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// RUN: %clang_builtins %s %librt -o %t && %run %t
//===-- divsi3_test.c - Test __divsi3 -------------------------------------===//
//
// 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 __divsi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a / b
COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
int test__divsi3(si_int a, si_int b, si_int expected)
{
si_int x = __divsi3(a, b);
if (x != expected)
printf("error in __divsi3: %d / %d = %d, expected %d\n",
a, b, x, expected);
return x != expected;
}
int main()
{
if (test__divsi3(0, 1, 0))
return 1;
if (test__divsi3(0, -1, 0))
return 1;
if (test__divsi3(2, 1, 2))
return 1;
if (test__divsi3(2, -1, -2))
return 1;
if (test__divsi3(-2, 1, -2))
return 1;
if (test__divsi3(-2, -1, 2))
return 1;
if (test__divsi3(0x80000000, 1, 0x80000000))
return 1;
if (test__divsi3(0x80000000, -1, 0x80000000))
return 1;
if (test__divsi3(0x80000000, -2, 0x40000000))
return 1;
if (test__divsi3(0x80000000, 2, 0xC0000000))
return 1;
return 0;
}
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