[Mlir-commits] [mlir] [XeGPU] Add sg_map for scatter verification (PR #124300)

[Adam Siemieniuk]

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@@ -453,7 +453,16 @@ LogicalResult CreateDescOp::verify() {
   if (shape != tdescShape)
     return emitOpError("Incorrect TensorDesc shape. ")
            << "Expected is " << makeString(shape) << "\n";
-
+  if (auto sgMap = tdescTy.getSGMapAttr()) {
+    if (sgMap.getWiData()[0] > 1)
+      return emitOpError("TensorDesc cannot have wi_data[0] > 1.");
+    if (chunkSize != static_cast<int>(sgMap.getWiData()[1]))
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adam-smnk wrote:

I'm not sure about rules here. Wouldn't distribution still be valid when `chunk_size >= wi_data[1]`?

https://github.com/llvm/llvm-project/pull/124300