gnu/dist/gcc4/gcc/testsuite/gcc.dg/tree-ssa/20030922-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dom3" } */
   3
   4 extern void abort (void);
   5
   6 union tree_node;
   7 typedef union tree_node *tree;
   8 enum tree_code
   9 {
  10   BIND_EXPR,
  11 };
  12 struct tree_common
  13 {
  14   enum tree_code code:8;
  15 };
  16 union tree_node
  17 {
  18   struct tree_common common;
  19 };
  20 tree
  21 voidify_wrapper_expr (tree wrapper)
  22 {
  23   switch (wrapper->common.code)
  24     {
  25     case BIND_EXPR:
  26       if (wrapper->common.code != BIND_EXPR)
  27         abort ();
  28     }
  29 }
  30
  31
  32 /* There should be no IF conditionals.  */
  33 /* { dg-final { scan-tree-dump-times "if " 0 "dom3"} } */
  34 /* { dg-final { cleanup-tree-dump "dom3" } } */