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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion `InLCSSA && "Requested to preserve LCSSA, but it's already broken."' failed."
href="https://llvm.org/bugs/show_bug.cgi?id=28424">28424</a>
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<th>Summary</th>
<td>Assertion `InLCSSA && "Requested to preserve LCSSA, but it's already broken."' failed.
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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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>Linux
</td>
</tr>
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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>
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<th>Component</th>
<td>Loop Optimizer
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>mikael.holmen@ericsson.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16689" name="attach_16689" title="Reproducer ll file">attachment 16689</a> <a href="attachment.cgi?id=16689&action=edit" title="Reproducer ll file">[details]</a></span>
Reproducer ll file
If I do
opt -S -lcssa -indvars red5.ll
on the attached file I get
opt: ../lib/Transforms/Utils/LoopSimplify.cpp:792: virtual bool (anonymous
namespace)::LoopSimplify::runOnFunction(llvm::Function &): Assertion `InLCSSA
&& "Requested to preserve LCSSA, but it's already broken."' failed.</pre>
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