1//===-- addvdi3_test.c - Test __addvdi3 -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __addvdi3 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: a + b
18
19// Effects: aborts if a + b overflows
20
21di_int __addvdi3(di_int a, di_int b);
22
23int test__addvdi3(di_int a, di_int b)
24{
25    di_int x = __addvdi3(a, b);
26    di_int expected = a + b;
27    if (x != expected)
28        printf("error in test__addvdi3(0x%llX, 0x%llX) = %lld, expected %lld\n",
29                a, b, x, expected);
30    return x != expected;
31}
32
33int main()
34{
35//     test__addvdi3(0x8000000000000000LL, -1);  // should abort
36//     test__addvdi3(-1, 0x8000000000000000LL);  // should abort
37//     test__addvdi3(1, 0x7FFFFFFFFFFFFFFFLL);  // should abort
38//     test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 1);  // should abort
39
40    if (test__addvdi3(0x8000000000000000LL, 1))
41        return 1;
42    if (test__addvdi3(1, 0x8000000000000000LL))
43        return 1;
44    if (test__addvdi3(0x8000000000000000LL, 0))
45        return 1;
46    if (test__addvdi3(0, 0x8000000000000000LL))
47        return 1;
48    if (test__addvdi3(0x7FFFFFFFFFFFFFFLL, -1))
49        return 1;
50    if (test__addvdi3(-1, 0x7FFFFFFFFFFFFFFLL))
51        return 1;
52    if (test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 0))
53        return 1;
54    if (test__addvdi3(0, 0x7FFFFFFFFFFFFFFFLL))
55        return 1;
56
57    return 0;
58}
59