gcc/testsuite/gcc.dg/tree-ssa/20030821-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom2 -fdump-tree-optimized" } */
   3
   4 void dont_remove (void);
   5
   6 void foo(int k)
   7 {
   8   int i = 1;
   9   void *label;
  10
  11   label = k ? &&x : &&y;
  12
  13   if (k == 1)
  14     goto *label;
  15
  16   i = 0;
  17   goto z;
  18 z:
  19 x:
  20   if (i)
  21     dont_remove ();
  22 y: ;
  23 }
  24
  25 /* { dg-final { scan-tree-dump-times "dont_remove \\(\\)" 1 "optimized"} } */
  26
  27 /* We should have folded away the goto &x  */
  28 /* { dg-final { scan-tree-dump-times "goto &x" 0 "optimized"} } */