offload/test/offloading/bug64959_compile_only.c

   1 // RUN: %libomptarget-compile-generic
   2 // RUN: %libomptarget-compileopt-generic
   3
   4 #include <stdio.h>
   5 #define N 10
   6
   7 int main(void) {
   8   long int aa = 0;
   9   int res = 0;
  10
  11   int ng = 12;
  12   int cmom = 14;
  13   int nxyz = 5000;
  14
  15 #pragma omp target teams distribute num_teams(nxyz)                            \
  16     thread_limit(ng *(cmom - 1)) map(tofrom : aa)
  17   for (int gid = 0; gid < nxyz; gid++) {
  18 #pragma omp parallel for collapse(2)
  19     for (unsigned int g = 0; g < ng; g++) {
  20       for (unsigned int l = 0; l < cmom - 1; l++) {
  21         int a = 0;
  22 #pragma omp parallel for reduction(+ : a)
  23         for (int i = 0; i < N; i++) {
  24           a += i;
  25         }
  26 #pragma omp atomic
  27         aa += a;
  28       }
  29     }
  30   }
  31   long exp = (long)ng * (cmom - 1) * nxyz * (N * (N - 1) / 2);
  32   printf("The result is = %ld exp:%ld!\n", aa, exp);
  33   if (aa != exp) {
  34     printf("Failed %ld\n", aa);
  35     return 1;
  36   }
  37   // CHECK: Success
  38   printf("Success\n");
  39   return 0;
  40 }