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81 lines
3.1 KiB
Java
81 lines
3.1 KiB
Java
/*
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* Copyright (c) 2026 IBM Corporation. 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 8350330
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* @summary C2: PhaseIdealLoop::add_parse_predicate() should mirror GraphKit::add_parse_predicate()
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* @requires vm.flagless
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* @library /test/lib /
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:-BackgroundCompilation -XX:-ShortRunningLongLoop -XX:-UseOnStackReplacement
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* -XX:CompileOnly=*TestLoopNestTooManyTraps::test1 -XX:LoopMaxUnroll=0
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* compiler.longcountedloops.TestLoopNestTooManyTraps
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*/
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package compiler.longcountedloops;
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import java.lang.reflect.Method;
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import java.util.Objects;
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import jdk.test.whitebox.WhiteBox;
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public class TestLoopNestTooManyTraps {
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private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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public static void main(String[] args) throws NoSuchMethodException {
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Method methodTest1 = TestLoopNestTooManyTraps.class.getDeclaredMethod("test1", int.class, long.class);
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for (int j = 0; j < 10; j++) {
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System.out.println("iteration " + j);
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for (int i = 0; i < 20_000; i++) {
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test1(1000, 1000);
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}
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if (!WHITE_BOX.isMethodCompiled(methodTest1)) {
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throw new RuntimeException("test1 should be compiled");
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}
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System.out.println("iteration 2 " + j);
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try {
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test1(10000, 1000);
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} catch (IndexOutOfBoundsException ioobe) {
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}
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if (j <= 1) {
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if (WHITE_BOX.isMethodCompiled(methodTest1)) {
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throw new RuntimeException("test1 should have deoptimized at iteration " + j);
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}
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} else {
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if (!WHITE_BOX.isMethodCompiled(methodTest1)) {
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throw new RuntimeException("test1 shouldn't have deoptimized");
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}
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}
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}
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}
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private static void test1(int stop, long length) {
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for (int i = 0; i < stop; i++) {
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Objects.checkIndex(i, length);
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}
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}
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}
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