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/* Test OpenACC 'kernels' construct decomposition. */
/* { dg-additional-options "--param=openacc-kernels=decompose" } */
/* { dg-additional-options "-fopt-info-all-omp" }
{ 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 c_loop_c 0 c_loop_i 0] }
{ dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid
"WARNING: dg-line var l_dummy defined, but not used". */
#undef NDEBUG
#include <assert.h>
static int g1;
static int g2;
/* PR100280, etc. */
static void f1 ()
{
int a = 0;
#define N 123
int b[N] = { 0 };
unsigned long long f1;
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'f1' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'f1' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'a' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'a' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'g2' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'g2' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'g1' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'g1' made addressable} {} { target *-*-* } l_compute$c_compute } */
{
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
int c = 234;
/* { dg-note {OpenACC 'kernels' decomposition: variable 'c' declared in block requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'c' made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'c' declared in block is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_compute$c_compute } */
#pragma acc loop independent gang /* { dg-line l_loop_i[incr c_loop_i] } */
/* { dg-note {parallelized loop nest in OpenACC 'kernels' region} {} { target *-*-* } l_loop_i$c_loop_i } */
/* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
/* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
/* { dg-optimized "assigned OpenACC gang loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
for (int i = 0; i < N; ++i)
b[i] = c;
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
a = c;
/* PR104132, PR104133, PR104774 */
{
/* Use the 'kernels'-top-level 'int c' as loop variable. */
#pragma acc loop /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 0; c < N / 2; c++)
b[c] -= 10;
#pragma acc loop /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 0; c < N / 2; c++)
g1 = c;
#pragma acc loop /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 0; c <= N; c++)
g2 += c;
/* { dg-note {variable 'g2\.0' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
f1 = 1;
#pragma acc loop /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 20; c > 0; --c)
f1 *= c;
{
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
unsigned long long f2 = 1;
/* { dg-note {OpenACC 'kernels' decomposition: variable 'f2' declared in block requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'f2' made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'f2' declared in block is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_compute$c_compute } */
#pragma acc loop independent reduction(*: f2) /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {parallelized loop nest in OpenACC 'kernels' region} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC gang vector loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 20; c > 0; --c)
f2 *= c;
{
/* { dg-note {beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
if (f2 != f1)
__builtin_abort ();
/* As this is still in the preceding 'parloops' part:
{ dg-bogus {note: beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
unsigned long long f3 = f2;
/* { dg-note {OpenACC 'kernels' decomposition: variable 'f3' declared in block requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'f3' made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'f3' declared in block is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_compute$c_compute } */
#pragma acc loop seq /* { dg-line l_loop_c[incr c_loop_c] } */
/* { dg-note {parallelized loop nest in OpenACC 'kernels' region} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-note {variable 'c' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_c$c_loop_c } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_c$c_loop_c } */
for (c = 20; c > 0; --c)
f3 /= c;
/* { dg-note {beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
if (f3 != 1)
__builtin_abort ();
}
/* As this is still in the preceding 'parloops' part:
{ dg-bogus {note: beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
if (f2 != f1)
__builtin_abort ();
}
/* As this is still in the preceding 'parloops' part:
{ dg-bogus {note: beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
if (c != 234)
__builtin_abort ();
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute$c_compute } */
}
}
assert (a == 234);
for (int i = 0; i < N; ++i)
if (i < N / 2)
assert (b[i] == 234 - 10);
else
assert (b[i] == 234);
assert (g1 == N / 2 - 1);
assert (g2 == N * (N + 1) / 2);
assert (f1 == 2432902008176640000ULL);
#undef N
}
/* PR104086 */
static void f2 ()
{
#pragma acc data
/* { dg-bogus {note: variable [^\n\r]+ candidate for adjusting OpenACC privatization level} {TODO 'data'} { xfail *-*-* } .-1 } */
{
int i;
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'i' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'i' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
i = 1;
assert (i == 1);
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'i' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'i' already made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
i = -1;
assert (i == -1);
}
int ia[1];
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'ia' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'ia' made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {beginning 'gang-single' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
ia[0] = -2;
assert (ia[0] == -2);
#pragma acc kernels /* { dg-line l_compute[incr c_compute] } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'ia' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'ia' already made addressable} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {OpenACC 'kernels' decomposition: variable 'i' declared in block requested to be made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'i' made addressable} {} { target *-*-* } l_compute$c_compute }
{ dg-note {variable 'i' declared in block is candidate for adjusting OpenACC privatization level} {} { target *-*-* } l_compute$c_compute } */
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_compute$c_compute } */
/* { dg-note {beginning 'parloops' part in OpenACC 'kernels' region} {} { target *-*-* } .+1 } */
for (int i = 0; i < 100; ++i)
++ia[0];
assert (ia[0] == -2 + 100);
}
int main()
{
f1 ();
f2 ();
return 0;
}
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