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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DAGCombiner] Extend DAGCombiner::MatchRotate to handle funnel shifts"
href="https://bugs.llvm.org/show_bug.cgi?id=40081">40081</a>
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<th>Summary</th>
<td>[DAGCombiner] Extend DAGCombiner::MatchRotate to handle funnel shifts
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<th>Product</th>
<td>libraries
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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>Windows NT
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Common Code Generator Code
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>llvm-dev@redking.me.uk
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, spatel+llvm@rotateright.com
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<pre>Now that the ISD::FSHL/FSHR opcodes are available we should be able to refactor
the existing rotation pattern matching logic to handle funnel shifts as well.
This should also allow us to remove the X86ISelLowering's X86ISD::SHLD/SHRD
matching code in combineOr.</pre>
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