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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_negvdi2
//===-- negvdi2_test.c - Test __negvdi2 -----------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests __negvdi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: -a
// Effects: aborts if -a overflows
COMPILER_RT_ABI 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;
}
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