gcc/testsuite/gcc.dg/shrink-wrap-loop.c

   1 /* { dg-do compile { target { { x86_64-*-* && lp64 } || { arm_thumb2 } } } } */
   2 /* { dg-options "-O2 -fdump-rtl-pro_and_epilogue"  } */
   3
   4 int foo (int *p1, int *p2);
   5
   6 int
   7 test (int *p1, int *p2)
   8 {
   9   int *p;
  10
  11   for (p = p2; p != 0; p++)
  12     {
  13       if (!foo (p, p1))
  14         return 0;
  15     }
  16
  17   return 1;
  18 }
  19 /* { dg-final { scan-rtl-dump "Performing shrink-wrapping" "pro_and_epilogue"  } } */
  20 /* { dg-final { cleanup-rtl-dump "pro_and_epilogue" } } */