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.phases.common.inlining.info;
024
025import java.util.*;
026
027import jdk.internal.jvmci.meta.*;
028
029import com.oracle.graal.graph.*;
030import com.oracle.graal.nodes.*;
031import com.oracle.graal.phases.common.*;
032import com.oracle.graal.phases.common.inlining.*;
033import com.oracle.graal.phases.common.inlining.info.elem.*;
034import com.oracle.graal.phases.tiers.*;
035
036public abstract class AbstractInlineInfo implements InlineInfo {
037
038    protected final Invoke invoke;
039
040    public AbstractInlineInfo(Invoke invoke) {
041        this.invoke = invoke;
042    }
043
044    @Override
045    public StructuredGraph graph() {
046        return invoke.asNode().graph();
047    }
048
049    @Override
050    public Invoke invoke() {
051        return invoke;
052    }
053
054    protected static Collection<Node> inline(Invoke invoke, ResolvedJavaMethod concrete, Inlineable inlineable, boolean receiverNullCheck) {
055        List<Node> canonicalizeNodes = new ArrayList<>();
056        assert inlineable instanceof InlineableGraph;
057        StructuredGraph calleeGraph = ((InlineableGraph) inlineable).getGraph();
058        Map<Node, Node> duplicateMap = InliningUtil.inline(invoke, calleeGraph, receiverNullCheck, canonicalizeNodes);
059        getInlinedParameterUsages(canonicalizeNodes, calleeGraph, duplicateMap);
060
061        StructuredGraph graph = invoke.asNode().graph();
062        graph.recordInlinedMethod(concrete);
063        return canonicalizeNodes;
064    }
065
066    public static void getInlinedParameterUsages(Collection<Node> parameterUsages, StructuredGraph calleeGraph, Map<Node, Node> duplicateMap) {
067        for (ParameterNode parameter : calleeGraph.getNodes(ParameterNode.TYPE)) {
068            for (Node usage : parameter.usages()) {
069                Node node = duplicateMap.get(usage);
070                if (node != null && node.isAlive()) {
071                    parameterUsages.add(node);
072                }
073            }
074        }
075    }
076
077    public final void populateInlinableElements(HighTierContext context, StructuredGraph caller, CanonicalizerPhase canonicalizer) {
078        for (int i = 0; i < numberOfMethods(); i++) {
079            Inlineable elem = Inlineable.getInlineableElement(methodAt(i), invoke, context, canonicalizer);
080            setInlinableElement(i, elem);
081        }
082    }
083
084    public final int determineNodeCount() {
085        int nodes = 0;
086        for (int i = 0; i < numberOfMethods(); i++) {
087            Inlineable elem = inlineableElementAt(i);
088            if (elem != null) {
089                nodes += elem.getNodeCount();
090            }
091        }
092        return nodes;
093    }
094}