[all-commits] [llvm/llvm-project] 2c06fb: [MLIR][Vector] Generalize DropUnitDimFromElementwi...

[Hugo Trachino via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c06fb899966b49ff0fe4adf55fceb7d1941fbca
      https://github.com/llvm/llvm-project/commit/2c06fb899966b49ff0fe4adf55fceb7d1941fbca
  Author: Hugo Trachino <hugo.trachino at huawei.com>
  Date:   2024-06-20 (Thu, 20 Jun 2024)

  Changed paths:
    M mlir/lib/Dialect/Vector/Transforms/VectorTransforms.cpp
    M mlir/test/Dialect/Vector/vector-transfer-flatten.mlir

  Log Message:
  -----------
  [MLIR][Vector] Generalize DropUnitDimFromElementwiseOps to non leading / trailing dimensions. (#92934)

Generalizes `DropUnitDimFromElementwiseOps` to support inner unit
dimensions.
This change stems from improving lowering of contractionOps for Arm SME.
Where we end up with inner unit dimensions on MulOp, BroadcastOp and
TransposeOp, preventing the generation of outerproducts.
discussed
[here](https://discourse.llvm.org/t/on-improving-arm-sme-lowering-resilience-in-mlir/78543/17?u=nujaa).

---------

Co-authored-by: Benjamin Maxwell <macdue at dueutil.tech>



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