[llvm] [mlir] [OMPIRBuilder] - Make offloading input data persist for deferred target tasks (PR #133499)

[Pranav Bhandarkar via llvm-commits]

bhandarkar-pranav wrote:

@skatrak  - I have updated this branch. I am in the process of adding a reduced lit test, which as you suggested will serve as a test for the setting up of the task descriptor structure.

https://github.com/llvm/llvm-project/pull/133499