gcc/testsuite/gcc.dg/autopar/pr86097.c

   1 /* { dg-options "-O2 -ftree-parallelize-loops=2 -fno-tree-dce -Wno-aggressive-loop-optimizations" } */
   2 int rp, vd;
   3
   4 void
   5 p5 (int cd)
   6 {
   7   while (cd != 0)
   8     {
   9       for (rp = 0; rp < 4; ++rp)
  10         for (vd = 0; vd < 1; ++vd)
  11           {
  12  g0:
  13             ;
  14           }
  15
  16       ++rp;
  17     }
  18
  19   while (rp < 2)
  20     {
  21       for (cd = 0; cd < 1; ++cd)
  22         for (rp = 1; rp != 0; ++rp)
  23           {
  24           }
  25
  26       ++rp;
  27     }
  28
  29   if (cd != 0)
  30     goto g0;
  31 }