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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SelectionDAGScheduler] Assertion `LRegs.size() == 1 && "Can't handle this yet!"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=47951">47951</a>
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<th>Summary</th>
<td>[SelectionDAGScheduler] Assertion `LRegs.size() == 1 && "Can't handle this yet!"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<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>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Common Code Generator Code
</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
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24096" name="attach_24096" title="reduced testcase">attachment 24096</a> <a href="attachment.cgi?id=24096&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
llc -mtriple=s390x-linux-gnu -stress-sched tc_stress_sched.ll
ScheduleDAGRRList.cpp:1553: llvm::SUnit*
{anonymous}::ScheduleDAGRRList::PickNodeToScheduleBottomUp(): Assertion
`LRegs.size() == 1 && "Can't handle this yet!"' failed.
llc -mtriple=s390x-linux-gnu -pre-RA-sched=list-ilp -stress-sched
tc_stress_sched.ll
2. Running pass 'SystemZ DAG->DAG Pattern Instruction Selection' on
function '@fun'
Segmentation fault (core dumped)</pre>
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