code: def mm_pattern(mat1: Tensor, mat2: Tensor) -> Tensor:
      return aten.mm(mat1, mat2)
  
imports: import functools
  from typing import List, Optional
  import torch
  from torch import Tensor
  from torch._inductor import utils
  from torch.utils._mode_utils import no_dispatch
  from torch.utils._triton import has_triton
  from ..pattern_matcher import fwd_only, joint_fwd_bwd, Match, register_replacement
label_desc: Use image node_id 19 for calling a global function with example usage: mm_pattern(mat1, mat2) and returns: aten