Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ReadUninitializedNode.java @ 13215:dca16b3416ab
Don't peel counted loops.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 03 Dec 2013 11:10:16 +0100 |
parents | 71991b7a0f14 |
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12752
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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1 /* |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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4 * |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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5 * This code is free software; you can redistribute it and/or modify it |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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6 * under the terms of the GNU General Public License version 2 only, as |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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7 * published by the Free Software Foundation. |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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8 * |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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13 * accompanied this code). |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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14 * |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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15 * You should have received a copy of the GNU General Public License version |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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18 * |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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20 * or visit www.oracle.com if you need additional information or have any |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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21 * questions. |
71991b7a0f14
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22 */ |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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23 package com.oracle.truffle.sl.nodes; |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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24 |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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25 import com.oracle.truffle.api.*; |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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26 import com.oracle.truffle.api.frame.*; |
71991b7a0f14
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27 import com.oracle.truffle.sl.runtime.*; |
71991b7a0f14
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28 |
71991b7a0f14
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29 public class ReadUninitializedNode extends TypedNode { |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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30 |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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31 private final SLContext context; |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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32 private final FrameSlot slot; |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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33 |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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34 public ReadUninitializedNode(SLContext context, FrameSlot slot) { |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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35 this.context = context; |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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36 this.slot = slot; |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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37 } |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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38 |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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39 public FrameSlot getSlot() { |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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40 return slot; |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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41 } |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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42 |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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43 @Override |
71991b7a0f14
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44 public Object executeGeneric(VirtualFrame frame) { |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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45 CompilerDirectives.transferToInterpreter(); |
71991b7a0f14
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46 Object result = frame.getValue(slot); |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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47 String identifier = (String) slot.getIdentifier(); |
71991b7a0f14
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48 if (result == null) { |
71991b7a0f14
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49 // function access |
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50 return replace(new ReadFunctionNode(context.getFunctionRegistry(), identifier)).executeGeneric(frame); |
71991b7a0f14
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51 } else { |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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52 // local variable access |
71991b7a0f14
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53 return replace(ReadLocalNodeFactory.create(slot)).executeGeneric(frame); |
71991b7a0f14
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54 } |
71991b7a0f14
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Christian Humer <christian.humer@gmail.com>
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55 } |
71991b7a0f14
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56 } |