gcc/testsuite/gcc.dg/tree-ssa/pr56727.c

   1 /* { dg-do compile { target fpic } } *
   2 /* { dg-require-alias "" } */
   3 /* { dg-options "-O2 -fPIC -fdump-tree-optimized" } */
   4 void do_not_optimize(int b)
   5 {
   6     do_not_optimize(0);
   7 }
   8 void do_optimize(int b)
   9 {
  10     do_optimize(0);
  11 }
  12
  13 void g(int b) __attribute__((alias(("do_not_optimize"))));
  14
  15 /* { dg-final { scan-tree-dump "do_not_optimize .0" "optimized" } } */
  16 /* { dg-final { scan-tree-dump-not "do_optimize .0" "optimized" } } */