<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 - Regalloc basic asserts with "Interference after spill.""
href="https://bugs.llvm.org/show_bug.cgi?id=33057">33057</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Regalloc basic asserts with "Interference after spill."
</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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Register Allocator
</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=18450" name="attach_18450" title="reduced testcase">attachment 18450</a> <a href="attachment.cgi?id=18450&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
llc -mtriple=s390x-linux-gnu -mcpu=z13 -disable-cgp -disable-machine-dce
-regalloc=basic -o /dev/null ./tc_regallocbasic.ll
llc: llvm/lib/CodeGen/RegAllocBasic.cpp:253: virtual unsigned int
{anonymous}::RABasic::selectOrSplit(llvm::LiveInterval&,
llvm::SmallVectorImpl<unsigned int>&): Assertion
`!Matrix->checkInterference(VirtReg, *PhysRegI) && "Interference after spill."'
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>