[all-commits] [llvm/llvm-project] 9f3ac7: [MLIR][XeGPU] Fix issue with expandDim (#203299)

[Sang Ik Lee via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9f3ac763bd8c4be2db1a97cec13bb59c87a9595f
      https://github.com/llvm/llvm-project/commit/9f3ac763bd8c4be2db1a97cec13bb59c87a9595f
  Author: Sang Ik Lee <sang.ik.lee at intel.com>
  Date:   2026-06-12 (Fri, 12 Jun 2026)

  Changed paths:
    M mlir/lib/Dialect/XeGPU/IR/XeGPUDialect.cpp
    M mlir/test/Dialect/XeGPU/propagate-layout-subgroup.mlir

  Log Message:
  -----------
  [MLIR][XeGPU] Fix issue with expandDim (#203299)

In case, sgData is replicated or
bool sgDataReplicated = hasSgData && origSgDataDim ==
computeProduct(targetShape);
sgDataReplicate is evaluated to "true"
dimSizeCap and perSgShape shouldn't be divided by expSgLayout

Add a regression test (shape_cast_collapse_replicated) covering the
replicated sg_data collapse.



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