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      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