code: def test_vectorize():
      s = tir.Schedule(element_wise_compute_at_split, debug_mask="all")
      _, _, j1i = s.get_loops(s.get_block("C"))
      s.vectorize(j1i)
      assert_structural_equal_ignore_global_symbol(
          s.mod["main"], element_wise_compute_at_split_vectorized
      )
      verify_trace_roundtrip(s, mod=element_wise_compute_at_split)
  
imports: import sys
  import pytest
  import tvm
  import tvm.testing
  from tvm import tir
  from tvm.script import tir
  from tvm.tir.schedule.testing import verify_trace_roundtrip, assert_structural_equal_ignore_global_symbol
label_desc: Use image node_id 33 for calling a global function with example usage: test_vectorize() without return types