forked from OSchip/llvm-project
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
//===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===//
|
|
//
|
|
// 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 __negvdi2 for the compiler_rt library.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "int_lib.h"
|
|
#include <stdio.h>
|
|
|
|
// Returns: -a
|
|
|
|
// Effects: aborts if -a overflows
|
|
|
|
di_int __negvdi2(di_int a);
|
|
|
|
int test__negvdi2(di_int a)
|
|
{
|
|
di_int x = __negvdi2(a);
|
|
di_int expected = -a;
|
|
if (x != expected)
|
|
printf("error in __negvdi2(0x%llX) = %lld, expected %lld\n",
|
|
a, x, expected);
|
|
return x != expected;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
// if (test__negvdi2(0x8000000000000000LL)) // should abort
|
|
// return 1;
|
|
if (test__negvdi2(0x0000000000000000LL))
|
|
return 1;
|
|
if (test__negvdi2(0x0000000000000001LL))
|
|
return 1;
|
|
if (test__negvdi2(0x0000000000000002LL))
|
|
return 1;
|
|
if (test__negvdi2(0x7FFFFFFFFFFFFFFELL))
|
|
return 1;
|
|
if (test__negvdi2(0x7FFFFFFFFFFFFFFFLL))
|
|
return 1;
|
|
if (test__negvdi2(0x8000000000000001LL))
|
|
return 1;
|
|
if (test__negvdi2(0x8000000000000002LL))
|
|
return 1;
|
|
if (test__negvdi2(0xFFFFFFFFFFFFFFFELL))
|
|
return 1;
|
|
if (test__negvdi2(0xFFFFFFFFFFFFFFFFLL))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|