diff options
Diffstat (limited to 'gcc/cp/optimize.c')
| -rw-r--r-- | gcc/cp/optimize.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/cp/optimize.c b/gcc/cp/optimize.c index 0f50173..2ffbd6f 100644 --- a/gcc/cp/optimize.c +++ b/gcc/cp/optimize.c @@ -72,6 +72,37 @@ update_cloned_parm (tree parm, tree cloned_parm, bool first) DECL_GIMPLE_REG_P (cloned_parm) = DECL_GIMPLE_REG_P (parm); } +/* FN is a function that has a complete body, and CLONE is a function whose + body is to be set to a copy of FN, mapping argument declarations according + to the ARG_MAP splay_tree. */ + +static void +clone_body (tree clone, tree fn, void *arg_map) +{ + copy_body_data id; + + /* Clone the body, as if we were making an inline call. But, remap the + parameters in the callee to the parameters of caller. */ + memset (&id, 0, sizeof (id)); + id.src_fn = fn; + id.dst_fn = clone; + id.src_cfun = DECL_STRUCT_FUNCTION (fn); + id.decl_map = (struct pointer_map_t *)arg_map; + + id.copy_decl = copy_decl_no_change; + id.transform_call_graph_edges = CB_CGE_DUPLICATE; + id.transform_new_cfg = true; + id.transform_return_to_modify = false; + id.transform_lang_insert_block = insert_block; + + /* We're not inside any EH region. */ + id.eh_region = -1; + + /* Actually copy the body. */ + append_to_statement_list_force (copy_generic_body (&id), + &DECL_SAVED_TREE (clone)); +} + /* FN is a function that has a complete body. Clone the body as necessary. Returns nonzero if there's no longer any need to process the main body. */ |