45 lines · c
1// RUN: %libomptarget-compile-run-and-check-generic2 3// Clang 6.0 doesn't use the new map interface, undefined behavior when4// the compiler emits "old" interface code for structures.5// UNSUPPORTED: clang-66 7#include <stdio.h>8#include <stdlib.h>9 10typedef struct {11 int *ptr1;12 int *ptr2;13} StructWithPtrs;14 15int main(int argc, char *argv[]) {16 StructWithPtrs s, s2;17 s.ptr1 = malloc(sizeof(int));18 s.ptr2 = malloc(2 * sizeof(int));19 s2.ptr1 = malloc(sizeof(int));20 s2.ptr2 = malloc(2 * sizeof(int));21 22#pragma omp target enter data map(to : s2.ptr2[0 : 1])23#pragma omp target map(s.ptr1[0 : 1], s.ptr2[0 : 2])24 {25 s.ptr1[0] = 1;26 s.ptr2[0] = 2;27 s.ptr2[1] = 3;28 }29#pragma omp target exit data map(from : s2.ptr1[0 : 1], s2.ptr2[0 : 1])30 31 // CHECK: s.ptr1[0] = 132 // CHECK: s.ptr2[0] = 233 // CHECK: s.ptr2[1] = 334 printf("s.ptr1[0] = %d\n", s.ptr1[0]);35 printf("s.ptr2[0] = %d\n", s.ptr2[0]);36 printf("s.ptr2[1] = %d\n", s.ptr2[1]);37 38 free(s.ptr1);39 free(s.ptr2);40 free(s2.ptr1);41 free(s2.ptr2);42 43 return 0;44}45