<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/87784>87784</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            remove rcp intrinsic and move lowering out of DXILIntrinsicExpansion.cpp and into CGBuiltin.cpp
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            backend:DirectX
      </td>
    </tr>

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

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

<pre>
    SPIRV and DXIL both lower to `1/x`  so an intrinsic isn't necessary.

_Originally posted by @farzonl in https://github.com/llvm/llvm-project/issues/87367#issuecomment-2039918413_
</pre>
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