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171 lines
6.0 KiB
HTML
171 lines
6.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>The LLVM Lexicon</title>
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<link rel="stylesheet" href="llvm.css" type="text/css">
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<meta name="author" content="Various">
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<meta name="description"
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content="A glossary of terms used with the LLVM project.">
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</head>
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<body>
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<div class="doc_title">The LLVM Lexicon</div>
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<p class="doc_warning">NOTE: This document is a work in progress!</p>
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<!-- *********************************************************************** -->
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<div class="doc_section">Table Of Contents</div>
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<!-- *********************************************************************** -->
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<div class="doc_text">
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<table>
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<tr><th colspan="8"><b>- <a href="#A">A</a> -</b></th></tr>
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<tr>
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<td><a href="#ADCE">ADCE</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#B">B</a> -</b></th></tr>
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<tr>
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<td><a href="#BURS">BURS</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#C">C</a> -</b></th></tr>
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<tr>
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<td><a href="#CSE">CSE</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#D">D</a> -</b></th></tr>
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<tr>
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<td><a href="#DSA">DSA</a></td>
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<td><a href="#DSE">DSE</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#I">I</a> -</b></th></tr>
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<tr>
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<td><a href="#IPA">IPA</a></td>
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<td><a href="#IPO">IPO</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#L">L</a> -</b></th></tr>
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<tr>
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<td><a href="#LICM">LICM</a></td>
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<td><a href="#Load-VN">Load-VN</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#P">P</a> -</b></th></tr>
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<tr>
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<td><a href="#PRE">PRE</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr><th colspan="8"><b>- <a href="#S">S</a> -</b></th></tr>
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<tr>
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<td><a href="#SCCP">SCCP</a></td>
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<td><a href="#SSA">SSA</a></td>
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<td></td>
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</tr>
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</table>
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</div>
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<!-- *********************************************************************** -->
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<div class="doc_section">Definitions</div>
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<!-- *********************************************************************** -->
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="A">- A -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="ADCE"><b>ADCE</b></a></dt>
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<dd>Aggressive Dead Code Elimination</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="B">- B -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="BURS"><b>BURS</b></a></dt>
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<dd>Bottom Up Rewriting System - A method of instruction selection for
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code generation. An example is the <a
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href="http://www.program-transformation.org/Transform/BURG">BURG</a> tool.</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="C">- C -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="CSE"><b>CSE</b></a></dt>
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<dd>Common Subexpression Elimination. An optimization that removes common
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subexpression compuation. For example <tt>(a+b)*(a+b)</tt> has two
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subexpressions that are the same: <tt>(a+b)</tt>. This optimization would
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perform the addition only once and then perform the multiply (but only if
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its compulationally correct/safe).
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="D">- D -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="DSA"><b>DSA</b></a></dt>
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<dd>Data Structure Analysis</dd>
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<dt><a name="DSE"><b>DSE</b></a></dt>
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<dd>Dead Store Elimination</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="I">- I -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="IPA"><b>IPA</b></a></dt>
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<dd>Inter-Procedural Analysis. Refers to any variety of code analysis that
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occurs between procedures, functions or compilation units (modules).</dd>
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<dt><a name="IPO"><b>IPO</b></a></dt>
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<dd>Inter-Procedural Optimization. Refers to any variety of code
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optimization that occurs between procedures, functions or compilation units
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(modules).</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="L">- L -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="LICM"><b>LICM</b></a></dt>
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<dd>Loop Invariant Code Motion</dd>
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<dt><a name="Load-VN"><b>Load-VN</b></a></dt>
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<dd>Load Value Numbering</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="P">- P -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="PRE"><b>PRE</b></a></dt>
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<dd>Partial Redundancy Elimination</dd>
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</dl>
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</div>
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsection"><a name="S">- S -</a></div>
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<div class="doc_text">
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<dl>
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<dt><a name="SCCP"><b>SCCP</b></a></dt>
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<dd>Sparse Conditional Constant Propagation
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<dt><a name="SSA"><b>SSA</b></a></dt>
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<dd>Static Single Assignment</dd>
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</dl>
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</div>
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<!-- *********************************************************************** -->
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<hr>
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<address> <a href="http://jigsaw.w3.org/css-validator/check/referer"><img
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src="http://jigsaw.w3.org/css-validator/images/vcss" alt="Valid CSS!"></a><a
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src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01!"></a><a
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href="http://llvm.cs.uiuc.edu/">The LLVM Team</a><br>
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<a href="http://llvm.cs.uiuc.edu">The LLVM Compiler Infrastructure</a><br>
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Last modified: $Date$
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