[all-commits] [llvm/llvm-project] d820ac: [mlir][bufferize][NFC] Use custom walk instead of ...

Fri Apr 22 02:23:36 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d820acdde1986788c88a1f68552ae96bb5b57431
      https://github.com/llvm/llvm-project/commit/d820acdde1986788c88a1f68552ae96bb5b57431
  Author: Matthias Springer <springerm at google.com>
  Date:   2022-04-22 (Fri, 22 Apr 2022)

  Changed paths:
    M mlir/include/mlir/Dialect/Bufferization/IR/Bufferization.h
    M mlir/lib/Dialect/Bufferization/IR/BufferizationOps.cpp
    M mlir/lib/Dialect/Bufferization/Transforms/Bufferize.cpp
    M mlir/test/Dialect/Linalg/comprehensive-module-bufferize.mlir
    M mlir/test/Dialect/Tensor/bufferize.mlir

  Log Message:
  -----------
  [mlir][bufferize][NFC] Use custom walk instead of GreedyPatternRewriter

The bufferization driver was previously using a GreedyPatternRewriter. This was problematic because bufferization must traverse ops top-to-bottom. The GreedyPatternRewriter was previously configured via `useTopDownTraversal`, but this was a hack; this API was just meant for performance improvements and should not affect the result of the rewrite.

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Differential Revision: https://reviews.llvm.org/D123618