87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
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/* { dg-require-effective-target offload_device_nonshared_as } */
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#include <stdlib.h>
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#include <assert.h>
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#define N 32
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void test_array_section (int *p)
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{
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#pragma omp target data map(alloc: p[0:N])
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{
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int ok = 1;
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for (int i = 10; i < 10 + 4; i++)
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p[i] = 997 * i;
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#pragma omp target map(always to:p[10:4]) map(tofrom: ok)
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for (int i = 10; i < 10 + 4; i++)
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if (p[i] != 997 * i)
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ok = 0;
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assert (ok);
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#pragma omp target map(always from:p[7:9])
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for (int i = 0; i < N; i++)
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p[i] = i;
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}
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}
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int main ()
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{
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int aa = 0, bb = 0, cc = 0, dd = 0;
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#pragma omp target data map(tofrom: aa) map(to: bb) map(from: cc, dd)
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{
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int ok;
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aa = bb = cc = 1;
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/* Set dd on target to 0 for the further check. */
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#pragma omp target map(always to: dd)
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;
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dd = 1;
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#pragma omp target map(tofrom: aa) map(always to: bb) \
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map(always from: cc) map(to: dd) map(from: ok)
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{
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/* bb is always to, aa and dd are not. */
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ok = (aa == 0) && (bb == 1) && (dd == 0);
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aa = bb = cc = dd = 2;
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}
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assert (ok);
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assert (aa == 1);
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assert (bb == 1);
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assert (cc == 2); /* cc is always from. */
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assert (dd == 1);
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dd = 3;
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#pragma omp target map(from: cc) map(always to: dd) map(from: ok)
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{
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ok = (dd == 3); /* dd is always to. */
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cc = dd = 4;
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}
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assert (ok);
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assert (cc == 2);
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assert (dd == 3);
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}
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assert (aa == 2);
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assert (bb == 1);
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assert (cc == 4);
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assert (dd == 4);
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int *array = calloc (N, sizeof (int));
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test_array_section (array);
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for (int i = 0; i < 7; i++)
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assert (array[i] == 0);
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for (int i = 7; i < 7 + 9; i++)
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assert (array[i] == i);
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for (int i = 7 + 9; i < N; i++)
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assert (array[i] == 0);
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free (array);
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return 0;
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}
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