Kit Barton ff07fc66d9 [LoopFusion] Restrict loop fusion to rotated loops. ...

Summary:
This patch restricts loop fusion to only consider rotated loops as valid candidates.
This simplifies the analysis and transformation and aligns with other loop optimizations.

Reviewers: jdoerfert, Meinersbur, dmgreen, etiotto, Whitney, fhahn, hfinkel

Reviewed By: Meinersbur

Subscribers: ormris, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71025

2019-12-16 15:17:29 -05:00

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