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111
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1 /* Check if different occurences of the reduction clause on
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2 OpenACC loop nests will compile. */
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3
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4 int foo (int N)
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5 {
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6 int a = 0, b = 0, c = 0, d = 0, e = 0;
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7
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8 #pragma acc parallel
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9 {
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10 #pragma acc loop
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11 for (int i = 0; i < N; i++)
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12 {
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13 #pragma acc loop reduction(+:a)
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14 for (int j = 0; j < N; j++)
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15 a += 1;
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16 }
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17 }
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18
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19 #pragma acc parallel
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20 {
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21 #pragma acc loop reduction(+:b)
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22 for (int i = 0; i < N; i++)
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23 {
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24 #pragma acc loop
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25 for (int j = 0; j < N; j++)
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26 b += 1;
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27 }
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28 }
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29
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30 #pragma acc parallel
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31 {
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32 #pragma acc loop reduction(+:c)
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33 for (int i = 0; i < N; i++)
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34 {
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35 #pragma acc loop reduction(+:c)
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36 for (int j = 0; j < N; j++)
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37 c += 1;
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38 }
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39 }
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40
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41 #pragma acc parallel loop
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42 for (int i = 0; i < N; i++)
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43 {
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44 #pragma acc loop reduction(+:d)
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45 for (int j = 0; j < N; j++)
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46 d += 1;
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47 }
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48
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49 #pragma acc parallel loop reduction(+:e)
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50 for (int i = 0; i < N; i++)
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51 {
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52 #pragma acc loop reduction(+:e)
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53 for (int j = 0; j < N; j++)
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54 e += 1;
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55 }
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56
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57 return a + b + c + d + e;
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58 }
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