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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+178
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-178/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [GVN,NewGVN] Keep nonnull if K does not move.Florian Hahn2018-08-071-0/+178
In combineMetadata, we should be able to preserve K's nonnull metadata, if K does not move. This condition should hold for all replacements by NewGVN/GVN, but I added a bunch of assertions to verify that. Fixes PR35038. There probably are additional kinds of metadata that could be preserved using similar reasoning. This is follow-up work. Reviewers: dberlin, davide, efriedma, nlopes Reviewed By: efriedma Differential Revision: https://reviews.llvm.org/D47339 llvm-svn: 339149
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