[all-commits] [llvm/llvm-project] 6e0166: [mlir][scf] Remove identical `scf.for` iter args

[jeffniu-openai via All-commits]

  Branch: refs/heads/users/mogball/scf
  Home:   https://github.com/llvm/llvm-project
  Commit: 6e01664829f3563985988fbd3502ab24aece98d1
      https://github.com/llvm/llvm-project/commit/6e01664829f3563985988fbd3502ab24aece98d1
  Author: Jeff Niu <jeffniu at openai.com>
  Date:   2025-02-13 (Thu, 13 Feb 2025)

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

  Log Message:
  -----------
  [mlir][scf] Remove identical `scf.for` iter args

This augments the iter arg canonicalizer to remove iter args that always
have the same value, i.e. their correpsonding init and yielded values
are the same.



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