/*

 * Copyright (c) 2013, 2014, 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.phases.common.inlining.info;

import org.graalvm.compiler.graph.Node;

import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;

import org.graalvm.compiler.nodes.Invoke;

import org.graalvm.compiler.phases.common.inlining.InliningUtil;

import org.graalvm.compiler.phases.util.Providers;

import jdk.vm.ci.meta.Assumptions.AssumptionResult;

import jdk.vm.ci.meta.ResolvedJavaMethod;

/**

 * Represents an inlining opportunity where the current class hierarchy leads to a monomorphic

 * target method, but for which an assumption has to be registered because of non-final classes.

 */

public class AssumptionInlineInfo extends ExactInlineInfo {

    private final AssumptionResult<?> takenAssumption;

    public AssumptionInlineInfo(Invoke invoke, ResolvedJavaMethod concrete, AssumptionResult<?> takenAssumption) {

        super(invoke, concrete);

        this.takenAssumption = takenAssumption;

    }

    @Override

    public EconomicSet<Node> inline(Providers providers) {

        takenAssumption.recordTo(invoke.asNode().graph().getAssumptions());

        return super.inline(providers);

    }

    @Override

    public void tryToDevirtualizeInvoke(Providers providers) {

        takenAssumption.recordTo(invoke.asNode().graph().getAssumptions());

        InliningUtil.replaceInvokeCallTarget(invoke, graph(), InvokeKind.Special, concrete);

    }

    @Override

    public String toString() {

        return "assumption " + concrete.format("%H.%n(%p):%r");

    }

}