001/*
002 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.hotspot.test;
024
025import org.junit.*;
026
027import com.oracle.graal.api.replacements.*;
028import com.oracle.graal.api.runtime.*;
029import com.oracle.graal.compiler.common.spi.*;
030import com.oracle.graal.compiler.test.*;
031import com.oracle.graal.graph.Node.ConstantNodeParameter;
032import com.oracle.graal.graph.Node.NodeIntrinsic;
033import com.oracle.graal.hotspot.meta.*;
034import com.oracle.graal.nodes.extended.*;
035import com.oracle.graal.nodes.spi.*;
036import com.oracle.graal.runtime.*;
037
038/**
039 * Tests that deoptimization upon exception handling works.
040 */
041public class ForeignCallDeoptimizeTest extends GraalCompilerTest {
042
043    private static boolean substitutionsInstalled;
044
045    public ForeignCallDeoptimizeTest() {
046        if (!substitutionsInstalled) {
047            Replacements replacements = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getProviders().getReplacements();
048            replacements.registerSubstitutions(ForeignCallDeoptimizeTest.class, Substitutions.class);
049            substitutionsInstalled = true;
050        }
051    }
052
053    @ClassSubstitution(ForeignCallDeoptimizeTest.class)
054    static class Substitutions {
055
056        @MethodSubstitution(isStatic = true)
057        static int testCallInt(int value) {
058            return testDeoptimizeCallInt(HotSpotForeignCallsProviderImpl.TEST_DEOPTIMIZE_CALL_INT, value);
059        }
060    }
061
062    /**
063     * Exercise deoptimization inside of a non leaf runtime call.
064     */
065    @NodeIntrinsic(ForeignCallNode.class)
066    static native int testDeoptimizeCallInt(@ConstantNodeParameter ForeignCallDescriptor descriptor, int value);
067
068    public static int testCallInt(int value) {
069        return value;
070    }
071
072    public static int testForeignCall(int value) {
073        if (testCallInt(value) != value) {
074            throw new InternalError();
075        }
076        return value;
077    }
078
079    @Test
080    public void test1() {
081        test("testForeignCall", 0);
082    }
083
084    @Test
085    public void test2() {
086        test("testForeignCall", -1);
087    }
088}