1 /* 2 * Copyright (c) 2009, 2018, 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 24 25 package org.graalvm.compiler.java; 26 27 import org.graalvm.compiler.nodes.StructuredGraph; 28 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 29 import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext; 30 import org.graalvm.compiler.nodes.spi.CoreProviders; 31 import org.graalvm.compiler.phases.BasePhase; 32 import org.graalvm.compiler.phases.OptimisticOptimizations; 33 import org.graalvm.compiler.phases.tiers.HighTierContext; 34 35 import jdk.vm.ci.meta.ResolvedJavaMethod; 36 37 /** 38 * Parses the bytecodes of a method and builds the IR graph. 39 */ 40 public class GraphBuilderPhase extends BasePhase<HighTierContext> { 41 42 private final GraphBuilderConfiguration graphBuilderConfig; 43 44 public GraphBuilderPhase(GraphBuilderConfiguration config) { 45 this.graphBuilderConfig = config; 46 } 47 48 @Override 49 public boolean checkContract() { 50 return false; 51 } 52 53 @Override 54 protected void run(StructuredGraph graph, HighTierContext context) { 55 new Instance(context, graphBuilderConfig, context.getOptimisticOptimizations(), null).run(graph); 56 } 57 58 public GraphBuilderConfiguration getGraphBuilderConfig() { 59 return graphBuilderConfig; 60 } 61 62 // Fully qualified name is a workaround for JDK-8056066 63 public static class Instance extends org.graalvm.compiler.phases.Phase { 64 65 protected final CoreProviders providers; 66 protected final GraphBuilderConfiguration graphBuilderConfig; 67 protected final OptimisticOptimizations optimisticOpts; 68 private final IntrinsicContext initialIntrinsicContext; 69 70 public Instance(CoreProviders providers, GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts, IntrinsicContext initialIntrinsicContext) { 71 this.graphBuilderConfig = graphBuilderConfig; 72 this.optimisticOpts = optimisticOpts; 73 this.providers = providers; 74 this.initialIntrinsicContext = initialIntrinsicContext; 75 } 76 77 @Override 78 public boolean checkContract() { 79 return false; 80 } 81 82 @Override 83 protected void run(StructuredGraph graph) { 84 createBytecodeParser(graph, null, graph.method(), graph.getEntryBCI(), initialIntrinsicContext).buildRootMethod(); 85 } 86 87 /* Hook for subclasses of Instance to provide a subclass of BytecodeParser. */ 88 protected BytecodeParser createBytecodeParser(StructuredGraph graph, BytecodeParser parent, ResolvedJavaMethod method, int entryBCI, IntrinsicContext intrinsicContext) { 89 return new BytecodeParser(this, graph, parent, method, entryBCI, intrinsicContext); 90 } 91 } 92 }