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111 lines
3.6 KiB
Java
111 lines
3.6 KiB
Java
/*
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* Copyright (c) 2025 IBM Corporation. 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 8370939
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* @summary C2: SIGSEGV in SafePointNode::verify_input when processing MH call from Compile::process_late_inline_calls_no_inline()
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* @run main/othervm -XX:-BackgroundCompilation -XX:CompileOnly=TestLateMHClonedCallNode::test1
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* -XX:CompileOnly=TestLateMHClonedCallNode::test2 TestLateMHClonedCallNode
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* @run main TestLateMHClonedCallNode
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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 TestLateMHClonedCallNode {
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private static int field;
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public static void main(String[] args) throws Throwable {
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for (int i = 0; i < 20_000; i++) {
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test1(true);
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test1(false);
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test2(true);
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test2(false);
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}
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}
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private static int test1(boolean flag) throws Throwable {
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return inlined1(flag);
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}
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private static int inlined1(boolean flag) throws Throwable {
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MethodHandle mh = mh1;
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for (int i = 0; i < 3; ++i) {
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if (i > 1) {
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mh = mh2;
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}
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}
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int res = 0;
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for (int i = 0; i < 2; i++) {
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if (!flag) {
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field = 42;
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}
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res += (int) mh.invokeExact();
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}
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return res;
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}
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private static int test2(boolean flag) throws Throwable {
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int res = (int)unknownMh.invokeExact();
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return inlined2(flag);
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}
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private static int inlined2(boolean flag) throws Throwable {
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MethodHandle mh = mh1;
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for (int i = 0; i < 3; ++i) {
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if (i > 1) {
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mh = mh2;
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}
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}
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int res = 0;
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for (int i = 0; i < 2; i++) {
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if (!flag) {
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field = 42;
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}
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res += (int) mh.invokeExact();
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}
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return res;
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}
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static final MethodHandle mh1;
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static final MethodHandle mh2;
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static MethodHandle unknownMh;
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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(TestLateMHClonedCallNode.class, "method1", MethodType.methodType(int.class));
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mh2 = lookup.findStatic(TestLateMHClonedCallNode.class, "method2", MethodType.methodType(int.class));
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unknownMh = mh1;
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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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static int method1() { return 0; }
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static int method2() { return 42; }
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}
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