diff options
Diffstat (limited to 'gcc/cfghooks.h')
| -rw-r--r-- | gcc/cfghooks.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/cfghooks.h b/gcc/cfghooks.h index cd4bd4165ec..951bdf6e17d 100644 --- a/gcc/cfghooks.h +++ b/gcc/cfghooks.h @@ -138,6 +138,13 @@ struct cfg_hooks /* 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); + + /* True if a block contains no executable instructions. */ + bool (*empty_block_p) (basic_block); + + /* Split a basic block if it ends with a conditional branch and if + the other part of the block is not empty. */ + basic_block (*split_block_before_cond_jump) (basic_block); }; extern void verify_flow_info (void); @@ -166,6 +173,8 @@ extern bool predicted_by_p (const_basic_block bb, enum br_predictor predictor); extern bool can_duplicate_block_p (const_basic_block); extern basic_block duplicate_block (basic_block, edge, basic_block); extern bool block_ends_with_call_p (basic_block bb); +extern bool empty_block_p (basic_block); +extern basic_block split_block_before_cond_jump (basic_block); extern bool block_ends_with_condjump_p (const_basic_block bb); extern int flow_call_edges_add (sbitmap); extern void execute_on_growing_pred (edge); |