[all-commits] [llvm/llvm-project] 9144fe: [mlir] Add option for a cleanup pattern set to SCF...

[Quinn Dawkins via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9144fed31b59089f4e3e5fedf7eb87d2695ef843
      https://github.com/llvm/llvm-project/commit/9144fed31b59089f4e3e5fedf7eb87d2695ef843
  Author: Quinn Dawkins <quinn.dawkins at gmail.com>
  Date:   2024-10-04 (Fri, 04 Oct 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.td
    M mlir/include/mlir/Dialect/SCF/Transforms/TileUsingInterface.h
    M mlir/lib/Dialect/Linalg/TransformOps/LinalgTransformOps.cpp
    M mlir/lib/Dialect/SCF/Transforms/TileUsingInterface.cpp
    M mlir/test/Dialect/Linalg/transform-op-fuse.mlir

  Log Message:
  -----------
  [mlir] Add option for a cleanup pattern set to SCF tiling helper (#109554)

The SCF helper for tiling an operation implementing the TilingInterface
and greedily fusing consumers requires an uninterrupted chain of
operations implementing the tiling interface to succeed. There can be
cases with intermediate ops that don't implement the interface but have
producers that could be fused if various canonicalization/simplification
patterns could run in between fusion steps.

This adds an option to SCFTileAndFuseOptions for a pattern set to run
between fusion steps to the ops that result from fusion/tiling. Removed
and newly inserted slices are tracked for continued fusion applications.

See this RFC for more discussion:

https://discourse.llvm.org/t/rfc-split-fusion-portions-of-the-tilinginterface-into-a-new-interface/81155



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