[mlir][vector] Use getShapeForUnroll's default implementation.

Author: amd-eochoalo

mlir/include/mlir/Dialect/Vector/IR/VectorOps.td

@@ -1652,7 +1652,7 @@ def Vector_TransferWriteOp :
 }
 
 def Vector_LoadOp : Vector_Op<"load", [
-    DeclareOpInterfaceMethods<VectorUnrollOpInterface, ["getShapeForUnroll"]>,
+    DeclareOpInterfaceMethods<VectorUnrollOpInterface>,
     DeclareOpInterfaceMethods<MemorySpaceCastConsumerOpInterface>
   ]> {
   let summary = "reads an n-D slice of memory into an n-D vector";

mlir/lib/Dialect/Vector/IR/VectorOps.cpp

@@ -5762,10 +5762,6 @@ OpFoldResult LoadOp::fold(FoldAdaptor) {
   return OpFoldResult();
 }
 
-std::optional<SmallVector<int64_t, 4>> LoadOp::getShapeForUnroll() {
-  return llvm::to_vector<4>(getVectorType().getShape());
-}
-
 FailureOr<std::optional<SmallVector<Value>>>
 LoadOp::bubbleDownCasts(OpBuilder &builder) {
   return mlir::detail::bubbleDownInPlaceMemorySpaceCastImpl(getBaseMutable(),