<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/91218>91218</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [Attributes] Introduce API about whether attributes is ABI or not
        </td>
    </tr>

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

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

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

<pre>
    This is follow up from https://github.com/llvm/llvm-project/pull/91122#discussion_r1590620385

> [arsenm](https://github.com/arsenm) [7 hours ago](https://github.com/llvm/llvm-project/pull/91122#discussion_r1590621362)
> Really we should have something in Attributes that maintains whether the attribute is ABI or not
> 
> Member
> @[nikic](https://github.com/nikic) nikic [5 hours ago](https://github.com/llvm/llvm-project/pull/91122#discussion_r1590713703)
> We kind of have this in
> 
> [llvm-project/llvm/lib/IR/Attributes.cpp](https://github.com/llvm/llvm-project/blob/d98a78590f4f9e43fdfb69fde7d154a985e4560f/llvm/lib/IR/Attributes.cpp#L2021)
> 
> Line 2021 in [d98a785](https://github.com/llvm/llvm-project/commit/d98a78590f4f9e43fdfb69fde7d154a985e4560f)
> 
>  AttributeMask AttributeFuncs::typeIncompatible(Type *Ty, 
> , but it's currently mixed together with typeIncompatible(). It would make sense to separate it out.
</pre>
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