1 //===-- addvsi3_test.c - Test __addvsi3 -----------------------------------===//
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 __addvsi3 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 si_int __addvsi3(si_int a, si_int b);
22
test__addvsi3(si_int a,si_int b)23 int test__addvsi3(si_int a, si_int b)
24 {
25 si_int x = __addvsi3(a, b);
26 si_int expected = a + b;
27 if (x != expected)
28 printf("error in test__addvsi3(0x%X, 0x%X) = %d, expected %d\n",
29 a, b, x, expected);
30 return x != expected;
31 }
32
main()33 int main()
34 {
35 // test__addvsi3(0x80000000, -1); // should abort
36 // test__addvsi3(-1, 0x80000000); // should abort
37 // test__addvsi3(1, 0x7FFFFFFF); // should abort
38 // test__addvsi3(0x7FFFFFFF, 1); // should abort
39
40 if (test__addvsi3(0x80000000, 1))
41 return 1;
42 if (test__addvsi3(1, 0x80000000))
43 return 1;
44 if (test__addvsi3(0x80000000, 0))
45 return 1;
46 if (test__addvsi3(0, 0x80000000))
47 return 1;
48 if (test__addvsi3(0x7FFFFFFF, -1))
49 return 1;
50 if (test__addvsi3(-1, 0x7FFFFFFF))
51 return 1;
52 if (test__addvsi3(0x7FFFFFFF, 0))
53 return 1;
54 if (test__addvsi3(0, 0x7FFFFFFF))
55 return 1;
56
57 return 0;
58 }
59