1 /* 2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.jtt.micro; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 public class ConstantLoadTest extends JTTTest { 30 31 private static final class MyClass { 32 public long a; 33 public long b; 34 35 MyClass(long a, long b) { 36 this.a = a; 37 this.b = b; 38 } 39 } 40 41 private static final MyClass myClass = new MyClass(Long.MIN_VALUE, Long.MAX_VALUE); 42 private static final long myLong = Long.MAX_VALUE; 43 44 public static long test(int arg) { 45 if (arg == 0) { 46 return myClass.a / arg + myLong; 47 } 48 if (arg == 1) { 49 return myClass.b - arg + myLong; 50 } 51 long r = 1; 52 for (int i = 0; i < arg; i++) { 53 r *= i; 54 } 55 return r; 56 } 57 58 @Test 59 public void run0() throws Throwable { 60 runTest("test", 0); 61 } 62 63 @Test 64 public void run1() throws Throwable { 65 runTest("test", -1); 66 } 67 68 @Test 69 public void run2() throws Throwable { 70 runTest("test", 1); 71 } 72 73 @Test 74 public void run3() throws Throwable { 75 runTest("test", 2); 76 } 77 78 }