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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [LoopVectorizer] Assertion `Instance.Lane > 0 ? !Cost->isUniformAfterVectorization(cast<Instruction>(V), VF) : true && "Uniform values only have lane zero"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=43951">43951</a>
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<th>Summary</th>
<td>[LoopVectorizer] Assertion `Instance.Lane > 0 ? !Cost->isUniformAfterVectorization(cast<Instruction>(V), VF) : true && "Uniform values only have lane zero"' failed.
</td>
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<tr>
<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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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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>paulsson@linux.vnet.ibm.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=22788" name="attach_22788" title="reduced testcase">attachment 22788</a> <a href="attachment.cgi?id=22788&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
clang -cc1 -triple s390x-ibm-linux -S -target-cpu z13 -O3 -vectorize-loops
-mllvm -disable-lftr -mllvm -enable-simple-loop-unswitch -mllvm -force-t
arget-instruction-cost=1 -faddrsig -o out.s -x ir tc_loopvec.ll</pre>
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