[PATCH] D43256: [MBP] Move a latch block with conditional exit and multi predecessors to top of loop

Guozhi Wei via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jul 31 08:27:30 PDT 2019


Carrot added a comment.

In D43256#1607733 <https://reviews.llvm.org/D43256#1607733>, @ebrevnov wrote:

> I would suggest putting the optimization under an option and disable it by default for now. Once all problems are resolved we can change the default. What do you think?


After restore to original behavior in plain mode, you can use -force-precise-rotation-cost=true to use this more aggressive loop layout.


Repository:
  rL LLVM

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  https://reviews.llvm.org/D43256/new/

https://reviews.llvm.org/D43256





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