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<a class = mltona href="Home">MLton 20061025</a>
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RemoveUnused
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RemoveUnused is an optimization pass for both the <a href="SSA">SSA</a> and <a href="SSA2">SSA2</a> <a href="IntermediateLanguage">IntermediateLanguage</a>s, invoked from <a href="SSASimplify">SSASimplify</a> and <a href="SSA2Simplify">SSA2Simplify</a>. <h2 id="head-55f8ebc805e65b5b71ddafdae390e3be2bcd69af">Description</h2>
<p>
This pass aggressively removes unused:
</p>
<ul>
<li>
<p>
datatypes
</p>
</li>
<li>
<p>
datatype constructors
</p>
</li>
<li>
<p>
datatype constructor arguments
</p>
</li>
<li>
<p>
functions
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</li>
<li>
<p>
function arguments
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</li>
<li>
<p>
function returns
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<p>
blocks
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<li>
<p>
block arguments
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</li>
<li>
<p>
statements (variable bindings)
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</li>
<li>
<p>
handlers from non-tail calls (mayRaise analysis)
</p>
</li>
<li>
<p>
continuations from non-tail calls (mayReturn analysis)
</p>
</li>
</ul>
<h2 id="head-8781d615fd77be9578225c40ac67b9471394cced">Implementation</h2>
<p>
<a href = "http://mlton.org/cgi-bin/viewsvn.cgi/mlton/tags/on-20061025-release/mlton/ssa/remove-unused.sig?view=markup"><img src="moin-www.png" alt="[WWW]" height="11" width="11">remove-unused.sig</a>
<a href = "http://mlton.org/cgi-bin/viewsvn.cgi/mlton/tags/on-20061025-release/mlton/ssa/remove-unused.fun?view=markup"><img src="moin-www.png" alt="[WWW]" height="11" width="11">remove-unused.fun</a>
<a href = "http://mlton.org/cgi-bin/viewsvn.cgi/mlton/tags/on-20061025-release/mlton/ssa/remove-unused2.sig?view=markup"><img src="moin-www.png" alt="[WWW]" height="11" width="11">remove-unused2.sig</a>
<a href = "http://mlton.org/cgi-bin/viewsvn.cgi/mlton/tags/on-20061025-release/mlton/ssa/remove-unused2.fun?view=markup"><img src="moin-www.png" alt="[WWW]" height="11" width="11">remove-unused2.fun</a>
</p>
<h2 id="head-35ec00231a68203708e39f0e2cc10b50c6bf62de">Details and Notes</h2>
</div>
<p>
<hr>
Last edited on 2005-12-02 01:03:46 by <span title="ppp-71-139-183-221.dsl.snfc21.pacbell.net"><a href="StephenWeeks">StephenWeeks</a></span>.
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