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path: root/llvm/test/Transforms/LoopRotate/loopexitinglatch.ll
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* Update MemorySSA in LoopRotate.Alina Sbirlea2018-10-241-0/+1
| | | | | | | | | | | | Summary: Teach LoopRotate to preserve MemorySSA. Enable tests for correctness, dependency disabled by default. Subscribers: sanjoy, jlebar, Prazek, george.burgess.iv, llvm-commits Differential Revision: https://reviews.llvm.org/D51718 llvm-svn: 345216
* [LoopRotate] Rotate loops with loop exiting latchesDavid Green2018-04-011-0/+234
If a loop has a loop exiting latch, it can be profitable to rotate the loop if it leads to the simplification of a phi node. Perform rotation in these cases even if loop rotate itself didnt simplify the loop to get there. Differential Revision: https://reviews.llvm.org/D44199 llvm-svn: 328933
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