code: def wrapped_gemm_bias_mul(a, b, bias):
      lin_res = torch.nn.functional.linear(a, b, bias=bias)
      mul_res = lin_res * a
      return lin_res, mul_res
  
imports: import os
  import sys
  import torch
  from torch.fx import symbolic_trace, subgraph_rewriter
  from torch.fx.annotate import annotate
  from torch.fx.experimental.rewriter import RewritingTracer
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 1 for calling a global function with example usage: wrapped_gemm_bias_mul(a, b, bias) and returns: lin_res,  mul_res