/* Callgraph handling code.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by Jan Hubicka
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
+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
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_CGRAPH_H
#define GCC_CGRAPH_H
AVAIL_LOCAL
};
+/* This is the information that is put into the cgraph local structure
+ to recover a function. */
+struct lto_file_decl_data;
+
+extern const char * const cgraph_availability_names[];
+
+/* Function inlining information. */
+
+struct GTY(()) inline_summary
+{
+ /* Estimated stack frame consumption by the function. */
+ HOST_WIDE_INT estimated_self_stack_size;
+
+ /* Size of the function body. */
+ int self_size;
+ /* How many instructions are likely going to disappear after inlining. */
+ int size_inlining_benefit;
+ /* Estimated time spent executing the function body. */
+ int self_time;
+ /* How much time is going to be saved by inlining. */
+ int time_inlining_benefit;
+};
+
/* Information about the function collected locally.
Available after function is analyzed. */
-struct cgraph_local_info GTY(())
-{
- /* Size of the function before inlining. */
- int self_insns;
+struct GTY(()) cgraph_local_info {
+ /* File stream where this node is being written to. */
+ struct lto_file_decl_data * GTY ((skip)) lto_file_data;
+
+ struct inline_summary inline_summary;
/* Set when function function is visible in current compilation unit only
and its address is never taken. */
- bool local;
+ unsigned local : 1;
/* Set when function is visible by other units. */
- bool externally_visible;
+ unsigned externally_visible : 1;
/* Set once it has been finalized so we consider it to be output. */
- bool finalized;
+ unsigned finalized : 1;
/* False when there something makes inlining impossible (such as va_arg). */
- bool inlinable;
+ unsigned inlinable : 1;
/* True when function should be inlined independently on its size. */
- bool disregard_inline_limits;
+ unsigned disregard_inline_limits : 1;
/* True when the function has been originally extern inline, but it is
redefined now. */
- bool redefined_extern_inline;
+ unsigned redefined_extern_inline : 1;
/* True if statics_read_for_function and
statics_written_for_function contain valid data. */
- bool for_functions_valid;
+ unsigned for_functions_valid : 1;
/* True if the function is going to be emitted in some other translation
unit, referenced from vtable. */
- bool vtable_method;
+ unsigned vtable_method : 1;
};
/* Information about the function that needs to be computed globally
- once compilation is finished. Available only with -funit-at-time. */
+ once compilation is finished. Available only with -funit-at-a-time. */
-struct cgraph_global_info GTY(())
-{
- /* For inline clones this points to the function they will be inlined into. */
+struct GTY(()) cgraph_global_info {
+ /* Estimated stack frame consumption by the function. */
+ HOST_WIDE_INT estimated_stack_size;
+ /* Expected offset of the stack frame of inlined function. */
+ HOST_WIDE_INT stack_frame_offset;
+
+ /* For inline clones this points to the function they will be
+ inlined into. */
struct cgraph_node *inlined_to;
/* Estimated size of the function after inlining. */
- int insns;
+ int time;
+ int size;
/* Estimated growth after inlining. INT_MIN if not computed. */
int estimated_growth;
/* Information about the function that is propagated by the RTL backend.
Available only for functions that has been already assembled. */
-struct cgraph_rtl_info GTY(())
+struct GTY(()) cgraph_rtl_info {
+ unsigned int preferred_incoming_stack_boundary;
+};
+
+/* Represent which DECL tree (or reference to such tree)
+ will be replaced by another tree while versioning. */
+struct GTY(()) ipa_replace_map
+{
+ /* The tree that will be replaced. */
+ tree old_tree;
+ /* The new (replacing) tree. */
+ tree new_tree;
+ /* True when a substitution should be done, false otherwise. */
+ bool replace_p;
+ /* True when we replace a reference to old_tree. */
+ bool ref_p;
+};
+typedef struct ipa_replace_map *ipa_replace_map_p;
+DEF_VEC_P(ipa_replace_map_p);
+DEF_VEC_ALLOC_P(ipa_replace_map_p,gc);
+
+struct GTY(()) cgraph_clone_info
{
- int preferred_incoming_stack_boundary;
+ VEC(ipa_replace_map_p,gc)* tree_map;
+ bitmap args_to_skip;
+ bitmap combined_args_to_skip;
};
/* The cgraph data structure.
