1 //===-- addvdi3_test.c - Test __addvdi3 -----------------------------------===// 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 __addvdi3 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 di_int __addvdi3(di_int a, di_int b); 22 23 int test__addvdi3(di_int a, di_int b) 24 { 25 di_int x = __addvdi3(a, b); 26 di_int expected = a + b; 27 if (x != expected) 28 printf("error in test__addvdi3(0x%llX, 0x%llX) = %lld, expected %lld\n", 29 a, b, x, expected); 30 return x != expected; 31 } 32 33 int main() 34 { 35 // test__addvdi3(0x8000000000000000LL, -1); // should abort 36 // test__addvdi3(-1, 0x8000000000000000LL); // should abort 37 // test__addvdi3(1, 0x7FFFFFFFFFFFFFFFLL); // should abort 38 // test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 1); // should abort 39 40 if (test__addvdi3(0x8000000000000000LL, 1)) 41 return 1; 42 if (test__addvdi3(1, 0x8000000000000000LL)) 43 return 1; 44 if (test__addvdi3(0x8000000000000000LL, 0)) 45 return 1; 46 if (test__addvdi3(0, 0x8000000000000000LL)) 47 return 1; 48 if (test__addvdi3(0x7FFFFFFFFFFFFFFLL, -1)) 49 return 1; 50 if (test__addvdi3(-1, 0x7FFFFFFFFFFFFFFLL)) 51 return 1; 52 if (test__addvdi3(0x7FFFFFFFFFFFFFFFLL, 0)) 53 return 1; 54 if (test__addvdi3(0, 0x7FFFFFFFFFFFFFFFLL)) 55 return 1; 56 57 return 0; 58 } 59
