offload/test/offloading/weak.c

   1 // RUN: %libomptarget-compile-generic -DA -c -o %t-a.o
   2 // RUN: %libomptarget-compile-generic -DB -c -o %t-b.o
   3 // RUN: %libomptarget-compile-generic %t-a.o %t-b.o && \
   4 // RUN:   %libomptarget-run-generic | %fcheck-generic
   5
   6 #if defined(A)
   7 __attribute__((weak)) int x = 999;
   8 #pragma omp declare target to(x)
   9 #elif defined(B)
  10 int x = 42;
  11 #pragma omp declare target to(x)
  12 __attribute__((weak)) int y = 42;
  13 #pragma omp declare target to(y)
  14 #else
  15
  16 #include <stdio.h>
  17
  18 extern int x;
  19 #pragma omp declare target to(x)
  20 extern int y;
  21 #pragma omp declare target to(y)
  22
  23 int main() {
  24   x = 0;
  25
  26 #pragma omp target update from(x)
  27 #pragma omp target update from(y)
  28
  29   // CHECK: PASS
  30   if (x == 42 && y == 42)
  31     printf("PASS\n");
  32 }
  33 #endif