gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/declare-vla.c

84 lines
2.0 KiB
C

/* Verify OpenACC 'declare' with VLAs. */
/* { 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} } */
#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-optimized {assigned OpenACC seq loop parallelism} {} { target { ! __OPTIMIZE__ } } .-1 }
{ dg-optimized {assigned OpenACC gang loop parallelism} {} { target { __OPTIMIZE__ } } .-2 } */
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;
/* See 'declare-vla-kernels-decompose.c'. */
#ifdef KERNELS_DECOMPOSE_ICE_HACK
(volatile int *) &i;
(volatile int *) &N;
#endif
# pragma acc kernels
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target { ! __OPTIMIZE__ } } .-1 }
{ dg-optimized {assigned OpenACC gang loop parallelism} {} { target { __OPTIMIZE__ } } .-2 } */
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;
}
/* { dg-note dummy "" { target n-on-e } } to disable 'prune_notes'. */