<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/95966>95966</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Implement HLSL `tanh` intrinsic:
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            HLSL
      </td>
    </tr>

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

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

<pre>
    Implement HLSL `tanh` intrinsic:

https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-tanh

part of this proposal: https://discourse.llvm.org/t/rfc-all-the-math-intrinsics/78294

Four parts:
1. [ ] DXIL backend change
2. [ ] SPIRV backend change
3. [ ] HLSL frontend change
4. [ ] Constraint intrinsic change
</pre>
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