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Age	Commit message (Collapse)	Author
2025-11-03	[CAS] Add UnifiedOnDiskCache and OnDiskCAS (#114103)	Steven Wu
	Add a new abstraction layer UnifiedOnDiskCache that adds new functions of disk space management and data validation that builds on top of OnDiskGraphDB and OnDiskKeyValueDB. Build upon UnifiedOnDiskCache, it is OnDiskCAS that implements ObjectStore and ActionCache interface for LLVM tools to interact with CAS storage.
2025-08-12	[CAS] Add LLVMCAS library with InMemoryCAS implementation (#114096)	Steven Wu
	Add llvm::cas::ObjectStore abstraction and InMemoryCAS as a in-memory CAS object store implementation. The ObjectStore models its objects as: * Content: An array of bytes for the data to be stored. * Refs: An array of references to other objects in the ObjectStore. And each CAS Object can be idenfied with an unqine ID/Hash. ObjectStore supports following general action: * Expected<ID> store(Content, ArrayRef<Ref>) * Expected<Ref> get(ID) It also introduces following types to interact with a CAS ObjectStore: * CASID: Hash representation for an CAS Objects with its context to help print/compare CASIDs. * ObjectRef: A light-weight ref for an object in the ObjectStore. It is implementation defined so it can be optimized for read/store/references depending on the implementation. * ObjectProxy: A proxy for the users of CAS to interact with the data inside CAS Object. It bundles a ObjectHandle and an ObjectStore instance.