Gitiles
Code Review Sign In
gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / d3f876c93c9ce33899a9feca3c0e8de1a895008f / . / docs / Lexicon.html
blob: 81dbf4e91c67286ac618eff175cab22c46b5b234 [file] [log] [blame]
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2<html>
3<head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <title>The LLVM Lexicon</title>
6 <link rel="stylesheet" href="llvm.css" type="text/css">
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]7 <meta name="author" content="Various">
8 <meta name="description"
9 content="A glossary of terms used with the LLVM project.">
10</head>
11<body>
12<div class="doc_title">The LLVM Lexicon</div>
13<p class="doc_warning">NOTE: This document is a work in progress!</p>
14<!-- *********************************************************************** -->
15<div class="doc_section">Table Of Contents</div>
16<!-- *********************************************************************** -->
17<div class="doc_text">
18 <table>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]19 <tr><th colspan="8"><b>- <a href="#A">A</a> -</b></th></tr>
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]20 <tr>
21 <td><a href="#ADCE">ADCE</a></td>
22 <td></td>
23 <td></td>
24 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]25 <tr><th colspan="8"><b>- <a href="#B">B</a> -</b></th></tr>
Reid Spencerce6be332004-08-24 18:34:10 +0000[diff] [blame]26 <tr>
27 <td><a href="#BURS">BURS</a></td>
28 <td></td>
29 <td></td>
30 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]31 <tr><th colspan="8"><b>- <a href="#C">C</a> -</b></th></tr>
Reid Spencera07e0b52004-10-30 21:40:28 +0000[diff] [blame]32 <tr>
33 <td><a href="#CSE">CSE</a></td>
34 <td></td>
35 <td></td>
36 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]37 <tr><th colspan="8"><b>- <a href="#D">D</a> -</b></th></tr>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]38 <tr>
Misha Brukman9a4c9042004-09-05 03:00:20 +0000[diff] [blame]39 <td><a href="#DSA">DSA</a></td>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]40 <td><a href="#DSE">DSE</a></td>
41 <td></td>
42 <td></td>
43 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]44 <tr><th colspan="8"><b>- <a href="#I">I</a> -</b></th></tr>
Reid Spencera07e0b52004-10-30 21:40:28 +0000[diff] [blame]45 <tr>
46 <td><a href="#IPA">IPA</a></td>
47 <td><a href="#IPO">IPO</a></td>
48 <td></td>
49 <td></td>
50 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]51 <tr><th colspan="8"><b>- <a href="#L">L</a> -</b></th></tr>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]52 <tr>
53 <td><a href="#LICM">LICM</a></td>
Misha Brukman183cfc22004-08-24 04:13:17 +0000[diff] [blame]54 <td><a href="#Load-VN">Load-VN</a></td>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]55 <td></td>
Reid Spencera07e0b52004-10-30 21:40:28 +0000[diff] [blame]56 <td></td>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]57 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]58 <tr><th colspan="8"><b>- <a href="#P">P</a> -</b></th></tr>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]59 <tr>
60 <td><a href="#PRE">PRE</a></td>
61 <td></td>
62 <td></td>
63 </tr>
Reid Spencerd3f876c2004-11-01 08:19:36 +0000[diff] [blame^]64 <tr><th colspan="8"><b>- <a href="#S">S</a> -</b></th></tr>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]65 <tr>
66 <td><a href="#SCCP">SCCP</a></td>
67 <td><a href="#SSA">SSA</a></td>
68 <td></td>
69 </tr>
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]70 </table>
71</div>
72
73<!-- *********************************************************************** -->
74<div class="doc_section">Definitions</div>
75<!-- *********************************************************************** -->
76<!-- _______________________________________________________________________ -->
77<div class="doc_subsection"><a name="A">- A -</a></div>
78<div class="doc_text">
79 <dl>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]80 <dt><a name="ADCE"><b>ADCE</b></a></dt>
81 <dd>Aggressive Dead Code Elimination</dd>
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]82 </dl>
83</div>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]84<!-- _______________________________________________________________________ -->
Reid Spencerce6be332004-08-24 18:34:10 +0000[diff] [blame]85<div class="doc_subsection"><a name="B">- B -</a></div>
86<div class="doc_text">
87 <dl>
88 <dt><a name="BURS"><b>BURS</b></a></dt>
Chris Lattnerc4985ba2004-08-24 18:53:39 +0000[diff] [blame]89 <dd>Bottom Up Rewriting System - A method of instruction selection for
90 code generation. An example is the <a
91href="http://www.program-transformation.org/Transform/BURG">BURG</a> tool.</dd>
Reid Spencerce6be332004-08-24 18:34:10 +0000[diff] [blame]92 </dl>
93</div>
94<!-- _______________________________________________________________________ -->
Reid Spencera07e0b52004-10-30 21:40:28 +0000[diff] [blame]95<div class="doc_subsection"><a name="C">- C -</a></div>
96<div class="doc_text">
97 <dl>
98 <dt><a name="CSE"><b>CSE</b></a></dt>
99 <dd>Common Subexpression Elimination. An optimization that removes common
100 subexpression compuation. For example <tt>(a+b)*(a+b)</tt> has two
101 subexpressions that are the same: <tt>(a+b)</tt>. This optimization would
102 perform the addition only once and then perform the multiply (but only if
103 its compulationally correct/safe).
