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<h1>Polyvariance</h1>
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<div class="paragraph"><p>Polyvariance is an optimization pass for the <a href="SXML">SXML</a>
<a href="IntermediateLanguage">IntermediateLanguage</a>, invoked from <a href="SXMLSimplify">SXMLSimplify</a>.</p></div>
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<h2 id="_description">Description</h2>
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<div class="paragraph"><p>This pass duplicates a higher-order, <span class="monospaced">let</span> bound function at each
variable reference, if the cost is smaller than some threshold.</p></div>
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<h2 id="_implementation">Implementation</h2>
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<a href="https://github.com/MLton/mlton/blob/master/mlton/xml/polyvariance.fun"><span class="monospaced">polyvariance.fun</span></a>
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<h2 id="_details_and_notes">Details and Notes</h2>
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