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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+28
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-28/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [LoopPeeling] Fix condition for phi-eliminating peelingMax Kazantsev2017-04-171-0/+28
When peeling loops basing on phis becoming invariants, we make a wrong loop size check. UP.Threshold should be compared against the total numbers of instructions after the transformation, which is equal to 2 * LoopSize in case of peeling one iteration. We should also check that the maximum allowed number of peeled iterations is not zero. Reviewers: sanjoy, anna, reames, mkuper Reviewed By: mkuper Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D31753 llvm-svn: 300441
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