<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/82340>82340</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            __builtin_unpredictable stops working with load
        </td>
    </tr>

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

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

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

<pre>
    ```c++
using u128 = unsigned __int128;

u128 bad(bool c, u128 a, const u128& m)
{
    u128 b = m;  // load
    return __builtin_unpredictable(c) ? a + b: a;
}
```

produces

```asm
bad(bool, unsigned __int128, unsigned __int128 const&):                            # @bad(bool, unsigned __int128, unsigned __int128 const&)
        mov     rax, rsi
 test    edi, edi
        je      .LBB0_1
        mov     rsi, qword ptr [rcx + 8]
        mov     rcx, qword ptr [rcx]
        add     rax, rcx
        adc     rdx, rsi
        ret
.LBB0_1:
        xor esi, esi
        xor     ecx, ecx
        add     rax, rcx
 adc     rdx, rsi
 ret
```

https://godbolt.org/z/zvcoKPfoY
</pre>
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