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/* PR middle-end/110270 */
/* Same as target-implicit-map-3.c but uses the following requiement
and for not mapping the stack variables 'A' and 'B' (not mapped
but accessible -> USM makes this tested feature even more important.) */
#pragma omp requires unified_shared_memory
/* Ensure that defaultmap(default : pointer) uses correct OpenMP 5.2
semantic, i.e. keeping the pointer value even if not mapped;
before OpenMP 5.0/5.1 required that it is NULL. */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <omp.h>
void
test_device (int dev)
{
int *p1 = (int*) 0x12345;
int *p1a = (int*) 0x67890;
int *p2 = (int*) omp_target_alloc (sizeof (int) * 5, dev);
int *p2a = (int*) omp_target_alloc (sizeof (int) * 10, dev);
intptr_t ip = (intptr_t) p2;
intptr_t ipa = (intptr_t) p2a;
int A[3] = {1,2,3};
int B[5] = {4,5,6,7,8};
int *p3 = &A[0];
int *p3a = &B[0];
const omp_alloctrait_t traits[]
= { { omp_atk_alignment, 128 },
{ omp_atk_pool_size, 1024 }};
omp_allocator_handle_t a = omp_init_allocator (omp_default_mem_space, 2, traits);
int *p4 = (int*) malloc (sizeof (int) * 5);
int *p4a = (int*) omp_alloc (sizeof (int) * 10, a);
intptr_t ip4 = (intptr_t) p4;
intptr_t ip4a = (intptr_t) p4a;
for (int i = 0; i < 5; i++)
p4[i] = -31*i;
for (int i = 0; i < 10; i++)
p4a[i] = -43*i;
/* Note: 'A' is not mapped but USM accessible. */
#pragma omp target device(dev) /* defaultmap(default:pointer) */
{
/* The pointees aren't mapped. */
/* OpenMP 5.2 -> same value as before the target region. */
if ((intptr_t) p1 != 0x12345) abort ();
if ((intptr_t) p2 != ip) abort ();
for (int i = 0; i < 5; i++)
p2[i] = 13*i;
for (int i = 0; i < 10; i++)
((int *)ipa)[i] = 7*i;
/* OpenMP: Points to 'A'. */
if (p3[0] != 1 || p3[1] != 2 || p3[2] != 3)
abort ();
p3[0] = -11; p3[1] = -22; p3[2] = -33;
/* USM accesible allocated host memory. */
if ((intptr_t) p4 != ip4)
abort ();
for (int i = 0; i < 5; i++)
if (p4[i] != -31*i)
abort ();
for (int i = 0; i < 10; i++)
if (((int *)ip4a)[i] != -43*i)
abort ();
for (int i = 0; i < 5; i++)
p4[i] = 9*i;
for (int i = 0; i < 10; i++)
((int *)ip4a)[i] = 18*i;
}
if (p3[0] != -11 || p3[1] != -22 || p3[2] != -33)
abort ();
for (int i = 0; i < 5; i++)
if (p4[i] != 9*i)
abort ();
for (int i = 0; i < 10; i++)
if (p4a[i] != 18*i)
abort ();
for (int i = 0; i < 5; i++)
p4[i] = -77*i;
for (int i = 0; i < 10; i++)
p4a[i] = -65*i;
// With defaultmap:
/* Note: 'B' is not mapped but USM accessible. */
#pragma omp target device(dev) defaultmap(default:pointer)
{
/* The pointees aren't mapped. */
/* OpenMP 5.2 -> same value as before the target region. */
if ((intptr_t) p1a != 0x67890) abort ();
if ((intptr_t) p2a != ipa) abort ();
for (int i = 0; i < 5; i++)
((int *)ip)[i] = 13*i;
for (int i = 0; i < 10; i++)
p2a[i] = 7*i;
/* USM accesible allocated host memory. */
if ((intptr_t) p4a != ip4a) abort ();
/* OpenMP: Points to 'B'. */
if (p3a[0] != 4 || p3a[1] != 5 || p3a[2] != 6 || p3a[3] != 7 || p3a[4] != 8)
abort ();
p3a[0] = -44; p3a[1] = -55; p3a[2] = -66; p3a[3] = -77; p3a[4] = -88;
/* USM accesible allocated host memory. */
if ((intptr_t) p4a != ip4a)
abort ();
for (int i = 0; i < 5; i++)
if (((int *)ip4)[i] != -77*i)
abort ();
for (int i = 0; i < 10; i++)
if (p4a[i] != -65*i)
abort ();
for (int i = 0; i < 5; i++)
p4[i] = 36*i;
for (int i = 0; i < 10; i++)
((int *)ip4a)[i] = 4*i;
}
if (p3a[0] != -44 || p3a[1] != -55 || p3a[2] != -66 || p3a[3] != -77 || p3a[4] != -88)
abort ();
for (int i = 0; i < 5; i++)
if (p4[i] != 36*i)
abort ();
for (int i = 0; i < 10; i++)
if (p4a[i] != 4*i)
abort ();
omp_target_free (p2, dev);
omp_target_free (p2a, dev);
free (p4);
omp_free (p4a, a);
omp_destroy_allocator (a);
}
int
main()
{
int ntgts = omp_get_num_devices();
for (int i = 0; i <= ntgts; i++)
test_device (i);
return 0;
}
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