[all-commits] [llvm/llvm-project] 6c9be2: [mlir][tensor] Fold identity `reshape` of 0d-tenso...

[Markus Böck via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6c9be27b526fe1742755778948d0129ace92d357
      https://github.com/llvm/llvm-project/commit/6c9be27b526fe1742755778948d0129ace92d357
  Author: Markus Böck <markus.boeck02 at gmail.com>
  Date:   2025-07-02 (Wed, 02 Jul 2025)

  Changed paths:
    M mlir/lib/Dialect/Tensor/IR/TensorOps.cpp
    M mlir/test/Dialect/Tensor/canonicalize.mlir

  Log Message:
  -----------
  [mlir][tensor] Fold identity `reshape` of 0d-tensors (#146375)

Just like 1d-tensors, reshapes of 0d-tensors (aka scalars) are always
no-folds as they only have one possible layout. This PR adds logic to
the `fold` implementation to optimize these away as is currently
implemented for 1d tensors.



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