Mercurial > hg > graal-jvmci-8
view test/compiler/jsr292/PollutedTrapCounts.java @ 23176:a5ec7bfa41af
Merge
author | kevinw |
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date | Sat, 04 Jul 2015 15:32:44 +0100 |
parents | bf41eee321e5 |
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/* * Copyright (c) 2015, 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 8074551 * @library /testlibrary * @run main PollutedTrapCounts */ import java.lang.invoke.*; import com.oracle.java.testlibrary.*; public class PollutedTrapCounts { public static void main(String[] args) throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+IgnoreUnrecognizedVMOptions", "-XX:-TieredCompilation", "-Xbatch", "-XX:PerBytecodeRecompilationCutoff=10", "-XX:PerMethodRecompilationCutoff=10", "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining", "PollutedTrapCounts$Test"); OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); analyzer.shouldHaveExitValue(0); analyzer.shouldNotContain("not compilable (disabled)"); } static class Test { public static final MethodHandle test1; public static final MethodHandle test2; public static final MethodHandle empty; static { try { Class<?> THIS_CLASS = Test.class; MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); test1 = LOOKUP.findStatic(THIS_CLASS, "test1", MethodType.methodType(boolean.class, boolean.class)); test2 = LOOKUP.findStatic(THIS_CLASS, "test2", MethodType.methodType(boolean.class, boolean.class)); empty = LOOKUP.findStatic(THIS_CLASS, "empty", MethodType.methodType(void.class, boolean.class)); } catch(Throwable e) { throw new Error(e); } } static boolean test1(boolean b) { return b; } static boolean test2(boolean b) { return true; } static void empty(boolean b) {} static void test(boolean freqValue, boolean removeInlineBlocker) throws Throwable { MethodHandle innerGWT = MethodHandles.guardWithTest(test1, empty, empty); MethodHandle outerGWT = MethodHandles.guardWithTest(test2, innerGWT, innerGWT); // Trigger compilation for (int i = 0; i < 20_000; i++) { outerGWT.invokeExact(freqValue); } // Trigger deopt & nmethod invalidation outerGWT.invokeExact(!freqValue); // Force inline blocker removal on rare-taken path if (removeInlineBlocker) { for (int i = 0; i < 100; i++) { outerGWT.invokeExact(!freqValue); } } // Trigger recompilation for (int i = 0; i < 20_000; i++) { outerGWT.invokeExact(freqValue); } } public static void main(String[] args) throws Throwable { boolean freqValue = true; boolean removeInlineBlocker = false; for (int i = 0; i < 20; i++) { test(freqValue, removeInlineBlocker); freqValue = !freqValue; removeInlineBlocker = !removeInlineBlocker; } } } }