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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SystemZ TTI] Assertion `getActiveBits() <= 64 && "Too many bits for uint64_t"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=47600">47600</a>
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<th>Summary</th>
<td>[SystemZ TTI] Assertion `getActiveBits() <= 64 && "Too many bits for uint64_t"' 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>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: SystemZ
</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=23989" name="attach_23989" title="reduced testcase">attachment 23989</a> <a href="attachment.cgi?id=23989&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
opt -mtriple=s390x-unknown-linux -mcpu=z13 -o out.opt.ll -O3
tc_SLP_toomanybits.ll
APInt.h:1632: uint64_t llvm::APInt::getZExtValue() const: Assertion
`getActiveBits() <= 64 && "Too many bits for uint64_t"' failed.
...
#9 0x000002aa1e47f574 llvm::SystemZTTIImpl::getCmpSelInstrCost()
...
#18 0x000002aa1fb9430e llvm::SLPVectorizerPass::runImpl)
...</pre>
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</p>
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