86 lines
3.3 KiB
Java
86 lines
3.3 KiB
Java
/*
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* Copyright (c) 2013, 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 IsMethodCompilableTest
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* @bug 8007270
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* @library /testlibrary /testlibrary/whitebox
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* @build IsMethodCompilableTest
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IsMethodCompilableTest
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* @author igor.ignatyev@oracle.com
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*/
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public class IsMethodCompilableTest extends CompilerWhiteBoxTest {
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protected static final long PER_METHOD_RECOMPILATION_CUTOFF;
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static {
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long tmp = Long.parseLong(
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getVMOption("PerMethodRecompilationCutoff", "400"));
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if (tmp == -1) {
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PER_METHOD_RECOMPILATION_CUTOFF = -1 /* Inf */;
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} else {
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PER_METHOD_RECOMPILATION_CUTOFF = 1 + (0xFFFFFFFFL & tmp);
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}
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}
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public static void main(String[] args) throws Exception {
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// to prevent inlining #method into #compile()
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WHITE_BOX.setDontInlineMethod(METHOD, true);
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new IsMethodCompilableTest().runTest();
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}
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protected void test() throws Exception {
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if (!WHITE_BOX.isMethodCompilable(METHOD)) {
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throw new RuntimeException(METHOD + " must be compilable");
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}
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System.out.println("PerMethodRecompilationCutoff = "
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+ PER_METHOD_RECOMPILATION_CUTOFF);
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if (PER_METHOD_RECOMPILATION_CUTOFF == -1) {
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System.err.println(
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"Warning: test is not applicable if PerMethodRecompilationCutoff == Inf");
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return;
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}
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boolean madeNotCompilable = false;
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for (long i = 0; i < PER_METHOD_RECOMPILATION_CUTOFF; ++i) {
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compile();
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waitBackgroundCompilation(METHOD);
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WHITE_BOX.deoptimizeMethod(METHOD);
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if (!WHITE_BOX.isMethodCompilable(METHOD)) {
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madeNotCompilable = true;
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break;
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}
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}
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if (!madeNotCompilable) {
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throw new RuntimeException(METHOD + " is still compilable after "
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+ PER_METHOD_RECOMPILATION_CUTOFF + " iterations");
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}
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compile();
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if (WHITE_BOX.isMethodCompiled(METHOD)) {
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printInfo(METHOD);
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throw new RuntimeException(
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METHOD + " is not compilable but compiled");
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}
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}
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}
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