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// 'atomic' access of thread-private variable
/* { dg-additional-options "-fopt-info-note-omp" }
{ dg-additional-options "--param=openacc-privatization=noisy" }
{ dg-additional-options "-foffload=-fopt-info-note-omp" }
{ dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
for testing/documenting aspects of that functionality. */
#include <assert.h>
int main (void)
{
int res;
res = 0;
#pragma acc parallel reduction(+: res)
/* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
{
#pragma acc loop vector reduction(+: res)
/* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
/* { dg-note {variable 'v' declared in block is candidate for adjusting OpenACC privatization level} "" { target *-*-* } .-2 }
{ dg-note {variable 'v' ought to be adjusted for OpenACC privatization level: 'vector'} "" { target *-*-* } .-3 }
{ dg-note {variable 'v' adjusted for OpenACC privatization level: 'vector'} "" { target { ! openacc_host_selected } } .-4 } */
/* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-5 } */
for (int i = 0; i < 2322; i++)
{
int v = -222;
#pragma acc loop seq
/* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
for (int j = 0; j < 121; ++j)
{
#pragma acc atomic update
++v;
}
res += (v == -222 + 121);
}
}
assert (res == 2322);
return 0;
}
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