Eugene Zhulenev f57b2420b2 [mlir:Async] Add an async reference counting pass based on the user defined policy ...

Depends On D104999

Automatic reference counting based on the liveness analysis can add a lot of reference counting overhead at runtime. If the IR is known to be constrained to few particular "shapes", it's much more efficient to provide a custom reference counting policy that will specify where it is required to update the async value reference count.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D105037

2021-06-29 12:53:09 -07:00

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