1 //===-- umoddi3_test.c - Test __umoddi3 -----------------------------------===//
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 __umoddi3 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "int_lib.h"
15 #include <stdio.h>
16 
17 // Returns: a % b
18 
19 du_int __umoddi3(du_int a, du_int b);
20 
test__umoddi3(du_int a,du_int b,du_int expected_r)21 int test__umoddi3(du_int a, du_int b, du_int expected_r)
22 {
23     du_int r = __umoddi3(a, b);
24     if (r != expected_r)
25         printf("error in __umoddi3: %lld %% %lld = %lld, expected %lld\n",
26                a, b, r, expected_r);
27     return r != expected_r;
28 }
29 
main()30 int main()
31 {
32     if (test__umoddi3(0, 1, 0))
33         return 1;
34     if (test__umoddi3(2, 1, 0))
35         return 1;
36     if (test__umoddi3(0x8000000000000000uLL, 1, 0x0uLL))
37         return 1;
38     if (test__umoddi3(0x8000000000000000uLL, 2, 0x0uLL))
39         return 1;
40     if (test__umoddi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x1uLL))
41         return 1;
42 
43     return 0;
44 }
45