1 /* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.replacements; 24 25 import static org.graalvm.compiler.core.common.GraalOptions.TrivialInliningSize; 26 import static org.graalvm.compiler.java.BytecodeParserOptions.InlineDuringParsingMaxDepth; 27 import static org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo.createStandardInlineInfo; 28 29 import org.graalvm.compiler.nodes.ValueNode; 30 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; 31 import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin; 32 33 import jdk.vm.ci.meta.ResolvedJavaMethod; 34 35 public final class InlineDuringParsingPlugin implements InlineInvokePlugin { 36 37 @Override 38 public InlineInfo shouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { 39 // @formatter:off 40 if (method.hasBytecodes() && 41 method.getDeclaringClass().isLinked() && 42 method.canBeInlined()) { 43 44 // Test force inlining first 45 if (method.shouldBeInlined()) { 46 return createStandardInlineInfo(method); 47 } 48 49 if (!method.isSynchronized() && 50 checkSize(method, args) && 51 b.getDepth() < InlineDuringParsingMaxDepth.getValue()) { 52 return createStandardInlineInfo(method); 53 } 54 } 55 // @formatter:on 56 return null; 57 } 58 59 private static boolean checkSize(ResolvedJavaMethod method, ValueNode[] args) { 60 int bonus = 1; 61 for (ValueNode v : args) { 62 if (v.isConstant()) { 63 bonus++; 64 } 65 } 66 return method.getCode().length <= TrivialInliningSize.getValue() * bonus; 67 } 68 }