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/* Test of gang-private aggregate variable declared on loop directive, with
broadcasting to partitioned workers. */
/* { dg-additional-options "--param=openacc-kernels=decompose" } */
/* { dg-additional-options "-fopt-info-omp-all" }
{ dg-additional-options "-foffload=-fopt-info-omp-all" } */
/* { dg-additional-options "--param=openacc-privatization=noisy" }
{ dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
Prune a few: uninteresting:
{ 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_i 0 c_loop_j 0 c_loop_k 0] }
{ dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid
"WARNING: dg-line var l_dummy defined, but not used". */
#include <assert.h>
typedef struct {
int x, y, z;
int attr[13];
} vec3;
int
main (int argc, char* argv[])
{
int i, arr[32 * 32];
vec3 pt;
for (i = 0; i < 32 * 32; i++)
arr[i] = i;
#pragma acc kernels copy(arr)
{
/* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } .+1 } */
#pragma acc loop gang private(pt) /* { dg-line l_loop_i[incr c_loop_i] } */
/* { dg-note {variable 'pt' in 'private' clause 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-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_i$c_loop_i } */
for (i = 0; i < 32; i++)
{
pt.x = i;
pt.y = i * 2;
pt.z = i * 4;
pt.attr[5] = i * 6;
#pragma acc loop worker /* { dg-line l_loop_j[incr c_loop_j] } */
/* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_j$c_loop_j } */
for (int j = 0; j < 32; j++)
arr[i * 32 + j] += pt.x + pt.y + pt.z + pt.attr[5];
}
/* { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_i$c_loop_i } */
}
for (i = 0; i < 32 * 32; i++)
assert (arr[i] == i + (i / 32) * 13);
return 0;
}
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