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* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-4/+3
| | | | | | | | | | | | | | | | | to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
* [KnownBits][ValueTracking] Move the math for calculating known bits for ↵Craig Topper2017-08-081-0/+65
add/sub into a static method in KnownBits object I want to reuse this code in SimplifyDemandedBits handling of Add/Sub. This will make that easier. Wonder if we should use it in SelectionDAG's computeKnownBits too. Differential Revision: https://reviews.llvm.org/D36433 llvm-svn: 310378
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