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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/LoweringTool.java @ 19250:8ab925a6f724

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made Assumptions be part of a StructuredGraph
author Doug Simon <doug.simon@oracle.com>
date Wed, 11 Feb 2015 10:13:08 +0100
parents 1eeef8016b86
children 48c1ebd24120
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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.spi;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.nodes.*;
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27 import com.oracle.graal.nodes.extended.*;
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28
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29 public interface LoweringTool {
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30
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31 MetaAccessProvider getMetaAccess();
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32
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33 LoweringProvider getLowerer();
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34
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35 ConstantReflectionProvider getConstantReflection();
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36
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37 Replacements getReplacements();
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38
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39 StampProvider getStampProvider();
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40
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41 GuardingNode createGuard(FixedNode before, LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action);
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42
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43 GuardingNode createGuard(FixedNode before, LogicNode condition, DeoptimizationReason deoptReason, DeoptimizationAction action, boolean negated);
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44
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45 /**
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46 * Gets the closest fixed node preceding the node currently being lowered.
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47 */
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48 FixedWithNextNode lastFixedNode();
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49
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50 AnchoringNode getCurrentGuardAnchor();
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51
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52 /**
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53 * Marker interface lowering stages.
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54 */
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55 interface LoweringStage {
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56 }
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57
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58 /**
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59 * The lowering stages used in a standard Graal phase plan. Lowering is called 3 times, during
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60 * every tier of compilation.
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61 */
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62 enum StandardLoweringStage implements LoweringStage {
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63 HIGH_TIER,
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64 MID_TIER,
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65 LOW_TIER
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66 }
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67
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68 /**
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69 * Returns current lowering stage.
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70 */
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71 LoweringStage getLoweringStage();
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72 }