offload/test/offloading/bug50022.cpp

   1 // RUN: %libomptarget-compilexx-and-run-generic
   2 // RUN: %libomptarget-compileoptxx-and-run-generic
   3
   4 #include <cassert>
   5 #include <iostream>
   6 #include <stdexcept>
   7
   8 int main(int argc, char *argv[]) {
   9   int a = 0;
  10   std::cout << "outside a = " << a << " addr " << &a << std::endl;
  11 #pragma omp target map(tofrom : a) depend(out : a) nowait
  12   {
  13     int sum = 0;
  14     for (int i = 0; i < 100000; i++)
  15       sum++;
  16     a = 1;
  17   }
  18
  19 #pragma omp task depend(inout : a) shared(a)
  20   {
  21     std::cout << "a = " << a << " addr " << &a << std::endl;
  22     if (a != 1)
  23       throw std::runtime_error("wrong result!");
  24     a = 2;
  25   }
  26
  27 #pragma omp task depend(inout : a) shared(a)
  28   {
  29     std::cout << "a = " << a << " addr " << &a << std::endl;
  30     if (a != 2)
  31       throw std::runtime_error("wrong result!");
  32     a = 3;
  33   }
  34
  35 #pragma omp taskwait
  36
  37   assert(a == 3 && "wrong result!");
  38
  39   return 0;
  40 }