[Mlir-commits] [mlir] [MLIR][XeGPU] refine verifier for TensorDescType (PR #137226)

[Chao Chen]

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@@ -30,6 +31,61 @@ void XeGPUDialect::initialize() {
       >();
 }
 
+bool XeGPUDialect::isEvenlyDistributable(llvm::ArrayRef<int64_t> shape,
+                                         xegpu::LayoutAttr attr) {
+  assert(attr && "Layout attribute is missing.");
+
+  auto getSubShapeOrNull =
+      [&](llvm::ArrayRef<int64_t> shape, DenseI32ArrayAttr layout,
+          DenseI32ArrayAttr data,
+          bool use_rr = true) -> std::optional<SmallVector<int64_t>> {
+    llvm::SmallVector<int64_t> newShape(shape);
+    if (layout) {
+      auto vec = llvm::to_vector_of<int64_t>(layout.asArrayRef());
+      if (vec.size() != shape.size())
+        return std::nullopt;
+      auto ratio = computeShapeRatio(shape, vec);
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chencha3 wrote:

This is upstream util, cannot rename it. 

https://github.com/llvm/llvm-project/pull/137226