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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - PowerPC64: Machine code verifier failure - Multiple connected components in live interval"
href="https://llvm.org/bugs/show_bug.cgi?id=27281">27281</a>
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<th>Summary</th>
<td>PowerPC64: Machine code verifier failure - Multiple connected components in live interval
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<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: PowerPC
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>anton@samba.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16186" name="attach_16186" title="Test case">attachment 16186</a> <a href="attachment.cgi?id=16186&action=edit" title="Test case">[details]</a></span>
Test case
I'm seeing a machine code verify failure with the attached test case:
# llc -O2 testcase.ll -verify-machineinstrs
...
*** Bad machine code: Multiple connected components in live interval ***
- function: main
- interval: %vreg300 [80r,88r:0)[2296r,2432B:1) 0@80r 1@2296r 2@x
0: valnos 0
1: valnos 1 2
LLVM ERROR: Found 1 machine code errors.</pre>
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