Each function decl has assigned cgraph_node listing callees and callers. */
-struct cgraph_node GTY((chain_next ("%h.next"), chain_prev ("%h.previous")))
-{
+struct GTY((chain_next ("%h.next"), chain_prev ("%h.previous"))) cgraph_node {
tree decl;
struct cgraph_edge *callees;
struct cgraph_edge *callers;
/* Pointer to the next function in cgraph_nodes_queue. */
struct cgraph_node *next_needed;
/* Pointer to the next clone. */
- struct cgraph_node *next_clone;
- struct cgraph_node *prev_clone;
- /* Pointer to a single unique cgraph node for this function. If the
- function is to be output, this is the copy that will survive. */
- struct cgraph_node *master_clone;
-
+ struct cgraph_node *next_sibling_clone;
+ struct cgraph_node *prev_sibling_clone;
+ struct cgraph_node *clones;
+ struct cgraph_node *clone_of;
+ /* For functions with many calls sites it holds map from call expression
+ to the edge to speed up cgraph_edge function. */
+ htab_t GTY((param_is (struct cgraph_edge))) call_site_hash;
+
PTR GTY ((skip)) aux;
struct cgraph_local_info local;
struct cgraph_global_info global;
struct cgraph_rtl_info rtl;
-
+ struct cgraph_clone_info clone;
+
/* Expected number of executions: calculated in profile.c. */
gcov_type count;
/* Unique id of the node. */
int uid;
+ /* Ordering of all cgraph nodes. */
+ int order;
+
+ /* unique id for profiling. pid is not suitable because of different
+ number of cfg nodes with -fprofile-generate and -fprofile-use */
+ int pid;
+
/* Set when function must be output - it is externally visible
or its address is taken. */
- bool needed;
+ unsigned needed : 1;
+ /* Set when function has address taken. */
+ unsigned address_taken : 1;
+ /* Set when decl is an abstract function pointed to by the
+ ABSTRACT_DECL_ORIGIN of a reachable function. */
+ unsigned abstract_and_needed : 1;
/* Set when function is reachable by call from other function
that is either reachable or needed. */
- bool reachable;
- /* Set once the function is lowered (ie it's CFG is built). */
- bool lowered;
+ unsigned reachable : 1;
+ /* Set once the function is lowered (i.e. its CFG is built). */
+ unsigned lowered : 1;
/* Set once the function has been instantiated and its callee
lists created. */
- bool analyzed;
- /* Set when function is scheduled to be assembled. */
- bool output;
- /* Set when function is visible by other units. */
- bool externally_visible;
+ unsigned analyzed : 1;
+ /* Set when function is scheduled to be processed by local passes. */
+ unsigned process : 1;
/* Set for aliases once they got through assemble_alias. */
- bool alias;
+ unsigned alias : 1;
+ /* Set for nodes that was constructed and finalized by frontend. */
+ unsigned finalized_by_frontend : 1;
};
-struct cgraph_edge GTY((chain_next ("%h.next_caller"), chain_prev ("%h.prev_caller")))
+typedef struct cgraph_node *cgraph_node_ptr;
+
+DEF_VEC_P(cgraph_node_ptr);
+DEF_VEC_ALLOC_P(cgraph_node_ptr,heap);
+DEF_VEC_ALLOC_P(cgraph_node_ptr,gc);
+
+/* A cgraph node set is a collection of cgraph nodes. A cgraph node
+ can appear in multiple sets. */
+struct GTY(()) cgraph_node_set_def
{
+ htab_t GTY((param_is (struct cgraph_node_set_element_def))) hashtab;
+ VEC(cgraph_node_ptr, gc) *nodes;
+ PTR GTY ((skip)) aux;
+};
+
+typedef struct cgraph_node_set_def *cgraph_node_set;
+
+DEF_VEC_P(cgraph_node_set);
+DEF_VEC_ALLOC_P(cgraph_node_set,gc);
+DEF_VEC_ALLOC_P(cgraph_node_set,heap);
+
+/* A cgraph node set element contains an index in the vector of nodes in
+ the set. */
+struct GTY(()) cgraph_node_set_element_def
+{
+ struct cgraph_node *node;
+ HOST_WIDE_INT index;
+};
+
+typedef struct cgraph_node_set_element_def *cgraph_node_set_element;
+typedef const struct cgraph_node_set_element_def *const_cgraph_node_set_element;
+
+/* Iterator structure for cgraph node sets. */
+typedef struct
+{
+ cgraph_node_set set;
+ unsigned index;
+} cgraph_node_set_iterator;
+
+#define DEFCIFCODE(code, string) CIF_ ## code,
+/* Reasons for inlining failures. */
+typedef enum {
+#include "cif-code.def"
+ CIF_N_REASONS
+} cgraph_inline_failed_t;
+
+struct GTY((chain_next ("%h.next_caller"), chain_prev ("%h.prev_caller"))) cgraph_edge {
struct cgraph_node *caller;
struct cgraph_node *callee;
struct cgraph_edge *prev_caller;
struct cgraph_edge *next_caller;
struct cgraph_edge *prev_callee;
struct cgraph_edge *next_callee;
- tree call_stmt;
+ gimple call_stmt;
+ /* The stmt_uid of this call stmt. This is used by LTO to recover
+ the call_stmt when the function is serialized in. */
+ unsigned int lto_stmt_uid;
PTR GTY ((skip (""))) aux;
- /* When NULL, inline this call. When non-NULL, points to the explanation
- why function was not inlined. */
- const char *inline_failed;
+ /* When equal to CIF_OK, inline this call. Otherwise, points to the
+ explanation why function was not inlined. */
+ cgraph_inline_failed_t inline_failed;
/* Expected number of executions: calculated in profile.c. */
gcov_type count;
+ /* Expected frequency of executions within the function.
