Mercurial > hg > graal-compiler
view graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/inlining/walker/MethodInvocation.java @ 19250:8ab925a6f724
made Assumptions be part of a StructuredGraph
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 11 Feb 2015 10:13:08 +0100 |
parents | 10c12d09a8d2 |
children | b7477f2df553 |
line wrap: on
line source
/* * Copyright (c) 2011, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.phases.common.inlining.walker; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.phases.common.inlining.info.*; import com.oracle.graal.phases.common.inlining.info.elem.*; /** * <p> * An instance of this class denotes a callsite being analyzed for inlining. * </p> * <p> * Each element of the {@link InliningData} stack contains one such instance, the accompanying * {@link CallsiteHolder}s in that element represent feasible targets for the callsite in question. * </p> * * @see InliningData#moveForward() */ public class MethodInvocation { private final InlineInfo callee; private final double probability; private final double relevance; private int processedGraphs; /** * <p> * The immutable positions of freshly instantiated arguments (ie, positions in * <code>callee.invoke.callTarget.arguments</code>). * </p> * * <p> * A freshly instantiated argument is either: * <uL> * <li>an {@link InliningData#isFreshInstantiation(com.oracle.graal.nodes.ValueNode)}</li> * <li>a fixed-param of the graph containing the callsite (ie, of <code>callee.graph()</code> * that contains <code>callee.invoke</code>)</li> * </uL> * </p> * * <p> * Given those positions, the * {@link com.oracle.graal.phases.common.inlining.walker.CallsiteHolderExplorable} instantiated * in {@link #buildCallsiteHolderForElement(int)} can determine which of <i>its</i> parameters * are fixed. * </p> */ private final BitSet freshlyInstantiatedArguments; private final int sizeFreshArgs; public MethodInvocation(InlineInfo info, double probability, double relevance, BitSet freshlyInstantiatedArguments) { this.callee = info; this.probability = probability; this.relevance = relevance; this.freshlyInstantiatedArguments = freshlyInstantiatedArguments; this.sizeFreshArgs = freshlyInstantiatedArguments == null ? 0 : freshlyInstantiatedArguments.cardinality(); } public void incrementProcessedGraphs() { processedGraphs++; assert processedGraphs <= callee.numberOfMethods(); } public int processedGraphs() { assert processedGraphs <= callee.numberOfMethods(); return processedGraphs; } public int totalGraphs() { return callee.numberOfMethods(); } public InlineInfo callee() { return callee; } public double probability() { return probability; } public double relevance() { return relevance; } public boolean isRoot() { return callee == null; } public BitSet getFreshlyInstantiatedArguments() { return freshlyInstantiatedArguments; } public int getSizeFreshArgs() { return sizeFreshArgs; } public CallsiteHolder buildCallsiteHolderForElement(int index) { Inlineable elem = callee.inlineableElementAt(index); if (elem instanceof InlineableGraph) { InlineableGraph ig = (InlineableGraph) elem; final double invokeProbability = probability * callee.probabilityAt(index); final double invokeRelevance = relevance * callee.relevanceAt(index); return new CallsiteHolderExplorable(ig.getGraph(), invokeProbability, invokeRelevance, freshlyInstantiatedArguments); } else { assert elem instanceof InlineableMacroNode; return CallsiteHolderDummy.DUMMY_CALLSITE_HOLDER; } } @Override public String toString() { if (isRoot()) { return "<root>"; } CallTargetNode callTarget = callee.invoke().callTarget(); if (callTarget instanceof MethodCallTargetNode) { ResolvedJavaMethod calleeMethod = ((MethodCallTargetNode) callTarget).targetMethod(); return calleeMethod.format("Invoke#%H.%n(%p)"); } else { return "Invoke#" + callTarget.targetName(); } } }