104 </dl>
105</div>
106<!-- _______________________________________________________________________ -->
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]107<div class="doc_subsection"><a name="D">- D -</a></div>
108<div class="doc_text">
109 <dl>
Misha Brukman9a4c9042004-09-05 03:00:20 +0000[diff] [blame]110 <dt><a name="DSA"><b>DSA</b></a></dt>
Misha Brukman100bd712004-09-05 03:57:23 +0000[diff] [blame]111 <dd>Data Structure Analysis</dd>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]112 <dt><a name="DSE"><b>DSE</b></a></dt>
113 <dd>Dead Store Elimination</dd>
114 </dl>
115</div>
116<!-- _______________________________________________________________________ -->
Reid Spencera07e0b52004-10-30 21:40:28 +0000[diff] [blame]117<div class="doc_subsection"><a name="I">- I -</a></div>
118<div class="doc_text">
119 <dl>
120 <dt><a name="IPA"><b>IPA</b></a></dt>
121 <dd>Inter-Procedural Analysis. Refers to any variety of code analysis that
122 occurs between procedures, functions or compilation units (modules).</dd>
123 <dt><a name="IPO"><b>IPO</b></a></dt>
124 <dd>Inter-Procedural Optimization. Refers to any variety of code
125 optimization that occurs between procedures, functions or compilation units
126 (modules).</dd>
127 </dl>
128</div>
129<!-- _______________________________________________________________________ -->
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]130<div class="doc_subsection"><a name="L">- L -</a></div>
131<div class="doc_text">
132 <dl>
133 <dt><a name="LICM"><b>LICM</b></a></dt>
134 <dd>Loop Invariant Code Motion</dd>
Misha Brukman183cfc22004-08-24 04:13:17 +0000[diff] [blame]135 <dt><a name="Load-VN"><b>Load-VN</b></a></dt>
Misha Brukmanec8fe3c2004-08-24 01:57:02 +0000[diff] [blame]136 <dd>Load Value Numbering</dd>
137 </dl>
138</div>
139<!-- _______________________________________________________________________ -->
140<div class="doc_subsection"><a name="P">- P -</a></div>
141<div class="doc_text">
142 <dl>
143 <dt><a name="PRE"><b>PRE</b></a></dt>
144 <dd>Partial Redundancy Elimination</dd>
145 </dl>
146</div>
147<!-- _______________________________________________________________________ -->
148<div class="doc_subsection"><a name="S">- S -</a></div>
149<div class="doc_text">
150 <dl>
151 <dt><a name="SCCP"><b>SCCP</b></a></dt>
152 <dd>Sparse Conditional Constant Propagation
153 <dt><a name="SSA"><b>SSA</b></a></dt>
154 <dd>Static Single Assignment</dd>
155 </dl>
156</div>
Reid Spencer85baf762004-08-17 09:38:50 +0000[diff] [blame]157<!-- *********************************************************************** -->
158<hr>
159<address> <a href="http://jigsaw.w3.org/css-validator/check/referer"><img
160 src="http://jigsaw.w3.org/css-validator/images/vcss" alt="Valid CSS!"></a><a
161 href="http://validator.w3.org/check/referer"><img
162 src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01!"></a><a
163 href="http://llvm.org/">The LLVM Team</a><br>
164<a href="http://llvm.cs.uiuc.edu">The LLVM Compiler Infrastructure</a><br>
165Last modified: $Date$
166</address>
167<!-- vim: sw=2
168-->
169</body>
170</html>