diff options
Diffstat (limited to 'gcc/cfghooks.h')
| -rw-r--r-- | gcc/cfghooks.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/cfghooks.h b/gcc/cfghooks.h index 92a458ed4aa..a05a0154c92 100644 --- a/gcc/cfghooks.h +++ b/gcc/cfghooks.h @@ -108,6 +108,33 @@ struct cfg_hooks /* This function is called immediately before edge E is removed from the edge vector E->dest->preds. */ void (*execute_on_shrinking_pred) (edge); + + /* A hook for duplicating loop in CFG, currently this is used + in loop versioning. */ + bool (*cfg_hook_duplicate_loop_to_header_edge) (struct loop *loop, edge e, + struct loops *loops, + unsigned int ndupl, + sbitmap wont_exit, + edge orig, edge *to_remove, + unsigned int *n_to_remove, + int flags); + + /* Add conition to new basic block and update CFG used in loop + versioning. */ + void (*lv_add_condition_to_bb) (basic_block, basic_block, basic_block, + void *); + /* Update the PHI nodes in case of loop versioning. */ + void (*lv_adjust_loop_header_phi) (basic_block, basic_block, + basic_block, edge); + + /* Given a condition BB extract the true/false taken/not taken edges + (depending if we are on tree's or RTL). */ + void (*extract_cond_bb_edges) (basic_block, edge *, edge *); + + + /* Add PHI arguments queued in PENDINT_STMT list on edge E to edge + E->dest (only in tree-ssa loop versioning. */ + void (*flush_pending_stmts) (edge); }; extern void verify_flow_info (void); @@ -136,6 +163,20 @@ extern bool block_ends_with_condjump_p (basic_block bb); extern int flow_call_edges_add (sbitmap); extern void execute_on_growing_pred (edge); extern void execute_on_shrinking_pred (edge); +extern bool cfg_hook_duplicate_loop_to_header_edge (struct loop *loop, edge, + struct loops *loops, + unsigned int ndupl, + sbitmap wont_exit, + edge orig, edge *to_remove, + unsigned int *n_to_remove, + int flags); + +extern void lv_flush_pending_stmts (edge); +extern void extract_cond_bb_edges (basic_block, edge *, edge*); +extern void lv_adjust_loop_header_phi (basic_block, basic_block, basic_block, + edge); +extern void lv_add_condition_to_bb (basic_block, basic_block, basic_block, + void *); /* Hooks containers. */ extern struct cfg_hooks tree_cfg_hooks; |