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1 //===-- divsi3_test.c - Test __divsi3 -------------------------------------===//
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 __divsi3 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "int_lib.h"
15 #include <stdio.h>
16 
17 // Returns: a / b
18 
19 COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
20 
test__divsi3(si_int a,si_int b,si_int expected)21 int test__divsi3(si_int a, si_int b, si_int expected)
22 {
23     si_int x = __divsi3(a, b);
24     if (x != expected)
25         printf("error in __divsi3: %d / %d = %d, expected %d\n",
26                a, b, x, expected);
27     return x != expected;
28 }
29 
main()30 int main()
31 {
32     if (test__divsi3(0, 1, 0))
33         return 1;
34     if (test__divsi3(0, -1, 0))
35         return 1;
36 
37     if (test__divsi3(2, 1, 2))
38         return 1;
39     if (test__divsi3(2, -1, -2))
40         return 1;
41     if (test__divsi3(-2, 1, -2))
42         return 1;
43     if (test__divsi3(-2, -1, 2))
44         return 1;
45 
46     if (test__divsi3(0x80000000, 1, 0x80000000))
47         return 1;
48     if (test__divsi3(0x80000000, -1, 0x80000000))
49         return 1;
50     if (test__divsi3(0x80000000, -2, 0x40000000))
51         return 1;
52     if (test__divsi3(0x80000000, 2, 0xC0000000))
53         return 1;
54 
55     return 0;
56 }
57