- along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
-
-/* Structure to hold information about the blocks during reordering. */
-typedef struct reorder_block_def
-{
- rtx eff_head;
- rtx eff_end;
- basic_block next;
- int visited;
-} *reorder_block_def;
-
-#define RBI(BB) ((reorder_block_def) (BB)->aux)
-
-extern void cfg_layout_initialize PARAMS ((void));
-extern void cfg_layout_finalize PARAMS ((void));
-
-extern void scope_to_insns_initialize PARAMS ((void));
-extern void scope_to_insns_finalize PARAMS ((void));
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_CFGLAYOUT_H
+#define GCC_CFGLAYOUT_H
+
+#include "basic-block.h"
+
+extern GTY(()) rtx cfg_layout_function_footer;
+extern GTY(()) rtx cfg_layout_function_header;
+
+extern void cfg_layout_initialize (unsigned int);
+extern void cfg_layout_finalize (void);
+extern void reemit_insn_block_notes (void);
+extern bool can_copy_bbs_p (basic_block *, unsigned);
+extern void copy_bbs (basic_block *, unsigned, basic_block *,
+ edge *, unsigned, edge *, struct loop *,
+ basic_block);
+extern rtx duplicate_insn_chain (rtx, rtx);
+
+#endif /* GCC_CFGLAYOUT_H */