code: def _dense_legalize(attrs, inputs, arg_types):
      """Legalizes s8, s8 -> s32 dense for VNNI."""
      return int8_int8_legalize(
          inputs, arg_types, relay.nn.dense, attrs
      )
  
file_path: tvm/python/tvm/topi/x86/dense_alter_op.py
imports: import tvm
  from tvm import autotvm, relay, te
  from tvm.target.codegen import target_has_features
  from ..None import nn
  from ..nn import dense_alter_layout
  from ..utils import get_const_tuple
  from .dense import _default_dense_pack_config
label_desc: Use image node_id 4 for calling a global function with example usage: _dense_legalize(attrs, inputs, arg_types) and returns: int8_int8_legalize