struct loop;
/* Declared in tree-flow.h. */
-struct edge_prediction;
struct rtl_bb_info;
/* A basic block is a sequence of instructions with only entry and
{
PROFILE_ABSENT,
PROFILE_GUESSED,
- PROFILE_READ
+ PROFILE_READ,
+ PROFILE_LAST /* Last value, used by profile streaming. */
};
/* A structure to group all the per-function control flow graph data.
extern void flow_edge_list_print (const char *, const edge *, int, FILE *);
/* In cfgrtl.c */
-extern basic_block force_nonfallthru (edge);
extern rtx block_label (basic_block);
extern bool purge_all_dead_edges (void);
extern bool purge_dead_edges (basic_block);
+extern bool fixup_abnormal_edges (void);
/* In cfgbuild.c. */
extern void find_many_sub_basic_blocks (sbitmap);
extern void rtl_make_eh_edge (sbitmap, basic_block, rtx);
+enum replace_direction { dir_none, dir_forward, dir_backward, dir_both };
+
/* In cfgcleanup.c. */
extern bool cleanup_cfg (int);
-extern int flow_find_cross_jump (basic_block, basic_block, rtx *, rtx *);
+extern int flow_find_cross_jump (basic_block, basic_block, rtx *, rtx *,
+ enum replace_direction*);
extern int flow_find_head_matching_sequence (basic_block, basic_block,
rtx *, rtx *, int);
extern bool mark_dfs_back_edges (void);
extern void set_edge_can_fallthru_flag (void);
extern void update_br_prob_note (basic_block);
-extern void fixup_abnormal_edges (void);
extern bool inside_basic_block_p (const_rtx);
extern bool control_flow_insn_p (const_rtx);
extern rtx get_last_bb_insn (basic_block);
void set_loop_copy (struct loop *, struct loop *);
struct loop *get_loop_copy (struct loop *);
-
-extern rtx insert_insn_end_bb_new (rtx, basic_block);
-
#include "cfghooks.h"
/* Return true when one of the predecessor edges of BB is marked with EDGE_EH. */