// RUN: %clang_builtins %s %librt -o %t && %run %t //===-- addvsi3_test.c - Test __addvsi3 -----------------------------------===// // // 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 __addvsi3 for the compiler_rt library. // //===----------------------------------------------------------------------===// #include "int_lib.h" #include // Returns: a + b // Effects: aborts if a + b overflows COMPILER_RT_ABI si_int __addvsi3(si_int a, si_int b); int test__addvsi3(si_int a, si_int b) { si_int x = __addvsi3(a, b); si_int expected = a + b; if (x != expected) printf("error in test__addvsi3(0x%X, 0x%X) = %d, expected %d\n", a, b, x, expected); return x != expected; } int main() { // test__addvsi3(0x80000000, -1); // should abort // test__addvsi3(-1, 0x80000000); // should abort // test__addvsi3(1, 0x7FFFFFFF); // should abort // test__addvsi3(0x7FFFFFFF, 1); // should abort if (test__addvsi3(0x80000000, 1)) return 1; if (test__addvsi3(1, 0x80000000)) return 1; if (test__addvsi3(0x80000000, 0)) return 1; if (test__addvsi3(0, 0x80000000)) return 1; if (test__addvsi3(0x7FFFFFFF, -1)) return 1; if (test__addvsi3(-1, 0x7FFFFFFF)) return 1; if (test__addvsi3(0x7FFFFFFF, 0)) return 1; if (test__addvsi3(0, 0x7FFFFFFF)) return 1; return 0; }