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111
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1 /* { dg-do compile } */
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2 /* { dg-require-effective-target fopenmp } */
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3 /* { dg-require-effective-target vect_int } */
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4 /* { dg-additional-options "-fopenmp -fipa-pta" } */
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5
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6 extern void abort (void);
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7
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8 #define nEvents 1000
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9
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10 static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
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11 init (unsigned *results, unsigned *pData)
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12 {
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13 unsigned int i;
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14 for (i = 0; i < nEvents; ++i)
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15 pData[i] = i % 3;
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16 }
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17
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18 static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
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19 check (unsigned *results)
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20 {
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21 unsigned sum = 0;
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22 for (int idx = 0; idx < (int)nEvents; idx++)
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23 sum += results[idx];
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24
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25 if (sum != 1998)
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26 abort ();
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27 }
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28
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29 int
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30 main (void)
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31 {
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32 unsigned results[nEvents];
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33 unsigned pData[nEvents];
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34 unsigned coeff = 2;
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35
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36 init (&results[0], &pData[0]);
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37
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38 #pragma omp parallel for
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39 for (int idx = 0; idx < (int)nEvents; idx++)
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40 results[idx] = coeff * pData[idx];
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41
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42 check (&results[0]);
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43
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44 return 0;
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45 }
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46
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131
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47 /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */
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111
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48 /* { dg-final { scan-tree-dump-not "versioning for alias required" "vect" } } */
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49
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