001/*
002 * Copyright (c) 2015, 2015, 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.lir.phases;
024
025import static com.oracle.graal.lir.phases.LIRPhase.Options.*;
026import jdk.internal.jvmci.options.*;
027
028import com.oracle.graal.lir.*;
029import com.oracle.graal.lir.phases.PostAllocationOptimizationPhase.PostAllocationOptimizationContext;
030import com.oracle.graal.lir.profiling.*;
031
032public class PostAllocationOptimizationStage extends LIRPhaseSuite<PostAllocationOptimizationContext> {
033    public static class Options {
034        // @formatter:off
035        @Option(help = "", type = OptionType.Debug)
036        public static final NestedBooleanOptionValue LIROptEdgeMoveOptimizer = new NestedBooleanOptionValue(LIROptimization, true);
037        @Option(help = "", type = OptionType.Debug)
038        public static final NestedBooleanOptionValue LIROptControlFlowOptimizer = new NestedBooleanOptionValue(LIROptimization, true);
039        @Option(help = "", type = OptionType.Debug)
040        public static final NestedBooleanOptionValue LIROptRedundantMoveElimination = new NestedBooleanOptionValue(LIROptimization, true);
041        @Option(help = "", type = OptionType.Debug)
042        public static final NestedBooleanOptionValue LIROptNullCheckOptimizer = new NestedBooleanOptionValue(LIROptimization, true);
043        @Option(help = "Enables profiling of move types on LIR level. " +
044                       "Move types are for example stores (register to stack), " +
045                       "constant loads (constant to register) or copies (register to register).", type = OptionType.Debug)
046        public static final OptionValue<Boolean> LIRProfileMoves = new OptionValue<>(false);
047        // @formatter:on
048    }
049
050    public PostAllocationOptimizationStage() {
051        if (Options.LIROptEdgeMoveOptimizer.getValue()) {
052            appendPhase(new EdgeMoveOptimizer());
053        }
054        if (Options.LIROptControlFlowOptimizer.getValue()) {
055            appendPhase(new ControlFlowOptimizer());
056        }
057        if (Options.LIROptRedundantMoveElimination.getValue()) {
058            appendPhase(new RedundantMoveElimination());
059        }
060        if (Options.LIROptNullCheckOptimizer.getValue()) {
061            appendPhase(new NullCheckOptimizer());
062        }
063        if (Options.LIRProfileMoves.getValue()) {
064            appendPhase(new MoveProfiling());
065        }
066    }
067}