1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -muniform-simt -mptx=_" } */
       3  
       4  enum memmodel
       5  {
       6    MEMMODEL_RELAXED = 0
       7  };
       8  
       9  unsigned long long int *p64;
      10  unsigned long long int v64;
      11  
      12  int
      13  main()
      14  {
      15    __atomic_fetch_add (p64, v64, MEMMODEL_RELAXED);
      16  
      17    return 0;
      18  }
      19  
      20  /* { dg-final { scan-assembler-times "atom.add.u64\[\t \]+_," 1 } } */
      21  /* { dg-final { scan-assembler-times "bar.warp.sync" 1 } } */
      22  /* { dg-final { scan-assembler-not "shfl.sync.idx" } } */