001/* 002 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. 008 * 009 * This code is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 012 * version 2 for more details (a copy is included in the LICENSE file that 013 * accompanied this code). 014 * 015 * You should have received a copy of the GNU General Public License version 016 * 2 along with this work; if not, write to the Free Software Foundation, 017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 018 * 019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 020 * or visit www.oracle.com if you need additional information or have any 021 * questions. 022 */ 023package com.oracle.graal.jtt.optimize; 024 025import org.junit.*; 026 027import com.oracle.graal.jtt.*; 028 029/* 030 * Tests optimization integer conversions. 031 */ 032public class Reduce_Convert01 extends JTTTest { 033 034 public static int test(int arg) { 035 if (arg == 0) { 036 return i2b(arg + 10); 037 } 038 if (arg == 1) { 039 return i2s(arg + 10); 040 } 041 if (arg == 2) { 042 return i2c(arg + 10); 043 } 044 return 0; 045 } 046 047 public static int i2b(int arg) { 048 int x = (byte) arg; 049 return (byte) x; 050 } 051 052 public static int i2s(int arg) { 053 int x = (short) arg; 054 return (short) x; 055 } 056 057 public static int i2c(int arg) { 058 int x = (char) arg; 059 return (char) x; 060 } 061 062 @Test 063 public void run0() throws Throwable { 064 runTest("test", 0); 065 } 066 067 @Test 068 public void run1() throws Throwable { 069 runTest("test", 1); 070 } 071 072 @Test 073 public void run2() throws Throwable { 074 runTest("test", 2); 075 } 076 077}