[all-commits] [llvm/llvm-project] 747620: [mlir] [XeGPU] Add XeGPU workgroup to subgroup pas...

[Nishant Patel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 747620db2a02b889ae3ba3921d6c0e526a3e7677
      https://github.com/llvm/llvm-project/commit/747620db2a02b889ae3ba3921d6c0e526a3e7677
  Author: Nishant Patel <nishant.b.patel at intel.com>
  Date:   2025-05-20 (Tue, 20 May 2025)

  Changed paths:
    M mlir/include/mlir/Dialect/XeGPU/Transforms/Passes.td
    M mlir/include/mlir/Dialect/XeGPU/Transforms/Transforms.h
    M mlir/lib/Dialect/XeGPU/Transforms/CMakeLists.txt
    A mlir/lib/Dialect/XeGPU/Transforms/XeGPUWgToSgDistribute.cpp
    A mlir/test/Dialect/XeGPU/xegpu-wg-to-sg-rr.mlir
    A mlir/test/Dialect/XeGPU/xegpu-wg-to-sg.mlir

  Log Message:
  -----------
  [mlir] [XeGPU] Add XeGPU workgroup to subgroup pass (#139477)

This PR adds the XeGPU workgroup (wg) to subgroup (sg) pass. The wg to
sg pass transforms the xegpu wg level operations to subgroup operations
based on the sg_layout and sg_data attribute. The PR adds transformation
patterns for following Ops

1. CreateNdDesc
2. LoadNd
3. StoreNd
4. PrefetchNd
4. UpdateNdOffset
5. Dpas



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