<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/91181>91181</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            assert fail in llvm::SDNode::getMachineOpcode
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            backend:X86,
            backend:X86 Scheduler Models,
            mi-sched
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          dcb314
      </td>
    </tr>
</table>

<pre>
    The attached code does this:

 #6 0x00007f608f62287f abort (/lib64/libc.so.6+0x2687f)
 #7 0x00007f608f62279b _nl_load_domain.cold (/lib64/libc.so.6+0x2679b)
 #8 0x00007f608f632187 (/lib64/libc.so.6+0x36187)
 #9 0x00000000032834c0 llvm::SDNode::getMachineOpcode() const /home/dcb38/llvm/trunk/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:722:5
#10 0x00000000032834c0 llvm::InstrEmitter::EmitSubregNode(llvm::SDNode*, llvm::DenseMap<llvm::SDValue, llvm::Register, llvm::DenseMapInfo<llvm::SDValue, void>, llvm::detail::DenseMapPair<llvm::SDValue, llvm::Register>>&, bool, bool) /home/dcb38/llvm/trunk/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp:506:40

[libxsmm_dnn_convolution_forward-29d185.c.gz](https://github.com/llvm/llvm-project/files/15219281/libxsmm_dnn_convolution_forward-29d185.c.gz)
[libxsmm_dnn_convolution_forward-29d185.sh.gz](https://github.com/llvm/llvm-project/files/15219282/libxsmm_dnn_convolution_forward-29d185.sh.gz)

</pre>
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