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/*
* Copyright (c) 2021, 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 8254108
* @library / /test/lib
* @summary Testing of ciReplay with incremental inlining.
* @requires vm.flightRecorder != true & vm.compMode != "Xint" & vm.compMode != "Xcomp" & vm.debug == true & vm.compiler2.enabled
* @modules java.base/jdk.internal.misc
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* compiler.ciReplay.TestIncrementalInlining
*/
package compiler.ciReplay;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import jdk.test.whitebox.WhiteBox;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class TestIncrementalInlining extends InliningBase {
private List<InlineEntry> inlineesNormal;
private List<InlineEntry> inlineesReplay;
public static void main(String[] args) {
new TestIncrementalInlining();
}
TestIncrementalInlining() {
super(IncrementalInliningTest.class);
// Enable Whitebox access for test VM.
commandLineNormal.add("-Dtest.jdk=" + Utils.TEST_JDK);
commandLineNormal.add("-cp");
commandLineNormal.add(Utils.TEST_CLASS_PATH);
commandLineNormal.add("-Xbootclasspath/a:.");
commandLineNormal.add("-XX:+UnlockDiagnosticVMOptions");
commandLineNormal.add("-XX:+WhiteBoxAPI");
commandLineNormal.add("-XX:MaxInlineLevel=2");
commandLineNormal.add("-XX:-AlwaysIncrementalInline");
commandLineNormal.add("-XX:-StressIncrementalInlining");
runTest();
}
@Override
public void testAction() {
positiveTest(commandLineReplay);
inlineesNormal = parseLogFile(LOG_FILE_NORMAL, getTestClass() + " " + "test", "compile_id='" + getCompileIdFromFile(getReplayFileName()), 5);
verify(true);
// Incremental inlining is supported in version 2+
// Test replay file version 1.
removeIncrementalInlineInfo();
setNewVersionInReplayFile(1);
positiveTest(commandLineReplay);
verify(false);
// Test replay file without version.
removeVersionFromReplayFile();
positiveTest(commandLineReplay);
verify(false);
}
private void verify(boolean isNewFormat) {
inlineesReplay = parseLogFile(LOG_FILE_REPLAY, getTestClass() + " " + "test", "test ()V", 5);
verifyLists(inlineesNormal, inlineesReplay, 5);
checkInlining(isNewFormat);
}
// Check if inlining is done correctly in ciReplay.
private void checkInlining(boolean isNewFormat) {
String klass = getTestClass();
Asserts.assertTrue(inlineesNormal.get(0).compare(klass, "level0", inlineesNormal.get(0).isForcedInline()));
Asserts.assertTrue(inlineesReplay.get(0).compare(klass, "level0", inlineesReplay.get(0).isForcedByReplay()));
Asserts.assertTrue(inlineesNormal.get(1).compare(klass, "level1", inlineesNormal.get(1).isNormalInline()));
Asserts.assertTrue(inlineesReplay.get(1).compare(klass, "level1", inlineesReplay.get(1).isForcedByReplay()));
Asserts.assertTrue(inlineesNormal.get(2).compare(klass, "level2", inlineesNormal.get(2).isForcedInline()));
Asserts.assertTrue(inlineesReplay.get(2).compare(klass, "level2", inlineesReplay.get(2).isForcedByReplay()));
Asserts.assertTrue(inlineesNormal.get(3).compare(klass, "late", inlineesNormal.get(3).isForcedInline()));
Asserts.assertTrue(inlineesReplay.get(3).compare(klass, "late", isNewFormat ?
inlineesReplay.get(3).isForcedIncrementalInlineByReplay()
: inlineesReplay.get(3).isForcedByReplay()));
Asserts.assertTrue(inlineesNormal.get(4).compare(klass, "level4", inlineesNormal.get(4).isTooDeep()));
Asserts.assertTrue(inlineesReplay.get(4).compare(klass, "level4", inlineesReplay.get(4).isDisallowedByReplay()));
}
private void removeIncrementalInlineInfo() {
try {
Path replayFilePath = Paths.get(getReplayFileName());
List<String> replayContent = Files.readAllLines(replayFilePath);
for (int i = 0; i < replayContent.size(); i++) {
String line = replayContent.get(i);
if (line.startsWith("compile ")) {
int lastIndex = 0;
StringBuilder newLine = new StringBuilder();
Pattern p = Pattern.compile("(\\d (-?\\d)) \\d compiler");
Matcher m = p.matcher(line);
boolean firstMatch = true;
while (m.find()) {
newLine.append(line, lastIndex, m.start())
.append(m.group(1))
.append(" compiler");
lastIndex = m.end();
String bci = m.group(2);
Asserts.assertTrue(firstMatch ? bci.equals("-1") : bci.equals("0"), "only root has -1");
firstMatch = false;
}
Asserts.assertLessThan(lastIndex, line.length(), "not reached end of line, yet");
newLine.append(line, lastIndex, line.length());
replayContent.set(i, newLine.toString());
}
}
Files.write(replayFilePath, replayContent, StandardOpenOption.TRUNCATE_EXISTING);
} catch (IOException ioe) {
throw new Error("Failed to read/write replay data: " + ioe, ioe);
}
}
}
class IncrementalInliningTest {
private static final WhiteBox WB = WhiteBox.getWhiteBox();
private static String s;
public static void main(String[] args) throws NoSuchMethodException {
WB.testSetForceInlineMethod(IncrementalInliningTest.class.getDeclaredMethod("level0"), true);
WB.testSetForceInlineMethod(IncrementalInliningTest.class.getDeclaredMethod("level2"), true);
WB.testSetForceInlineMethod(IncrementalInliningTest.class.getDeclaredMethod("late"), true);
for (int i = 0; i < 10000; i++) {
test();
}
}
private static void test() {
level0();
}
public static void level0() {
level1();
}
public static void level1() {
level2();
}
public static void level2() {
late();
}
// Reached max inline level but forced to be inlined -> inline late.
public static void late() {
level4();
}
// Reached max inline level and not forced to be inlined -> no inline.
public static void level4() {
s = "HelloWorld";
}
}
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