Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/StoreFieldNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | 845e881ce054 |
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/* * Copyright (c) 2009, 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.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.virtual.*; /** * The {@code StoreFieldNode} represents a write to a static or instance field. */ @NodeInfo(nameTemplate = "StoreField#{p#field/s}") public class StoreFieldNode extends AccessFieldNode implements StateSplit, VirtualizableRoot { @Input ValueNode value; @OptionalInput(InputType.State) FrameState stateAfter; public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } public boolean hasSideEffect() { return true; } public ValueNode value() { return value; } /** * Creates a new StoreFieldNode. * * @param object the receiver object * @param field the compiler interface field * @param value the node representing the value to store to the field */ public static StoreFieldNode create(ValueNode object, ResolvedJavaField field, ValueNode value) { return USE_GENERATED_NODES ? new StoreFieldNodeGen(object, field, value) : new StoreFieldNode(object, field, value); } StoreFieldNode(ValueNode object, ResolvedJavaField field, ValueNode value) { super(StampFactory.forVoid(), object, field); this.value = value; } public static StoreFieldNode create(ValueNode object, ResolvedJavaField field, ValueNode value, FrameState stateAfter) { return USE_GENERATED_NODES ? new StoreFieldNodeGen(object, field, value, stateAfter) : new StoreFieldNode(object, field, value, stateAfter); } StoreFieldNode(ValueNode object, ResolvedJavaField field, ValueNode value, FrameState stateAfter) { super(StampFactory.forVoid(), object, field); this.value = value; this.stateAfter = stateAfter; } @Override public void virtualize(VirtualizerTool tool) { State state = tool.getObjectState(object()); if (state != null && state.getState() == EscapeState.Virtual) { int fieldIndex = ((VirtualInstanceNode) state.getVirtualObject()).fieldIndex(field()); if (fieldIndex != -1) { tool.setVirtualEntry(state, fieldIndex, value(), false); tool.delete(); } } } public FrameState getState() { return stateAfter; } }