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1 //===-- addvdi3_test.c - Test __addvdi3 -----------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. 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 
21 COMPILER_RT_ABI di_int __addvdi3(di_int a, di_int b);
22 
test__addvdi3(di_int a,di_int b)23 int 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 
main()33 int 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