1// RUN: %libomptarget-compile-run-and-check-generic
2
3#include <omp.h>
4#include <stdio.h>
5
6// OpenMP 5.1. sec 5.8.6 "Pointer Initialization for Device Data Environments"
7// p. 160 L32-33: "If a matching mapped list item is not found, the pointer
8// retains its original value as per the32 firstprivate semantics described in
9// Section 5.4.4."
10
11int main(void) {
12 int *A = (int *)omp_target_alloc(sizeof(int), omp_get_default_device());
13
14#pragma omp target
15 { *A = 1; }
16
17 int Result = 0;
18#pragma omp target map(from : Result)
19 { Result = *A; }
20
21 // CHECK: PASS
22 if (Result == 1)
23 printf(format: "PASS\n");
24
25 omp_target_free(A, omp_get_default_device());
26}
27

source code of offload/test/mapping/implicit_device_ptr.c