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/*
* Copyright (c) 2023, Red Hat, Inc. 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 8319764
* @summary C2 compilation asserts during incremental inlining because Phi input is out of bounds
* @requires vm.compiler2.enabled
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestLateInlineReplacedNodesExceptionPath::notInlined
* -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN -XX:StressSeed=1246687813 TestLateInlineReplacedNodesExceptionPath
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestLateInlineReplacedNodesExceptionPath::notInlined
* -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN TestLateInlineReplacedNodesExceptionPath
*/
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
public class TestLateInlineReplacedNodesExceptionPath {
private static A fieldA;
private static C fieldC = new C();
public static void main(String[] args) throws Throwable {
A a = new A();
B b = new B();
for (int i = 0; i < 20_000; i++) {
fieldA = a;
test1(true);
fieldA = b;
test1(true);
inlined1(true);
inlined1(false);
inlined2(true);
inlined2(false);
}
}
static final MethodHandle mh1;
static MethodHandle mh2;
static final MethodHandle mh3;
static MethodHandle mh4;
static {
try {
MethodHandles.Lookup lookup = MethodHandles.lookup();
mh1 = lookup.findStatic(TestLateInlineReplacedNodesExceptionPath.class, "lateInlined1", MethodType.methodType(void.class, C.class));
mh2 = mh1;
mh3 = lookup.findStatic(TestLateInlineReplacedNodesExceptionPath.class, "lateInlined2", MethodType.methodType(void.class, C.class));
mh4 = mh3;
} catch (NoSuchMethodException | IllegalAccessException e) {
e.printStackTrace();
throw new RuntimeException("Method handle lookup failed");
}
}
private static void lateInlined1(C c) {
fieldA.m(c);
c.field++;
fieldA.m(c);
}
private static void lateInlined2(C c) {
c.field++;
}
private static void test1(boolean flag) throws Throwable {
final C c = fieldC;
MethodHandle mh = null;
if (flag) {
mh = inlined1(flag);
}
mh.invokeExact(c);
mh = null;
if (flag) {
mh = inlined2(flag);
}
mh.invokeExact(c);
}
private static MethodHandle inlined1(boolean flag) {
if (flag) {
return mh1;
}
return mh2;
}
private static MethodHandle inlined2(boolean flag) {
if (flag) {
return mh3;
}
return mh4;
}
private static void notInlined() {
}
private static class A {
public void m(C c) {
c.field++;
notInlined();
}
}
private static class B extends A {
public void m(C c) {
notInlined();
}
}
private static class C {
public int field;
}
}
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