| /* Check offloaded function's attributes and classification for unparallelized |
| OpenACC kernels. */ |
| |
| /* { dg-additional-options "--param openacc-kernels=parloops" } */ |
| |
| /* { dg-additional-options "-O2" } |
| { dg-additional-options "-fopt-info-optimized-omp" } |
| { dg-additional-options "-fdump-tree-ompexp" } |
| { dg-additional-options "-fdump-tree-parloops1-all" } |
| { dg-additional-options "-fdump-tree-oaccloops" } */ |
| |
| /* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting |
| aspects of that functionality. */ |
| |
| #define N 1024 |
| |
| extern unsigned int *__restrict a; |
| extern unsigned int *__restrict b; |
| extern unsigned int *__restrict c; |
| |
| /* An "extern"al mapping of loop iterations/array indices makes the loop |
| unparallelizable. */ |
| extern unsigned int f (unsigned int); |
| |
| void KERNELS () |
| { |
| #pragma acc kernels copyin (a[0:N], b[0:N]) copyout (c[0:N]) /* { dg-line l_compute1 } */ |
| /* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute1 } */ |
| for (unsigned int i = 0; i < N; i++) |
| c[i] = a[f (i)] + b[f (i)]; |
| } |
| |
| /* Check the offloaded function's attributes. |
| { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels, omp target entrypoint, noclone\\)\\)" 1 "ompexp" } } */ |
| |
| /* Check that exactly one OpenACC kernels construct is analyzed, and that it |
| can't be parallelized. |
| { dg-final { scan-tree-dump-times "FAILED:" 1 "parloops1" } } |
| { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(, , \\), oacc kernels, omp target entrypoint, noclone\\)\\)" 1 "parloops1" } } |
| { dg-final { scan-tree-dump-not "SUCCESS: may be parallelized" "parloops1" } } */ |
| |
| /* Check the offloaded function's classification and compute dimensions (will |
| always be 1 x 1 x 1 for non-offloading compilation). |
| { dg-final { scan-tree-dump-times "(?n)Function is unparallelized OpenACC kernels offload" 1 "oaccloops" } } |
| { dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccloops" } } |
| { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint, noclone\\)\\)" 1 "oaccloops" } } */ |
