[PATCH] D12267: Require Dominator Tree For SROA, improve compile-time

Daniel Berlin via llvm-commits llvm-commits at lists.llvm.org
Sun Aug 23 11:20:20 PDT 2015


Ssaupdater is not a linear time algorithm, there one using domtree is
On Sun, Aug 23, 2015, 10:24 AM Michael Zolotukhin via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> mzolotukhin added a subscriber: mzolotukhin.
> mzolotukhin added a comment.
>
> Hi Mehdi,
>
> Could you please explain why does it save compile time in the end? Why
> does SROA work slower when DT isn’t available? While your logic to
> construct DT before SROA seems legit, could that be that there is another
> bug in SROA itself (and we’re just papering it over now)?
>
> Thanks,
> Michael
>
>
> http://reviews.llvm.org/D12267
>
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150823/4f94d1ee/attachment.html>


More information about the llvm-commits mailing list