112 lines
2.9 KiB
Java
112 lines
2.9 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8055153
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* @summary missing control on LoadRange and LoadKlass when array copy macro node is expanded
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation
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* compiler.arraycopy.TestMissingControl
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*
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*/
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package compiler.arraycopy;
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public class TestMissingControl {
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static int[] m1(int[] a2) {
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int[] a1 = new int[10];
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System.arraycopy(a1, 0, a2, 0, 10);
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return a1;
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}
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static class A {
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}
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static Object m2(Object[] a2) {
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A[] a1 = new A[10];
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System.arraycopy(a1, 0, a2, 0, 10);
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return a1;
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}
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static void test1() {
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int[] a2 = new int[10];
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int[] a3 = new int[5];
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// compile m1 with arraycopy intrinsified
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for (int i = 0; i < 20000; i++) {
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m1(a2);
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}
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// make m1 trap
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for (int i = 0; i < 10; i++) {
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try {
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m1(a3);
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} catch(IndexOutOfBoundsException ioobe) {
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}
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}
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// recompile m1
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for (int i = 0; i < 20000; i++) {
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m1(a2);
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}
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try {
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m1(null);
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} catch(NullPointerException npe) {}
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}
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static void test2() {
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A[] a2 = new A[10];
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A[] a3 = new A[5];
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// compile m2 with arraycopy intrinsified
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for (int i = 0; i < 20000; i++) {
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m2(a2);
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}
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// make m2 trap
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for (int i = 0; i < 10; i++) {
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try {
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m2(a3);
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} catch(IndexOutOfBoundsException ioobe) {
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}
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}
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// recompile m2
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for (int i = 0; i < 20000; i++) {
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m2(a2);
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}
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try {
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m2(null);
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} catch(NullPointerException npe) {}
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}
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static public void main(String[] args) {
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test1();
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test2();
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}
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}
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