gcc/testsuite/gcc.dg/tree-ssa/pr22051-2.c

   1 /* { dg-do compile }  */
   2 /* { dg-options "-O2 -fdump-tree-optimized -w" }  */
   3
   4
   5
   6
   7 void *arf ();
   8 int
   9 foo()
  10 {
  11   void (*q)(void);
  12   int r = q;
  13
  14   if (r != 0)
  15     return 1;
  16   else
  17     return 2;
  18 }
  19
  20 /* The cast to an int type must remain after all optimizations are complete
  21    so that we do not try to canonicalize a function pointer for the
  22    comparison when no such canonicalization is wanted.  */
  23 /* { dg-final { scan-tree-dump-times "if \\(\\(int\\).*q" 1 "optimized" } } */
  24 /* { dg-final { cleanup-tree-dump "optimized" } } */
  25