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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [AVX-512/KNL] Cannot select v16f32 = X86ISD::FMAXC"
href="https://llvm.org/bugs/show_bug.cgi?id=27588">27588</a>
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<th>Summary</th>
<td>[AVX-512/KNL] Cannot select v16f32 = X86ISD::FMAXC
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<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>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hfinkel@anl.gov
</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>Created <span class=""><a href="attachment.cgi?id=16287" name="attach_16287" title="bugpoint reduced test case">attachment 16287</a> <a href="attachment.cgi?id=16287&action=edit" title="bugpoint reduced test case">[details]</a></span>
bugpoint reduced test case
The following IR, bugpoint reduced from the test-suite's TSVC benchmark, fails
instruction selection when targeting AVX-512 (knl).
LLVM ERROR: Cannot select: 0x46ca590: v16f32 = X86ISD::FMAXC undef:v16f32,
undef:v16f32</pre>
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