| /* |
| * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.jtt.optimize; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| |
| /* |
| * Tests optimization of integer operations. |
| */ |
| public class Reduce_LongShift01 extends JTTTest { |
| |
| public static long test(long arg) { |
| if (arg == 0) { |
| return shift0(arg + 10); |
| } |
| if (arg == 1) { |
| return shift1(arg + 10); |
| } |
| if (arg == 2) { |
| return shift2(arg + 10); |
| } |
| if (arg == 3) { |
| return shift3(arg + 10); |
| } |
| if (arg == 4) { |
| return shift4(arg + 10); |
| } |
| if (arg == 5) { |
| return shift5(arg + 10); |
| } |
| return 0; |
| } |
| |
| public static long shift0(long x) { |
| return x >> 0; |
| } |
| |
| public static long shift1(long x) { |
| return x >>> 0; |
| } |
| |
| public static long shift2(long x) { |
| return x << 0; |
| } |
| |
| public static long shift3(long x) { |
| return x >> 64; |
| } |
| |
| public static long shift4(long x) { |
| return x >>> 64; |
| } |
| |
| public static long shift5(long x) { |
| return x << 64; |
| } |
| |
| @Test |
| public void run0() throws Throwable { |
| runTest("test", 0L); |
| } |
| |
| @Test |
| public void run1() throws Throwable { |
| runTest("test", 1L); |
| } |
| |
| @Test |
| public void run2() throws Throwable { |
| runTest("test", 2L); |
| } |
| |
| @Test |
| public void run3() throws Throwable { |
| runTest("test", 3L); |
| } |
| |
| @Test |
| public void run4() throws Throwable { |
| runTest("test", 4L); |
| } |
| |
| @Test |
| public void run5() throws Throwable { |
| runTest("test", 5L); |
| } |
| |
| } |