+ When set to CGRAPH_FREQ_BASE, the edge is expected to be called once
+ per function call. The range is 0 to CGRAPH_FREQ_MAX. */
+ int frequency;
/* Depth of loop nest, 1 means no loop nest. */
- int loop_nest;
+ unsigned int loop_nest : 30;
+ /* Whether this edge describes a call that was originally indirect. */
+ unsigned int indirect_call : 1;
+ /* True if the corresponding CALL stmt cannot be inlined. */
+ unsigned int call_stmt_cannot_inline_p : 1;
+ /* Can this call throw externally? */
+ unsigned int can_throw_external : 1;
+ /* Unique id of the edge. */
+ int uid;
};
-/* The cgraph_varpool data structure.
- Each static variable decl has assigned cgraph_varpool_node. */
+#define CGRAPH_FREQ_BASE 1000
+#define CGRAPH_FREQ_MAX 100000
-struct cgraph_varpool_node GTY(())
-{
+typedef struct cgraph_edge *cgraph_edge_p;
+
+DEF_VEC_P(cgraph_edge_p);
+DEF_VEC_ALLOC_P(cgraph_edge_p,heap);
+
+/* The varpool data structure.
+ Each static variable decl has assigned varpool_node. */
+
+struct GTY((chain_next ("%h.next"))) varpool_node {
tree decl;
- /* Pointer to the next function in cgraph_varpool_nodes. */
- struct cgraph_varpool_node *next;
- /* Pointer to the next function in cgraph_varpool_nodes_queue. */
- struct cgraph_varpool_node *next_needed;
+ /* Pointer to the next function in varpool_nodes. */
+ struct varpool_node *next;
+ /* Pointer to the next function in varpool_nodes_queue. */
+ struct varpool_node *next_needed;
+ /* Ordering of all cgraph nodes. */
+ int order;
/* Set when function must be output - it is externally visible
or its address is taken. */
- bool needed;
+ unsigned needed : 1;
/* Needed variables might become dead by optimization. This flag
forces the variable to be output even if it appears dead otherwise. */
- bool force_output;
+ unsigned force_output : 1;
/* Set once the variable has been instantiated and its callee
lists created. */
- bool analyzed;
+ unsigned analyzed : 1;
/* Set once it has been finalized so we consider it to be output. */
- bool finalized;
+ unsigned finalized : 1;
/* Set when variable is scheduled to be assembled. */
- bool output;
+ unsigned output : 1;
/* Set when function is visible by other units. */
- bool externally_visible;
+ unsigned externally_visible : 1;
/* Set for aliases once they got through assemble_alias. */
- bool alias;
+ unsigned alias : 1;
+};
+
+/* Every top level asm statement is put into a cgraph_asm_node. */
+
+struct GTY(()) cgraph_asm_node {
+ /* Next asm node. */
+ struct cgraph_asm_node *next;
+ /* String for this asm node. */
+ tree asm_str;
+ /* Ordering of all cgraph nodes. */
+ int order;
};
extern GTY(()) struct cgraph_node *cgraph_nodes;
extern GTY(()) int cgraph_n_nodes;
extern GTY(()) int cgraph_max_uid;
+extern GTY(()) int cgraph_edge_max_uid;
+extern GTY(()) int cgraph_max_pid;
extern bool cgraph_global_info_ready;
+enum cgraph_state
+{
+ /* Callgraph is being constructed. It is safe to add new functions. */
+ CGRAPH_STATE_CONSTRUCTION,
+ /* Callgraph is built and IPA passes are being run. */
+ CGRAPH_STATE_IPA,
+ /* Callgraph is built and all functions are transformed to SSA form. */
+ CGRAPH_STATE_IPA_SSA,
+ /* Functions are now ordered and being passed to RTL expanders. */
+ CGRAPH_STATE_EXPANSION,
+ /* All cgraph expansion is done. */
+ CGRAPH_STATE_FINISHED
+};
+extern enum cgraph_state cgraph_state;
