Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/goacc/classify-kernels-unparallelized.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Check offloaded function's attributes and classification for unparallelized OpenACC kernels. */ /* { 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-oaccdevlow" } */ #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-message "optimized: assigned OpenACC seq loop parallelism" } */ 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\\)\\)" 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\\)\\)" 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 "oaccdevlow" } } { dg-final { scan-tree-dump-times "(?n)Compute dimensions \\\[1, 1, 1\\\]" 1 "oaccdevlow" } } { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc function \\(1, 1, 1\\), oacc kernels, omp target entrypoint\\)\\)" 1 "oaccdevlow" } } */