[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
>
>
>
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