code: def simplify(expr):
      """Simplify the expression if it is Expr, directly return if it is int.
  
      Parameters
      ----------
      expr : Expr or int
          The input.
  
      Returns
      -------
      out : Expr or int
          The simplified output
      """
      return (
          tvm.arith.Analyzer().simplify(expr)
          if isinstance(expr, tvm.tir.PrimExpr)
          else expr
      )
  
imports: from __future__ import absolute_import
  from numbers import Integral
  import numpy
  import tvm
  from tvm import te
  from tvm.tir import Any, SizeVar, bijective_layout, layout
  from .None import cpp, tag
label_desc: Use image node_id 13 for calling a global function with example usage: simplify(expr) and returns: unknown