35 lines · cpp
1// RUN: %libomptarget-compile-run-and-check-generic2 3#include <cstdio>4#include <cstdlib>5 6#define NUM 10247 8class C {9public:10 int *a;11};12 13#pragma omp declare mapper(id : C s) map(s.a[0 : NUM])14 15int main() {16 C c;17 c.a = (int *)malloc(sizeof(int) * NUM);18 for (int i = 0; i < NUM; i++) {19 c.a[i] = 1;20 }21#pragma omp target enter data map(mapper(id), to : c)22#pragma omp target teams distribute parallel for23 for (int i = 0; i < NUM; i++) {24 ++c.a[i];25 }26#pragma omp target exit data map(mapper(id), from : c)27 int sum = 0;28 for (int i = 0; i < NUM; i++) {29 sum += c.a[i];30 }31 // CHECK: Sum = 204832 printf("Sum = %d\n", sum);33 return 0;34}35