Mercurial > hg > graal-jvmci-8
view test/compiler/whitebox/IsMethodCompilableTest.java @ 10068:529570e20aff
Ignore workingsets.xml
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 17 Jun 2013 14:53:37 +0200 |
parents | b84fd7d73702 |
children | 4b2eebe03f93 |
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/* * Copyright (c) 2013, 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 IsMethodCompilableTest * @bug 8007270 * @library /testlibrary /testlibrary/whitebox * @build IsMethodCompilableTest * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest * @author igor.ignatyev@oracle.com */ public class IsMethodCompilableTest extends CompilerWhiteBoxTest { protected static final long PER_METHOD_RECOMPILATION_CUTOFF; static { long tmp = Long.parseLong( getVMOption("PerMethodRecompilationCutoff", "400")); if (tmp == -1) { PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */; } else { PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp); } } public static void main(String[] args) throws Exception { // to prevent inlining #method into #compile() WHITE_BOX.testSetDontInlineMethod(METHOD, true); new IsMethodCompilableTest().runTest(); } protected void test() throws Exception { if (!WHITE_BOX.isMethodCompilable(METHOD)) { throw new RuntimeException(METHOD + " must be compilable"); } System.out.println("PerMethodRecompilationCutoff = " + PER_METHOD_RECOMPILATION_CUTOFF); if (PER_METHOD_RECOMPILATION_CUTOFF == -1) { System.err.println( "Warning: test is not applicable if PerMethodRecompilationCutoff == Inf"); return; } // deoptimze 'PerMethodRecompilationCutoff' times and clear state for (long i = 0L, n = PER_METHOD_RECOMPILATION_CUTOFF - 1; i < n; ++i) { compileAndDeoptimaze(); } if (!WHITE_BOX.isMethodCompilable(METHOD)) { throw new RuntimeException(METHOD + " is not compilable after " + (PER_METHOD_RECOMPILATION_CUTOFF - 1) + " iterations"); } WHITE_BOX.clearMethodState(METHOD); // deoptimze 'PerMethodRecompilationCutoff' + 1 times long i; for (i = 0L; i < PER_METHOD_RECOMPILATION_CUTOFF && WHITE_BOX.isMethodCompilable(METHOD); ++i) { compileAndDeoptimaze(); } if (i != PER_METHOD_RECOMPILATION_CUTOFF) { throw new RuntimeException(METHOD + " is not compilable after " + i + " iterations, but must only after " + PER_METHOD_RECOMPILATION_CUTOFF); } if (WHITE_BOX.isMethodCompilable(METHOD)) { throw new RuntimeException(METHOD + " is still compilable after " + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); } compile(); checkNotCompiled(METHOD); WHITE_BOX.clearMethodState(METHOD); if (!WHITE_BOX.isMethodCompilable(METHOD)) { throw new RuntimeException(METHOD + " is compilable after clearMethodState()"); } compile(); checkCompiled(METHOD); } private void compileAndDeoptimaze() throws Exception { compile(); waitBackgroundCompilation(METHOD); WHITE_BOX.deoptimizeMethod(METHOD); } }