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/*
* Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
* @library / /testlibrary /../../test/lib
* @ignore 8139703
* @compile ../common/CompilerToVMHelper.java
* @build sun.hotspot.WhiteBox MaterializeVirtualObjectTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
* -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false
* compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch
* -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true
* compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import compiler.testlibrary.CompilerUtils;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.lib.Asserts;
import sun.hotspot.WhiteBox;
import java.lang.reflect.Method;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
import jdk.vm.ci.hotspot.HotSpotStackFrameReference;
public class MaterializeVirtualObjectTest {
private static final WhiteBox WB = WhiteBox.getWhiteBox();
private static final Method METHOD;
private static final HotSpotResolvedJavaMethodImpl RESOLVED_METHOD;
private static final boolean INVALIDATE = Boolean.getBoolean(
"compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate");
static {
try {
METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod(
"testFrame", String.class, boolean.class);
} catch (NoSuchMethodException e) {
throw new Error("Can't get executable for test method", e);
}
RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD);
}
public static void main(String[] args) {
int levels[] = CompilerUtils.getAvailableCompilationLevels();
// we need compilation level 4 to use EscapeAnalysis
if (levels.length < 1 || levels[levels.length - 1] != 4) {
System.out.println("INFO: Test needs compilation level 4 to"
+ " be available. Skipping.");
} else {
new MaterializeVirtualObjectTest().test();
}
}
private static String getName() {
return "CASE: invalidate=" + INVALIDATE;
}
private void test() {
System.out.println(getName());
Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName()
+ " : method unexpectedly compiled");
/* need to call testFrame at least once to be able to compile it, so
calling with materialize=false, because testFrame is not compiled */
testFrame("someString", /* materialize= */ false);
WB.enqueueMethodForCompilation(METHOD, 4);
Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
+ "Method unexpectedly not compiled");
// calling with materialize=true to materialize compiled testFrame
testFrame("someString", /* materialize= */ true);
}
private void testFrame(String str, boolean materialize) {
Helper helper = new Helper(str);
check(materialize);
Asserts.assertTrue((helper.string != null) && (this != null)
&& (helper != null), getName() + " : some locals are null");
}
private void check(boolean materialize) {
// Materialize virtual objects on last invocation
if (materialize) {
HotSpotStackFrameReference hsFrame = CompilerToVMHelper
.getNextStackFrame(/* topmost frame */ null,
new HotSpotResolvedJavaMethodImpl[]{
RESOLVED_METHOD}, /* don't skip any */ 0);
Asserts.assertNotNull(hsFrame, getName() + " : got null frame");
Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName()
+ "Test method should be compiled");
Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName()
+ ": has no virtual object before materialization");
CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE);
Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName()
+ " : has virtual object after materialization");
Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName()
+ " : unexpected compiled status");
}
}
private class Helper {
public String string;
public Helper(String s) {
this.string = s;
}
}
}