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| // RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_divdi3
//===-- divdi3_test.c - Test __divdi3 -------------------------------------===//
//
// 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 __divdi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a / b
COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);
int test__divdi3(di_int a, di_int b, di_int expected)
{
di_int x = __divdi3(a, b);
if (x != expected)
printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n",
a, b, x, expected);
return x != expected;
}
char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
int main()
{
if (test__divdi3(0, 1, 0))
return 1;
if (test__divdi3(0, -1, 0))
return 1;
if (test__divdi3(2, 1, 2))
return 1;
if (test__divdi3(2, -1, -2))
return 1;
if (test__divdi3(-2, 1, -2))
return 1;
if (test__divdi3(-2, -1, 2))
return 1;
if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
return 1;
if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL))
return 1;
if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL))
return 1;
if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL))
return 1;
return 0;
}
|