author | kvn |
Fri, 07 Jun 2019 13:57:08 -0700 | |
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/* |
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* Copyright (c) 2015, 2016, 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 |
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* @bug 8136421 |
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* @requires vm.jvmci |
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* @library /test/lib / |
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* @library ../common/patches |
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* @modules java.base/jdk.internal.misc |
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* @modules java.base/jdk.internal.org.objectweb.asm |
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* java.base/jdk.internal.org.objectweb.asm.tree |
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* jdk.internal.vm.ci/jdk.vm.ci.hotspot |
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* jdk.internal.vm.ci/jdk.vm.ci.code |
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* |
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. |
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
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* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
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* -XX:-BackgroundCompilation |
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* compiler.jvmci.compilerToVM.HasCompiledCodeForOSRTest |
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*/ |
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package compiler.jvmci.compilerToVM; |
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import compiler.jvmci.common.CTVMUtilities; |
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import compiler.testlibrary.CompilerUtils; |
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import jdk.test.lib.Asserts; |
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import jdk.test.lib.Utils; |
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import jdk.vm.ci.hotspot.CompilerToVMHelper; |
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
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import sun.hotspot.code.NMethod; |
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import java.lang.reflect.Executable; |
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import java.util.ArrayList; |
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import java.util.List; |
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public class HasCompiledCodeForOSRTest { |
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public static void main(String[] args) { |
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List<CompileCodeTestCase> testCases = createTestCases(); |
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testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest); |
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} |
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public static List<CompileCodeTestCase> createTestCases() { |
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List<CompileCodeTestCase> testCases = new ArrayList<>(); |
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try { |
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Class<?> aClass = DummyClass.class; |
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Object receiver = new DummyClass(); |
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testCases.add(new CompileCodeTestCase(receiver, |
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aClass.getMethod("withLoop"), 17)); |
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} catch (NoSuchMethodException e) { |
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throw new Error("TEST BUG : " + e.getMessage(), e); |
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} |
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return testCases; |
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} |
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private static void runSanityTest(CompileCodeTestCase testCase) { |
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System.out.println(testCase); |
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Executable aMethod = testCase.executable; |
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HotSpotResolvedJavaMethod method = CTVMUtilities |
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.getResolvedMethod(aMethod); |
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testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes())); |
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testCase.deoptimize(); |
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int[] levels = CompilerUtils.getAvailableCompilationLevels(); |
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// not compiled |
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for (int level : levels) { |
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boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( |
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method, testCase.bci, level); |
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Asserts.assertFalse(isCompiled, String.format( |
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"%s : unexpected return value for non-compiled method at " |
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+ "level %d", testCase, level)); |
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} |
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NMethod nm = testCase.compile(); |
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if (nm == null) { |
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throw new Error(String.format( |
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"TEST BUG : %s : cannot compile method", testCase)); |
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} |
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boolean isCompiled; |
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int level = nm.comp_level; |
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int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45}; |
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// check levels |
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for (int i : someLevels) { |
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isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( |
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method, testCase.bci, i); |
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Asserts.assertEQ(isCompiled, level == i, String.format( |
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"%s : unexpected return value for compiled method at " |
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+ "level %d", testCase, i)); |
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} |
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// check bci |
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byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities |
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.getResolvedMethod(testCase.executable)); |
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int[] incorrectBci = new int[] { |
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testCase.bci + 1, |
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testCase.bci - 1, |
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-200, |
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-10, |
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bytecode.length, |
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bytecode.length + 1, |
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bytecode.length + 4, |
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bytecode.length + 200 |
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}; |
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for (int bci : incorrectBci) { |
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isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR( |
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method, bci, level); |
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Asserts.assertFalse(isCompiled, String.format( |
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"%s : unexpected return value for compiled method at " |
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+ "level %d with bci = %d ", |
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testCase, level, bci)); |
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} |
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} |
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} |