2(a);
|
|
si_int expected = a;
|
|
if (expected < 0)
|
|
expected = -expected;
|
|
if (x != expected || expected < 0)
|
|
printf("error in __absvsi2(0x%X) = %d, expected positive %d\n",
|
|
a, x, expected);
|
|
return x != expected;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
// if (test__absvsi2(0x80000000)) // should abort
|
|
// return 1;
|
|
if (test__absvsi2(0x00000000))
|
|
return 1;
|
|
if (test__absvsi2(0x00000001))
|
|
return 1;
|
|
if (test__absvsi2(0x00000002))
|
|
return 1;
|
|
if (test__absvsi2(0x7FFFFFFE))
|
|
return 1;
|
|
if (test__absvsi2(0x7FFFFFFF))
|
|
return 1;
|
|
if (test__absvsi2(0x80000001))
|
|
return 1;
|
|
if (test__absvsi2(0x80000002))
|
|
return 1;
|
|
if (test__absvsi2(0xFFFFFFFE))
|
|
return 1;
|
|
if (test__absvsi2(0xFFFFFFFF))
|
|
return 1;
|
|
|
|
int i;
|
|
for (i = 0; i < 10000; ++i)
|
|
if (test__absvsi2(rand()))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|