| /* |
| * Copyright (c) 2014, 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 8055153 |
| * @summary missing control on LoadRange and LoadKlass when array copy macro node is expanded |
| * |
| * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation |
| * compiler.arraycopy.TestMissingControl |
| * |
| */ |
| |
| package compiler.arraycopy; |
| |
| public class TestMissingControl { |
| |
| static int[] m1(int[] a2) { |
| int[] a1 = new int[10]; |
| System.arraycopy(a1, 0, a2, 0, 10); |
| return a1; |
| } |
| |
| static class A { |
| } |
| |
| static Object m2(Object[] a2) { |
| A[] a1 = new A[10]; |
| System.arraycopy(a1, 0, a2, 0, 10); |
| return a1; |
| } |
| |
| static void test1() { |
| int[] a2 = new int[10]; |
| int[] a3 = new int[5]; |
| |
| // compile m1 with arraycopy intrinsified |
| for (int i = 0; i < 20000; i++) { |
| m1(a2); |
| } |
| |
| // make m1 trap |
| for (int i = 0; i < 10; i++) { |
| try { |
| m1(a3); |
| } catch(IndexOutOfBoundsException ioobe) { |
| } |
| } |
| |
| // recompile m1 |
| for (int i = 0; i < 20000; i++) { |
| m1(a2); |
| } |
| |
| try { |
| m1(null); |
| } catch(NullPointerException npe) {} |
| } |
| |
| static void test2() { |
| A[] a2 = new A[10]; |
| A[] a3 = new A[5]; |
| |
| // compile m2 with arraycopy intrinsified |
| for (int i = 0; i < 20000; i++) { |
| m2(a2); |
| } |
| |
| // make m2 trap |
| for (int i = 0; i < 10; i++) { |
| try { |
| m2(a3); |
| } catch(IndexOutOfBoundsException ioobe) { |
| } |
| } |
| |
| // recompile m2 |
| for (int i = 0; i < 20000; i++) { |
| m2(a2); |
| } |
| |
| try { |
| m2(null); |
| } catch(NullPointerException npe) {} |
| } |
| |
| static public void main(String[] args) { |
| test1(); |
| test2(); |
| } |
| } |