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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+25
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-25/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* SCEV should forget all loops containing a deleted block.Alina Sbirlea2018-08-091-0/+25
Summary: LoopSimplifyCFG should update ScEv for all loops after a block is deleted. If the deleted block "Succ" is part of L, then it is part of all parent loops, so forget topmost loop. Reviewers: greened, mkazantsev, sanjoy Subscribers: jlebar, javed.absar, uabelho, llvm-commits Differential Revision: https://reviews.llvm.org/D50422 llvm-svn: 339363
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