[PATCH] D94232: [LoopRotate] Add PrepareForLTO stage, avoid rotating with inline cands (WIP).

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 19 06:21:11 PST 2021


xbolva00 added a comment.

In D94232#2506618 <https://reviews.llvm.org/D94232#2506618>, @nikic wrote:

> Just FYI this had a pretty massive (positive) impact on code size: https://llvm-compile-time-tracker.com/compare.php?from=4d3081331ad854e0bff5032c818ec6414fb974c0&to=83daa49758a12d585fe2d9a64448e54d91bcfaff&stat=size-text
> And presumably also directly related to that, a large compile-time improvement: https://llvm-compile-time-tracker.com/compare.php?from=4d3081331ad854e0bff5032c818ec6414fb974c0&to=83daa49758a12d585fe2d9a64448e54d91bcfaff&stat=instructions

Wow. 
What about runtime performance, eg. mafft? No changes?


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https://reviews.llvm.org/D94232



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