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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_negvsi2
//===-- negvsi2_test.c - Test __negvsi2 -----------------------------------===//
//
// 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 __negvsi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#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;
}
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