code: def test_dce_in_layouts(self):
      def f(x, y, z, a, b, c):
          return z * 2, b.T
  
      shape = (8, 2)
      inps = [np.arange(math.prod(shape)).reshape(shape)] * 6
      compiled = (
          jax.jit(f)
          .lower(
              *inps, _in_layouts=layout.AUTO, _out_layouts=layout.AUTO
          )
          .compile()
      )
      arg_layouts, _ = compiled._input_layouts()
      out1, out2 = compiled(*inps)
  
      compiled2 = (
          jax.jit(f).lower(*inps, _in_layouts=arg_layouts).compile()
      )
      out3, out4 = compiled2(*inps)
  
      for l1, l2 in safe_zip(
          arg_layouts, compiled2._input_layouts()[0]
      ):
          self.assertEqual(l1, l2)
  
      self.assertArraysEqual(out1, out3)
      self.assertArraysEqual(out2, out4)
  
imports: import math
  import os
  from absl.testing import absltest
  import numpy
  import jax
  from jax.sharding import NamedSharding, PartitionSpec
  from jax._src import config
  from jax._src import layout
  from jax._src import test_util
  from jax._src.util import safe_zip
  from jax._src import xla_bridge
  from jax._src.lib import xla_extension_version
label_desc: Use image node_id 6 for calling the LayoutTest obj's underlying member method code with example usage: obj.test_dce_in_layouts() and returns: unknown,  b