<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/108038>108038</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [AMDGPU] SelectionDAG divergence tracking should heed AMDGPUSubtarget::isSingleLaneExecution
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            backend:AMDGPU,
            missed-optimization
      </td>
    </tr>

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

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

<pre>
    If a kernel is known to be executing only a single lane, IR UniformityAnalysis will take note of that (via GCNTTIImpl::hasBranchDivergence) and report that all values are uniform. SelectionDAG's built-in divergence tracking should do the same.
</pre>
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