Mercurial > hg > truffle
view test/compiler/whitebox/IsMethodCompilableTest.java @ 15611:9129a2237dd8
clean up frame states during FrameStateAssignmentPhase
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Tue, 13 May 2014 16:16:05 +0200 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
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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 8006683 8007288 8022832 * @library /testlibrary /testlibrary/whitebox * @build IsMethodCompilableTest * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm/timeout=2400 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,TestCase$Helper::* IsMethodCompilableTest * @summary testing of WB::isMethodCompilable() * @author igor.ignatyev@oracle.com */ public class IsMethodCompilableTest extends CompilerWhiteBoxTest { /** * Value of {@code -XX:PerMethodRecompilationCutoff} */ 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 { for (TestCase test : TestCase.values()) { new IsMethodCompilableTest(test).runTest(); } } public IsMethodCompilableTest(TestCase testCase) { super(testCase); // to prevent inlining of #method WHITE_BOX.testSetDontInlineMethod(method, true); } /** * Tests {@code WB::isMethodCompilable()} by recompilation of tested method * 'PerMethodRecompilationCutoff' times and checks compilation status. Also * checks that WB::clearMethodState() clears no-compilable flags. * * @throws Exception if one of the checks fails. */ @Override protected void test() throws Exception { if (testCase.isOsr && CompilerWhiteBoxTest.MODE.startsWith( "compiled ")) { System.err.printf("Warning: %s is not applicable in %s%n", testCase.name(), CompilerWhiteBoxTest.MODE); return; } if (!isCompilable()) { 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; } // deoptimize 'PerMethodRecompilationCutoff' times and clear state for (long i = 0L, n = PER_METHOD_RECOMPILATION_CUTOFF - 1; i < n; ++i) { compileAndDeoptimize(); } if (!testCase.isOsr && !isCompilable()) { // in osr test case count of deopt maybe more than iterations throw new RuntimeException(method + " is not compilable after " + (PER_METHOD_RECOMPILATION_CUTOFF - 1) + " iterations"); } WHITE_BOX.clearMethodState(method); // deoptimize 'PerMethodRecompilationCutoff' + 1 times long i; for (i = 0L; i < PER_METHOD_RECOMPILATION_CUTOFF && isCompilable(); ++i) { compileAndDeoptimize(); } if (!testCase.isOsr && i != PER_METHOD_RECOMPILATION_CUTOFF) { // in osr test case count of deopt maybe more than iterations throw new RuntimeException(method + " is not compilable after " + i + " iterations, but must only after " + PER_METHOD_RECOMPILATION_CUTOFF); } if (isCompilable()) { throw new RuntimeException(method + " is still compilable after " + PER_METHOD_RECOMPILATION_CUTOFF + " iterations"); } compile(); checkNotCompiled(); // WB.clearMethodState() must reset no-compilable flags WHITE_BOX.clearMethodState(method); if (!isCompilable()) { throw new RuntimeException(method + " is not compilable after clearMethodState()"); } compile(); checkCompiled(); } private void compileAndDeoptimize() throws Exception { compile(); waitBackgroundCompilation(); deoptimize(); } }