code: def test_equal_expr():
      x = te.var("x")
      y = te.var("y")
  
      def func1():
          return x + y + 1
  
      def func2():
          return te.exp(tvm.tir.truncdiv((x + y + 1) * y, 4))
  
      assert tvm.tir.analysis.expr_deep_equal(func1(), func1())
      assert tvm.tir.analysis.expr_deep_equal(func2(), func2())
      assert not tvm.tir.analysis.expr_deep_equal(func2(), func1())
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_equal_expr() and returns: unknown, te