[PATCH] D87972: [OldPM] Pass manager: run SROA after (simple) loop unrolling

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri added a comment.

In D87972#2294488 <https://reviews.llvm.org/D87972#2294488>, @xbolva00 wrote:

>>> Does that sound reasonable?
>
> Yes IMHO.
>
>>> What are the next suggested steps?
>
> It would be great to isolate and check the cases which regressed a bit.

I've rerun my benchmark, and while the results are still the same (runtime geomean -0.53%/-0.40%,
but that obviously depends on the benchmarks), there are some obvious outliers:
F13059172: image.png <https://reviews.llvm.org/F13059172>
F13059175: rsbench.txt <https://reviews.llvm.org/F13059175>
I'll try to take a look at that, assuming it's not noise.


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