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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+24
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-24/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [InstCombine] Fold (xor (min/max X, Y), -1) -> (max/min ~X, ~Y) when X and Y ↵Craig Topper2018-09-131-0/+24
are freely invertible. This allows the xor to be removed completely. This might help with recomitting r341674, but seems good regardless. Coincidentally fixes PR38915. Differential Revision: https://reviews.llvm.org/D51964 llvm-svn: 342163
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