44 lines · c
1// RUN: %libomptarget-compile-run-and-check-generic2 3#include <stdio.h>4 5typedef struct {6 double *dataptr;7 int dummy1;8 int dummy2;9} DV;10 11void init(double vertexx[]) {12#pragma omp target map(vertexx[0 : 100])13 {14 printf("In init: %lf, expected 100.0\n", vertexx[77]);15 vertexx[77] = 77.0;16 }17}18 19void change(DV *dvptr) {20#pragma omp target map(dvptr->dataptr[0 : 100]) map(alloc : dvptr -> dataptr)21 {22 printf("In change: %lf, expected 77.0\n", dvptr->dataptr[77]);23 dvptr->dataptr[77] += 1.0;24 }25}26 27int main() {28 double vertexx[100];29 vertexx[77] = 100.0;30 31 DV dv;32 dv.dataptr = &vertexx[0];33 34#pragma omp target enter data map(to : vertexx[0 : 100])35 36 init(vertexx);37 change(&dv);38 39#pragma omp target exit data map(from : vertexx[0 : 100])40 41 // CHECK: Final: 78.042 printf("Final: %lf\n", vertexx[77]);43}44