49 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_addvdi33 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: a + b8 9// Effects: aborts if a + b overflows10 11COMPILER_RT_ABI di_int __addvdi3(di_int a, di_int b);12 13int test__addvdi3(di_int a, di_int b)14{15 di_int x = __addvdi3(a, b);16 di_int expected = a + b;17 if (x != expected)18 printf("error in test__addvdi3(0x%llX, 0x%llX) = %lld, expected %lld\n",19 a, b, x, expected);20 return x != expected;21}22 23int main()24{25// test__addvdi3(0x8000000000000000LL, -1); // should abort26// test__addvdi3(-1, 0x8000000000000000LL); // should abort27// test__addvdi3(1, 0x7FFFFFFFFFFFFFFFLL); // should abort28// test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 1); // should abort29 30 if (test__addvdi3(0x8000000000000000LL, 1))31 return 1;32 if (test__addvdi3(1, 0x8000000000000000LL))33 return 1;34 if (test__addvdi3(0x8000000000000000LL, 0))35 return 1;36 if (test__addvdi3(0, 0x8000000000000000LL))37 return 1;38 if (test__addvdi3(0x7FFFFFFFFFFFFFFLL, -1))39 return 1;40 if (test__addvdi3(-1, 0x7FFFFFFFFFFFFFFLL))41 return 1;42 if (test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 0))43 return 1;44 if (test__addvdi3(0, 0x7FFFFFFFFFFFFFFFLL))45 return 1;46 47 return 0;48}49