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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+328
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-328/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [PATCH] Force LoopReroll to reset the loop trip count value after reroll.Zinovy Nis2016-03-221-1/+1
| | | | | | | | | | | It's a bug fix. For rerolled loops SE trip count remains unchanged. It leads to incorrect work of the next passes. My patch just resets SE info for rerolled loop forcing SE to re-evaluate it next time it requested. I also added a verifier call in the exisitng test to be sure no invalid SE data remain. Without my fix this test would fail with -verify-scev. Differential Revision: http://reviews.llvm.org/D18316 llvm-svn: 264051
* Allow setting MaxRerollIterations above 16Elena Demikhovsky2016-02-221-0/+328
By Ayal Zaks. Differential Revision http://reviews.llvm.org/D17258 llvm-svn: 261517
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