136 lines
4.2 KiB
Java
136 lines
4.2 KiB
Java
/*
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* Copyright (c) 2023, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8319764
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* @summary C2 compilation asserts during incremental inlining because Phi input is out of bounds
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* @requires vm.compiler2.enabled
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestLateInlineReplacedNodesExceptionPath::notInlined
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN -XX:StressSeed=1246687813 TestLateInlineReplacedNodesExceptionPath
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestLateInlineReplacedNodesExceptionPath::notInlined
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN TestLateInlineReplacedNodesExceptionPath
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*/
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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public class TestLateInlineReplacedNodesExceptionPath {
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private static A fieldA;
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private static C fieldC = new C();
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public static void main(String[] args) throws Throwable {
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A a = new A();
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B b = new B();
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for (int i = 0; i < 20_000; i++) {
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fieldA = a;
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test1(true);
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fieldA = b;
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test1(true);
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inlined1(true);
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inlined1(false);
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inlined2(true);
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inlined2(false);
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}
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}
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static final MethodHandle mh1;
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static MethodHandle mh2;
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static final MethodHandle mh3;
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static MethodHandle mh4;
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static {
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try {
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MethodHandles.Lookup lookup = MethodHandles.lookup();
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mh1 = lookup.findStatic(TestLateInlineReplacedNodesExceptionPath.class, "lateInlined1", MethodType.methodType(void.class, C.class));
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mh2 = mh1;
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mh3 = lookup.findStatic(TestLateInlineReplacedNodesExceptionPath.class, "lateInlined2", MethodType.methodType(void.class, C.class));
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mh4 = mh3;
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} catch (NoSuchMethodException | IllegalAccessException e) {
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e.printStackTrace();
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throw new RuntimeException("Method handle lookup failed");
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}
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}
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private static void lateInlined1(C c) {
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fieldA.m(c);
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c.field++;
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fieldA.m(c);
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}
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private static void lateInlined2(C c) {
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c.field++;
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}
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private static void test1(boolean flag) throws Throwable {
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final C c = fieldC;
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MethodHandle mh = null;
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if (flag) {
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mh = inlined1(flag);
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}
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mh.invokeExact(c);
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mh = null;
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if (flag) {
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mh = inlined2(flag);
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}
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mh.invokeExact(c);
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}
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private static MethodHandle inlined1(boolean flag) {
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if (flag) {
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return mh1;
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}
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return mh2;
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}
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private static MethodHandle inlined2(boolean flag) {
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if (flag) {
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return mh3;
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}
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return mh4;
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}
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private static void notInlined() {
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}
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private static class A {
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public void m(C c) {
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c.field++;
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notInlined();
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}
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}
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private static class B extends A {
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public void m(C c) {
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notInlined();
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}
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}
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private static class C {
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public int field;
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}
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}
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