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path: root/llvm/lib/XRay/LogBuilderConsumer.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
* [XRay] FDR Record Producer/Consumer ImplementationDean Michael Berris2018-08-311-0/+38
Summary: This patch defines two new base types called `RecordProducer` and `RecordConsumer` which have default implementations for convenience (particularly for testing). A `RecordProducer` implementation has one member function called `produce()` which serves as a factory constructor for `Record` instances. This code exercises the `RecordInitializer` code path in the implementation for `FileBasedRecordProducer`. A `RecordConsumer` has a single member function called `consume(...)` which, as the name implies, consumes instances of `std::unique_ptr<Record>`. We have two implementations, one of which is used in the test to generate a vector of `std::unique_ptr<Record>` similar to how the `LogBuilder` implementation works. We introduce a test in `FDRProducerConsumerTest` which ensures that records we write through the `FDRTraceWriter` can be loaded by the `FileBasedRecordProducer`. The record(s) loaded this way are written again through the `FDRTraceWriter` into a separate string, which we then compare. This ensures that the read-in bytes to create the `Record` instances in memory can be replicated when written out through the `FDRTraceWriter`. This change depends on D51210 and is part of the refactoring of D50441 into smaller, more focused changes. Reviewers: eizan, kpw Subscribers: mgorny, hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D51289 llvm-svn: 341180
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