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/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2023, Red Hat 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 8320237
* @summary late inlining output shouldn't produce both failure and success messages
* @library /test/lib
* @requires vm.compiler2.enabled
* @requires vm.flagless
* @run driver compiler.inlining.TestDuplicatedLateInliningOutput
*/
package compiler.inlining;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.util.List;
import java.util.stream.IntStream;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class TestDuplicatedLateInliningOutput {
public static void main(String[] args) throws Exception {
test(
NonConstantReceiverLauncher.class,
"@ (\\d+)\\s+java\\.lang\\.invoke\\.MethodHandle::invokeBasic\\(\\)V \\(\\d+ bytes\\)\\s+failed to inline: receiver not constant\\s+callee changed to\\s+java\\.lang\\.invoke\\.LambdaForm\\$DMH\\/0x[0-9a-f]+::invokeStatic \\(\\d+ bytes\\)\\s+force inline by annotation\\s+late inline succeeded \\(method handle\\)",
"@ (\\d+)\\s+java\\.lang\\.invoke\\.MethodHandle::invokeBasic\\(\\)V \\(\\d+ bytes\\)\\s+failed to inline: receiver not constant");
test(
VirtualCallLauncher.class,
"@ (\\d+)\\s+compiler\\.inlining\\.TestDuplicatedLateInliningOutput\\$VirtualCallLauncher\\$A::lateInlined2 \\(\\d+ bytes\\)\\s+failed to inline: virtual call\\s+callee changed to\\s+\\s+compiler\\.inlining\\.TestDuplicatedLateInliningOutput\\$VirtualCallLauncher\\$B::lateInlined2 \\(\\d+ bytes\\)\\s+inline \\(hot\\)\\s+late inline succeeded",
"@ (\\d+)\\s+compiler\\.inlining\\.TestDuplicatedLateInliningOutput\\$VirtualCallLauncher\\$A::lateInlined2 \\(\\d+ bytes\\)\\s+failed to inline: virtual call"
);
}
private static void test(Class<?> launcher, String pattern1, String pattern2) throws Exception {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+PrintInlining",
"-XX:CICompilerCount=1",
"-XX:-TieredCompilation",
"-XX:-BackgroundCompilation",
launcher.getName());
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
analyzer.shouldHaveExitValue(0);
analyzer.outputTo(System.out);
analyzer.errorTo(System.err);
List<String> lines = analyzer.asLines();
int index = IntStream.range(0, lines.size())
.filter(i -> lines.get(i).trim().matches(pattern1))
.findFirst()
.orElseThrow(() -> new Exception("No inlining found" + pattern1));
if (lines.get(index - 1).trim().matches(pattern2)) {
throw new Exception("Both failure and success message found");
}
}
static class NonConstantReceiverLauncher {
static final MethodHandle mh1;
static MethodHandle mh2;
static {
try {
MethodHandles.Lookup lookup = MethodHandles.lookup();
mh1 = lookup.findStatic(NonConstantReceiverLauncher.class, "lateInlined", MethodType.methodType(void.class));
mh2 = mh1;
} catch (NoSuchMethodException | IllegalAccessException e) {
e.printStackTrace();
throw new RuntimeException("Method handle lookup failed");
}
}
public static void main(String[] args) throws Throwable {
for (int i = 0; i < 20_000; i++) {
test(true);
inlined(false);
}
}
private static void lateInlined() {
// noop
}
private static void test(boolean flag) throws Throwable {
MethodHandle mh = null;
if (flag) {
mh = inlined(flag);
}
mh.invokeExact();
}
private static MethodHandle inlined(boolean flag) {
if (flag) {
return mh1;
}
return mh2;
}
}
static class VirtualCallLauncher {
static final A obj1 = new B();
static final A obj2 = new C();
static final A obj3 = new D();
public static void main(String[] args) throws Throwable {
for (int i = 0; i < 20_000; i++) {
test2(true);
inlined2(false);
inlined3(obj1);
inlined3(obj2);
inlined3(obj3);
}
}
private static void test2(boolean flag) {
A a = null;
if (flag) {
a = inlined2(flag);
}
inlined3(a);
}
private static A inlined2(boolean flag) {
if (flag) {
return obj1;
}
return obj2;
}
private static void inlined3(A a) {
a.lateInlined2();
}
private static abstract class A {
abstract void lateInlined2();
}
private static class B extends A {
@Override
void lateInlined2() {
// noop
}
}
private static class C extends A {
@Override
void lateInlined2() {
// noop
}
}
private static class D extends A {
@Override
void lateInlined2() {
// noop
}
}
}
}
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