declare_mapper_target_data.cpp
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// RUN: %libomptarget-compile-run-and-check-aarch64-unknown-linux-gnu
// RUN: %libomptarget-compile-run-and-check-powerpc64-ibm-linux-gnu
// RUN: %libomptarget-compile-run-and-check-powerpc64le-ibm-linux-gnu
// RUN: %libomptarget-compile-run-and-check-x86_64-pc-linux-gnu
// RUN: %libomptarget-compile-run-and-check-nvptx64-nvidia-cuda
#include <cstdio>
#include <cstdlib>
#define NUM 1024
class C {
public:
int *a;
};
#pragma omp declare mapper(id: C s) map(s.a[0:NUM])
int main() {
C c;
c.a = (int*) malloc(sizeof(int)*NUM);
for (int i = 0; i < NUM; i++) {
c.a[i] = 1;
}
#pragma omp target data map(mapper(id),tofrom: c)
{
#pragma omp target teams distribute parallel for
for (int i = 0; i < NUM; i++) {
++c.a[i];
}
}
int sum = 0;
for (int i = 0; i < NUM; i++) {
sum += c.a[i];
}
// CHECK: Sum = 2048
printf("Sum = %d\n", sum);
return 0;
}