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/*
* Copyright (c) 2015, 2016, 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
* @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
* @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.HasCompiledCodeForOSRTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import compiler.testlibrary.CompilerUtils;
import jdk.test.lib.Asserts;
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.util.ArrayList;
import java.util.List;
public class HasCompiledCodeForOSRTest {
public static void main(String[] args) {
List<CompileCodeTestCase> testCases = createTestCases();
testCases.forEach(HasCompiledCodeForOSRTest::runSanityTest);
}
public static List<CompileCodeTestCase> createTestCases() {
List<CompileCodeTestCase> testCases = new ArrayList<>();
try {
Class<?> aClass = DummyClass.class;
Object receiver = new DummyClass();
testCases.add(new CompileCodeTestCase(receiver,
aClass.getMethod("withLoop"), 17));
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG : " + e.getMessage(), e);
}
return testCases;
}
private static void runSanityTest(CompileCodeTestCase testCase) {
System.out.println(testCase);
Executable aMethod = testCase.executable;
HotSpotResolvedJavaMethod method = CTVMUtilities
.getResolvedMethod(aMethod);
testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
testCase.deoptimize();
int[] levels = CompilerUtils.getAvailableCompilationLevels();
// not compiled
for (int level : levels) {
boolean isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
method, testCase.bci, level);
Asserts.assertFalse(isCompiled, String.format(
"%s : unexpected return value for non-compiled method at "
+ "level %d", testCase, level));
}
NMethod nm = testCase.compile();
if (nm == null) {
throw new Error(String.format(
"TEST BUG : %s : cannot compile method", testCase));
}
boolean isCompiled;
int level = nm.comp_level;
int[] someLevels = new int[] {-4, 0, 1, 2, 3, 4, 5, 45};
// check levels
for (int i : someLevels) {
isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
method, testCase.bci, i);
Asserts.assertEQ(isCompiled, level == i, String.format(
"%s : unexpected return value for compiled method at "
+ "level %d", testCase, i));
}
// check bci
byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
.getResolvedMethod(testCase.executable));
int[] incorrectBci = new int[] {
testCase.bci + 1,
testCase.bci - 1,
-200,
-10,
bytecode.length,
bytecode.length + 1,
bytecode.length + 4,
bytecode.length + 200
};
for (int bci : incorrectBci) {
isCompiled = CompilerToVMHelper.hasCompiledCodeForOSR(
method, bci, level);
Asserts.assertFalse(isCompiled, String.format(
"%s : unexpected return value for compiled method at "
+ "level %d with bci = %d ",
testCase, level, bci));
}
}
}
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