Mercurial > hg > truffle
view graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/inlining/policy/AbstractInliningPolicy.java @ 21543:93c50cefb9e8
moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 May 2015 23:30:34 +0200 |
parents | 43c2b3eb3d6d |
children | 48c1ebd24120 |
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/* * 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.policy; import static com.oracle.graal.phases.common.inlining.InliningPhase.Options.*; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.phases.common.inlining.*; import com.oracle.graal.phases.common.inlining.info.*; import com.oracle.graal.phases.common.inlining.info.elem.*; 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 = m.getProfilingInfo(); 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; } }