1 // RUN: %clang_builtins %s %librt -o %t && %run %t 2 // REQUIRES: librt_has_divdi3 3 4 #include "int_lib.h" 5 #include <stdio.h> 6 7 // Returns: a / b 8 9 COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b); 10 11 int test__divdi3(di_int a, di_int b, di_int expected) 12 { 13 di_int x = __divdi3(a, b); 14 if (x != expected) 15 printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n", 16 a, b, x, expected); 17 return x != expected; 18 } 19 20 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; 21 22 int main() 23 { 24 if (test__divdi3(0, 1, 0)) 25 return 1; 26 if (test__divdi3(0, -1, 0)) 27 return 1; 28 29 if (test__divdi3(2, 1, 2)) 30 return 1; 31 if (test__divdi3(2, -1, -2)) 32 return 1; 33 if (test__divdi3(-2, 1, -2)) 34 return 1; 35 if (test__divdi3(-2, -1, 2)) 36 return 1; 37 38 if (test__divdi3(0x8000000000000000LL, 1, 0x8000000000000000LL)) 39 return 1; 40 if (test__divdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) 41 return 1; 42 if (test__divdi3(0x8000000000000000LL, -2, 0x4000000000000000LL)) 43 return 1; 44 if (test__divdi3(0x8000000000000000LL, 2, 0xC000000000000000LL)) 45 return 1; 46 47 return 0; 48 } 49