48 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_negvdi23 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: -a8 9// Effects: aborts if -a overflows10 11COMPILER_RT_ABI di_int __negvdi2(di_int a);12 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 23int main()24{25// if (test__negvdi2(0x8000000000000000LL)) // should abort26// 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