[all-commits] [llvm/llvm-project] 5b66b6: [mlir][pass] Add composite pass utility (#87166)

[Ivan Butygin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5b66b6a32ad89562732ad6a81c84783486b6187a
      https://github.com/llvm/llvm-project/commit/5b66b6a32ad89562732ad6a81c84783486b6187a
  Author: Ivan Butygin <ivan.butygin at gmail.com>
  Date:   2024-04-02 (Tue, 02 Apr 2024)

  Changed paths:
    M mlir/include/mlir/Transforms/Passes.h
    M mlir/include/mlir/Transforms/Passes.td
    M mlir/lib/Transforms/CMakeLists.txt
    A mlir/lib/Transforms/CompositePass.cpp
    A mlir/test/Transforms/composite-pass.mlir
    M mlir/test/lib/Transforms/CMakeLists.txt
    A mlir/test/lib/Transforms/TestCompositePass.cpp
    M mlir/tools/mlir-opt/mlir-opt.cpp

  Log Message:
  -----------
  [mlir][pass] Add composite pass utility (#87166)

Composite pass allows to run sequence of passes in the loop until fixed
point or maximum number of iterations is reached. The usual candidates
are canonicalize+CSE as canonicalize can open more opportunities for CSE
and vice-versa.



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