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2c00a5a8 | 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
1a4d82fc JJ |
2 | //===-- subvsi3_test.c - Test __subvsi3 -----------------------------------===// |
3 | // | |
4 | // The LLVM Compiler Infrastructure | |
5 | // | |
6 | // This file is dual licensed under the MIT and the University of Illinois Open | |
7 | // Source Licenses. See LICENSE.TXT for details. | |
8 | // | |
9 | //===----------------------------------------------------------------------===// | |
10 | // | |
11 | // This file tests __subvsi3 for the compiler_rt library. | |
12 | // | |
13 | //===----------------------------------------------------------------------===// | |
14 | ||
15 | #include "int_lib.h" | |
16 | #include <stdio.h> | |
17 | #include <stdlib.h> | |
18 | ||
19 | // Returns: a - b | |
20 | ||
21 | // Effects: aborts if a - b overflows | |
22 | ||
92a42be0 | 23 | COMPILER_RT_ABI si_int __subvsi3(si_int a, si_int b); |
1a4d82fc JJ |
24 | |
25 | int test__subvsi3(si_int a, si_int b) | |
26 | { | |
27 | si_int x = __subvsi3(a, b); | |
28 | si_int expected = a - b; | |
29 | if (x != expected) | |
30 | printf("error in test__subvsi3(0x%X, 0x%X) = %d, expected %d\n", | |
31 | a, b, x, expected); | |
32 | return x != expected; | |
33 | } | |
34 | ||
35 | int main() | |
36 | { | |
37 | // test__subvsi3(0x80000000, 1); // should abort | |
38 | // test__subvsi3(0, 0x80000000); // should abort | |
39 | // test__subvsi3(1, 0x80000000); // should abort | |
40 | // test__subvsi3(0x7FFFFFFF, -1); // should abort | |
41 | // test__subvsi3(-2, 0x7FFFFFFF); // should abort | |
42 | ||
43 | if (test__subvsi3(0x80000000, -1)) | |
44 | return 1; | |
45 | if (test__subvsi3(0x80000000, 0)) | |
46 | return 1; | |
47 | if (test__subvsi3(-1, 0x80000000)) | |
48 | return 1; | |
49 | if (test__subvsi3(0x7FFFFFFF, 1)) | |
50 | return 1; | |
51 | if (test__subvsi3(0x7FFFFFFF, 0)) | |
52 | return 1; | |
53 | if (test__subvsi3(1, 0x7FFFFFFF)) | |
54 | return 1; | |
55 | if (test__subvsi3(0, 0x7FFFFFFF)) | |
56 | return 1; | |
57 | if (test__subvsi3(-1, 0x7FFFFFFF)) | |
58 | return 1; | |
59 | ||
60 | return 0; | |
61 | } |