1 /* 2 * Copyright (c) 2009, 2012, 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.optimize; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 * Tests constant folding of integer operations. 31 */ 32 public class Fold_Convert01 extends JTTTest { 33 34 public static int test(int arg) { 35 if (arg == 0) { 36 return i2b(); 37 } 38 if (arg == 1) { 39 return i2s(); 40 } 41 if (arg == 2) { 42 return i2c(); 43 } 44 return 0; 45 } 46 47 public static int i2b() { 48 int x = 0x00000080; 49 return (byte) x; 50 } 51 52 public static int i2s() { 53 int x = 0x00008000; 54 return (short) x; 55 } 56 57 public static int i2c() { 58 int x = 0xffffffff; 59 return (char) x; 60 } 61 62 @Test 63 public void run0() throws Throwable { 64 runTest("test", 0); 65 } 66 67 @Test 68 public void run1() throws Throwable { 69 runTest("test", 1); 70 } 71 72 @Test 73 public void run2() throws Throwable { 74 runTest("test", 2); 75 } 76 77 }