How to use the @glimmer/vm.Op.Primitive function in @glimmer/vm

import { LazyConstants, PrimitiveType } from "@glimmer/program";
import { CheckReference } from './-debug-strip';

APPEND_OPCODES.add(Op.ChildScope, vm => vm.pushChildScope());

APPEND_OPCODES.add(Op.PopScope, vm => vm.popScope());

APPEND_OPCODES.add(Op.PushDynamicScope, vm => vm.pushDynamicScope());

APPEND_OPCODES.add(Op.PopDynamicScope, vm => vm.popDynamicScope());

APPEND_OPCODES.add(Op.Constant, (vm: VM & { constants: LazyConstants }, { op1: other }) => {
  vm.stack.push(vm.constants.getOther(other));
});

APPEND_OPCODES.add(Op.Primitive, (vm, { op1: primitive }) => {
  let stack = vm.stack;
  let flag = primitive & 7; // 111
  let value = primitive >> 3;

  switch (flag) {
    case PrimitiveType.NUMBER:
      stack.push(value);
      break;
    case PrimitiveType.FLOAT:
      stack.push(vm.constants.getFloat(value));
      break;
    case PrimitiveType.STRING:
      stack.push(vm.constants.getString(value));
      break;
    case PrimitiveType.BOOLEAN_OR_VOID:
      switch (value) {

APPEND_OPCODES.add(Op.PopScope, vm => vm.popScope(), OpcodeKind.Mut);

APPEND_OPCODES.add(Op.PushDynamicScope, vm => vm.pushDynamicScope(), OpcodeKind.Mut);

APPEND_OPCODES.add(Op.PopDynamicScope, vm => vm.popDynamicScope(), OpcodeKind.Mut);

APPEND_OPCODES.add(
  Op.Constant,
  (vm, { op1: other }) => {
    vm.stack.push((vm[CONSTANTS] as LazyConstants).getOther(other));
  },
  OpcodeKind.Mut
);

APPEND_OPCODES.add(
  Op.Primitive,
  (vm, { op1: primitive }) => {
    let stack = vm.stack;
    let flag = primitive & 7; // 111
    let value = primitive >> 3;

    switch (flag) {
      case PrimitiveType.NUMBER:
        stack.push(value);
        break;
      case PrimitiveType.FLOAT:
        stack.push(vm[CONSTANTS].getNumber(value));
        break;
      case PrimitiveType.STRING:
        stack.push(vm[CONSTANTS].getString(value));
        break;
      case PrimitiveType.BOOLEAN_OR_VOID: