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