[all-commits] [llvm/llvm-project] a7a4c1: [mlir][Vector] Support efficient shape cast loweri...

[Diego Caballero via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a7a4c16c672bdd8e245af533a1f170522e26e42a
      https://github.com/llvm/llvm-project/commit/a7a4c16c672bdd8e245af533a1f170522e26e42a
  Author: Diego Caballero <dieg0ca6aller0 at gmail.com>
  Date:   2025-01-27 (Mon, 27 Jan 2025)

  Changed paths:
    M mlir/lib/Dialect/Vector/Transforms/LowerVectorShapeCast.cpp
    M mlir/test/Dialect/Vector/vector-shape-cast-lowering-transforms.mlir

  Log Message:
  -----------
  [mlir][Vector] Support efficient shape cast lowering for n-D vectors (#123497)

This PR implements a generalization of the existing more efficient
lowering of shape casts from 2-D to 1D and 1-D to 2-D vectors. This
significantly reduces code size and generates more performant code for
n-D shape casts that make their way to LLVM/SPIR-V.



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