code: def test_cat_addmm(self):
      def fn(a, b, c):
          return torch.cat(
              [
                  torch.addmm(a, b, c),
                  torch.addmm(b, c, a),
                  torch.addmm(c, a, b),
              ],
              1,
          )
  
      args = [
          torch.randn(16, 16, device="cuda"),
          torch.randn(16, 16, device="cuda"),
          torch.randn(16, 16, device="cuda"),
      ]
      self.common(fn, args, 2, 5)
  
imports: import copy
  import unittest
  import torch
  import torch._dynamo.config
  import torch._inductor.config
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._dynamo.utils import count_calls, counters
  from torch._higher_order_ops.out_dtype import out_dtype
  from torch._inductor.fx_passes import joint_graph
  from torch._inductor.fx_passes.serialized_patterns.central_index import get_serialized_pattern
  from torch._inductor.pattern_matcher import _TargetExpr, Arg, CallFunction, gen_pattern, KeywordArg, Match, PatternExpr, PatternMatcherPass, PatternPrettyPrinter, register_graph_pattern, stable_topological_sort
  from torch._inductor.utils import run_and_get_code
  from torch._inductor.virtualized import V
  from torch.testing import FileCheck
  from torch.testing._internal.common_cuda import SM80OrLater
  from torch.testing._internal.common_utils import IS_LINUX, skipIfRocm
  from torch.testing._internal.inductor_utils import HAS_CUDA
label_desc: Use image node_id 20 for calling the TestPatternMatcher obj's underlying member method code with example usage: obj.test_cat_addmm() and returns: torch