diff options
Diffstat (limited to 'gcc/cfghooks.h')
| -rw-r--r-- | gcc/cfghooks.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/cfghooks.h b/gcc/cfghooks.h index 00a9816..a44a208 100644 --- a/gcc/cfghooks.h +++ b/gcc/cfghooks.h @@ -31,6 +31,9 @@ struct cfg_hooks /* Basic CFG manipulation. */ + /* Return new basic block */ + basic_block (*create_basic_block) PARAMS ((void *head, void *end, basic_block after)); + /* Redirect edge E to the given basic block B and update underlying program representation. Returns false when edge is not easily redirectable for whatever reason. */ @@ -47,6 +50,12 @@ struct cfg_hooks /* Split basic block B after specified instruction I. */ edge (*split_block) (basic_block b, void * i); + /* Return true when blocks A and B can be merged into single basic block. */ + bool (*can_merge_blocks_p) PARAMS ((basic_block a, basic_block b)); + + /* Merge blocks A and B. */ + void (*merge_blocks) PARAMS ((basic_block a, basic_block b)); + /* Higher level functions representable by primitive operations above if we didn't have some oddities in RTL and Tree representations. */ basic_block (*cfgh_split_edge) (edge); @@ -57,6 +66,9 @@ struct cfg_hooks #define split_block(e,i) cfg_hooks->split_block (e,i) #define delete_block(b) cfg_hooks->delete_block (b) #define split_edge(e) cfg_hooks->cfgh_split_edge (e) +#define create_basic_block(h,e,a) cfg_hooks->create_basic_block (h,e,a) +#define can_merge_blocks_p(a,b) cfg_hooks->can_merge_blocks_p (a,b) +#define merge_blocks(a,b) cfg_hooks->merge_blocks (a,b) /* Hooks containers. */ extern struct cfg_hooks rtl_cfg_hooks; |