49 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_addvsi33 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: a + b8 9// Effects: aborts if a + b overflows10 11COMPILER_RT_ABI si_int __addvsi3(si_int a, si_int b);12 13int test__addvsi3(si_int a, si_int b)14{15 si_int x = __addvsi3(a, b);16 si_int expected = a + b;17 if (x != expected)18 printf("error in test__addvsi3(0x%X, 0x%X) = %d, expected %d\n",19 a, b, x, expected);20 return x != expected;21}22 23int main()24{25// test__addvsi3(0x80000000, -1); // should abort26// test__addvsi3(-1, 0x80000000); // should abort27// test__addvsi3(1, 0x7FFFFFFF); // should abort28// test__addvsi3(0x7FFFFFFF, 1); // should abort29 30 if (test__addvsi3(0x80000000, 1))31 return 1;32 if (test__addvsi3(1, 0x80000000))33 return 1;34 if (test__addvsi3(0x80000000, 0))35 return 1;36 if (test__addvsi3(0, 0x80000000))37 return 1;38 if (test__addvsi3(0x7FFFFFFF, -1))39 return 1;40 if (test__addvsi3(-1, 0x7FFFFFFF))41 return 1;42 if (test__addvsi3(0x7FFFFFFF, 0))43 return 1;44 if (test__addvsi3(0, 0x7FFFFFFF))45 return 1;46 47 return 0;48}49