/*

 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. 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

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package org.graalvm.compiler.hotspot.test;

import static org.graalvm.compiler.core.common.CompilationIdentifier.INVALID_COMPILATION_ID;

import java.util.List;

import org.graalvm.compiler.api.test.Graal;

import org.graalvm.compiler.core.test.GraalCompilerTest;

import org.graalvm.compiler.debug.DebugContext;

import org.graalvm.compiler.hotspot.HotSpotGraalCompiler;

import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;

import org.graalvm.compiler.hotspot.meta.HotSpotProviders;

import org.graalvm.compiler.nodes.StructuredGraph;

import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;

import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;

import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;

import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Binding;

import org.graalvm.compiler.nodes.graphbuilderconf.MethodSubstitutionPlugin;

import org.graalvm.compiler.options.OptionValues;

import org.graalvm.compiler.runtime.RuntimeProvider;

import org.junit.Test;

import jdk.vm.ci.hotspot.HotSpotVMConfigStore;

import jdk.vm.ci.hotspot.VMIntrinsicMethod;

import jdk.vm.ci.meta.ResolvedJavaMethod;

import jdk.vm.ci.runtime.JVMCI;

/**

 * Exercise the compilation of intrinsic method substitutions.

 */

public class TestIntrinsicCompiles extends GraalCompilerTest {

    @Test

    @SuppressWarnings("try")

    public void test() throws ClassNotFoundException {

        HotSpotGraalCompiler compiler = (HotSpotGraalCompiler) JVMCI.getRuntime().getCompiler();

        HotSpotGraalRuntimeProvider rt = (HotSpotGraalRuntimeProvider) Graal.getRequiredCapability(RuntimeProvider.class);

        HotSpotProviders providers = rt.getHostBackend().getProviders();

        Plugins graphBuilderPlugins = providers.getGraphBuilderPlugins();

        InvocationPlugins invocationPlugins = graphBuilderPlugins.getInvocationPlugins();

        EconomicMap<String, List<Binding>> bindings = invocationPlugins.getBindings(true);

        HotSpotVMConfigStore store = rt.getVMConfig().getStore();

        List<VMIntrinsicMethod> intrinsics = store.getIntrinsics();

        OptionValues options = getInitialOptions();

        DebugContext debug = getDebugContext(options);

        for (VMIntrinsicMethod intrinsic : intrinsics) {

            InvocationPlugin plugin = CheckGraalIntrinsics.findPlugin(bindings, intrinsic);

            if (plugin != null) {

                if (plugin instanceof MethodSubstitutionPlugin) {

                    ResolvedJavaMethod method = CheckGraalIntrinsics.resolveIntrinsic(getMetaAccess(), intrinsic);

                    if (!method.isNative()) {

                        StructuredGraph graph = compiler.getIntrinsicGraph(method, providers, INVALID_COMPILATION_ID, options, debug);

                        getCode(method, graph);

                    }

                }

            }

        }

    }

}