Import Upstream version 20180207
[hcoop/debian/mlton.git] / doc / guide / localhost / RSSAShrink
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6<title>RSSAShrink</title>\r
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22<a href="./Home">MLton 20180207</a>\r
23</div>\r
24</div>\r
25<div id="header">\r
26<h1>RSSAShrink</h1>\r
27</div>\r
28<div id="content">\r
29<div id="preamble">\r
30<div class="sectionbody">\r
31<div class="paragraph"><p><a href="RSSAShrink">RSSAShrink</a> is an optimization pass for the <a href="RSSA">RSSA</a>\r
32<a href="IntermediateLanguage">IntermediateLanguage</a>.</p></div>\r
33</div>\r
34</div>\r
35<div class="sect1">\r
36<h2 id="_description">Description</h2>\r
37<div class="sectionbody">\r
38<div class="paragraph"><p>This pass implements a whole family of compile-time reductions, like:</p></div>\r
39<div class="ulist"><ul>\r
40<li>\r
41<p>\r
42constant folding, copy propagation\r
43</p>\r
44</li>\r
45<li>\r
46<p>\r
47inline the <span class="monospaced">Goto</span> to a block with a unique predecessor\r
48</p>\r
49</li>\r
50</ul></div>\r
51</div>\r
52</div>\r
53<div class="sect1">\r
54<h2 id="_implementation">Implementation</h2>\r
55<div class="sectionbody">\r
56<div class="ulist"><ul>\r
57<li>\r
58<p>\r
59<a href="https://github.com/MLton/mlton/blob/master/mlton/backend/rssa.fun"><span class="monospaced">rssa.fun</span></a>\r
60</p>\r
61</li>\r
62</ul></div>\r
63</div>\r
64</div>\r
65<div class="sect1">\r
66<h2 id="_details_and_notes">Details and Notes</h2>\r
67<div class="sectionbody">\r
68<div class="paragraph"><p></p></div>\r
69</div>\r
70</div>\r
71</div>\r
72<div id="footnotes"><hr></div>\r
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