code: def testGetCompilerIr(self, stage):
      @def_function.function(jit_compile=True)
      def test_func(x):
          return 2 * x
  
      a = array_ops.ones((1000, 1000))  # 4 * 1000 * 1000 in bytes
      result = test_func.experimental_get_compiler_ir(a)(stage=stage)
      self.assertNotEmpty(result)
      if stage == "optimized_hlo_proto_serialized":
          hlo_proto = hlo_pb2.HloProto.FromString(result)
          allocations = hlo_proto.buffer_assignment.buffer_allocations
          buffer_size = sum(
              getattr(allocation, "size") for allocation in allocations
          )
          # The sizes of input and output are both 4 * 1000 * 1000 in bytes.
          self.assertGreaterEqual(buffer_size, 2 * 4 * 1000 * 1000)
          self.assertLess(buffer_size, 4 * 4 * 1000 * 1000)
  
imports: import weakref
  from absl.testing import parameterized
  import numpy
  from xla.service import hlo_pb2
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 13 for calling the ContextTest obj's underlying member method code with example usage: obj.testGetCompilerIr(stage) and returns: unknown