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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - SLP Vectorizer: Partial Tree Vectorization"
href="http://llvm.org/bugs/show_bug.cgi?id=17745">17745</a>
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<th>Summary</th>
<td>SLP Vectorizer: Partial Tree Vectorization
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Loop Optimizer
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>nrotem@apple.com
</td>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>The first phase of vectorization is construction an SLP tree. Some of the
branches of the tree may be profitable while other branches are not. At the
moment we vectorize all or nothing. We need to add a pruning phase as part of
the cost phase.</pre>
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