1 //===-- udivdi3_test.c - Test __udivdi3 -----------------------------------===// 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 __udivdi3 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 __udivdi3(du_int a, du_int b); 20 21 int test__udivdi3(du_int a, du_int b, du_int expected_q) 22 { 23 du_int q = __udivdi3(a, b); 24 if (q != expected_q) 25 printf("error in __udivdi3: %lld / %lld = %lld, expected %lld\n", 26 a, b, q, expected_q); 27 return q != expected_q; 28 } 29 30 int main() 31 { 32 if (test__udivdi3(0, 1, 0)) 33 return 1; 34 if (test__udivdi3(2, 1, 2)) 35 return 1; 36 if (test__udivdi3(0x8000000000000000uLL, 1, 0x8000000000000000uLL)) 37 return 1; 38 if (test__udivdi3(0x8000000000000000uLL, 2, 0x4000000000000000uLL)) 39 return 1; 40 if (test__udivdi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x7FFFFFFFFFFFFFFFuLL)) 41 return 1; 42 43 return 0; 44 } 45
