| /* |
| * Copyright (c) 2013, 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.bytecode; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| |
| /* |
| */ |
| public class BC_lshr02 extends JTTTest { |
| |
| public static long test0(long arg) { |
| long a = arg >> 32; |
| return a >> 32; |
| } |
| |
| @Test |
| public void run0a() throws Throwable { |
| runTest("test0", 1L); |
| } |
| |
| @Test |
| public void run0b() throws Throwable { |
| runTest("test0", 0L); |
| } |
| |
| @Test |
| public void run0c() throws Throwable { |
| runTest("test0", -1L); |
| } |
| |
| @Test |
| public void run0d() throws Throwable { |
| runTest("test0", Long.MAX_VALUE); |
| } |
| |
| @Test |
| public void run0e() throws Throwable { |
| runTest("test0", Long.MIN_VALUE); |
| } |
| |
| /* testcase for a postive stamp */ |
| public static int test1(long[] arg) { |
| int a = arg.length >> 16; |
| return a >> 16; |
| } |
| |
| @Test |
| public void run1a() throws Throwable { |
| long[] arg = new long[0x100]; |
| runTest("test1", arg); |
| } |
| |
| /* testcase for a strictly negative stamp */ |
| public static int test2(long[] arg) { |
| int a = (-arg.length - 1) >> 16; |
| return a >> 16; |
| } |
| |
| @Test |
| public void run2a() throws Throwable { |
| long[] arg = new long[0x100]; |
| runTest("test2", arg); |
| } |
| } |