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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - llvm optimizer abort in O2"
href="https://bugs.llvm.org/show_bug.cgi?id=38445">38445</a>
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<th>Summary</th>
<td>llvm optimizer abort in O2
</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>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<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>
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<th>Reporter</th>
<td>santosh.zanjurne@amd.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The regression started from svn r338380. testcase attached.
$ opt testcase.ll -O2
PHI nodes not grouped at top of basic block!
%e1.sroa.20.0 = phi <2 x float> [ %28, %if.then.i ], [ %11, %entry ]
label %_ZN40vtkUnstructuredGridQuadricDecimationVec49NormalizeEv.exit
PHI nodes not grouped at top of basic block!
%e2.sroa.21.0 = phi <2 x float> [ %51, %if.then.i143 ], [ %41,
%_ZN40vtkUnstructuredGridQuadricDecimationVec49NormalizeEv.exit ]
label %_ZN40vtkUnstructuredGridQuadricDecimationVec49NormalizeEv.exit144
LLVM ERROR: Broken function found, compilation aborted!</pre>
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