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      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 COMPILER_RT_ABI du_int __umoddi3(du_int a, du_int b);
     20 
     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 
     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