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

Author: amd-eochoalo

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

@@ -731,7 +731,7 @@ def Vector_ExtractOp :
 def Vector_FMAOp :
   Op<Vector_Dialect, "fma", [
        Pure, AllTypesMatch<["lhs", "rhs", "acc", "result"]>,
-       DeclareOpInterfaceMethods<VectorUnrollOpInterface, ["getShapeForUnroll"]>
+       DeclareOpInterfaceMethods<VectorUnrollOpInterface>
      ] # ElementwiseMappable.traits>,
     Arguments<(ins VectorOfAnyRankOf<[AnyFloat]>:$lhs,
                    VectorOfAnyRankOf<[AnyFloat]>:$rhs,

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

@@ -2374,14 +2374,6 @@ static void populateFromInt64AttrArray(ArrayAttr arrayAttr,
     results.push_back(llvm::cast<IntegerAttr>(attr).getInt());
 }
 
-//===----------------------------------------------------------------------===//
-// FmaOp
-//===----------------------------------------------------------------------===//
-
-std::optional<SmallVector<int64_t, 4>> FMAOp::getShapeForUnroll() {
-  return llvm::to_vector<4>(getVectorType().getShape());
-}
-
 //===----------------------------------------------------------------------===//
 // ToElementsOp
 //===----------------------------------------------------------------------===//