[all-commits] [llvm/llvm-project] 455f71: [mlir] Convert `expand_shape` to more static form ...

[Ian Wood via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 455f71d28541c3dcb628c4c6f7b53d6eae0f1829
      https://github.com/llvm/llvm-project/commit/455f71d28541c3dcb628c4c6f7b53d6eae0f1829
  Author: Ian Wood <75152913+IanWood1 at users.noreply.github.com>
  Date:   2024-10-24 (Thu, 24 Oct 2024)

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

  Log Message:
  -----------
  [mlir] Convert `expand_shape` to more static form (#112265)

Add pattern that converts a `tensor.expand_shape` op to a more static
form.

This matches the pattern: `tensor.cast` -> `tensor.expand_shape` if it
has a foldable `tensor.cast` and some constant foldable `output_shape`
operands for the `tensor.expand_shape`. This makes the
`tensor.expand_shape` more static, as well as allowing the static
information to be propagated further down in the program.



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