45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
// RUN: %libomptarget-compile-run-and-check-generic
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// Clang 6.0 doesn't use the new map interface, undefined behavior when
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// the compiler emits "old" interface code for structures.
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// UNSUPPORTED: clang-6
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#include <stdio.h>
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#include <stdlib.h>
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typedef struct {
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int *ptr1;
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int *ptr2;
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} StructWithPtrs;
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int main(int argc, char *argv[]) {
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StructWithPtrs s, s2;
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s.ptr1 = malloc(sizeof(int));
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s.ptr2 = malloc(2 * sizeof(int));
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s2.ptr1 = malloc(sizeof(int));
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s2.ptr2 = malloc(2 * sizeof(int));
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#pragma omp target enter data map(to : s2.ptr2[0 : 1])
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#pragma omp target map(s.ptr1[0 : 1], s.ptr2[0 : 2])
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{
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s.ptr1[0] = 1;
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s.ptr2[0] = 2;
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s.ptr2[1] = 3;
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}
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#pragma omp target exit data map(from : s2.ptr1[0 : 1], s2.ptr2[0 : 1])
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// CHECK: s.ptr1[0] = 1
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// CHECK: s.ptr2[0] = 2
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// CHECK: s.ptr2[1] = 3
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printf("s.ptr1[0] = %d\n", s.ptr1[0]);
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printf("s.ptr2[0] = %d\n", s.ptr2[0]);
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printf("s.ptr2[1] = %d\n", s.ptr2[1]);
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free(s.ptr1);
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free(s.ptr2);
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free(s2.ptr1);
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free(s2.ptr2);
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return 0;
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}
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