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/* Verify that a simple, explicit acc loop reduction works inside
a kernels region. */
/* { dg-additional-options "--param=openacc-kernels=decompose" } */
/* { dg-additional-options "-fopt-info-all-omp" }
{ dg-additional-options "-foffload=-fopt-info-all-omp" } */
/* { dg-additional-options "--param=openacc-privatization=noisy" }
{ dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
Prune a few: uninteresting, and potentially varying depending on GCC configuration (data types):
{ dg-prune-output {note: variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} } */
#include <stdlib.h>
#define N 100
int
main ()
{
int i, red = 0;
#pragma acc kernels /* { dg-line l_compute1 } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'red' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute1 }
{ dg-note {variable 'red' made addressable} {} { target *-*-* } l_compute1 } */
{
#pragma acc loop reduction (+:red) /* { dg-line l_loop_i1 } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i1 } */
/* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_i1 } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_i1 } */
for (i = 0; i < N; i++)
red++;
}
if (red != N)
abort ();
return 0;
}
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