extern "C" void abort (); int a, b, c, d, e; void foo (int &x, bool y) { #pragma omp task depend (out: x) a = 1; #pragma omp task depend (out: y ? b : c) (y ? b : c) = 2; #pragma omp task depend (inout: --d) d += 4; #pragma omp task depend (in : a, (y ? b : c), d) e = a + b * 10 + c * 100 + d * 1000; } int main () { #pragma omp parallel #pragma omp single foo (a, true); if (e != 1 + 20 + 0 + 3000) abort (); a = b = c = d = e = 0; #pragma omp parallel #pragma omp single foo (a, false); if (e != 1 + 0 + 200 + 3000) abort (); }