Mercurial > hg > truffle
view test/compiler/whitebox/IsMethodCompilableTest.java @ 8386:a019b27cb9ef
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 19 Mar 2013 20:48:53 +0100 |
parents | 1b0dc9f87e75 |
children | 4efac99a998b |
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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 { 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; } // to prevent inlining #method into #compile() WHITE_BOX.setDontInlineMethod(METHOD, true); boolean madeNotCompilable = false; for (long i = 0; i < PER_METHOD_RECOMPILATION_CUTOFF; ++i) { compile(); waitBackgroundCompilation(METHOD); WHITE_BOX.deoptimizeMethod(METHOD); if (!WHITE_BOX.isMethodCompilable(METHOD)) { madeNotCompilable = true; break; } } if (!madeNotCompilable) { throw new RuntimeException(METHOD + " is still compilable after " + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); } compile(); if (WHITE_BOX.isMethodCompiled(METHOD)) { printInfo(METHOD); throw new RuntimeException( METHOD + " is not compilable but compiled"); } } }