<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/145729>145729</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [DirectX] Support typedBufferLoad and Store for RWBuffer<int64_t2>, RWBuffer<uint64_t2>
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

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

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

<pre>
    HLSL's Buffer/RWBuffer can operate on a vector of two 64 bit integers, like so: https://hlsl.godbolt.org/z/Mevonvav8

The typedBufferLoad and Store dxil intrinsics (introduced in https://github.com/llvm/llvm-project/pull/104252 and https://github.com/llvm/llvm-project/pull/104253) should be taught to handle a vector of 2 64 bit integers.

Support needs to be added for int64_t and uint64_t as well. 
</pre>
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