[PATCH] D73129: [LoopUnrollAndJam] Correctly update LoopInfo when unroll and jam more than 2-levels loop nests.

[Michael Kruse via Phabricator via llvm-commits]

Meinersbur added a comment.

In D73129#1844566 <https://reviews.llvm.org/D73129#1844566>, @Whitney wrote:

> Option 1: Use LoopFusion infrastructure to jam innerloops recursively. 
>  Option 2: Prove safety beforehand, and unroll and jamming without creating new loops.


IMHO option 2 is preferable and more robust.


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https://reviews.llvm.org/D73129