gcc/testsuite/gcc.dg/tree-ssa/cunroll-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-cunroll-details -fno-tree-vectorize" } */
   3 int *a;
   4 void
   5 test(int c)
   6 {
   7   int i;
   8   for (i=0;i<6;i++)
   9     a[i]=5;
  10 }
  11 /* Basic testcase for complette unrolling.  */
  12 /* { dg-final { scan-tree-dump "loop with 5 iterations completely unrolled" "cunroll"} } */
  13 /* { dg-final { scan-tree-dump "Exit condition of peeled iterations was eliminated." "cunroll"} } */
  14 /* { dg-final { scan-tree-dump "Last iteration exit edge was proved true." "cunroll"} } */