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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SystemZ] Bad machine code: Expected a register operand"
href="https://bugs.llvm.org/show_bug.cgi?id=44496">44496</a>
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<th>Summary</th>
<td>[SystemZ] Bad machine code: Expected a register operand
</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>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: SystemZ
</td>
</tr>
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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>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23001" name="attach_23001" title="reduced testcase">attachment 23001</a> <a href="attachment.cgi?id=23001&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
llc -O3 -mcpu=z15 ./tc_exptectedreg_nxgrk.ll -verify-misched -o -
*** Bad machine code: Expected a register operand. ***
- function: main
- basic block: %bb.1 bb1 (0x2aa410c5488) [80B;336B)
- instruction: 176B %6:gr64bit = NXGRK %1:gr64bit, -4210509929515057152,
implicit-def dead $cc
- operand 2: -4210509929515057152
LLVM ERROR: Found 1 machine code errors.</pre>
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