121 lines
4.3 KiB
Java
121 lines
4.3 KiB
Java
/*
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* Copyright (c) 2015, 2023, 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 8074551
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*
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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*
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* @run driver compiler.jsr292.PollutedTrapCounts
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*/
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package compiler.jsr292;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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public class PollutedTrapCounts {
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public static void main(String[] args) throws Exception {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-XX:+IgnoreUnrecognizedVMOptions",
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"-XX:-TieredCompilation", "-Xbatch",
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"-XX:PerBytecodeRecompilationCutoff=10", "-XX:PerMethodRecompilationCutoff=10",
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"-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
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Test.class.getName());
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OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
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analyzer.shouldHaveExitValue(0);
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analyzer.shouldNotContain("not compilable (disabled)");
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}
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static class Test {
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public static final MethodHandle test1;
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public static final MethodHandle test2;
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public static final MethodHandle empty;
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static {
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try {
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Class<?> THIS_CLASS = Test.class;
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MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
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test1 = LOOKUP.findStatic(THIS_CLASS, "test1", MethodType.methodType(boolean.class, boolean.class));
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test2 = LOOKUP.findStatic(THIS_CLASS, "test2", MethodType.methodType(boolean.class, boolean.class));
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empty = LOOKUP.findStatic(THIS_CLASS, "empty", MethodType.methodType(void.class, boolean.class));
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} catch(Throwable e) {
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throw new Error(e);
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}
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}
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static boolean test1(boolean b) {
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return b;
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}
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static boolean test2(boolean b) {
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return true;
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}
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static void empty(boolean b) {}
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static void test(boolean freqValue, boolean removeInlineBlocker) throws Throwable {
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MethodHandle innerGWT = MethodHandles.guardWithTest(test1, empty, empty);
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MethodHandle outerGWT = MethodHandles.guardWithTest(test2, innerGWT, innerGWT);
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// Trigger compilation
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for (int i = 0; i < 20_000; i++) {
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outerGWT.invokeExact(freqValue);
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}
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// Trigger deopt & nmethod invalidation
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outerGWT.invokeExact(!freqValue);
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// Force inline blocker removal on rare-taken path
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if (removeInlineBlocker) {
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for (int i = 0; i < 100; i++) {
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outerGWT.invokeExact(!freqValue);
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}
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}
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// Trigger recompilation
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for (int i = 0; i < 20_000; i++) {
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outerGWT.invokeExact(freqValue);
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}
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}
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public static void main(String[] args) throws Throwable {
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boolean freqValue = true;
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boolean removeInlineBlocker = false;
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for (int i = 0; i < 20; i++) {
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test(freqValue, removeInlineBlocker);
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freqValue = !freqValue;
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removeInlineBlocker = !removeInlineBlocker;
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}
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}
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}
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}
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