mulvdi3_test.c
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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_mulvdi3
//===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===//
//
// 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 __mulvdi3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a * b
// Effects: aborts if a * b overflows
COMPILER_RT_ABI di_int __mulvdi3(di_int a, di_int b);
int test__mulvdi3(di_int a, di_int b, di_int expected)
{
di_int x = __mulvdi3(a, b);
if (x != expected)
printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
a, b, x, expected);
return x != expected;
}
int main()
{
if (test__mulvdi3(0, 0, 0))
return 1;
if (test__mulvdi3(0, 1, 0))
return 1;
if (test__mulvdi3(1, 0, 0))
return 1;
if (test__mulvdi3(0, 10, 0))
return 1;
if (test__mulvdi3(10, 0, 0))
return 1;
if (test__mulvdi3(0, 81985529216486895LL, 0))
return 1;
if (test__mulvdi3(81985529216486895LL, 0, 0))
return 1;
if (test__mulvdi3(0, -1, 0))
return 1;
if (test__mulvdi3(-1, 0, 0))
return 1;
if (test__mulvdi3(0, -10, 0))
return 1;
if (test__mulvdi3(-10, 0, 0))
return 1;
if (test__mulvdi3(0, -81985529216486895LL, 0))
return 1;
if (test__mulvdi3(-81985529216486895LL, 0, 0))
return 1;
if (test__mulvdi3(1, 1, 1))
return 1;
if (test__mulvdi3(1, 10, 10))
return 1;
if (test__mulvdi3(10, 1, 10))
return 1;
if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL))
return 1;
if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL))
return 1;
if (test__mulvdi3(1, -1, -1))
return 1;
if (test__mulvdi3(1, -10, -10))
return 1;
if (test__mulvdi3(-10, 1, -10))
return 1;
if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL))
return 1;
if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL))
return 1;
if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
return 1;
if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
return 1;
if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
return 1;
if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
return 1;
if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
return 1;
// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
// return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL))
return 1;
// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
if (test__mulvdi3(0x8000000000000000LL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x8000000000000000LL, 0))
return 1;
if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
return 1;
if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL))
return 1;
// if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL)) // abort
// return 1;
if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(0x8000000000000001LL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x8000000000000001LL, 0))
return 1;
if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL))
return 1;
// if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL)) // abort
// return 1;
return 0;
}