//===-- addvdi3_test.c - Test __addvdi3 -----------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file tests __addvdi3 for the compiler_rt library. // //===----------------------------------------------------------------------===// #include "int_lib.h" #include <stdio.h> // Returns: a + b // Effects: aborts if a + b overflows COMPILER_RT_ABI di_int __addvdi3(di_int a, di_int b); int test__addvdi3(di_int a, di_int b) { di_int x = __addvdi3(a, b); di_int expected = a + b; if (x != expected) printf("error in test__addvdi3(0x%llX, 0x%llX) = %lld, expected %lld\n", a, b, x, expected); return x != expected; } int main() { // test__addvdi3(0x8000000000000000LL, -1); // should abort // test__addvdi3(-1, 0x8000000000000000LL); // should abort // test__addvdi3(1, 0x7FFFFFFFFFFFFFFFLL); // should abort // test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 1); // should abort if (test__addvdi3(0x8000000000000000LL, 1)) return 1; if (test__addvdi3(1, 0x8000000000000000LL)) return 1; if (test__addvdi3(0x8000000000000000LL, 0)) return 1; if (test__addvdi3(0, 0x8000000000000000LL)) return 1; if (test__addvdi3(0x7FFFFFFFFFFFFFFLL, -1)) return 1; if (test__addvdi3(-1, 0x7FFFFFFFFFFFFFFLL)) return 1; if (test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 0)) return 1; if (test__addvdi3(0, 0x7FFFFFFFFFFFFFFFLL)) return 1; return 0; } |