/*

 * Copyright (c) 2011, 2012, 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.

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package org.graalvm.compiler.virtual.phases.ea;

import static org.graalvm.compiler.core.common.GraalOptions.EscapeAnalyzeOnly;

import org.graalvm.compiler.nodes.StructuredGraph;

import org.graalvm.compiler.nodes.StructuredGraph.ScheduleResult;

import org.graalvm.compiler.nodes.cfg.ControlFlowGraph;

import org.graalvm.compiler.phases.common.CanonicalizerPhase;

import org.graalvm.compiler.phases.tiers.PhaseContext;

public class EarlyReadEliminationPhase extends EffectsPhase<PhaseContext> {

    public EarlyReadEliminationPhase(CanonicalizerPhase canonicalizer) {

        super(1, canonicalizer, true);

    }

    @Override

    protected void run(StructuredGraph graph, PhaseContext context) {

            runAnalysis(graph, context);

        }

    }

    @Override

    protected Closure<?> createEffectsClosure(PhaseContext context, ScheduleResult schedule, ControlFlowGraph cfg) {

        assert schedule == null;

        return new ReadEliminationClosure(cfg);

    }

}