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annotate gcc/testsuite/c-c++-common/goacc/kernels-loop-data-2.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 /* { dg-additional-options "-O2" } */
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2 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
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3 /* { dg-additional-options "-fdump-tree-optimized" } */
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4
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5 #include <stdlib.h>
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6
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7 #define N (1024 * 512)
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8 #define COUNTERTYPE unsigned int
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9
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10 int
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11 main (void)
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12 {
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13 unsigned int *__restrict a;
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14 unsigned int *__restrict b;
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15 unsigned int *__restrict c;
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16
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17 a = (unsigned int *)malloc (N * sizeof (unsigned int));
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18 b = (unsigned int *)malloc (N * sizeof (unsigned int));
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19 c = (unsigned int *)malloc (N * sizeof (unsigned int));
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20
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21 #pragma acc data copyout (a[0:N])
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22 {
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23 #pragma acc kernels present (a[0:N])
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24 {
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25 for (COUNTERTYPE i = 0; i < N; i++)
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26 a[i] = i * 2;
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27 }
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28 }
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29
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30 #pragma acc data copyout (b[0:N])
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31 {
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32 #pragma acc kernels present (b[0:N])
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33 {
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34 for (COUNTERTYPE i = 0; i < N; i++)
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35 b[i] = i * 4;
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36 }
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37 }
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38
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39 #pragma acc data copyin (a[0:N], b[0:N]) copyout (c[0:N])
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40 {
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41 #pragma acc kernels present (a[0:N], b[0:N], c[0:N])
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42 {
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43 for (COUNTERTYPE ii = 0; ii < N; ii++)
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44 c[ii] = a[ii] + b[ii];
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45 }
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46 }
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47
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48 for (COUNTERTYPE i = 0; i < N; i++)
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49 if (c[i] != a[i] + b[i])
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50 abort ();
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51
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52 free (a);
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53 free (b);
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54 free (c);
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55
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56 return 0;
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57 }
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58
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59 /* Check that only three loops are analyzed, and that all can be
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60 parallelized. */
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61 /* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } } */
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62 /* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } } */
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63 /* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
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64
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65 /* Check that the loop has been split off into a function. */
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66 /* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
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67 /* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.1" 1 "optimized" } } */
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68 /* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.2" 1 "optimized" } } */