[all-commits] [llvm/llvm-project] a7ede5: [mlir][XeGPU] Add XeGPU Workgroup to Subgroup Dist...

[Nishant Patel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a7ede51b556f40163db9e3cc67c98c27ba2364d8
      https://github.com/llvm/llvm-project/commit/a7ede51b556f40163db9e3cc67c98c27ba2364d8
  Author: Nishant Patel <nishant.b.patel at intel.com>
  Date:   2025-05-21 (Wed, 21 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 Distribution Pass  (#140805)

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
5. UpdateNdOffset
6. Dpas



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