<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Sep 29, 2020 at 9:08 AM Quentin Colombet <<a href="mailto:qcolombet@apple.com">qcolombet@apple.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
Register can represent virtual or physical registers.<br>
MCRegister can only represent physical registers.<br></blockquote><div><br></div><div>That's what I thought, but MCRegister has some stack slot APIs. </div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Eventually all Register instances are replaced by a MCRegister. <br></blockquote><div><br></div><div>What happens in that case to the stack slot APIs?</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Cheers,<br>
-Quentin<br>
<br>
> On Sep 28, 2020, at 5:46 PM, Mircea Trofin via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<br>
> <br>
> Hello,<br>
> <br>
> I'm trying to understand what the relation between these two types is: do we need them both? Register seems to be delegating to MCRegister without owning any new additional responsibilities.<br>
> <br>
> Thanks!<br>
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<br>
</blockquote></div></div>