[PATCH] D80696: [MLIR][BufferPlacement] Support functions that return Memref typed results

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Buffer placement can now operates on functions that return buffers. These buffers escape from the deallocation phase of buffer placement.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D80696

Files:
  mlir/include/mlir/Transforms/BufferPlacement.h
  mlir/lib/Dialect/Linalg/Transforms/TensorsToBuffers.cpp
  mlir/lib/Transforms/BufferPlacement.cpp
  mlir/test/Transforms/buffer-placement-preparation.mlir
  mlir/test/Transforms/buffer-placement.mlir
  mlir/test/lib/Transforms/TestBufferPlacement.cpp

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