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/* Verify OpenACC 'declare' with VLAs. */
/* { dg-additional-options "--param=openacc-kernels=decompose" } */
/* { dg-additional-options "-fopt-info-omp-all" }
{ 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} } */
/* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
passed to 'incr' may be unset, and in that case, it will be set to [...]",
so to maintain compatibility with earlier Tcl releases, we manually
initialize counter variables:
{ dg-line l_dummy[variable c_compute 0] }
{ dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid
"WARNING: dg-line var l_dummy defined, but not used". */
#include <assert.h>
void
f (void)
{
int N = 1000;
int i, A[N];
#pragma acc declare copy(A)
for (i = 0; i < N; i++)
A[i] = -i;
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target { ! __OPTIMIZE__ } } l_compute$c_compute }
{ dg-optimized {assigned OpenACC gang loop parallelism} {} { target __OPTIMIZE__ } l_compute$c_compute } */
/* { dg-note {beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
for (i = 0; i < N; i++)
A[i] = i;
#pragma acc update host(A)
for (i = 0; i < N; i++)
assert (A[i] == i);
}
/* The same as 'f' but everything contained in an OpenACC 'data' construct. */
void
f_data (void)
{
#pragma acc data
/* { dg-bogus {note: variable [^\n\r]+ candidate for adjusting OpenACC privatization level} {TODO 'data'} { xfail *-*-* } .-1 } */
{
int N = 1000;
int i, A[N];
# pragma acc declare copy(A)
for (i = 0; i < N; i++)
A[i] = -i;
# pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'i' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'i' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'N' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'N' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target { ! __OPTIMIZE__ } } l_compute$c_compute }
{ dg-optimized {assigned OpenACC gang loop parallelism} {} { target __OPTIMIZE__ } l_compute$c_compute } */
/* { dg-note {beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
for (i = 0; i < N; i++)
A[i] = i;
# pragma acc update host(A)
for (i = 0; i < N; i++)
assert (A[i] == i);
}
}
int
main ()
{
f ();
f_data ();
return 0;
}
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