code: def test_vectorize_init():
      s = tir.Schedule(decomposed_gemm, debug_mask="all")
      init_blk = s.get_block("init")
      upd_blk = s.get_block("update")
      _, _, ii_0, jj_0 = s.get_loops(init_blk)
      _, _, k_1, ii_1, jj_1 = s.get_loops(upd_blk)
      s.vectorize(jj_0)
      assert_structural_equal_ignore_global_symbol(
          s.mod["main"], decomposed_gemm_parallelize_init
      )
      verify_trace_roundtrip(s, mod=decomposed_gemm)
  
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 47 for calling a global function with example usage: test_vectorize_init() without return types