[MLIR][XeGPU] Decouple inst_data and lane_layout in propagation

Author: akroviakov

mlir/include/mlir/Dialect/XeGPU/IR/XeGPUAttrs.td

@@ -379,6 +379,17 @@ def XeGPU_LayoutAttr : XeGPUAttr<"Layout", "layout", [DistributeLayoutAttr]> {
   );
 
   let builders = [
+    AttrBuilder<(ins "llvm::ArrayRef<int32_t>": $inst_data),
+      [{
+        auto sg_layout = DenseI32ArrayAttr();
+        auto sg_data = DenseI32ArrayAttr();
+        auto order = DenseI32ArrayAttr();
+        auto lane_layout = DenseI32ArrayAttr();
+        auto lane_data = DenseI32ArrayAttr();
+        return $_get($_ctxt, sg_layout, sg_data,
+                     DenseI32ArrayAttr::get($_ctxt, inst_data),
+                     lane_layout, lane_data, order);
+      }]>,
     AttrBuilder<(ins "llvm::ArrayRef<int32_t>": $inst_data,
                       "llvm::ArrayRef<int32_t>": $lane_layout,
                      "llvm::ArrayRef<int32_t>": $lane_data),