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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+51
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-51/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [InstSimplify] simplify add instruction if two operands are negativeChen Zheng2018-07-121-8/+2
| | | | | | Differential Revision: https://reviews.llvm.org/D49216 llvm-svn: 336881
* [InstSimplify] add/move tests for add folds; NFCSanjay Patel2018-07-111-0/+57
isKnownNegation() is currently proposed as part of D48754, but it could be used to make InstSimplify stronger independently of any abs() improvements. llvm-svn: 336822
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