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