1//===-- absvti2_test.c - Test __absvti2 -----------------------------------===// 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 __absvti2 for the compiler_rt library. 11// 12//===----------------------------------------------------------------------===// 13 14#include "int_lib.h" 15#include <stdio.h> 16#include <stdlib.h> 17 18#ifdef CRT_HAS_128BIT 19 20// Returns: absolute value 21 22// Effects: aborts if abs(x) < 0 23 24COMPILER_RT_ABI ti_int __absvti2(ti_int a); 25 26int test__absvti2(ti_int a) 27{ 28 ti_int x = __absvti2(a); 29 ti_int expected = a; 30 if (expected < 0) 31 expected = -expected; 32 if (x != expected || expected < 0) 33 { 34 twords at; 35 at.all = a; 36 twords xt; 37 xt.all = x; 38 twords expectedt; 39 expectedt.all = expected; 40 printf("error in __absvti2(0x%llX%.16llX) = " 41 "0x%llX%.16llX, expected positive 0x%llX%.16llX\n", 42 at.s.high, at.s.low, xt.s.high, xt.s.low, 43 expectedt.s.high, expectedt.s.low); 44 } 45 return x != expected; 46} 47 48#endif 49 50int main() 51{ 52#ifdef CRT_HAS_128BIT 53 54// if (test__absvti2(make_ti(0x8000000000000000LL, 0))) // should abort 55// return 1; 56 if (test__absvti2(0x0000000000000000LL)) 57 return 1; 58 if (test__absvti2(0x0000000000000001LL)) 59 return 1; 60 if (test__absvti2(0x0000000000000002LL)) 61 return 1; 62 if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL))) 63 return 1; 64 if (test__absvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 65 return 1; 66 if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL))) 67 return 1; 68 if (test__absvti2(make_ti(0x8000000000000000LL, 0x0000000000000002LL))) 69 return 1; 70 if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL))) 71 return 1; 72 if (test__absvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 73 return 1; 74 75 int i; 76 for (i = 0; i < 10000; ++i) 77 if (test__absvti2(make_ti(((ti_int)rand() << 32) | rand(), 78 ((ti_int)rand() << 32) | rand()))) 79 return 1; 80#else 81 printf("skipped\n"); 82#endif 83 return 0; 84} 85