doc/guide/localhost/Inline

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  22 <a href="./Home">MLton 20180207</a>
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  26 <h1>Inline</h1>
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  29 <div id="preamble">
  30 <div class="sectionbody">
  31 <div class="paragraph"><p><a href="Inline">Inline</a> is an optimization pass for the <a href="SSA">SSA</a>
  32 <a href="IntermediateLanguage">IntermediateLanguage</a>, invoked from <a href="SSASimplify">SSASimplify</a>.</p></div>
  33 </div>
  34 </div>
  35 <div class="sect1">
  36 <h2 id="_description">Description</h2>
  37 <div class="sectionbody">
  38 <div class="paragraph"><p>This pass inlines <a href="SSA">SSA</a> functions using a size-based metric.</p></div>
  39 </div>
  40 </div>
  41 <div class="sect1">
  42 <h2 id="_implementation">Implementation</h2>
  43 <div class="sectionbody">
  44 <div class="ulist"><ul>
  45 <li>
  46 <p>
  47 <a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/inline.sig"><span class="monospaced">inline.sig</span></a>
  48 </p>
  49 </li>
  50 <li>
  51 <p>
  52 <a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/inline.fun"><span class="monospaced">inline.fun</span></a>
  53 </p>
  54 </li>
  55 </ul></div>
  56 </div>
  57 </div>
  58 <div class="sect1">
  59 <h2 id="_details_and_notes">Details and Notes</h2>
  60 <div class="sectionbody">
  61 <div class="paragraph"><p>The <a href="Inline">Inline</a> pass can be invoked to use one of three metrics:</p></div>
  62 <div class="ulist"><ul>
  63 <li>
  64 <p>
  65 <span class="monospaced">NonRecursive(product, small)</span>&#8201;&#8212;&#8201;inline any function satisfying <span class="monospaced">(numCalls - 1) * (size - small) &lt;= product</span>, where <span class="monospaced">numCalls</span> is the static number of calls to the function and <span class="monospaced">size</span> is the size of the function.
  66 </p>
  67 </li>
  68 <li>
  69 <p>
  70 <span class="monospaced">Leaf(size)</span>&#8201;&#8212;&#8201;inline any leaf function smaller than <span class="monospaced">size</span>
  71 </p>
  72 </li>
  73 <li>
  74 <p>
  75 <span class="monospaced">LeafNoLoop(size)</span>&#8201;&#8212;&#8201;inline any leaf function without loops smaller than <span class="monospaced">size</span>
  76 </p>
  77 </li>
  78 </ul></div>
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