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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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
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 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.compiler.hotspot.test;

import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProviderImpl;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.extended.ForeignCallNode;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
import org.junit.Test;

import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.ResolvedJavaMethod;

Tests that deoptimization upon exception handling works.
/**
 * Tests that deoptimization upon exception handling works.
 */
public class ForeignCallDeoptimizeTest extends GraalCompilerTest {

    @Override
    protected void registerInvocationPlugins(InvocationPlugins invocationPlugins) {
        invocationPlugins.register(new InvocationPlugin() {

            @Override
            public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode arg) {
                ForeignCallNode node = new ForeignCallNode(HotSpotForeignCallsProviderImpl.TEST_DEOPTIMIZE_CALL_INT, arg);
                b.addPush(JavaKind.Int, node);
                return true;
            }
        }, ForeignCallDeoptimizeTest.class, "testCallInt", int.class);
        super.registerInvocationPlugins(invocationPlugins);
    }

    public static int testCallInt(int value) {
        return value;
    }

    public static int testForeignCall(int value) {
        if (testCallInt(value) != value) {
            throw new InternalError();
        }
        return value;
    }

    @Test
    public void test1() {
        test("testForeignCall", 0);
    }

    @Test
    public void test2() {
        test("testForeignCall", -1);
    }
}