1 /* 2 * Copyright (c) 2009, 2016, 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.java; 24 25 import org.graalvm.compiler.core.common.spi.ConstantFieldProvider; 26 import org.graalvm.compiler.nodes.StructuredGraph; 27 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 28 import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext; 29 import org.graalvm.compiler.nodes.spi.StampProvider; 30 import org.graalvm.compiler.phases.BasePhase; 31 import org.graalvm.compiler.phases.OptimisticOptimizations; 32 import org.graalvm.compiler.phases.tiers.HighTierContext; 33 34 import jdk.vm.ci.meta.ConstantReflectionProvider; 35 import jdk.vm.ci.meta.MetaAccessProvider; 36 import jdk.vm.ci.meta.ResolvedJavaMethod; 37 38 /** 39 * Parses the bytecodes of a method and builds the IR graph. 40 */ 41 public class GraphBuilderPhase extends BasePhase<HighTierContext> { 42 43 private final GraphBuilderConfiguration graphBuilderConfig; 44 45 public GraphBuilderPhase(GraphBuilderConfiguration config) { 46 this.graphBuilderConfig = config; 47 } 48 49 @Override 50 public boolean checkContract() { 51 return false; 52 } 53 54 @Override 55 protected void run(StructuredGraph graph, HighTierContext context) { 56 new Instance(context.getMetaAccess(), context.getStampProvider(), context.getConstantReflection(), context.getConstantFieldProvider(), graphBuilderConfig, context.getOptimisticOptimizations(), 57 null).run(graph); 58 } 59 60 public GraphBuilderConfiguration getGraphBuilderConfig() { 61 return graphBuilderConfig; 62 } 63 64 // Fully qualified name is a workaround for JDK-8056066 65 public static class Instance extends org.graalvm.compiler.phases.Phase { 66 67 protected final MetaAccessProvider metaAccess; 68 protected final StampProvider stampProvider; 69 protected final ConstantReflectionProvider constantReflection; 70 protected final ConstantFieldProvider constantFieldProvider; 71 protected final GraphBuilderConfiguration graphBuilderConfig; 72 protected final OptimisticOptimizations optimisticOpts; 73 private final IntrinsicContext initialIntrinsicContext; 74 75 public Instance(MetaAccessProvider metaAccess, StampProvider stampProvider, ConstantReflectionProvider constantReflection, ConstantFieldProvider constantFieldProvider, 76 GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts, IntrinsicContext initialIntrinsicContext) { 77 this.graphBuilderConfig = graphBuilderConfig; 78 this.optimisticOpts = optimisticOpts; 79 this.metaAccess = metaAccess; 80 this.stampProvider = stampProvider; 81 this.constantReflection = constantReflection; 82 this.constantFieldProvider = constantFieldProvider; 83 this.initialIntrinsicContext = initialIntrinsicContext; 84 } 85 86 @Override 87 public boolean checkContract() { 88 return false; 89 } 90 91 @Override 92 protected void run(StructuredGraph graph) { 93 createBytecodeParser(graph, null, graph.method(), graph.getEntryBCI(), initialIntrinsicContext).buildRootMethod(); 94 } 95 96 /* Hook for subclasses of Instance to provide a subclass of BytecodeParser. */ 97 protected BytecodeParser createBytecodeParser(StructuredGraph graph, BytecodeParser parent, ResolvedJavaMethod method, int entryBCI, IntrinsicContext intrinsicContext) { 98 return new BytecodeParser(this, graph, parent, method, entryBCI, intrinsicContext); 99 } 100 } 101 }