1 //===-- addvsi3_test.c - Test __addvsi3 -----------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file tests __addvsi3 for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "int_lib.h" 15 #include <stdio.h> 16 17 // Returns: a + b 18 19 // Effects: aborts if a + b overflows 20 21 si_int __addvsi3(si_int a, si_int b); 22 23 int test__addvsi3(si_int a, si_int b) 24 { 25 si_int x = __addvsi3(a, b); 26 si_int expected = a + b; 27 if (x != expected) 28 printf("error in test__addvsi3(0x%X, 0x%X) = %d, expected %d\n", 29 a, b, x, expected); 30 return x != expected; 31 } 32 33 int main() 34 { 35 // test__addvsi3(0x80000000, -1); // should abort 36 // test__addvsi3(-1, 0x80000000); // should abort 37 // test__addvsi3(1, 0x7FFFFFFF); // should abort 38 // test__addvsi3(0x7FFFFFFF, 1); // should abort 39 40 if (test__addvsi3(0x80000000, 1)) 41 return 1; 42 if (test__addvsi3(1, 0x80000000)) 43 return 1; 44 if (test__addvsi3(0x80000000, 0)) 45 return 1; 46 if (test__addvsi3(0, 0x80000000)) 47 return 1; 48 if (test__addvsi3(0x7FFFFFFF, -1)) 49 return 1; 50 if (test__addvsi3(-1, 0x7FFFFFFF)) 51 return 1; 52 if (test__addvsi3(0x7FFFFFFF, 0)) 53 return 1; 54 if (test__addvsi3(0, 0x7FFFFFFF)) 55 return 1; 56 57 return 0; 58 } 59