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| // RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_negdi2
//===-- negdi2_test.c - Test __negdi2 -------------------------------------===//
//
// 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 __negdi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: -a
COMPILER_RT_ABI di_int __negdi2(di_int a);
int test__negdi2(di_int a, di_int expected)
{
di_int x = __negdi2(a);
if (x != expected)
printf("error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n",
a, x, expected);
return x != expected;
}
char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
int main()
{
if (test__negdi2(0, 0))
return 1;
if (test__negdi2(1, -1))
return 1;
if (test__negdi2(-1, 1))
return 1;
if (test__negdi2(2, -2))
return 1;
if (test__negdi2(-2, 2))
return 1;
if (test__negdi2(3, -3))
return 1;
if (test__negdi2(-3, 3))
return 1;
if (test__negdi2(0x00000000FFFFFFFELL, 0xFFFFFFFF00000002LL))
return 1;
if (test__negdi2(0xFFFFFFFF00000002LL, 0x00000000FFFFFFFELL))
return 1;
if (test__negdi2(0x00000000FFFFFFFFLL, 0xFFFFFFFF00000001LL))
return 1;
if (test__negdi2(0xFFFFFFFF00000001LL, 0x00000000FFFFFFFFLL))
return 1;
if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
return 1;
if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
return 1;
if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
return 1;
if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
return 1;
if (test__negdi2(0x0000000300000000LL, 0xFFFFFFFD00000000LL))
return 1;
if (test__negdi2(0xFFFFFFFD00000000LL, 0x0000000300000000LL))
return 1;
if (test__negdi2(0x8000000000000000LL, 0x8000000000000000LL))
return 1;
if (test__negdi2(0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__negdi2(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
return 1;
if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
return 1;
if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
return 1;
if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
return 1;
if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
return 1;
return 0;
}
|