70f9cfc857
We don't add file headers to tests. The comments are useless as well - their purpose can be easily inferred from the filenames.
47 lines
1021 B
C
47 lines
1021 B
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
|
|
// REQUIRES: librt_has_negvsi2
|
|
|
|
#include "int_lib.h"
|
|
#include <stdio.h>
|
|
|
|
// Returns: -a
|
|
|
|
// Effects: aborts if -a overflows
|
|
|
|
COMPILER_RT_ABI si_int __negvsi2(si_int a);
|
|
|
|
int test__negvsi2(si_int a)
|
|
{
|
|
si_int x = __negvsi2(a);
|
|
si_int expected = -a;
|
|
if (x != expected)
|
|
printf("error in __negvsi2(0x%X) = %d, expected %d\n", a, x, expected);
|
|
return x != expected;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
// if (test__negvsi2(0x80000000)) // should abort
|
|
// return 1;
|
|
if (test__negvsi2(0x00000000))
|
|
return 1;
|
|
if (test__negvsi2(0x00000001))
|
|
return 1;
|
|
if (test__negvsi2(0x00000002))
|
|
return 1;
|
|
if (test__negvsi2(0x7FFFFFFE))
|
|
return 1;
|
|
if (test__negvsi2(0x7FFFFFFF))
|
|
return 1;
|
|
if (test__negvsi2(0x80000001))
|
|
return 1;
|
|
if (test__negvsi2(0x80000002))
|
|
return 1;
|
|
if (test__negvsi2(0xFFFFFFFE))
|
|
return 1;
|
|
if (test__negvsi2(0xFFFFFFFF))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|