code: def test_conv2d_silu(self, dtype):
      class M(nn.Module):
          def __init__(self, inplace):
              super().__init__()
              self.conv1 = nn.Conv2d(32, 32, 3, padding=1, bias=True)
              self.conv2 = nn.Conv2d(32, 32, 3, padding=1, bias=True)
              self.eltwise = nn.SiLU(inplace=inplace)
  
          def forward(self, x):
              x = self.conv1(x)
              x = self.eltwise(x)
              x = self.conv2(x)
              return x
  
      for inplace in [False, True]:
          for memory_format in [
              torch.contiguous_format,
              torch.channels_last,
          ]:
              m = M(inplace)
              x = torch.rand(1, 32, 28, 28).to(
                  memory_format=memory_format
              )
  
              _, graph = self.checkTrace(m, [x], dtype)
              self.assertGraphContainsExactly(
                  graph, LLGA_FUSION_GROUP, 2
              )
              # oneDNN graph does not have silu OP. The bridge will convert silu to sigmoid - mul
              # Inplace op will become outplace op on the JIT graph
              patterns = [
                  ["aten::_convolution", "aten::sigmoid", "aten::mul"],
                  ["aten::_convolution"],
              ]
              silu_op = "aten::silu_" if inplace else "aten::silu"
              self.assertFused(graph, ["aten::_convolution", silu_op])
              self.checkPatterns(graph, patterns)
  
imports: import sys
  import torch
  import unittest
  import itertools
  import torch.nn
  from functools import wraps
  from concurrent import futures
  import torch.nn.functional
  import torch.fx.experimental.optimization
  from torch.testing._internal.jit_utils import JitTestCase
  from torch.testing._internal.common_utils import run_tests, TEST_SCIPY, IS_WINDOWS, IS_MACOS
  from torch.testing._internal.common_device_type import instantiate_device_type_tests, onlyCPU, dtypes
label_desc: Use image node_id 2 for calling the TestFusionPattern obj's underlying member method code with example usage: obj.test_conv2d_silu(dtype) and returns: x