/usr/lib/gcc-cross/powerpc64-linux-gnu/7/plugin/include/tree-inline.h is in gcc-7-plugin-dev-powerpc64-linux-gnu 7.3.0-16ubuntu3cross1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 | /* Tree inlining hooks and declarations.
Copyright (C) 2001-2017 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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_TREE_INLINE_H
#define GCC_TREE_INLINE_H
struct cgraph_edge;
/* 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
};
typedef int_hash <unsigned short, 0> dependence_hash;
/* Data required for function body duplication. */
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 VAR_DECL for the return bounds. */
tree retbnd;
/* Assign statements that need bounds copy. */
vec<gimple *> assign_stmts;
/* The map from local declarations in the inlined function to
equivalents in the function into which it is being inlined. */
hash_map<tree, 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;
/* GIMPLE_CALL if va arg parameter packs should be expanded or NULL
is not. */
gcall *call_stmt;
/* Exception landing pad the inlined call lies in. */
int eh_lp_nr;
/* Maps region and landing pad structures from the function being copied
to duplicates created within the function we inline into. */
hash_map<void *, void *> *eh_map;
/* 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. */
/* What to do with call graph edges. */
enum copy_body_cge_which 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 the parameters of the source function are transformed.
Only true for inlining. */
bool transform_parameter;
/* True if this statement will need to be regimplified. */
bool regimplify;
/* True if trees should not be unshared. */
bool do_not_unshare;
/* > 0 if we are remapping a type currently. */
int remapping_type_depth;
/* A function to be called when duplicating BLOCK nodes. */
void (*transform_lang_insert_block) (tree);
/* Statements that might be possibly folded. */
hash_set<gimple *> *statements_to_fold;
/* Entry basic block to currently copied body. */
basic_block entry_bb;
/* For partial function versioning, bitmap of bbs to be copied,
otherwise NULL. */
bitmap blocks_to_copy;
/* Debug statements that need processing. */
vec<gdebug *> debug_stmts;
/* A map from local declarations in the inlined function to
equivalents in the function into which it is being inlined, where
the originals have been mapped to a value rather than to a
variable. */
hash_map<tree, tree> *debug_map;
/* A map from the inlined functions dependence info cliques to
equivalents in the function into which it is being inlined. */
hash_map<dependence_hash, unsigned short> *dependence_map;
/* A list of addressable local variables remapped into the caller
when inlining a call within an OpenMP SIMD-on-SIMT loop. */
vec<tree> *dst_simt_vars;
/* Cilk keywords currently need to replace some variables that
ordinary nested functions do not. */
bool remap_var_for_cilk;
/* Do not create new declarations when within type remapping. */
bool prevent_decl_creation_for_types;
};
/* Weights of constructions for estimate_num_insns. */
struct eni_weights
{
/* Cost per call. */
unsigned call_cost;
/* Cost per indirect call. */
unsigned indirect_call_cost;
/* Cost per call to a target specific builtin */
unsigned target_builtin_call_cost;
/* Cost of "expensive" div and mod operations. */
unsigned div_mod_cost;
/* Cost for omp construct. */
unsigned omp_cost;
/* Cost for tm transaction. */
unsigned tm_cost;
/* Cost of return. */
unsigned return_cost;
/* True when time of statement should be estimated. Thus, the
cost of a switch statement is logarithmic rather than linear in number
of cases. */
bool time_based;
};
/* Weights that estimate_num_insns uses for heuristics in inlining. */
extern eni_weights eni_inlining_weights;
/* Weights that estimate_num_insns uses to estimate the size of the
produced code. */
extern eni_weights eni_size_weights;
/* Weights that estimate_num_insns uses to estimate the time necessary
to execute the produced code. */
extern eni_weights eni_time_weights;
/* Function prototypes. */
void init_inline_once (void);
extern tree copy_tree_body_r (tree *, int *, void *);
extern void insert_decl_map (copy_body_data *, tree, tree);
unsigned int optimize_inline_calls (tree);
tree maybe_inline_call_in_expr (tree);
bool tree_inlinable_function_p (tree);
tree copy_tree_r (tree *, int *, void *);
tree copy_decl_no_change (tree decl, copy_body_data *id);
int estimate_move_cost (tree type, bool);
int estimate_num_insns (gimple *, eni_weights *);
int estimate_num_insns_fn (tree, eni_weights *);
int estimate_num_insns_seq (gimple_seq, eni_weights *);
bool tree_versionable_function_p (tree);
extern tree remap_decl (tree decl, copy_body_data *id);
extern tree remap_type (tree type, copy_body_data *id);
extern gimple_seq copy_gimple_seq_and_replace_locals (gimple_seq seq);
extern bool debug_find_tree (tree, tree);
extern tree copy_fn (tree, tree&, tree&);
extern const char *copy_forbidden (struct function *fun);
extern tree copy_decl_for_dup_finish (copy_body_data *id, tree decl, tree copy);
/* This is in tree-inline.c since the routine uses
data structures from the inliner. */
extern tree build_duplicate_type (tree);
#endif /* GCC_TREE_INLINE_H */
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