diff options
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index 4223a39c45f..09eef08ca3d 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -168,11 +168,13 @@ enum LOOPS_HAVE_PREHEADERS = 1, LOOPS_HAVE_SIMPLE_LATCHES = 2, LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS = 4, - LOOPS_HAVE_RECORDED_EXITS = 8 + LOOPS_HAVE_RECORDED_EXITS = 8, + LOOPS_MAY_HAVE_MULTIPLE_LATCHES = 16 }; #define LOOPS_NORMAL (LOOPS_HAVE_PREHEADERS | LOOPS_HAVE_SIMPLE_LATCHES \ | LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS) +#define AVOID_CFG_MODIFICATIONS (LOOPS_MAY_HAVE_MULTIPLE_LATCHES) typedef struct loop *loop_p; DEF_VEC_P (loop_p); @@ -198,6 +200,7 @@ struct loops /* Loop recognition. */ extern int flow_loops_find (struct loops *); +extern void disambiguate_loops_with_multiple_latches (void); extern void flow_loops_free (struct loops *); extern void flow_loops_dump (FILE *, void (*)(const struct loop *, FILE *, int), int); @@ -215,6 +218,7 @@ void rescan_loop_exit (edge, bool, bool); /* Loop data structure manipulation/querying. */ extern void flow_loop_tree_node_add (struct loop *, struct loop *); extern void flow_loop_tree_node_remove (struct loop *); +extern void add_loop (struct loop *, struct loop *); extern bool flow_loop_nested_p (const struct loop *, const struct loop *); extern bool flow_bb_inside_loop_p (const struct loop *, const basic_block); extern struct loop * find_common_loop (struct loop *, struct loop *); @@ -229,6 +233,8 @@ extern void mark_loop_exit_edges (void); /* Loops & cfg manipulation. */ extern basic_block *get_loop_body (const struct loop *); +extern unsigned get_loop_body_with_size (const struct loop *, basic_block *, + unsigned); extern basic_block *get_loop_body_in_dom_order (const struct loop *); extern basic_block *get_loop_body_in_bfs_order (const struct loop *); extern VEC (edge, heap) *get_loop_exit_edges (const struct loop *); |
