def HasOnlyReadVariableOpUsers : Constraint<
  CPred<"llvm::all_of($0.getUsers(), [](mlir::OpOperand op) { "
        "return llvm::isa<mlir::TF::ReadVariableOp>(op.getOwner()); })">>;

def CopyAttrs: NativeCodeCallVoid<"CopyDeviceAndUnderscoredAttributesAdaptor($0, $1)">;

//===----------------------------------------------------------------------===//
// Add op patterns.

// Convert clamp(lo, x, hi) to clipbyvalue(x, lo, hi).
def Clamp: NativeCodeCall<
    "$_builder.create<TF::ClipByValueOp>("
    "  $0.getLoc(),"
    "  $2.getType(), $2, $1, $3)">;

def CopyXlaOutsideCompilationAttr: NativeCodeCallVoid<
    "CopyXlaOutsideCompilationAttributesAdaptor($0, $1)">;

def DecomposeAssignAddVariableOp :
  Pat<
    (TF_AssignAddVariableOp:$src_op $resource, $value),
    (TF_AssignVariableOp
      $resource,