| /* |
| * Copyright (c) 2013, 2014, 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 MakeMethodNotCompilableTest |
| * @bug 8012322 8006683 8007288 8022832 |
| * @library /testlibrary /testlibrary/whitebox |
| * @build MakeMethodNotCompilableTest |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * @run main/othervm/timeout=2400 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* MakeMethodNotCompilableTest |
| * @summary testing of WB::makeMethodNotCompilable() |
| * @author igor.ignatyev@oracle.com |
| */ |
| public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest { |
| private int bci; |
| public static void main(String[] args) throws Exception { |
| CompilerWhiteBoxTest.main(MakeMethodNotCompilableTest::new, args); |
| } |
| |
| private MakeMethodNotCompilableTest(TestCase testCase) { |
| super(testCase); |
| // to prevent inlining of #method |
| WHITE_BOX.testSetDontInlineMethod(method, true); |
| } |
| |
| /** |
| * Tests {@code WB::makeMethodNotCompilable()} by calling it before |
| * compilation and checking that method isn't compiled. Also |
| * checks that WB::clearMethodState() clears no-compilable flags. For |
| * tiered, additional checks for all available levels are conducted. |
| * |
| * @throws Exception if one of the checks fails. |
| */ |
| @Override |
| protected void test() throws Exception { |
| if (skipXcompOSR()) { |
| return; |
| } |
| checkNotCompiled(); |
| if (!isCompilable()) { |
| throw new RuntimeException(method + " must be compilable"); |
| } |
| |
| bci = getBci(); |
| |
| if (TIERED_COMPILATION) { |
| final int tierLimit = TIERED_STOP_AT_LEVEL + 1; |
| for (int testedTier = 1; testedTier < tierLimit; ++testedTier) { |
| testTier(testedTier); |
| } |
| for (int testedTier = 1; testedTier < tierLimit; ++testedTier) { |
| makeNotCompilable(testedTier); |
| if (isCompilable(testedTier)) { |
| throw new RuntimeException(method |
| + " must be not compilable at level" + testedTier); |
| } |
| WHITE_BOX.enqueueMethodForCompilation(method, testedTier, bci); |
| checkNotCompiled(); |
| |
| if (!isCompilable()) { |
| System.out.println(method |
| + " is not compilable after level " + testedTier); |
| } |
| } |
| } else { |
| compile(); |
| checkCompiled(); |
| int compLevel = getCompLevel(); |
| deoptimize(); |
| makeNotCompilable(compLevel); |
| if (isCompilable(COMP_LEVEL_ANY)) { |
| throw new RuntimeException(method |
| + " must be not compilable at CompLevel::CompLevel_any," |
| + " after it is not compilable at " + compLevel); |
| } |
| |
| WHITE_BOX.clearMethodState(method); |
| if (!isCompilable()) { |
| throw new RuntimeException(method |
| + " is not compilable after clearMethodState()"); |
| } |
| |
| // nocompilable at opposite level must make no sense |
| int oppositeLevel; |
| if (isC1Compile(compLevel)) { |
| oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION; |
| } else { |
| oppositeLevel = COMP_LEVEL_SIMPLE; |
| } |
| makeNotCompilable(oppositeLevel); |
| |
| if (!isCompilable(COMP_LEVEL_ANY)) { |
| throw new RuntimeException(method |
| + " must be compilable at CompLevel::CompLevel_any," |
| + " even it is not compilable at opposite level [" |
| + compLevel + "]"); |
| } |
| |
| if (!isCompilable(compLevel)) { |
| throw new RuntimeException(method |
| + " must be compilable at level " + compLevel |
| + ", even it is not compilable at opposite level [" |
| + compLevel + "]"); |
| } |
| } |
| |
| // clearing after tiered/non-tiered tests |
| // WB.clearMethodState() must reset no-compilable flags |
| WHITE_BOX.clearMethodState(method); |
| if (!isCompilable()) { |
| throw new RuntimeException(method |
| + " is not compilable after clearMethodState()"); |
| } |
| // Make method not (OSR-)compilable (depending on testCase.isOsr()) |
| makeNotCompilable(); |
| if (isCompilable()) { |
| throw new RuntimeException(method + " must be not compilable"); |
| } |
| // Try to (OSR-)compile method |
| compile(); |
| // Method should not be (OSR-)compiled |
| checkNotCompiled(testCase.isOsr()); |
| if (isCompilable()) { |
| throw new RuntimeException(method + " must be not compilable"); |
| } |
| // WB.clearMethodState() must reset no-compilable flags |
| WHITE_BOX.clearMethodState(method); |
| if (!isCompilable()) { |
| throw new RuntimeException(method |
| + " is not compilable after clearMethodState()"); |
| } |
| compile(); |
| checkCompiled(); |
| } |
| |
| // separately tests each tier |
| private void testTier(int testedTier) { |
| if (!isCompilable(testedTier)) { |
| throw new RuntimeException(method |
| + " is not compilable on start"); |
| } |
| makeNotCompilable(testedTier); |
| |
| // tests for all other tiers |
| for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1; |
| anotherTier < tierLimit; ++anotherTier) { |
| boolean isCompilable = isCompilable(anotherTier); |
| if (sameCompile(testedTier, anotherTier)) { |
| if (isCompilable) { |
| throw new RuntimeException(method |
| + " must be not compilable at level " + anotherTier |
| + ", if it is not compilable at " + testedTier); |
| } |
| WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci); |
| checkNotCompiled(); |
| } else { |
| if (!isCompilable) { |
| throw new RuntimeException(method |
| + " must be compilable at level " + anotherTier |
| + ", even if it is not compilable at " |
| + testedTier); |
| } |
| WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci); |
| checkCompiled(); |
| deoptimize(); |
| } |
| |
| if (!isCompilable(COMP_LEVEL_ANY)) { |
| throw new RuntimeException(method |
| + " must be compilable at 'CompLevel::CompLevel_any'" |
| + ", if it is not compilable only at " + testedTier); |
| } |
| } |
| |
| // clear state after test |
| WHITE_BOX.clearMethodState(method); |
| if (!isCompilable(testedTier)) { |
| throw new RuntimeException(method |
| + " is not compilable after clearMethodState()"); |
| } |
| } |
| |
| private boolean sameCompile(int level1, int level2) { |
| if (level1 == level2) { |
| return true; |
| } |
| if (isC1Compile(level1) && isC1Compile(level2)) { |
| return true; |
| } |
| if (isC2Compile(level1) && isC2Compile(level2)) { |
| return true; |
| } |
| return false; |
| } |
| |
| private int getBci() { |
| compile(); |
| checkCompiled(); |
| int result = WHITE_BOX.getMethodEntryBci(method); |
| deoptimize(); |
| WHITE_BOX.clearMethodState(method); |
| return result; |
| } |
| } |
