[all-commits] [llvm/llvm-project] edbc0e: [mlir][loops] Reland Refactor LoopFuseSiblingOp an...

[srcarroll via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: edbc0e30a9e587cee1189be023b9385adc2f239a
      https://github.com/llvm/llvm-project/commit/edbc0e30a9e587cee1189be023b9385adc2f239a
  Author: srcarroll <50210727+srcarroll at users.noreply.github.com>
  Date:   2024-07-03 (Wed, 03 Jul 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/SCF/IR/SCFOps.td
    M mlir/include/mlir/Dialect/SCF/Utils/Utils.h
    M mlir/include/mlir/Interfaces/LoopLikeInterface.h
    M mlir/lib/Dialect/SCF/IR/SCF.cpp
    M mlir/lib/Dialect/SCF/TransformOps/SCFTransformOps.cpp
    M mlir/lib/Dialect/SCF/Transforms/ParallelLoopFusion.cpp
    M mlir/lib/Dialect/SCF/Utils/Utils.cpp
    M mlir/lib/Interfaces/LoopLikeInterface.cpp
    M mlir/test/Dialect/SCF/transform-loop-fuse-sibling.mlir

  Log Message:
  -----------
  [mlir][loops] Reland Refactor LoopFuseSiblingOp and support parallel fusion #94391 (#97607)

The refactor had a bug where the fused loop was inserted in an incorrect
location. This patch fixes the bug and relands the original PR
https://github.com/llvm/llvm-project/pull/94391.

This patch refactors code related to LoopFuseSiblingOp transform in
attempt to reduce duplicate common code. The aim is to refactor as much
as possible to a functions on LoopLikeOpInterfaces, but this is still a
work in progress. A full refactor will require more additions to the
LoopLikeOpInterface.

In addition, scf.parallel fusion support has been added.



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