gcc/testsuite/gcc.dg/goacc/nvptx-merged-loop.c

   1 /* { dg-do link } */
   2 /* { dg-require-effective-target offload_nvptx } */
   3 /* { dg-options "-fopenacc -O2 -foffload=-fdump-rtl-mach\\ -dumpbase\\ nvptx-merged-loop.c\\ -Wa,--no-verify" } */
   4
   5 #define N (32*32*32+17)
   6 void __attribute__ ((noinline)) Foo (int *ary)
   7 {
   8   int ix;
   9
  10 #pragma acc parallel num_workers(32) vector_length(32) copyout(ary[0:N])
  11   {
  12     /* Loop partitioning should be merged.  */
  13 #pragma acc loop worker vector
  14     for (unsigned ix = 0; ix < N; ix++)
  15       {
  16         ary[ix] = ix;
  17       }
  18   }
  19 }
  20
  21 int main ()
  22 {
  23   int ary[N];
  24
  25   Foo (ary);
  26
  27   return 0;
  28 }
  29
  30 /* { dg-final { scan-rtl-dump "Merging loop .* into " "mach" } } */