code: def alloc_zero_dim_buffer(a: T.handle, b: T.handle) -> None:
      A = T.match_buffer(a, [], dtype="float32")
      B = T.match_buffer(b, [], dtype="float32")
      # body
      # tir.with block("root")
      C = T.alloc_buffer([], dtype="float32")
      A[()] = T.float32(2)
      C[()] = A[()] + B[()]
      B[()] = C[()]
  
file_path: tvm/tests/python/tvmscript/test_tvmscript_ops.py
imports: import numpy
  import tvm
  import tvm.testing
  from tvm.script import tir
label_desc: Use image node_id 4 for calling a global function with example usage: alloc_zero_dim_buffer(a, b) without return types