offload/test/mapping/device_ptr_update.c

   1 // RUN: %libomptarget-compile-generic
   2 // RUN: env LIBOMPTARGET_DEBUG=1 %libomptarget-run-generic 2>&1 \
   3 // RUN: | %fcheck-generic -check-prefix=DEBUG -check-prefix=CHECK
   4 // REQUIRES: libomptarget-debug
   5
   6 #include <stdio.h>
   7
   8 struct S {
   9   int *p;
  10 };
  11
  12 int main(void) {
  13   int A[10];
  14   struct S s1;
  15
  16   s1.p = A;
  17
  18 // DEBUG: Update pointer ([[DEV_PTR:0x[^ ]+]]) -> {{\[}}[[DEV_OBJ_A:0x[^ ]+]]{{\]}}
  19 #pragma omp target enter data map(alloc : s1.p[0 : 10])
  20
  21 // DEBUG-NOT: Update pointer ([[DEV_PTR]]) -> {{\[}}[[DEV_OBJ_A]]{{\]}}
  22 #pragma omp target map(alloc : s1.p[0 : 10])
  23   {
  24     for (int i = 0; i < 10; ++i)
  25       s1.p[i] = i;
  26   }
  27
  28 #pragma omp target exit data map(from : s1.p[0 : 10])
  29
  30   int fail_A = 0;
  31   for (int i = 0; i < 10; ++i) {
  32     if (A[i] != i) {
  33       fail_A = 1;
  34       break;
  35     }
  36   }
  37
  38   // CHECK-NOT: Test A failed
  39   if (fail_A) {
  40     printf("Test A failed\n");
  41   }
  42
  43   return fail_A;
  44 }