[all-commits] [llvm/llvm-project] 8d6469: [mlir][vector] Add lower-vector-multi-reduction pa...

[xiaoleis-nv via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8d6469b0e02c4c7bd1d496972c63ed3e2de0e077
      https://github.com/llvm/llvm-project/commit/8d6469b0e02c4c7bd1d496972c63ed3e2de0e077
  Author: xiaoleis-nv <99947620+xiaoleis-nv at users.noreply.github.com>
  Date:   2024-04-09 (Tue, 09 Apr 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/Vector/Transforms/Passes.h
    M mlir/include/mlir/Dialect/Vector/Transforms/Passes.td
    M mlir/lib/Dialect/Vector/Transforms/LowerVectorMultiReduction.cpp
    A mlir/test/Dialect/Vector/vector-multi-reduction-pass-lowering.mlir

  Log Message:
  -----------
  [mlir][vector] Add lower-vector-multi-reduction pass (#87333)

This MR adds the `lower-vector-multi-reduction` pass to lower the
vector.multi_reduction operation.

While the Transform Dialect includes an operation,
`transform.apply_patterns.vector.lower_multi_reduction`, intended for a
similar purpose, its utility is limited to projects that have adopted
the Transform Dialect. Recognizing that not all projects are equipped to
integrate this dialect, the proposed pass serves as a vital standalone
alternative. It ensures that projects solely dependent on the
traditional pass infrastructure can also benefit from the optimized
lowering of `multi_reduction` operation.

---------

Co-authored-by: Xiaolei Shi <xiaoleis at nvidia.com>



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