gcc/testsuite/gcc.c-torture/compile/pr34808.c

   1 /* PR 34808 */
   2 /* { dg-do compile }
   3 /* { dg-options "-fno-tree-dominator-opts" } */
   4
   5 extern int flags;
   6
   7 struct r { int code; int val;};
   8
   9 void bar (void);
  10 void baz (void);
  11
  12 int
  13 foo (struct r *home)
  14 {
  15   int n = 0;
  16   int regno = -1;
  17
  18   if (home->code == 0)
  19     regno = home->val;
  20
  21   if (home->code == 1)
  22       bar ();
  23   else if (regno >= 0)
  24     n = (regno == 16
  25          ? 16
  26          : (regno - (unsigned long long) (flags != 0 ? 63 : 15)
  27             ? regno - 128
  28             : -1));
  29
  30   baz ();
  31   return n;
  32 }