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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-fopenmp-simd -fdump-tree-original" } */
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3
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4 extern void abort ();
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5 int a[1024] __attribute__((aligned (32))) = { 1 };
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6 struct S { int s; };
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7 #pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s)
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8 #pragma omp declare reduction (foo:struct S:omp_out.s += omp_in.s)
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9 #pragma omp declare reduction (foo:int:omp_out += omp_in)
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10
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11 __attribute__((noinline, noclone)) int
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12 foo (void)
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13 {
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14 int i, u = 0;
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15 struct S s, t;
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16 s.s = 0; t.s = 0;
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17 #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u)
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18 for (i = 0; i < 1024; i++)
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19 {
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20 int x = a[i];
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21 s.s += x;
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22 t.s += x;
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23 u += x;
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24 }
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25 if (t.s != s.s || u != s.s)
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26 abort ();
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27 return s.s;
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28 }
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29
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30
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31 void bar(int n, float *a, float *b)
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32 {
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33 int i;
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34 #pragma omp parallel for simd num_threads(4) safelen(64)
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35 for (i = 0; i < n ; i++)
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36 a[i] = b[i];
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37 }
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38
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39 /* { dg-final { scan-tree-dump-times "pragma omp simd reduction\\(u\\) reduction\\(t\\) reduction\\(\\+:s\\) aligned\\(a:32\\)" 1 "original" } } */
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40 /* { dg-final { scan-tree-dump-times "pragma omp simd safelen\\(64\\)" 1 "original" } } */
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41 /* { dg-final { scan-tree-dump-not "omp parallel" "original" } } */
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42 /* { dg-final { scan-tree-dump-not "omp for" "original" } } */
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