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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion failed: (MBB != &MF->front() && "Can't find reaching def for virtreg")"
href="http://llvm.org/bugs/show_bug.cgi?id=21382">21382</a>
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<th>Summary</th>
<td>Assertion failed: (MBB != &MF->front() && "Can't find reaching def for virtreg")
</td>
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<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>
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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>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Common Code Generator Code
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>temp@expcov.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13249" name="attach_13249" title="The LLVM assembly file which triggers the bug.">attachment 13249</a> <a href="attachment.cgi?id=13249&action=edit" title="The LLVM assembly file which triggers the bug.">[details]</a></span>
The LLVM assembly file which triggers the bug.
Attached testcase triggers an assertion in llc version 3.5.0
Assertion failed: (MBB != &MF->front() && "Can't find reaching def for
virtreg"), function MarkVirtRegAliveInBlock, file
~/llvm-3.5.0/lib/CodeGen/LiveVariables.cpp, line 114</pre>
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