view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/LowTier.java @ 13505:75a67ebd50e8

Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 03 Jan 2014 12:00:19 -0800
parents 16d99e9d77ad
children e57115c41164
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/*
 * Copyright (c) 2013, 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 com.oracle.graal.compiler.phases;

import static com.oracle.graal.phases.GraalOptions.*;

import com.oracle.graal.nodes.spi.*;
import com.oracle.graal.phases.*;
import com.oracle.graal.phases.common.*;
import com.oracle.graal.phases.tiers.*;

public class LowTier extends PhaseSuite<LowTierContext> {

    public LowTier() {
        CanonicalizerPhase canonicalizer = new CanonicalizerPhase(!ImmutableCode.getValue());

        appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.LOW_TIER));

        appendPhase(new RemoveValueProxyPhase());

        appendPhase(new ExpandLogicPhase());

        appendPhase(new DeadCodeEliminationPhase());
    }
}