code: def test_tir_op_ptx_mma_sp():
      buffer_a = tir.decl_buffer([32], "int4", scope="local")
      buffer_b = tir.decl_buffer([16], "uint4", scope="local")
      buffer_c = tir.decl_buffer([4], "int32", scope="local")
      buffer_d = tir.decl_buffer([1], "uint32", scope="local")
      expr = tir.ptx_mma_sp(
          "int32",
          "m8n8k32",
          "row",
          "col",
          "int4",
          "uint4",
          "int32",
          buffer_a.data,
          0,
          buffer_b.data,
          0,
          buffer_c.data,
          0,
          buffer_d.data,
          0,
          0,
          False,
      )
      assert expr.op.name == "tir.ptx_mma_sp"
  
imports: import tvm
  import tvm.testing
  from tvm import tir
label_desc: Use image node_id 21 for calling a global function with example usage: test_tir_op_ptx_mma_sp() without return types