34 lines
788 B
C
34 lines
788 B
C
// RUN: %libomptarget-compile-run-and-check-nvptx64-nvidia-cuda
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// REQUIRES: nvptx64-nvidia-cuda
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#include <omp.h>
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#include <stdio.h>
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// Allocate pinned memory on the host
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void *llvm_omp_target_alloc_host(size_t, int);
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int main() {
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const int N = 64;
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const int device = omp_get_default_device();
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const int host = omp_get_initial_device();
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int *hst_ptr = llvm_omp_target_alloc_host(N * sizeof(int), device);
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for (int i = 0; i < N; ++i)
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hst_ptr[i] = 2;
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#pragma omp target teams distribute parallel for device(device) \
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map(tofrom:hst_ptr[0 : N])
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for (int i = 0; i < N; ++i)
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hst_ptr[i] -= 1;
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int sum = 0;
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for (int i = 0; i < N; ++i)
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sum += hst_ptr[i];
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omp_target_free(hst_ptr, device);
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// CHECK: PASS
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if (sum == N)
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printf ("PASS\n");
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}
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