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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/OrNode.java @ 18646:290dc460feb3

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use better types to simplify instantiation of Serializable lambdas
author Doug Simon <doug.simon@oracle.com>
date Mon, 08 Dec 2014 20:41:28 +0100
parents 47263ffe47bd
children f57d86eb036f
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1 /*
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2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.nodes.calc;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.compiler.common.type.*;
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28 import com.oracle.graal.compiler.common.type.ArithmeticOpTable.BinaryOp.Or;
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29 import com.oracle.graal.graph.spi.*;
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30 import com.oracle.graal.lir.gen.*;
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31 import com.oracle.graal.nodeinfo.*;
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32 import com.oracle.graal.nodes.*;
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33 import com.oracle.graal.nodes.spi.*;
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34 import com.oracle.graal.nodes.util.*;
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35
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36 @NodeInfo(shortName = "|")
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37 public class OrNode extends BinaryArithmeticNode<Or> {
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38
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39 public static OrNode create(ValueNode x, ValueNode y) {
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40 return new OrNode(x, y);
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41 }
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42
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43 protected OrNode(ValueNode x, ValueNode y) {
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44 super(ArithmeticOpTable::getOr, x, y);
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45 }
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46
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47 @Override
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48 public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
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49 ValueNode ret = super.canonical(tool, forX, forY);
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50 if (ret != this) {
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51 return ret;
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52 }
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53
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54 if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) {
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55 return forX;
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56 }
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57 if (forX.isConstant() && !forY.isConstant()) {
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58 return create(forY, forX);
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59 }
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60 if (forY.isConstant()) {
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61 Constant c = forY.asConstant();
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62 if (getOp(forX, forY).isNeutral(c)) {
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63 return forX;
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64 }
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65
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66 if (c instanceof PrimitiveConstant && ((PrimitiveConstant) c).getKind().isNumericInteger()) {
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67 long rawY = ((PrimitiveConstant) c).asLong();
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68 long mask = CodeUtil.mask(PrimitiveStamp.getBits(stamp()));
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69 if ((rawY & mask) == mask) {
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70 return ConstantNode.forIntegerStamp(stamp(), mask);
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71 }
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72 }
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73 return reassociate(this, ValueNode.isConstantPredicate(), forX, forY);
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74 }
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75 return this;
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76 }
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78 @Override
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79 public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) {
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80 builder.setResult(this, gen.emitOr(builder.operand(getX()), builder.operand(getY())));
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81 }
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82 }