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      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