// Don't make other Acquire calls block on one that's doomed to fail.
		s.mu.Unlock()
		<-done
		return ctx.Err()
	}

	ready := make(chan struct{})
	w := waiter{n: n, ready: ready}
	elem := s.waiters.PushBack(w)
	s.mu.Unlock()

	select {
	case <-done:
		s.mu.Lock()
		select {
		case <-ready:
			// Acquired the semaphore after we were canceled.
			// Pretend we didn't and put the tokens back.
			s.cur -= n

  // Initialize function arguments
  all_arguments_.push_back(OpArgumentView("AbstractContext*", "ctx"));
  for (const auto& arg : op_.Inputs()) {
    all_arguments_.push_back(OpArgumentView(arg));
  }
  for (const auto& arg : op_.Outputs()) {
    all_arguments_.push_back(OpArgumentView(arg));
  }
  for (const auto& attr : op.Attributes()) {
    all_arguments_.push_back(OpArgumentView(attr));
  }

      for (const auto& item : value.list().i())
        attrs.push_back(builder->getI64IntegerAttr(item));
      for (const auto& item : value.list().s())
        attrs.push_back(builder->getStringAttr(item));
      for (const auto& item : value.list().f())
        attrs.push_back(builder->getFloatAttr(builder->getF32Type(), item));
      for (const auto& item : value.list().b())
        attrs.push_back(builder->getBoolAttr(item));

  llvm::SmallVector<mlir::Type, 4> operand_types;
  if (options.has_chain) operand_types.push_back(chain_type);
  if (parser.resolveOperands(in_chains, operand_types, loc, result.operands) ||
      parser.resolveOperands(operands, tensor_type, result.operands))
    return mlir::failure();

  if (options.has_chain) result.types.push_back(chain_type);
  result.types.append(num_results, tensor_type);

                func.getArgAttrOfType<mlir::StringAttr>(i, "tf.device")) {
          input_devices.push_back(input_device.getValue());
        } else {
          input_devices.push_back("");
        }
      }
      if (auto* bound_input =
              mlir::tf_saved_model::LookupBoundInput(func, i, symbol_table)) {
        bound_inputs.push_back(bound_input);
      }
    }

    llvm::SmallVector<llvm::StringRef, 4> output_names;

        auto newTy = QuantizedType::castToExpressedType(operand.getType());
        newOperands.push_back(
            rewriter.create<TFL::DequantizeOp>(loc, newTy, operand));
        continue;
      }

      newOperands.push_back(operand);
    }

    SmallVector<Type> newResultTys;
    for (auto result : op->getResults()) {
      Type resultTy = result.getType();

    if (aggregator_ops_to_ignore.count(op.getId().str())) continue;

    ids.push_back(op.getId());
    calibration_methods.push_back(op.getCalibrationMethod());
    statistics_outputs.push_back(op.getMin());
    statistics_outputs.push_back(op.getMax());
    statistics_outputs.push_back(op.getHistogram());
  }
}

// Inserts a `CalibrationStatisticsSaverOp` to the end of the region.

      if (wordStart) {
        result.push_back(delimiter);
      }
      wordStart = true;
      continue;
    }
    if (!from_snake && isupper(c)) {
      wordStart = true;
    }

    // add delimiter
    if (wordStart && toSnake && !inputStart) {
      result.push_back(delimiter);
    }

    // add the next letter from the input string (choosing upper/lower case)

  if (!main_fn) return std::string("");

  flatbuffers::FlatBufferBuilder fb_builder;
  std::vector<mlir::func::FuncOp> funcs;
  funcs.push_back(main_fn);
  module.walk([&](mlir::func::FuncOp fn) {
    if (fn != main_fn) {
      funcs.push_back(fn);
    }
  });

  // Populate the hardware metadata.
  // And collect the hardwares used.
  std::map<std::string, uint8_t> hardware_map;

    func_operand_types.reserve(operands.size());
    for (Value operand : operands)
      func_operand_types.push_back(operand.getType());

    // Function results are the yield operands
    SmallVector<Type, 16> func_result_types;
    for (Value operand : island_op.GetYield().getOperands())
      func_result_types.push_back(operand.getType());
    FunctionType func_type =