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.alloc.lsra.ssi;
024
025import java.util.*;
026
027import jdk.internal.jvmci.code.*;
028
029import com.oracle.graal.compiler.common.alloc.*;
030import com.oracle.graal.compiler.common.cfg.*;
031import com.oracle.graal.lir.alloc.lsra.*;
032import com.oracle.graal.lir.alloc.lsra.ssa.*;
033import com.oracle.graal.lir.gen.*;
034import com.oracle.graal.lir.gen.LIRGeneratorTool.SpillMoveFactory;
035import com.oracle.graal.lir.ssi.*;
036
037public final class SSILinearScan extends LinearScan {
038
039    public SSILinearScan(TargetDescription target, LIRGenerationResult res, SpillMoveFactory spillMoveFactory, RegisterAllocationConfig regAllocConfig,
040                    List<? extends AbstractBlockBase<?>> sortedBlocks) {
041        super(target, res, spillMoveFactory, regAllocConfig, sortedBlocks);
042    }
043
044    @Override
045    protected <B extends AbstractBlockBase<B>> void allocate(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder,
046                    SpillMoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig) {
047        assert SSIVerifier.verify(lirGenRes.getLIR()) : "LIR not in SSI form.";
048        super.allocate(target, lirGenRes, codeEmittingOrder, linearScanOrder, spillMoveFactory, registerAllocationConfig);
049    }
050
051    @Override
052    protected MoveResolver createMoveResolver() {
053        SSAMoveResolver moveResolver = new SSAMoveResolver(this);
054        assert moveResolver.checkEmpty();
055        return moveResolver;
056    }
057
058    @Override
059    protected LinearScanLifetimeAnalysisPhase createLifetimeAnalysisPhase() {
060        return new SSILinearScanLifetimeAnalysisPhase(this);
061    }
062
063    @Override
064    protected LinearScanResolveDataFlowPhase createResolveDataFlowPhase() {
065        return new SSILinearScanResolveDataFlowPhase(this);
066    }
067
068    @Override
069    protected LinearScanEliminateSpillMovePhase createSpillMoveEliminationPhase() {
070        return new SSILinearScanEliminateSpillMovePhase(this);
071    }
072}