1*b9829059Sjoerg //===-- absvdi2_test.c - Test __absvdi2 -----------------------------------===// 2*b9829059Sjoerg // 3*b9829059Sjoerg // The LLVM Compiler Infrastructure 4*b9829059Sjoerg // 5*b9829059Sjoerg // This file is dual licensed under the MIT and the University of Illinois Open 6*b9829059Sjoerg // Source Licenses. See LICENSE.TXT for details. 7*b9829059Sjoerg // 8*b9829059Sjoerg //===----------------------------------------------------------------------===// 9*b9829059Sjoerg // 10*b9829059Sjoerg // This file tests __absvdi2 for the compiler_rt library. 11*b9829059Sjoerg // 12*b9829059Sjoerg //===----------------------------------------------------------------------===// 13*b9829059Sjoerg 14*b9829059Sjoerg #include "int_lib.h" 15*b9829059Sjoerg #include <stdio.h> 16*b9829059Sjoerg #include <stdlib.h> 17*b9829059Sjoerg 18*b9829059Sjoerg // Returns: absolute value 19*b9829059Sjoerg 20*b9829059Sjoerg // Effects: aborts if abs(x) < 0 21*b9829059Sjoerg 22*b9829059Sjoerg di_int __absvdi2(di_int a); 23*b9829059Sjoerg test__absvdi2(di_int a)24*b9829059Sjoergint test__absvdi2(di_int a) 25*b9829059Sjoerg { 26*b9829059Sjoerg di_int x = __absvdi2(a); 27*b9829059Sjoerg di_int expected = a; 28*b9829059Sjoerg if (expected < 0) 29*b9829059Sjoerg expected = -expected; 30*b9829059Sjoerg if (x != expected || expected < 0) 31*b9829059Sjoerg printf("error in __absvdi2(0x%llX) = %lld, expected positive %lld\n", 32*b9829059Sjoerg a, x, expected); 33*b9829059Sjoerg return x != expected; 34*b9829059Sjoerg } 35*b9829059Sjoerg main()36*b9829059Sjoergint main() 37*b9829059Sjoerg { 38*b9829059Sjoerg // if (test__absvdi2(0x8000000000000000LL)) // should abort 39*b9829059Sjoerg // return 1; 40*b9829059Sjoerg if (test__absvdi2(0x0000000000000000LL)) 41*b9829059Sjoerg return 1; 42*b9829059Sjoerg if (test__absvdi2(0x0000000000000001LL)) 43*b9829059Sjoerg return 1; 44*b9829059Sjoerg if (test__absvdi2(0x0000000000000002LL)) 45*b9829059Sjoerg return 1; 46*b9829059Sjoerg if (test__absvdi2(0x7FFFFFFFFFFFFFFELL)) 47*b9829059Sjoerg return 1; 48*b9829059Sjoerg if (test__absvdi2(0x7FFFFFFFFFFFFFFFLL)) 49*b9829059Sjoerg return 1; 50*b9829059Sjoerg if (test__absvdi2(0x8000000000000001LL)) 51*b9829059Sjoerg return 1; 52*b9829059Sjoerg if (test__absvdi2(0x8000000000000002LL)) 53*b9829059Sjoerg return 1; 54*b9829059Sjoerg if (test__absvdi2(0xFFFFFFFFFFFFFFFELL)) 55*b9829059Sjoerg return 1; 56*b9829059Sjoerg if (test__absvdi2(0xFFFFFFFFFFFFFFFFLL)) 57*b9829059Sjoerg return 1; 58*b9829059Sjoerg 59*b9829059Sjoerg int i; 60*b9829059Sjoerg for (i = 0; i < 10000; ++i) 61*b9829059Sjoerg if (test__absvdi2(((di_int)rand() << 32) | rand())) 62*b9829059Sjoerg return 1; 63*b9829059Sjoerg 64*b9829059Sjoerg return 0; 65*b9829059Sjoerg } 66