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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Register coalescer introduces verifier error"
href="https://llvm.org/bugs/show_bug.cgi?id=26805">26805</a>
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<th>Summary</th>
<td>Register coalescer introduces verifier error
</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
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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>Register Allocator
</td>
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<th>Assignee</th>
<td>matze@braunis.de
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<th>Reporter</th>
<td>Matthew.Arsenault@amd.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>The XFAILed test in test/CodeGen/AMDGPU/reg-coalescer-sched-crash.ll is a
verifier error introduced by the register coalescer. I think it has something
to do with rematerializing an instruction into a sub register when the super
register isn't fully defined.</pre>
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