[Mlir-commits] [mlir] [mlir][ArmSME] Pattern to swap shape_cast(tranpose) with transpose(shape_cast) (PR #100731)

[Andrzej Warzyński]

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@@ -774,6 +774,94 @@ struct ConvertIllegalShapeCastOpsToTransposes
   }
 };
 
+/// Returns an iterator over the dims (inc scalability) of a VectorType.
+static auto getDims(VectorType vType) {
+  return llvm::zip_equal(vType.getShape(), vType.getScalableDims());
+}
+
+/// Helper to drop unit dims from a VectorType.
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banach-space wrote:

I know that you don't like "scalable unit", but perhaps just add a note that this is meant to be a fixed-width "unit" so that it's more explicit?

https://github.com/llvm/llvm-project/pull/100731