[PATCH] D102920: [SLP]Better detection of perfect/shuffles matches for gather nodes.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added a comment.

In D102920#2791168 <https://reviews.llvm.org/D102920#2791168>, @nikic wrote:

> FYI there seems to be some (but not very large) compile-time impact on ClamAV: https://llvm-compile-time-tracker.com/compare.php?from=e60f147324b64f7740de58e6b936cdc0e26daadd&to=36911971a58d1ba8b15e97790ac816eaadb0603e&stat=instructions
>
> The file with the largest impact is libclamav_htmlnorm.c with 3.4% regression in NewPM-O3 (and 5.6% in NewPM-ReleaseLTO-g). Might be worth taking a look.

I'll check if it can be improved, thanks!


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  https://reviews.llvm.org/D102920/new/

https://reviews.llvm.org/D102920