<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion related to NPM, MSSA and TBAA"
href="https://bugs.llvm.org/show_bug.cgi?id=51991">51991</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion related to NPM, MSSA and TBAA
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>markus.lavin@ericsson.com
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=25300" name="attach_25300" title="Reproducer input.">attachment 25300</a> <a href="attachment.cgi?id=25300&action=edit" title="Reproducer input.">[details]</a></span>
Reproducer input.
$ opt -mtriple=x86_64-unknown-linux-gnu -aa-pipeline=tbaa
--passes='early-cse<memssa>,loop-mssa(licm)' -o /dev/null bbi-58502-5.ll
llvm/lib/Analysis/AliasSetTracker.cpp:241: bool
llvm::AliasSet::aliasesUnknownInst(const llvm::Instruction *,
llvm::AliasAnalysis &) const: Assertion `Inst->mayReadOrWriteMemory() &&
"Instruction must either read or write memory."' failed.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>