1  /* { dg-do compile } */
       2  /* { dg-require-effective-target fopenmp } */
       3  /* { dg-require-effective-target vect_int } */
       4  /* { dg-additional-options "-fopenmp -fipa-pta" } */
       5  
       6  extern void abort (void);
       7  
       8  #define nEvents 1000
       9  
      10  static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
      11  init (unsigned *results, unsigned *pData)
      12  {
      13    unsigned int i;
      14    for (i = 0; i < nEvents; ++i)
      15      pData[i] = i % 3;
      16  }
      17  
      18  static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
      19  check (unsigned *results)
      20  {
      21    unsigned sum = 0;
      22    for (int idx = 0; idx < (int)nEvents; idx++)
      23      sum += results[idx];
      24  
      25    if (sum != 1998)
      26      abort ();
      27  }
      28  
      29  int
      30  main (void)
      31  {
      32    unsigned results[nEvents];
      33    unsigned pData[nEvents];
      34    unsigned coeff = 2;
      35  
      36    init (&results[0], &pData[0]);
      37  
      38  #pragma omp parallel for
      39    for (int idx = 0; idx < (int)nEvents; idx++)
      40      results[idx] = coeff * pData[idx];
      41  
      42    check (&results[0]);
      43  
      44    return 0;
      45  }
      46  
      47  /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */
      48  /* { dg-final { scan-tree-dump-not "versioning for alias required" "vect" } } */
      49