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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Use tablegen to generate lookup tables"
href="https://llvm.org/bugs/show_bug.cgi?id=31205">31205</a>
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<th>Summary</th>
<td>Use tablegen to generate lookup tables
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: X86
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>zvi.rackover@intel.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>There are several tables in the X86 backend that could be auto-generated to
reduce the maintenance burden.
For example,
1. ReplaceableInstrs
2. Memory folding/unfolding
See Hal's recipe for how to implement #1:
<a href="http://lists.llvm.org/pipermail/llvm-dev/2016-November/107588.html">http://lists.llvm.org/pipermail/llvm-dev/2016-November/107588.html</a></pre>
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