code: def tir_matmul_int64(
      A: T.Buffer((T.int64(128), T.int64(128)), "float32"),
      B: T.Buffer((T.int64(128), T.int64(128)), "float32"),
      C: T.Buffer((T.int64(128), T.int64(128)), "float32"),
  ) -> None:
      T.func_attr({"global_symbol": "main", "tir.noalias": True})
      for i0, j0, k0 in T.grid(
          T.int64(128), T.int64(128), T.int64(128)
      ):
          with T.block():
              i, j, k = T.axis.remap("SSR", [i0, j0, k0])
              with T.init():
                  C[i, j] = 0.0
              C[i, j] += A[i, k] * B[j, k]
  
imports: import numpy
  import tvm
  import tvm.testing
  from tvm import te, tir, topi, relay
  from tvm.script import tir
  import pytest
label_desc: Use image node_id 6 for calling a global function with example usage: tir_matmul_int64(A, B, C) without return types