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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - SimplifyDemandedUseBits: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed"
href="https://bugs.llvm.org/show_bug.cgi?id=35515">35515</a>
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<th>Summary</th>
<td>SimplifyDemandedUseBits: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed
</td>
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<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
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Scalar Optimizations
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</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
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<pre>Created <span class=""><a href="attachment.cgi?id=19516" name="attach_19516" title="reduced testcase">attachment 19516</a> <a href="attachment.cgi?id=19516&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
Instcombiner triggers this assert. Although discovered with csmith on SystemZ,
this also triggers with -mtriple=x86_64-unknown-linux-gnu.
bin/opt -S -O2 ./tc_instcomb_demandUseBits.ll</pre>
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