001/*
002 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.phases;
024
025import static com.oracle.graal.compiler.common.GraalOptions.*;
026import static com.oracle.graal.compiler.phases.HighTier.Options.*;
027import static com.oracle.graal.phases.common.DeadCodeEliminationPhase.Optionality.*;
028import jdk.internal.jvmci.options.*;
029
030import com.oracle.graal.loop.phases.*;
031import com.oracle.graal.nodes.spi.*;
032import com.oracle.graal.phases.*;
033import com.oracle.graal.phases.common.*;
034import com.oracle.graal.phases.common.inlining.*;
035import com.oracle.graal.phases.tiers.*;
036import com.oracle.graal.virtual.phases.ea.*;
037
038public class HighTier extends PhaseSuite<HighTierContext> {
039
040    public static class Options {
041
042        // @formatter:off
043        @Option(help = "Enable inlining", type = OptionType.Expert)
044        public static final OptionValue<Boolean> Inline = new OptionValue<>(true);
045        // @formatter:on
046    }
047
048    public HighTier() {
049        CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
050        if (ImmutableCode.getValue()) {
051            canonicalizer.disableReadCanonicalization();
052        }
053
054        if (OptCanonicalizer.getValue()) {
055            appendPhase(canonicalizer);
056        }
057
058        if (Inline.getValue()) {
059            appendPhase(new InliningPhase(canonicalizer));
060            appendPhase(new DeadCodeEliminationPhase(Optional));
061
062            if (ConditionalElimination.getValue() && OptCanonicalizer.getValue()) {
063                appendPhase(canonicalizer);
064                appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false));
065            }
066        }
067
068        if (OptConvertDeoptsToGuards.getValue()) {
069            appendPhase(new ConvertDeoptimizeToGuardPhase());
070        }
071
072        if (FullUnroll.getValue()) {
073            appendPhase(new LoopFullUnrollPhase(canonicalizer));
074        }
075
076        if (OptLoopTransform.getValue()) {
077            if (LoopPeeling.getValue()) {
078                appendPhase(new LoopPeelingPhase());
079            }
080            if (LoopUnswitch.getValue()) {
081                appendPhase(new LoopUnswitchingPhase());
082            }
083        }
084
085        if (OptCanonicalizer.getValue()) {
086            appendPhase(canonicalizer);
087        }
088
089        if (PartialEscapeAnalysis.getValue()) {
090            appendPhase(new PartialEscapePhase(true, canonicalizer));
091        }
092        appendPhase(new RemoveValueProxyPhase());
093
094        appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER));
095    }
096}