extern bool cgraph_function_flags_ready;
extern GTY(()) struct cgraph_node *cgraph_nodes_queue;
+extern GTY(()) struct cgraph_node *cgraph_new_nodes;
-extern GTY(()) struct cgraph_varpool_node *cgraph_varpool_first_unanalyzed_node;
-extern GTY(()) struct cgraph_varpool_node *cgraph_varpool_nodes_queue;
+extern GTY(()) struct cgraph_asm_node *cgraph_asm_nodes;
+extern GTY(()) int cgraph_order;
/* In cgraph.c */
void dump_cgraph (FILE *);
+void debug_cgraph (void);
void dump_cgraph_node (FILE *, struct cgraph_node *);
-void dump_varpool (FILE *);
-void dump_cgraph_varpool_node (FILE *, struct cgraph_varpool_node *);
+void debug_cgraph_node (struct cgraph_node *);
+void cgraph_insert_node_to_hashtable (struct cgraph_node *node);
void cgraph_remove_edge (struct cgraph_edge *);
void cgraph_remove_node (struct cgraph_node *);
+void cgraph_remove_node_and_inline_clones (struct cgraph_node *);
+void cgraph_release_function_body (struct cgraph_node *);
void cgraph_node_remove_callees (struct cgraph_node *node);
struct cgraph_edge *cgraph_create_edge (struct cgraph_node *,
struct cgraph_node *,
- tree, gcov_type, int);
+ gimple, gcov_type, int, int);
+
+struct cgraph_node * cgraph_get_node (tree);
struct cgraph_node *cgraph_node (tree);
-struct cgraph_node *cgraph_node_for_asm (tree asmname);
-struct cgraph_edge *cgraph_edge (struct cgraph_node *, tree);
+struct cgraph_node *cgraph_node_for_asm (tree);
+struct cgraph_node *cgraph_node_for_decl (tree);
+struct cgraph_edge *cgraph_edge (struct cgraph_node *, gimple);
+void cgraph_set_call_stmt (struct cgraph_edge *, gimple);
+void cgraph_set_call_stmt_including_clones (struct cgraph_node *, gimple, gimple);
+void cgraph_create_edge_including_clones (struct cgraph_node *,
+ struct cgraph_node *,
+ gimple, gcov_type, int, int,
+ cgraph_inline_failed_t);
+void cgraph_update_edges_for_call_stmt (gimple, tree, gimple);
struct cgraph_local_info *cgraph_local_info (tree);
struct cgraph_global_info *cgraph_global_info (tree);
struct cgraph_rtl_info *cgraph_rtl_info (tree);
const char * cgraph_node_name (struct cgraph_node *);
struct cgraph_edge * cgraph_clone_edge (struct cgraph_edge *,
- struct cgraph_node *,
- tree, gcov_type, int, bool);
-struct cgraph_node * cgraph_clone_node (struct cgraph_node *, gcov_type,
- int, bool);
-
-struct cgraph_varpool_node *cgraph_varpool_node (tree);
-struct cgraph_varpool_node *cgraph_varpool_node_for_asm (tree asmname);
-void cgraph_varpool_mark_needed_node (struct cgraph_varpool_node *);
-void cgraph_varpool_finalize_decl (tree);
+ struct cgraph_node *, gimple,
+ unsigned, gcov_type, int, int, bool);
+struct cgraph_node * cgraph_clone_node (struct cgraph_node *, gcov_type, int,
+ int, bool, VEC(cgraph_edge_p,heap) *);
+
void cgraph_redirect_edge_callee (struct cgraph_edge *, struct cgraph_node *);
+struct cgraph_asm_node *cgraph_add_asm_node (tree);
+
bool cgraph_function_possibly_inlined_p (tree);
void cgraph_unnest_node (struct cgraph_node *);
-void cgraph_varpool_enqueue_needed_node (struct cgraph_varpool_node *);
-void cgraph_varpool_reset_queue (void);
-bool decide_is_variable_needed (struct cgraph_varpool_node *, tree);
enum availability cgraph_function_body_availability (struct cgraph_node *);
-enum availability cgraph_variable_initializer_availability (struct cgraph_varpool_node *);
