| /* Tree inlining hooks and declarations. |
| Copyright 2001, 2003, 2004, 2005 Free Software Foundation, Inc. |
| Contributed by Alexandre Oliva <aoliva@redhat.com> |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #ifndef GCC_TREE_INLINE_H |
| #define GCC_TREE_INLINE_H |
| |
| #include "varray.h" |
| #include "splay-tree.h" |
| |
| |
| /* Data required for function body duplication. */ |
| |
| typedef struct copy_body_data |
| { |
| /* FUNCTION_DECL for function being inlined, or in general the |
| source function providing the original trees. */ |
| tree src_fn; |
| /* FUNCTION_DECL for function being inlined into, or in general |
| the destination function receiving the new trees. */ |
| tree dst_fn; |
| /* Callgraph node of the source function. */ |
| struct cgraph_node *src_node; |
| /* Callgraph node of the destination function. */ |
| struct cgraph_node *dst_node; |
| /* struct function for function being inlined. Usually this is the same |
| as DECL_STRUCT_FUNCTION (src_fn), but can be different if saved_cfg |
| and saved_eh are in use. */ |
| struct function *src_cfun; |
| |
| /* The VAR_DECL for the return value. */ |
| tree retvar; |
| /* The map from local declarations in the inlined function to |
| equivalents in the function into which it is being inlined. */ |
| splay_tree decl_map; |
| |
| /* Create a new decl to replace DECL in the destination function. */ |
| tree (*copy_decl) (tree, struct copy_body_data *); |
| |
| /* Current BLOCK. */ |
| tree block; |
| |
| /* Exception region the inlined call lie in. */ |
| int eh_region; |
| /* Take region number in the function being copied, add this value and |
| get eh region number of the duplicate in the function we inline into. */ |
| int eh_region_offset; |
| |
| /* APPLE LOCAL begin radar 4152603 */ |
| /* Set location of each copied statement to call_location. */ |
| bool call_location_p; |
| location_t call_location; |
| /* APPLE LOCAL end radar 4152603 */ |
| |
| /* We use the same mechanism do all sorts of different things. Rather |
| than enumerating the different cases, we categorize the behavior |
| in the various situations. */ |
| |
| /* Indicate the desired behavior wrt call graph edges. We can either |
| duplicate the edge (inlining, cloning), move the edge (versioning, |
| parallelization), or move the edges of the clones (saving). */ |
| enum copy_body_cge_which { |
| CB_CGE_DUPLICATE, |
| CB_CGE_MOVE, |
| CB_CGE_MOVE_CLONES |
| } transform_call_graph_edges; |
| |
| /* True if a new CFG should be created. False for inlining, true for |
| everything else. */ |
| bool transform_new_cfg; |
| |
| /* True if RETURN_EXPRs should be transformed to just the contained |
| MODIFY_EXPR. The branch semantics of the return will be handled |
| by manipulating the CFG rather than a statement. */ |
| bool transform_return_to_modify; |
| |
| /* True if lang_hooks.decls.insert_block should be invoked when |
| duplicating BLOCK nodes. */ |
| bool transform_lang_insert_block; |
| } copy_body_data; |
| |
| /* Function prototypes. */ |
| |
| extern tree copy_body_r (tree *, int *, void *); |
| extern void insert_decl_map (copy_body_data *, tree, tree); |
| |
| void optimize_inline_calls (tree); |
| bool tree_inlinable_function_p (tree); |
| tree copy_tree_r (tree *, int *, void *); |
| void clone_body (tree, tree, void *); |
| void save_body (tree, tree *, tree *); |
| int estimate_move_cost (tree type); |
| void push_cfun (struct function *new_cfun); |
| void pop_cfun (void); |
| int estimate_num_insns (tree expr); |
| bool tree_versionable_function_p (tree); |
| void tree_function_versioning (tree, tree, varray_type, bool); |
| |
| extern tree remap_decl (tree decl, copy_body_data *id); |
| extern tree remap_type (tree type, copy_body_data *id); |
| |
| /* 0 if we should not perform inlining. |
| 1 if we should expand functions calls inline at the tree level. |
| 2 if we should consider *all* functions to be inline |
| candidates. */ |
| |
| extern int flag_inline_trees; |
| |
| #endif /* GCC_TREE_INLINE_H */ |