<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 - [LoopVectorizer] Assertion `UF > 0 && "Zero unrolled factor is not supported"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=46232">46232</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[LoopVectorizer] Assertion `UF > 0 && "Zero unrolled factor is not supported"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23586" name="attach_23586" title="reduced testcase">attachment 23586</a> <a href="attachment.cgi?id=23586&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
bin/opt -mtriple=s390x-linux-gnu -mcpu=z13 -O3 -disable-licm-promotion
-tiny-trip-count-interleave-threshold=4 -vectorizer-min-trip-count=8
-unroll-full-max-count=1 ./tc_lv_zerounrollfac.ll -S -o out.opt.ll
llvm-project/llvm/lib/Transforms/Utils/LoopUtils.cpp:1478: void
llvm::setProfileInfoAfterUnrolling(llvm::Loop*, llvm::Loop*, llvm::Loop*,
uint64_t): Assertion `UF > 0 &&
"Zero unrolled factor is not supported"' failed.
...
#8 0x000002aa2c5b373e llvm::setProfileInfoAfterUnrolling
...</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>