1 //===-- divdi3_test.c - Test __divdi3 -------------------------------------===// 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 __divdi3 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 di_int __divdi3(di_int a, di_int b); 20 21 int test__divdi3(di_int a, di_int b, di_int expected) 22 { 23 di_int x = __divdi3(a, b); 24 if (x != expected) 25 printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n", 26 a, b, x, expected); 27 return x != expected; 28 } 29 30 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; 31 32 int main() 33 { 34 if (test__divdi3(0, 1, 0)) 35 return 1; 36 if (test__divdi3(0, -1, 0)) 37 return 1; 38 39 if (test__divdi3(2, 1, 2)) 40 return 1; 41 if (test__divdi3(2, -1, -2)) 42 return 1; 43 if (test__divdi3(-2, 1, -2)) 44 return 1; 45 if (test__divdi3(-2, -1, 2)) 46 return 1; 47 48 if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL)) 49 return 1; 50 if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) 51 return 1; 52 if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL)) 53 return 1; 54 if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL)) 55 return 1; 56 57 return 0; 58 } 59
