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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - PowerPC64: Machine code verifier failure - Explicit operand marked as implicit (MFOCRF8)"
href="https://llvm.org/bugs/show_bug.cgi?id=27414">27414</a>
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<th>Summary</th>
<td>PowerPC64: Machine code verifier failure - Explicit operand marked as implicit (MFOCRF8)
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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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>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: PowerPC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>anton@samba.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16231" name="attach_16231" title="Test case">attachment 16231</a> <a href="attachment.cgi?id=16231&action=edit" title="Test case">[details]</a></span>
Test case
The following testcase trips up on the machine verifier:
# llc -verify-machineinstrs testcase.ll
*** Bad machine code: Explicit operand marked as implicit ***
- function: main
- basic block: BB#0 (0x1003c4421e0)
- instruction: %X12<def> = MFOCRF8
- operand 1: %CR2<imp-use,kill>
LLVM ERROR: Found 1 machine code errors.</pre>
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