| /* |
| * 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 org.graalvm.compiler.phases.common.inlining.policy; |
| |
| import static org.graalvm.compiler.phases.common.inlining.InliningPhase.Options.AlwaysInlineIntrinsics; |
| |
| import java.util.Map; |
| |
| import org.graalvm.compiler.nodes.Invoke; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.nodes.spi.Replacements; |
| import org.graalvm.compiler.phases.common.inlining.InliningUtil; |
| import org.graalvm.compiler.phases.common.inlining.info.InlineInfo; |
| import org.graalvm.compiler.phases.common.inlining.info.elem.Inlineable; |
| |
| import jdk.vm.ci.meta.ProfilingInfo; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public abstract class AbstractInliningPolicy implements InliningPolicy { |
| public static final float RelevanceCapForInlining = 1.0f; |
| public static final float CapInheritedRelevance = 1.0f; |
| protected final Map<Invoke, Double> hints; |
| |
| public AbstractInliningPolicy(Map<Invoke, Double> hints) { |
| this.hints = hints; |
| } |
| |
| protected double computeMaximumSize(double relevance, int configuredMaximum) { |
| double inlineRatio = Math.min(RelevanceCapForInlining, relevance); |
| return configuredMaximum * inlineRatio; |
| } |
| |
| protected double getInliningBonus(InlineInfo info) { |
| if (hints != null && hints.containsKey(info.invoke())) { |
| return hints.get(info.invoke()); |
| } |
| return 1; |
| } |
| |
| protected boolean isIntrinsic(Replacements replacements, InlineInfo info) { |
| if (AlwaysInlineIntrinsics.getValue()) { |
| return onlyIntrinsics(replacements, info); |
| } else { |
| return onlyForcedIntrinsics(replacements, info); |
| } |
| } |
| |
| private static boolean onlyIntrinsics(Replacements replacements, InlineInfo info) { |
| for (int i = 0; i < info.numberOfMethods(); i++) { |
| if (!InliningUtil.canIntrinsify(replacements, info.methodAt(i), info.invoke().bci())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private static boolean onlyForcedIntrinsics(Replacements replacements, InlineInfo info) { |
| for (int i = 0; i < info.numberOfMethods(); i++) { |
| if (!InliningUtil.canIntrinsify(replacements, info.methodAt(i), info.invoke().bci())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| protected static int previousLowLevelGraphSize(InlineInfo info) { |
| int size = 0; |
| for (int i = 0; i < info.numberOfMethods(); i++) { |
| ResolvedJavaMethod m = info.methodAt(i); |
| ProfilingInfo profile = info.graph().getProfilingInfo(m); |
| int compiledGraphSize = profile.getCompilerIRSize(StructuredGraph.class); |
| if (compiledGraphSize > 0) { |
| size += compiledGraphSize; |
| } |
| } |
| return size; |
| } |
| |
| protected static double determineInvokeProbability(InlineInfo info) { |
| double invokeProbability = 0; |
| for (int i = 0; i < info.numberOfMethods(); i++) { |
| Inlineable callee = info.inlineableElementAt(i); |
| Iterable<Invoke> invokes = callee.getInvokes(); |
| if (invokes.iterator().hasNext()) { |
| for (Invoke invoke : invokes) { |
| invokeProbability += callee.getProbability(invoke); |
| } |
| } |
| } |
| return invokeProbability; |
| } |
| } |