offload/test/mapping/declare_mapper_nested_default_mappers_var.cpp

   1 // RUN: %libomptarget-compilexx-run-and-check-aarch64-unknown-linux-gnu
   2 // RUN: %libomptarget-compilexx-run-and-check-powerpc64-ibm-linux-gnu
   3 // RUN: %libomptarget-compilexx-run-and-check-powerpc64le-ibm-linux-gnu
   4 // RUN: %libomptarget-compilexx-run-and-check-x86_64-unknown-linux-gnu
   5 // RUN: %libomptarget-compilexx-run-and-check-nvptx64-nvidia-cuda
   6
   7 #include <cstdio>
   8 #include <cstdlib>
   9
  10 typedef struct {
  11   int a;
  12   double *b;
  13 } C1;
  14 #pragma omp declare mapper(C1 s) map(to : s.a) map(from : s.b[0 : 2])
  15
  16 typedef struct {
  17   int a;
  18   double *b;
  19   C1 c;
  20 } C;
  21 #pragma omp declare mapper(C s) map(to : s.a, s.c) map(from : s.b[0 : 2])
  22
  23 typedef struct {
  24   int e;
  25   C f;
  26   int h;
  27 } D;
  28
  29 int main() {
  30   constexpr int N = 10;
  31   D s;
  32   s.e = 111;
  33   s.f.a = 222;
  34   s.f.c.a = 777;
  35   double x[2];
  36   double x1[2];
  37   x[1] = 20;
  38   s.f.b = &x[0];
  39   s.f.c.b = &x1[0];
  40   s.h = N;
  41
  42   printf("%d %d %d %4.5f %d\n", s.e, s.f.a, s.f.c.a, s.f.b[1],
  43          s.f.b == &x[0] ? 1 : 0);
  44   // CHECK: 111 222 777 20.00000 1
  45
  46   __intptr_t p = reinterpret_cast<__intptr_t>(&x[0]);
  47
  48 #pragma omp target map(tofrom : s) firstprivate(p)
  49   {
  50     printf("%d %d %d\n", s.f.a, s.f.c.a,
  51            s.f.b == reinterpret_cast<void *>(p) ? 1 : 0);
  52     // CHECK: 222 777 0
  53     s.e = 333;
  54     s.f.a = 444;
  55     s.f.c.a = 555;
  56     s.f.b[1] = 40;
  57   }
  58
  59   printf("%d %d %d %4.5f %d\n", s.e, s.f.a, s.f.c.a, s.f.b[1],
  60          s.f.b == &x[0] ? 1 : 0);
  61   // CHECK: 333 222 777 40.00000 1
  62 }