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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+78
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-78/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [InstSimplify] Add test cases for mixing add/sub i1 with xor of i1. Seems we ↵Craig Topper2017-04-061-0/+42
| | | | | | can simplify in one direction but not the other. llvm-svn: 299627
* [InstSimplify] Teach SimplifyAddInst and SimplifySubInst that vectors of i1 ↵Craig Topper2017-04-061-0/+36
can be treated as Xor too. llvm-svn: 299626
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