offload/test/mapping/declare_mapper_nested_mappers.cpp

   1 // RUN: %libomptarget-compilexx-run-and-check-generic
   2
   3 #include <cstdio>
   4 #include <cstdlib>
   5
   6 typedef struct {
   7   int a;
   8   double *b;
   9 } C;
  10 #pragma omp declare mapper(id1 : C s) map(to : s.a) map(from : s.b[0 : 2])
  11
  12 typedef struct {
  13   int e;
  14   C f;
  15   int h;
  16   short *g;
  17 } D;
  18 #pragma omp declare mapper(default : D r) map(from : r.e)                      \
  19     map(mapper(id1), tofrom : r.f) map(tofrom : r.g[0 : r.h])
  20
  21 int main() {
  22   constexpr int N = 10;
  23   D s;
  24   s.e = 111;
  25   s.f.a = 222;
  26   double x[2];
  27   x[1] = 20;
  28   short y[N];
  29   y[1] = 30;
  30   s.f.b = &x[0];
  31   s.g = &y[0];
  32   s.h = N;
  33
  34   D *sp = &s;
  35   D **spp = &sp;
  36
  37   printf("%d %d %4.5f %d %d %d\n", spp[0][0].e, spp[0][0].f.a, spp[0][0].f.b[1],
  38          spp[0][0].f.b == &x[0] ? 1 : 0, spp[0][0].g[1],
  39          spp[0][0].g == &y[0] ? 1 : 0);
  40   // CHECK: 111 222 20.00000 1 30 1
  41
  42   int spp00fa = -1, spp00fb_r = -1, spp00fg1 = -1, spp00fg_r = -1;
  43   __intptr_t p = reinterpret_cast<__intptr_t>(&x[0]),
  44              p1 = reinterpret_cast<__intptr_t>(&y[0]);
  45 #pragma omp target map(tofrom : spp[0][0]) firstprivate(p, p1)                  \
  46                    map(from: spp00fa, spp00fb_r, spp00fg1, spp00fg_r)
  47   {
  48     spp00fa = spp[0][0].f.a;
  49     spp00fb_r = spp[0][0].f.b == reinterpret_cast<void *>(p) ? 1 : 0;
  50     spp00fg1 = spp[0][0].g[1];
  51     spp00fg_r = spp[0][0].g == reinterpret_cast<void *>(p1) ? 1 : 0;
  52     printf("%d %d %d %d\n", spp00fa, spp00fb_r, spp00fg1, spp00fg_r);
  53     // XCHECK: 222 0 30 0
  54     spp[0][0].e = 333;
  55     spp[0][0].f.a = 444;
  56     spp[0][0].f.b[1] = 40;
  57     spp[0][0].g[1] = 50;
  58   }
  59     printf("%d %d %d %d\n", spp00fa, spp00fb_r, spp00fg1, spp00fg_r);
  60   // CHECK: 222 0 30 0
  61   printf("%d %d %4.5f %d %d %d\n", spp[0][0].e, spp[0][0].f.a, spp[0][0].f.b[1],
  62          spp[0][0].f.b == &x[0] ? 1 : 0, spp[0][0].g[1],
  63          spp[0][0].g == &y[0] ? 1 : 0);
  64   // CHECK: 333 222 40.00000 1 50 1
  65 }