[all-commits] [llvm/llvm-project] 5e0ded: [mlir][Standard] Canonicalize chains of tensor_cas...

[Stephan Herhut via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e0ded268929b87ddf2c5e077c9185554342f602
      https://github.com/llvm/llvm-project/commit/5e0ded268929b87ddf2c5e077c9185554342f602
  Author: Stephan Herhut <herhut at google.com>
  Date:   2020-09-17 (Thu, 17 Sep 2020)

  Changed paths:
    M mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
    M mlir/lib/Dialect/StandardOps/IR/Ops.cpp
    M mlir/test/Transforms/canonicalize.mlir

  Log Message:
  -----------
  [mlir][Standard] Canonicalize chains of tensor_cast operations

Adds a pattern that replaces a chain of two tensor_cast operations by a single tensor_cast operation if doing so will not remove constraints on the shapes.