1 // RUN: %clang_builtins %s %librt -o %t && %run %t 2 // REQUIRES: librt_has_negvdi2 3 4 #include "int_lib.h" 5 #include <stdio.h> 6 7 // Returns: -a 8 9 // Effects: aborts if -a overflows 10 11 COMPILER_RT_ABI di_int __negvdi2(di_int a); 12 test__negvdi2(di_int a)13int test__negvdi2(di_int a) 14 { 15 di_int x = __negvdi2(a); 16 di_int expected = -a; 17 if (x != expected) 18 printf("error in __negvdi2(0x%llX) = %lld, expected %lld\n", 19 a, x, expected); 20 return x != expected; 21 } 22 main()23int main() 24 { 25 // if (test__negvdi2(0x8000000000000000LL)) // should abort 26 // return 1; 27 if (test__negvdi2(0x0000000000000000LL)) 28 return 1; 29 if (test__negvdi2(0x0000000000000001LL)) 30 return 1; 31 if (test__negvdi2(0x0000000000000002LL)) 32 return 1; 33 if (test__negvdi2(0x7FFFFFFFFFFFFFFELL)) 34 return 1; 35 if (test__negvdi2(0x7FFFFFFFFFFFFFFFLL)) 36 return 1; 37 if (test__negvdi2(0x8000000000000001LL)) 38 return 1; 39 if (test__negvdi2(0x8000000000000002LL)) 40 return 1; 41 if (test__negvdi2(0xFFFFFFFFFFFFFFFELL)) 42 return 1; 43 if (test__negvdi2(0xFFFFFFFFFFFFFFFFLL)) 44 return 1; 45 46 return 0; 47 } 48