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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom1 -fdump-tree-optimized" } */
   3
   4 void foo(int k)
   5 {
   6   int i = 1;
   7   void *label;
   8
   9   label = k ? &&x : &&y;
  10
  11   if (k == 1)
  12     goto *label;
  13
  14   i = 0;
  15   goto z;
  16 z:
  17 x:
  18   if (i)
  19     dont_remove ();
  20 y: ;
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "dont_remove \\(\\)" 1 "optimized"} } */
  24
  25 /* We should have folded away the goto &x  */
  26 /* { dg-final { scan-tree-dump-times "goto &x" 0 "optimized"} } */
  27 /* { dg-final { cleanup-tree-dump "optimized" } } */
  28 /* { dg-final { cleanup-tree-dump "dom1" } } */