Mercurial > hg > truffle
view test/compiler/6636138/Test2.java @ 15312:7f5c9079e24a
Truffle: fixes to the inlining heuristic.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 15 Apr 2014 18:31:23 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
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/* * Copyright (c) 2009, 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. */ /** * @test * @bug 6636138 * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation. * * @run main/othervm -Xbatch -XX:CompileOnly=Test2.shift Test2 */ public class Test2 { public static void init(int src[]) { // Initialize the array for (int i = 0; i < src.length; i++) src[i] = i; } public static void shift(int src[]) { //left-shift the array for (int i = src.length-1; i > 0; i--){ int tmp = src[i]; src[i] = src[i-1]; src[i-1] = tmp; } } public static void verify(int src[]) { for (int i = 0; i < src.length; i++){ int value = (i-1 + src.length)%src.length; // correct value after shifting if (src[i] != value) { System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]); System.exit(97); } } } public static void test() { int[] src = new int[10]; init(src); shift(src); verify(src); } public static void main(String[] args) { for (int i=0; i< 2000; i++) test(); } }