<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Somehow using `ConstantPointerNull`s here seems really strange to me.<br>
I don't think we should be adding uses of `ConstantPointerNull` just<br>
as a placeholder.<br>
<br>
On the other hand, I'm not sure I have a better suggestion. Can<br>
someone else give their opinion? Is this fine?<br>
<br>
(If you can get me shouted down at that point, then this patch LGTM.)<br>
</blockquote></div><br></div><div class="gmail_extra">I think the only other alternative is to have a variable number of operands (with some canonical order</div><div class="gmail_extra">depending on which of personality/prefix/prologue is actually present), but that seems like it would</div><div class="gmail_extra">get ugly quickly.</div></div>