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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Invalid PPC CTR loop with llc on powerpc64le-unknown-linux-gnu"
href="https://bugs.llvm.org/show_bug.cgi?id=36292">36292</a>
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<th>Summary</th>
<td>Invalid PPC CTR loop with llc on powerpc64le-unknown-linux-gnu
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>6.0
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: PowerPC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kai@redstar.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=19837" name="attach_19837" title="LLVM IR demonstring the problem.">attachment 19837</a> <a href="attachment.cgi?id=19837&action=edit" title="LLVM IR demonstring the problem.">[details]</a></span>
LLVM IR demonstring the problem.
The attached file was bugpoint reduced from a unittest of the D library.
Running llc -O2 bugpoint-reduced-simplified.ll results in
Invalid PPC CTR loop!
UNREACHABLE executed at
/home/ubuntu/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp:751!
...
Stack dump:
0. Program arguments: llc -O2 bugpoint-reduced-simplified.ll
1. Running pass 'Function Pass Manager' on module
'bugpoint-reduced-simplified.ll'.
2. Running pass 'PowerPC CTR Loops Verify' on function
'@_D4core8internal7arrayop__T7arrayOpHTAfTfTQfVAyaa1_25VQja1_3dZQBjFNaNbNiNeQBlfQBpZQBt'
Aborted (core dumped)
Happens without -O2, too.</pre>
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