/* Basic block reordering routines for the GNU compiler.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
-struct scope_def;
-typedef struct scope_def *scope;
+#ifndef GCC_CFGLAYOUT_H
+#define GCC_CFGLAYOUT_H
-/* Structure to hold information about the blocks during reordering. */
-typedef struct reorder_block_def
-{
- rtx eff_head;
- rtx eff_end;
- scope scope;
- basic_block next;
- int visited;
-} *reorder_block_def;
+#include "basic-block.h"
-#define RBI(BB) ((reorder_block_def) (BB)->aux)
+extern rtx cfg_layout_function_footer;
-extern void cfg_layout_initialize PARAMS ((void));
-extern void cfg_layout_finalize PARAMS ((void));
+extern void cfg_layout_initialize (unsigned int);
+extern void cfg_layout_finalize (void);
+extern void insn_locators_initialize (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 *);
+extern rtx duplicate_insn_chain (rtx, rtx);
+
+#endif /* GCC_CFGLAYOUT_H */