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/*
* Copyright (c) 2015, 2020, 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
* @key randomness
* @bug 8136421
* @requires vm.jvmci
* @library /test/lib /
* @library ../common/patches
* @modules java.base/jdk.internal.misc
* @modules java.base/jdk.internal.org.objectweb.asm
* java.base/jdk.internal.org.objectweb.asm.tree
* jdk.internal.vm.ci/jdk.vm.ci.hotspot
* jdk.internal.vm.ci/jdk.vm.ci.code
*
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* sun.hotspot.WhiteBox sun.hotspot.parser.DiagnosticCommand
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -XX:-BackgroundCompilation
* compiler.jvmci.compilerToVM.AllocateCompileIdTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import jdk.test.lib.Asserts;
import jdk.test.lib.util.Pair;
import jdk.test.lib.Utils;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import sun.hotspot.code.NMethod;
import java.lang.reflect.Executable;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class AllocateCompileIdTest {
private static final int SOME_REPEAT_VALUE = 5;
private final HashSet<Integer> ids = new HashSet<>();
public static void main(String[] args) {
AllocateCompileIdTest test = new AllocateCompileIdTest();
createTestCasesCorrectBci().forEach(test::runSanityCorrectTest);
createTestCasesIncorrectBci().forEach(test::runSanityIncorrectTest);
}
private static List<CompileCodeTestCase> createTestCasesCorrectBci() {
List<CompileCodeTestCase> result = new ArrayList<>();
try {
Class<?> aClass = DummyClass.class;
Method method = aClass.getMethod("withLoop");
Object receiver = new DummyClass();
result.add(new CompileCodeTestCase(receiver, method, 17));
result.add(new CompileCodeTestCase(receiver, method, -1));
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG : " + e, e);
}
return result;
}
private static List<Pair<CompileCodeTestCase, Class<? extends Throwable>>>
createTestCasesIncorrectBci() {
List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> result
= new ArrayList<>();
try {
Class<?> aClass = DummyClass.class;
Object receiver = new DummyClass();
Method method = aClass.getMethod("dummyInstanceFunction");
// greater than bytecode.length
byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
.getResolvedMethod(method));
Stream.of(
// greater than bytecode.length
bytecode.length + 4,
bytecode.length + 50,
bytecode.length + 200,
// negative cases
-4, -50, -200)
.map(bci -> new Pair<CompileCodeTestCase,
Class<? extends Throwable>>(
new CompileCodeTestCase(receiver, method, bci),
IllegalArgumentException.class))
.collect(Collectors.toList());
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG : " + e.getMessage(), e);
}
return result;
}
private void runSanityCorrectTest(CompileCodeTestCase testCase) {
System.out.println(testCase);
Executable aMethod = testCase.executable;
// to generate ciTypeFlow
testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
int bci = testCase.bci;
HotSpotResolvedJavaMethod method = CTVMUtilities
.getResolvedMethod(aMethod);
for (int i = 0; i < SOME_REPEAT_VALUE; ++i) {
int wbCompileID = getWBCompileID(testCase);
int id = CompilerToVMHelper.allocateCompileId(method, bci);
Asserts.assertNE(id, 0, testCase + " : zero compile id");
Asserts.assertGT(id, wbCompileID, testCase
+ " : allocated 'compile id' not greater than existed");
Asserts.assertTrue(ids.add(wbCompileID), testCase
+ " : vm compilation allocated existing id " + id);
Asserts.assertTrue(ids.add(id), testCase
+ " : allocateCompileId returned existing id " + id);
}
}
private void runSanityIncorrectTest(
Pair<CompileCodeTestCase, Class<? extends Throwable>> testCase) {
System.out.println(testCase);
Class<? extends Throwable> exception = testCase.second;
Executable aMethod = testCase.first.executable;
int bci = testCase.first.bci;
HotSpotResolvedJavaMethod method = CTVMUtilities
.getResolvedMethod(aMethod);
Utils.runAndCheckException(
() -> CompilerToVMHelper.allocateCompileId(method, bci),
exception);
}
private int getWBCompileID(CompileCodeTestCase testCase) {
NMethod nm = testCase.deoptimizeAndCompile();
if (nm == null || nm.compile_id <= 0) {
throw new Error("TEST BUG : cannot compile method " + testCase);
}
return nm.compile_id;
}
}
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