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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Improve concat_vector legalization"
href="http://llvm.org/bugs/show_bug.cgi?id=17607">17607</a>
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<th>Summary</th>
<td>Improve concat_vector legalization
</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>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Common Code Generator Code
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>grosbach@apple.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>The x86 backend has a DAG combine (PerformConcatCombine() added in r192866) to
better legalize concat_vector when the result vector type is legal, the source
type is illegal and is the result of a bitcast from a legal type. We should
consider generalizing the logic and making this a target-independent part of
standard legalization.</pre>
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