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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+37
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-37/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [ThinLTO] Handle chains of aliasesTeresa Johnson2019-01-041-0/+37
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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