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llvm-project/compiler-rt/test/Unit/mulodi4_test.c

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//===-- mulodi4_test.c - Test __mulodi4 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __mulodi4 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
extern di_int __mulodi4(di_int a, di_int b, int* overflow);
int test__mulodi4(di_int a, di_int b, di_int expected, int expected_overflow)
{
int ov;
di_int x = __mulodi4(a, b, &ov);
if (ov != expected_overflow)
printf("error in __mulodi4: overflow=%d expected=%d\n",
ov, expected_overflow);
else if (!expected_overflow && x != expected) {
printf("error in __mulodi4: 0x%llX * 0x%llX = 0x%llX (overflow=%d), "
"expected 0x%llX (overflow=%d)\n",
a, b, x, ov, expected, expected_overflow);
return 1;
}
return 0;
}
int main()
{
if (test__mulodi4(0, 0, 0, 0))
return 1;
if (test__mulodi4(0, 1, 0, 0))
return 1;
if (test__mulodi4(1, 0, 0, 0))
return 1;
if (test__mulodi4(0, 10, 0, 0))
return 1;
if (test__mulodi4(10, 0, 0, 0))
return 1;
if (test__mulodi4(0, 81985529216486895LL, 0, 0))
return 1;
if (test__mulodi4(81985529216486895LL, 0, 0, 0))
return 1;
if (test__mulodi4(0, -1, 0, 0))
return 1;
if (test__mulodi4(-1, 0, 0, 0))
return 1;
if (test__mulodi4(0, -10, 0, 0))
return 1;
if (test__mulodi4(-10, 0, 0, 0))
return 1;
if (test__mulodi4(0, -81985529216486895LL, 0, 0))
return 1;
if (test__mulodi4(-81985529216486895LL, 0, 0, 0))
return 1;
if (test__mulodi4(1, 1, 1, 0))
return 1;
if (test__mulodi4(1, 10, 10, 0))
return 1;
if (test__mulodi4(10, 1, 10, 0))
return 1;
if (test__mulodi4(1, 81985529216486895LL, 81985529216486895LL, 0))
return 1;
if (test__mulodi4(81985529216486895LL, 1, 81985529216486895LL, 0))
return 1;
if (test__mulodi4(1, -1, -1, 0))
return 1;
if (test__mulodi4(1, -10, -10, 0))
return 1;
if (test__mulodi4(-10, 1, -10, 0))
return 1;
if (test__mulodi4(1, -81985529216486895LL, -81985529216486895LL, 0))
return 1;
if (test__mulodi4(-81985529216486895LL, 1, -81985529216486895LL, 0))
return 1;
if (test__mulodi4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0))
return 1;
if (test__mulodi4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0))
return 1;
if (test__mulodi4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0))
return 1;
if (test__mulodi4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0))
return 1;
if (test__mulodi4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0))
return 1;
if (test__mulodi4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0))
return 1;
if (test__mulodi4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0))
return 1;
if (test__mulodi4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0))
return 1;
if (test__mulodi4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0))
return 1;
if (test__mulodi4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0))
return 1;
if (test__mulodi4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0))
return 1;
if (test__mulodi4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0))
return 1;
if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -2, 2, 1))
return 1;
if (test__mulodi4(-2, 0x7FFFFFFFFFFFFFFFLL, 2, 1))
return 1;
if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL, 0))
return 1;
if (test__mulodi4(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 0))
return 1;
if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 0, 0, 0))
return 1;
if (test__mulodi4(0, 0x7FFFFFFFFFFFFFFFLL, 0, 0))
return 1;
if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulodi4(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL, 1))
return 1;
if (test__mulodi4(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 1))
return 1;
if (test__mulodi4(0x8000000000000000LL, -2, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(-2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(0x8000000000000000LL, -1, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(-1, 0x8000000000000000LL, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(0x8000000000000000LL, 0, 0, 0))
return 1;
if (test__mulodi4(0, 0x8000000000000000LL, 0, 0))
return 1;
if (test__mulodi4(0x8000000000000000LL, 1, 0x8000000000000000LL, 0))
return 1;
if (test__mulodi4(1, 0x8000000000000000LL, 0x8000000000000000LL, 0))
return 1;
if (test__mulodi4(0x8000000000000000LL, 2, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(0x8000000000000001LL, -2, 0x8000000000000001LL, 1))
return 1;
if (test__mulodi4(-2, 0x8000000000000001LL, 0x8000000000000001LL, 1))
return 1;
if (test__mulodi4(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulodi4(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulodi4(0x8000000000000001LL, 0, 0, 0))
return 1;
if (test__mulodi4(0, 0x8000000000000001LL, 0, 0))
return 1;
if (test__mulodi4(0x8000000000000001LL, 1, 0x8000000000000001LL, 0))
return 1;
if (test__mulodi4(1, 0x8000000000000001LL, 0x8000000000000001LL, 0))
return 1;
if (test__mulodi4(0x8000000000000001LL, 2, 0x8000000000000000LL, 1))
return 1;
if (test__mulodi4(2, 0x8000000000000001LL, 0x8000000000000000LL, 1))
return 1;
return 0;
}
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