<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/122685>122685</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Adding getNumPredecessors() for mlir::Block
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir
      </td>
    </tr>

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

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

<pre>
    I'm browsing the current docs for `mlir::Block` and I'm not seeing a method for `getNumPredecessors()` to compliment `getPredecessors()`, as opposed to the existing getNumSuccessors() to compliment getSuccessors().

I'd love to open a PR for this myself. `makslevental` on Discord suggested the impl is `std::distance(preds_begin, preds_end)` but I also would want further confirmation for the impl
</pre>
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