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path: root/llvm/lib/Transforms/Utils/CanonicalizeAliases.cpp
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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
* [ThinLTO] Handle chains of aliasesTeresa Johnson2019-01-041-0/+105
At -O0, globalopt is not run during the compile step, and we can have a chain of an alias having an immediate aliasee of another alias. The summaries are constructed assuming aliases in a canonical form (flattened chains), and as a result only the base object but no intermediate aliases were preserved. Fix by adding a pass that canonicalize aliases, which ensures each alias is a direct alias of the base object. Reviewers: pcc, davidxl Subscribers: mehdi_amini, inglorion, eraman, steven_wu, dexonsmith, arphaman, llvm-commits Differential Revision: https://reviews.llvm.org/D54507 llvm-svn: 350423
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