244 lines
9.1 KiB
Java
244 lines
9.1 KiB
Java
/*
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* Copyright (c) 2013, 2023, 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 MakeMethodNotCompilableTest
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* @bug 8012322 8006683 8007288 8022832
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* @summary testing of WB::makeMethodNotCompilable()
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @requires vm.opt.DeoptimizeALot != true
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*
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -Xmixed
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* compiler.whitebox.MakeMethodNotCompilableTest
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*/
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package compiler.whitebox;
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public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest {
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private int bci;
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public static void main(String[] args) throws Exception {
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String directive =
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"[{ match:\"*SimpleTestCaseHelper.*\", BackgroundCompilation: false }, " +
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" { match:\"*.*\", inline:\"-*SimpleTestCaseHelper.*\"}]";
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if (WHITE_BOX.addCompilerDirective(directive) != 2) {
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throw new RuntimeException("Could not add directive");
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}
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try {
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CompilerWhiteBoxTest.main(MakeMethodNotCompilableTest::new, args);
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} finally {
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WHITE_BOX.removeCompilerDirective(2);
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}
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}
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private MakeMethodNotCompilableTest(TestCase testCase) {
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super(testCase);
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// to prevent inlining of #method
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WHITE_BOX.testSetDontInlineMethod(method, true);
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}
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/**
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* Tests {@code WB::makeMethodNotCompilable()} by calling it before
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* compilation and checking that method isn't compiled. Also
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* checks that WB::clearMethodState() clears no-compilable flags. For
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* tiered, additional checks for all available levels are conducted.
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*
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* @throws Exception if one of the checks fails.
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*/
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@Override
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protected void test() throws Exception {
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if (skipXcompOSR()) {
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return;
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}
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checkNotCompiled();
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if (!isCompilable()) {
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throw new RuntimeException(method + " must be compilable");
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}
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bci = getBci();
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if (TIERED_COMPILATION) {
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final int tierLimit = TIERED_STOP_AT_LEVEL + 1;
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for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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testTier(testedTier);
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}
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for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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makeNotCompilable(testedTier);
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if (isCompilable(testedTier)) {
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throw new RuntimeException(method
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+ " must be not compilable at level" + testedTier);
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}
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WHITE_BOX.enqueueMethodForCompilation(method, testedTier, bci);
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checkNotCompiled();
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if (!isCompilable()) {
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System.out.println(method
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+ " is not compilable after level " + testedTier);
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}
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}
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} else {
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compile();
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checkCompiled();
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int compLevel = getCompLevel();
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deoptimize();
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makeNotCompilable(compLevel);
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if (isCompilable(COMP_LEVEL_ANY)) {
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throw new RuntimeException(method
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+ " must be not compilable at CompLevel::CompLevel_any,"
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+ " after it is not compilable at " + compLevel);
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}
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WHITE_BOX.clearMethodState(method);
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if (!isCompilable()) {
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throw new RuntimeException(method
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+ " is not compilable after clearMethodState()");
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}
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// nocompilable at opposite level must make no sense
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int oppositeLevel;
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if (isC1Compile(compLevel)) {
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oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION;
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} else {
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oppositeLevel = COMP_LEVEL_SIMPLE;
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}
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makeNotCompilable(oppositeLevel);
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if (!isCompilable(COMP_LEVEL_ANY)) {
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throw new RuntimeException(method
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+ " must be compilable at CompLevel::CompLevel_any,"
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+ " even it is not compilable at opposite level ["
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+ compLevel + "]");
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}
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if (!isCompilable(compLevel)) {
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throw new RuntimeException(method
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+ " must be compilable at level " + compLevel
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+ ", even it is not compilable at opposite level ["
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+ compLevel + "]");
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}
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}
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// clearing after tiered/non-tiered tests
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// WB.clearMethodState() must reset no-compilable flags
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WHITE_BOX.clearMethodState(method);
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if (!isCompilable()) {
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throw new RuntimeException(method
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+ " is not compilable after clearMethodState()");
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}
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// Make method not (OSR-)compilable (depending on testCase.isOsr())
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makeNotCompilable();
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if (isCompilable()) {
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throw new RuntimeException(method + " must be not compilable");
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}
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// Try to (OSR-)compile method
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compile();
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// Method should not be (OSR-)compiled
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checkNotCompiled(testCase.isOsr());
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if (isCompilable()) {
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throw new RuntimeException(method + " must be not compilable");
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}
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// WB.clearMethodState() must reset no-compilable flags
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WHITE_BOX.clearMethodState(method);
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if (!isCompilable()) {
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throw new RuntimeException(method
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+ " is not compilable after clearMethodState()");
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}
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compile();
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checkCompiled();
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}
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// separately tests each tier
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private void testTier(int testedTier) {
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if (!isCompilable(testedTier)) {
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throw new RuntimeException(method
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+ " is not compilable on start");
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}
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makeNotCompilable(testedTier);
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// tests for all other tiers
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for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1;
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anotherTier < tierLimit; ++anotherTier) {
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boolean isCompilable = isCompilable(anotherTier);
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if (sameCompile(testedTier, anotherTier)) {
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if (isCompilable) {
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throw new RuntimeException(method
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+ " must be not compilable at level " + anotherTier
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+ ", if it is not compilable at " + testedTier);
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}
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WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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checkNotCompiled();
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} else {
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if (!isCompilable) {
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throw new RuntimeException(method
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+ " must be compilable at level " + anotherTier
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+ ", even if it is not compilable at "
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+ testedTier);
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}
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WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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checkCompiled();
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deoptimize();
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}
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if (!isCompilable(COMP_LEVEL_ANY) && TIERED_STOP_AT_LEVEL == COMP_LEVEL_FULL_OPTIMIZATION) {
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throw new RuntimeException(method
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+ " must be compilable at 'CompLevel::CompLevel_any'"
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+ ", if it is not compilable only at " + testedTier);
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}
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}
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// clear state after test
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WHITE_BOX.clearMethodState(method);
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if (!isCompilable(testedTier)) {
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throw new RuntimeException(method
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+ " is not compilable after clearMethodState()");
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}
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}
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private boolean sameCompile(int level1, int level2) {
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if (level1 == level2) {
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return true;
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}
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if (isC1Compile(level1) && isC1Compile(level2)) {
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return true;
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}
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if (isC2Compile(level1) && isC2Compile(level2)) {
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return true;
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}
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return false;
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}
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private int getBci() throws Exception {
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compile();
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checkCompiled();
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int result = WHITE_BOX.getMethodEntryBci(method);
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deoptimize();
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WHITE_BOX.clearMethodState(method);
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return result;
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}
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}
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