code: def test_shfl_xor(self, dtype):
      @jit.rawkernel()
      def f_shfl_xor(a):
          laneId = jit.threadIdx.x & 0x1F
          value = 31 - laneId
          i = 16
          while i >= 1:
              value += jit.shfl_xor_sync(0xFFFFFFFF, value, i)
              i //= 2
          a[jit.threadIdx.x] = value
  
      a = cupy.arange(32, dtype=dtype)
      b = a.copy()
      f_shfl_xor[1, 32](a)
      assert (a == b.sum() * cupy.ones(32, dtype=dtype)).all()
  
imports: import numpy
  import pytest
  import cupy
  from cupyx import jit
  from cupy import testing
  from cupy.cuda import device
  from cupy.cuda import runtime
label_desc: Use image node_id 43 for calling the TestRaw obj's underlying member method code with example usage: obj.test_shfl_xor(dtype) without return types