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/* Exercise nested function decomposition, gcc/tree-nested.c. */
/* See gcc/testsuite/gfortran.dg/goacc/nested-function-1.f90 for the Fortran
version. */
/* { dg-additional-options "--param=openacc-kernels=decompose" } */
/* { dg-additional-options "-fopt-info-all-omp" } */
/* { dg-additional-options "--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_loop 0 c_loop 0] }
{ dg-message dummy {} { target iN-VAl-Id } l_dummy } to avoid
"WARNING: dg-line var l_dummy defined, but not used". */
int main ()
{
#define N 100
int nonlocal_arg;
int nonlocal_a[N];
int nonlocal_i;
int nonlocal_j;
for (int i = 0; i < N; ++i)
nonlocal_a[i] = 5;
nonlocal_arg = 5;
void local ()
{
int local_i;
int local_arg;
int local_a[N];
int local_j;
for (int i = 0; i < N; ++i)
local_a[i] = 5;
local_arg = 5;
#pragma acc kernels loop /* { dg-line l_compute_loop[incr c_compute_loop] } */ \
gang(num:local_arg) worker(local_arg) vector(local_arg) \
wait async(local_arg)
/* { dg-note {OpenACC 'kernels' decomposition: variable 'local_arg' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop }
{ dg-note {variable 'local_arg' made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_arg\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_i\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute_loop$c_compute_loop } */
for (local_i = 0; local_i < N; ++local_i)
{
#pragma acc cache (local_a[local_i:5])
local_a[local_i] = 100;
#pragma acc loop seq tile(*) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'local_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (local_j = 0; local_j < N; ++local_j)
;
#pragma acc loop auto independent tile(1) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'local_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (local_j = 0; local_j < N; ++local_j)
;
}
#pragma acc kernels loop /* { dg-line l_compute_loop[incr c_compute_loop] } */ \
gang(static:local_arg) worker(local_arg) vector(local_arg) \
wait(local_arg, local_arg + 1, local_arg + 2) async
/* { dg-note {OpenACC 'kernels' decomposition: variable 'local_arg' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop }
{ dg-note {variable 'local_arg' already made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_arg\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_i\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'local_i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute_loop$c_compute_loop } */
for (local_i = 0; local_i < N; ++local_i)
{
#pragma acc cache (local_a[local_i:4])
local_a[local_i] = 100;
#pragma acc loop seq tile(1) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'local_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (local_j = 0; local_j < N; ++local_j)
;
#pragma acc loop auto independent tile(*) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'local_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (local_j = 0; local_j < N; ++local_j)
;
}
}
void nonlocal ()
{
for (int i = 0; i < N; ++i)
nonlocal_a[i] = 5;
nonlocal_arg = 5;
#pragma acc kernels loop /* { dg-line l_compute_loop[incr c_compute_loop] } */ \
gang(num:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
wait async(nonlocal_arg)
/* { dg-note {OpenACC 'kernels' decomposition: variable 'nonlocal_arg' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop }
{ dg-note {variable 'nonlocal_arg' made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_arg\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_i\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute_loop$c_compute_loop } */
for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
{
#pragma acc cache (nonlocal_a[nonlocal_i:3])
nonlocal_a[nonlocal_i] = 100;
#pragma acc loop seq tile(2) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'nonlocal_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
;
#pragma acc loop auto independent tile(3) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'nonlocal_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
;
}
#pragma acc kernels loop /* { dg-line l_compute_loop[incr c_compute_loop] } */ \
gang(static:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
wait(nonlocal_arg, nonlocal_arg + 1, nonlocal_arg + 2) async
/* { dg-note {OpenACC 'kernels' decomposition: variable 'nonlocal_arg' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop }
{ dg-note {variable 'nonlocal_arg' already made addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_arg\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_i\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-note {variable 'nonlocal_i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute_loop$c_compute_loop } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute_loop$c_compute_loop } */
for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
{
#pragma acc cache (nonlocal_a[nonlocal_i:2])
nonlocal_a[nonlocal_i] = 100;
#pragma acc loop seq tile(*) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'nonlocal_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
;
#pragma acc loop auto independent tile(*) /* { dg-line l_loop[incr c_loop] } */
/* { dg-note {variable 'nonlocal_j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop$c_loop } */
for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
;
}
}
local ();
nonlocal ();
return 0;
}
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