message: Update 2 instances of isa<BlockArgument>
diff: @@ -33,12 +33,12 @@ using namespace mlir::linalg;
  using llvm::dbgs;
  Value *Aliases::find(Value *v) {
  - if (v->getKind() == Value::Kind::BlockArgument)
  + if (isa<BlockArgument>(v))
  return v;
  auto it = aliases.find(v);
  if (it != aliases.end()) {
  - assert(((it->getSecond()->getKind() == Value::Kind::BlockArgument &&
  + assert(((isa<BlockArgument>(it->getSecond()) &&
  it->getSecond()->getType().isa<ViewType>()) ||
  it->getSecond()->getType().isa<BufferType>()) &&
  "Buffer or block argument expected");
  