1//===-- absvsi2_test.c - Test __absvsi2 -----------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file tests __absvsi2 for the compiler_rt library. 11// 12//===----------------------------------------------------------------------===// 13 14#include "int_lib.h" 15#include <stdio.h> 16#include <stdlib.h> 17 18// Returns: absolute value 19 20// Effects: aborts if abs(x) < 0 21 22si_int __absvsi2(si_int a); 23 24int test__absvsi2(si_int a) 25{ 26 si_int x = __absvsi2(a); 27 si_int expected = a; 28 if (expected < 0) 29 expected = -expected; 30 if (x != expected || expected < 0) 31 printf("error in __absvsi2(0x%X) = %d, expected positive %d\n", 32 a, x, expected); 33 return x != expected; 34} 35 36int main() 37{ 38// if (test__absvsi2(0x80000000)) // should abort 39// return 1; 40 if (test__absvsi2(0x00000000)) 41 return 1; 42 if (test__absvsi2(0x00000001)) 43 return 1; 44 if (test__absvsi2(0x00000002)) 45 return 1; 46 if (test__absvsi2(0x7FFFFFFE)) 47 return 1; 48 if (test__absvsi2(0x7FFFFFFF)) 49 return 1; 50 if (test__absvsi2(0x80000001)) 51 return 1; 52 if (test__absvsi2(0x80000002)) 53 return 1; 54 if (test__absvsi2(0xFFFFFFFE)) 55 return 1; 56 if (test__absvsi2(0xFFFFFFFF)) 57 return 1; 58 59 int i; 60 for (i = 0; i < 10000; ++i) 61 if (test__absvsi2(rand())) 62 return 1; 63 64 return 0; 65} 66