offload/test/offloading/parallel_target_teams_reduction.cpp

   1 // RUN: %libomptarget-compilexx-run-and-check-generic
   2 // RUN: %libomptarget-compileoptxx-run-and-check-generic
   3
   4 // FIXME: This is a bug in host offload, this should run fine.
   5 // REQUIRES: gpu
   6
   7 #include <iostream>
   8 #include <vector>
   9
  10 #define N 8
  11
  12 int main() {
  13   std::vector<int> avec(N);
  14   int *a = avec.data();
  15 #pragma omp parallel for
  16   for (int i = 0; i < N; i++) {
  17     a[i] = 0;
  18 #pragma omp target teams distribute parallel for reduction(+ : a[i])
  19     for (int j = 0; j < N; j++)
  20       a[i] += 1;
  21   }
  22
  23   // CHECK: 8
  24   // CHECK: 8
  25   // CHECK: 8
  26   // CHECK: 8
  27   // CHECK: 8
  28   // CHECK: 8
  29   // CHECK: 8
  30   // CHECK: 8
  31   for (int i = 0; i < N; i++)
  32     std::cout << a[i] << std::endl;
  33 }