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<h1>Multi</h1>
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<div class="paragraph"><p><a href="Multi">Multi</a> is an analysis pass for the <a href="SSA">SSA</a>
<a href="IntermediateLanguage">IntermediateLanguage</a>, invoked from <a href="ConstantPropagation">ConstantPropagation</a> and
<a href="LocalRef">LocalRef</a>.</p></div>
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<h2 id="_description">Description</h2>
<div class="sectionbody">
<div class="paragraph"><p>This pass analyzes the control flow of a <a href="SSA">SSA</a> program to determine
which <a href="SSA">SSA</a> functions and blocks might be executed more than once or
by more than one thread. It also determines when a program uses
threads and when functions and blocks directly or indirectly invoke
<span class="monospaced">Thread_copyCurrent</span>.</p></div>
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<div class="sect1">
<h2 id="_implementation">Implementation</h2>
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<div class="ulist"><ul>
<li>
<p>
<a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/multi.sig"><span class="monospaced">multi.sig</span></a>
</p>
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<p>
<a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/multi.fun"><span class="monospaced">multi.fun</span></a>
</p>
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<h2 id="_details_and_notes">Details and Notes</h2>
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<div class="paragraph"><p></p></div>
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