gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-4.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target pthread } */
   3 /* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
   4
   5 /* Constant bound, reduction.  */
   6
   7 #define N 4000
   8
   9 unsigned int *a;
  10
  11 unsigned int
  12 f (void)
  13 {
  14   int i;
  15   unsigned int sum = 1;
  16
  17   for (i = 0; i < N; ++i)
  18     sum += a[i];
  19
  20   return sum;
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops" } } */