gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/declare-vla.c
Thomas Schwinge 6f7c1f6502 [PR90861] Document status quo for OpenACC 'declare' not cleaning up for VLAs
gcc/testsuite/
	PR testsuite/90861
	* c-c++-common/goacc/declare-pr90861.c: New file.
	libgomp/
	PR testsuite/90861
	* testsuite/libgomp.oacc-c-c++-common/declare-vla.c: Update.

From-SVN: r272446
2019-06-19 00:14:14 +02:00

67 lines
940 B
C

/* Verify OpenACC 'declare' with VLAs. */
#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
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
{
int N = 1000;
int i, A[N];
# pragma acc declare copy(A)
for (i = 0; i < N; i++)
A[i] = -i;
# pragma acc kernels
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-xfail-run-if "TODO PR90861" { *-*-* } { "-DACC_MEM_SHARED=0" } }
This might XPASS if the compiler happens to put the two 'A' VLAs at the same
address. */