gcc/testsuite/gcc.dg/loop-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-rtl-loop2_invariant" } */
   3
   4 void
   5 f (double *a)
   6 {
   7   int i;
   8   for (i = 0; i < 100; i++)
   9     a[i] = 18.4242;
  10 }
  11
  12 /* Load of x is moved out of the loop.  */
  13 /* { dg-final { scan-rtl-dump "Decided" "loop2_invariant" } } */
  14 /* { dg-final { scan-rtl-dump "without introducing a new temporary register" "loop2_invariant" } } */
  15