[all-commits] [llvm/llvm-project] 3715de: [mlir] Add use-vector-alignment flag to ConvertVec...

[Lily Orth-Smith via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3715de976e41654db83a0aef5be50790024639ea
      https://github.com/llvm/llvm-project/commit/3715de976e41654db83a0aef5be50790024639ea
  Author: Lily Orth-Smith <lilyorthsmith at gmail.com>
  Date:   2025-05-02 (Fri, 02 May 2025)

  Changed paths:
    M mlir/include/mlir/Conversion/Passes.td
    M mlir/include/mlir/Conversion/VectorToLLVM/ConvertVectorToLLVM.h
    M mlir/include/mlir/Dialect/Vector/TransformOps/VectorTransformOps.td
    M mlir/lib/Conversion/VectorToLLVM/ConvertVectorToLLVM.cpp
    M mlir/lib/Conversion/VectorToLLVM/ConvertVectorToLLVMPass.cpp
    M mlir/lib/Dialect/Vector/TransformOps/VectorTransformOps.cpp
    A mlir/test/Conversion/VectorToLLVM/use-vector-alignment.mlir

  Log Message:
  -----------
  [mlir] Add use-vector-alignment flag to ConvertVectorToLLVMPass (#137389)

In ConvertVectorToLLVM, the only option for setting alignment of
`vector.gather`, `vector.scatter`, and the `vector.load/store` ops was
to extract it from the datatype of the memref type. However, this is
insufficient for hardware backends requiring alignment of vector types.
This PR introduces the `use-vector-alignment` option to the
`ConvertVectorToLLVMPass`, which makes the pass use the alignment of the
vector type of these operations instead of the alignment of the memref
type.

---------

Co-authored-by: Lily Orth-Smith <lorthsmith at microsoft.com>



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