c1a6fe196d
As described in 5.1 spec 2.21.7.2 Pointer Initialization for Device Data Environments Reviewed By: RaviNarayanaswamy Differential Revision: https://reviews.llvm.org/D123093
36 lines
810 B
C
36 lines
810 B
C
// RUN: %libomptarget-compile-generic -fopenmp-version=51
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// RUN: %libomptarget-run-generic 2>&1 \
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// RUN: | %fcheck-generic
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#include <stdio.h>
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#include <stdlib.h>
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#define N 1024
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#define FROM 64
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#define LENGTH 128
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int main() {
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float *A = (float *)malloc(N * sizeof(float));
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#pragma omp target enter data map(to : A [FROM:LENGTH])
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// A, has been mapped starting at index FROM, but inside the use_device_ptr
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// clause it is captured by base so the library must look it up using the
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// base address.
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float *A_dev = NULL;
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#pragma omp target data use_device_ptr(A)
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{ A_dev = A; }
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#pragma omp target exit data map(delete : A [FROM:LENGTH])
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// CHECK: Success
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if (A_dev == NULL || A_dev == A)
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fprintf(stderr, "Failure\n");
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else
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fprintf(stderr, "Success\n");
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free(A);
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return 0;
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}
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