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// We use 'auto' without a function return type, so specify dialect here
// { dg-additional-options "-std=c++14 -fdump-tree-gimple" }
// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
#include <cstdlib>
#include <cstring>
struct T
{
int *ptr;
int ptr_len;
int *&refptr;
int refptr_len;
auto set_ptr_func (int n)
{
auto fn = [=](void) -> bool
{
bool mapped;
#pragma omp target map(from:mapped)
{
if (ptr)
for (int i = 0; i < ptr_len; i++)
ptr[i] = n;
mapped = (ptr != NULL);
}
return mapped;
};
return fn;
}
auto set_refptr_func (int n)
{
auto fn = [=](void) -> bool
{
bool mapped;
#pragma omp target map(from:mapped)
{
if (refptr)
for (int i = 0; i < refptr_len; i++)
refptr[i] = n;
mapped = (refptr != NULL);
}
return mapped;
};
return fn;
}
};
int main (void)
{
#define N 10
int *ptr1 = new int[N];
int *ptr2 = new int[N];
memset (ptr1, 0, sizeof (int) * N);
memset (ptr2, 0, sizeof (int) * N);
T a = { ptr1, N, ptr2, N };
auto p1 = a.set_ptr_func (1);
auto r2 = a.set_refptr_func (2);
if (p1 ())
abort ();
if (r2 ())
abort ();
if (a.ptr != ptr1)
abort ();
if (a.refptr != ptr2)
abort ();
for (int i = 0; i < N; i++)
if (ptr1[i] != 0)
abort ();
for (int i = 0; i < N; i++)
if (ptr2[i] != 0)
abort ();
#pragma omp target data map(ptr1[:N], ptr2[:N])
{
if (!p1 ())
abort ();
if (!r2 ())
abort ();
}
if (a.ptr != ptr1)
abort ();
if (a.refptr != ptr2)
abort ();
for (int i = 0; i < N; i++)
if (ptr1[i] != 1)
abort ();
for (int i = 0; i < N; i++)
if (ptr2[i] != 2)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump {#pragma omp target num_teams.* firstprivate\(n\) map\(alloc:MEM.* \[len: 0\]\) map\(firstprivate:this \[pointer assign, bias: 0\]\) map\(to:\*__closure \[len: [0-9]+\]\) map\(firstprivate:__closure \[pointer assign, bias: 0\]\) map\(tofrom:\*_[0-9]+ \[len: [0-9]+\]\) map\(always_pointer:__closure->__this \[pointer assign, bias: 0\]\) map\(from:mapped \[len: 1\]\) map\(alloc:\*_[0-9]+ \[len: 0\]\) map\(attach_zero_length_array_section:_[0-9]+->ptr \[bias: 0\]\)} "gimple" } } */
/* { dg-final { scan-tree-dump {#pragma omp target num_teams.* firstprivate\(n\) map\(alloc:MEM.* \[len: 0\]\) map\(firstprivate:this \[pointer assign, bias: 0\]\) map\(to:\*__closure \[len: [0-9]+\]\) map\(firstprivate:__closure \[pointer assign, bias: 0\]\) map\(tofrom:\*_[0-9]+ \[len: [0-9]+\]\) map\(always_pointer:__closure->__this \[pointer assign, bias: 0\]\) map\(from:mapped \[len: [0-9]+\]\) map\(alloc:\*_[0-9]+ \[len: 0\]\) map\(alloc:\*_[0-9]+ \[pointer assign, zero-length array section, bias: 0\]\) map\(attach:_[0-9]+->refptr \[bias: 0\]\)} "gimple" } } */
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