--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/optimize/VN_Long01.java 2017-02-15 17:04:20.230629609 -0800 @@ -0,0 +1,150 @@ +/* + * 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 value numbering of long operations. + */ +public class VN_Long01 extends JTTTest { + + public static long test(int arg) { + if (arg == 0) { + return add(arg); + } + if (arg == 1) { + return sub(arg); + } + if (arg == 2) { + return mul(arg); + } + if (arg == 3) { + return div(arg); + } + if (arg == 4) { + return mod(arg); + } + if (arg == 5) { + return and(arg); + } + if (arg == 6) { + return or(arg); + } + if (arg == 7) { + return xor(arg); + } + return 0; + } + + public static long add(long x) { + long t = x + 3; + long u = x + 3; + return t + u; + } + + public static long sub(long x) { + long t = x - 3; + long u = x - 3; + return t - u; + } + + public static long mul(long x) { + long t = x * 3; + long u = x * 3; + return t * u; + } + + public static long div(long x) { + long t = 9 / x; + long u = 9 / x; + return t / u; + } + + public static long mod(long x) { + long t = 7 % x; + long u = 7 % x; + return t % u; + } + + public static long and(long x) { + long t = 7 & x; + long u = 7 & x; + return t & u; + } + + public static long or(long x) { + long t = 7 | x; + long u = 7 | x; + return t | u; + } + + public static long xor(long x) { + long t = 7 ^ x; + long u = 7 ^ x; + return t ^ u; + } + + @Test + public void run0() throws Throwable { + runTest("test", 0); + } + + @Test + public void run1() throws Throwable { + runTest("test", 1); + } + + @Test + public void run2() throws Throwable { + runTest("test", 2); + } + + @Test + public void run3() throws Throwable { + runTest("test", 3); + } + + @Test + public void run4() throws Throwable { + runTest("test", 4); + } + + @Test + public void run5() throws Throwable { + runTest("test", 5); + } + + @Test + public void run6() throws Throwable { + runTest("test", 6); + } + + @Test + public void run7() throws Throwable { + runTest("test", 7); + } + +}