libgomp/testsuite/libgomp.c-c++-common/pr66199-6.c

   1 /* PR middle-end/66199 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" { target c } } */
   4
   5 #pragma omp declare target
   6 int u[1024], v[1024], w[1024];
   7 #pragma omp end declare target
   8
   9 __attribute__((noinline, noclone)) long
  10 f2 (long a, long b, long c)
  11 {
  12   long d, e;
  13   #pragma omp target map(from: d, e)
  14   #pragma omp teams distribute parallel for default(none) firstprivate (a, b, c) shared(u, v, w) lastprivate(d, e)
  15   for (d = a; d < b; d++)
  16     {
  17       u[d] = v[d] + w[d];
  18       e = c + d * 5;
  19     }
  20   return d + e;
  21 }
  22
  23 __attribute__((noinline, noclone)) long
  24 f3 (long a1, long b1, long a2, long b2)
  25 {
  26   long d1, d2;
  27   #pragma omp target map(from: d1, d2)
  28   #pragma omp teams distribute parallel for default(none) firstprivate (a1, b1, a2, b2) shared(u, v, w) lastprivate(d1, d2) collapse(2)
  29   for (d1 = a1; d1 < b1; d1++)
  30     for (d2 = a2; d2 < b2; d2++)
  31       u[d1 * 32 + d2] = v[d1 * 32 + d2] + w[d1 * 32 + d2];
  32   return d1 + d2;
  33 }
  34
  35 int
  36 main ()
  37 {
  38   if (f2 (0, 1024, 17) != 1024 + (17 + 5 * 1023)
  39       || f3 (0, 32, 0, 32) != 64)
  40     __builtin_abort ();
  41   return 0;
  42 }