| /* |
| * Copyright (c) 2013, 2014, 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 org.graalvm.compiler.phases.common.inlining.info; |
| |
| import java.util.Collection; |
| |
| import org.graalvm.compiler.graph.Node; |
| import org.graalvm.compiler.nodes.Invoke; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.phases.common.CanonicalizerPhase; |
| import org.graalvm.compiler.phases.common.inlining.info.elem.Inlineable; |
| import org.graalvm.compiler.phases.tiers.HighTierContext; |
| import org.graalvm.compiler.phases.util.Providers; |
| |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| /** |
| * Represents an opportunity for inlining at a given invoke, with the given weight and level. The |
| * weight is the amortized weight of the additional code - so smaller is better. The level is the |
| * number of nested inlinings that lead to this invoke. |
| */ |
| public interface InlineInfo { |
| |
| /** |
| * The graph containing the {@link #invoke() invocation} that may be inlined. |
| */ |
| StructuredGraph graph(); |
| |
| /** |
| * The invocation that may be inlined. |
| */ |
| Invoke invoke(); |
| |
| /** |
| * Returns the number of methods that may be inlined by the {@link #invoke() invocation}. This |
| * may be more than one in the case of a invocation profile showing a number of "hot" concrete |
| * methods dispatched to by the invocation. |
| */ |
| int numberOfMethods(); |
| |
| ResolvedJavaMethod methodAt(int index); |
| |
| Inlineable inlineableElementAt(int index); |
| |
| double probabilityAt(int index); |
| |
| double relevanceAt(int index); |
| |
| void setInlinableElement(int index, Inlineable inlineableElement); |
| |
| /** |
| * Performs the inlining described by this object and returns the node that represents the |
| * return value of the inlined method (or null for void methods and methods that have no |
| * non-exceptional exit). |
| * |
| * @return a collection of nodes that need to be canonicalized after the inlining |
| */ |
| Collection<Node> inline(Providers providers); |
| |
| /** |
| * Try to make the call static bindable to avoid interface and virtual method calls. |
| */ |
| void tryToDevirtualizeInvoke(Providers providers); |
| |
| boolean shouldInline(); |
| |
| void populateInlinableElements(HighTierContext context, StructuredGraph caller, CanonicalizerPhase canonicalizer); |
| |
| int determineNodeCount(); |
| } |