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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [MemorySSA] Assertion `E >= 2 && "Cannot only remove incoming values in MemoryPhis with at least 2 values."' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=46574">46574</a>
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<th>Summary</th>
<td>[MemorySSA] Assertion `E >= 2 && "Cannot only remove incoming values in MemoryPhis with at least 2 values."' failed.
</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>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Scalar Optimizations
</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
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23674" name="attach_23674" title="reduced testcase">attachment 23674</a> <a href="attachment.cgi?id=23674&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
opt -mtriple=s390x-linux-gnu -O3 -o out.opt.bc -enable-simple-loop-unswitch
-enable-nontrivial-unswitch -enable-unswitch-cost-multiplier=false
tc_memphi_deleteincoming.ll
MemorySSA.h:592: void llvm::MemoryPhi::unorderedDeleteIncoming(unsigned int):
Assertion `E >= 2 && "Cannot only remove incoming values in MemoryPhis with "
"at least 2 values."' failed.
...
10 0x000002aa21b1fb04 llvm::MemorySSAUpdater::removeEdge</pre>
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