-bool cgraph_is_master_clone (struct cgraph_node *);
-struct cgraph_node *cgraph_master_clone (struct cgraph_node *);
+void cgraph_add_new_function (tree, bool);
+const char* cgraph_inline_failed_string (cgraph_inline_failed_t);
+struct cgraph_node * cgraph_create_virtual_clone (struct cgraph_node *old_node,
+ VEC(cgraph_edge_p,heap)*,
+ VEC(ipa_replace_map_p,gc)* tree_map,
+ bitmap args_to_skip);
/* In cgraphunit.c */
-bool cgraph_assemble_pending_functions (void);
-bool cgraph_varpool_assemble_pending_decls (void);
void cgraph_finalize_function (tree, bool);
-void cgraph_lower_function (struct cgraph_node *);
+void cgraph_mark_if_needed (tree);
void cgraph_finalize_compilation_unit (void);
void cgraph_optimize (void);
void cgraph_mark_needed_node (struct cgraph_node *);
+void cgraph_mark_address_taken_node (struct cgraph_node *);
void cgraph_mark_reachable_node (struct cgraph_node *);
-bool cgraph_inline_p (struct cgraph_edge *, const char **reason);
+bool cgraph_inline_p (struct cgraph_edge *, cgraph_inline_failed_t *reason);
bool cgraph_preserve_function_body_p (tree);
void verify_cgraph (void);
void verify_cgraph_node (struct cgraph_node *);
void cgraph_reset_static_var_maps (void);
void init_cgraph (void);
struct cgraph_node *cgraph_function_versioning (struct cgraph_node *,
- varray_type, varray_type);
+ VEC(cgraph_edge_p,heap)*,
+ VEC(ipa_replace_map_p,gc)*,
+ bitmap);
+void tree_function_versioning (tree, tree, VEC (ipa_replace_map_p,gc)*, bool, bitmap);
+struct cgraph_node *save_inline_function_body (struct cgraph_node *);
+void record_references_in_initializer (tree, bool);
+bool cgraph_process_new_functions (void);
+
+bool cgraph_decide_is_function_needed (struct cgraph_node *, tree);
+
+typedef void (*cgraph_edge_hook)(struct cgraph_edge *, void *);
+typedef void (*cgraph_node_hook)(struct cgraph_node *, void *);
+typedef void (*cgraph_2edge_hook)(struct cgraph_edge *, struct cgraph_edge *,
+ void *);
+typedef void (*cgraph_2node_hook)(struct cgraph_node *, struct cgraph_node *,
+ void *);
+struct cgraph_edge_hook_list;
+struct cgraph_node_hook_list;
+struct cgraph_2edge_hook_list;
+struct cgraph_2node_hook_list;
+struct cgraph_edge_hook_list *cgraph_add_edge_removal_hook (cgraph_edge_hook, void *);
+void cgraph_remove_edge_removal_hook (struct cgraph_edge_hook_list *);
+struct cgraph_node_hook_list *cgraph_add_node_removal_hook (cgraph_node_hook,
+ void *);
+void cgraph_remove_node_removal_hook (struct cgraph_node_hook_list *);
+struct cgraph_node_hook_list *cgraph_add_function_insertion_hook (cgraph_node_hook,
+ void *);
+void cgraph_remove_function_insertion_hook (struct cgraph_node_hook_list *);
+void cgraph_call_function_insertion_hooks (struct cgraph_node *node);
+struct cgraph_2edge_hook_list *cgraph_add_edge_duplication_hook (cgraph_2edge_hook, void *);
+void cgraph_remove_edge_duplication_hook (struct cgraph_2edge_hook_list *);
+struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook (cgraph_2node_hook, void *);
+void cgraph_remove_node_duplication_hook (struct cgraph_2node_hook_list *);
+void cgraph_materialize_all_clones (void);
+
+/* In cgraphbuild.c */
+unsigned int rebuild_cgraph_edges (void);
+void reset_inline_failed (struct cgraph_node *);
+int compute_call_stmt_bb_frequency (tree, basic_block bb);
/* In ipa.c */
bool cgraph_remove_unreachable_nodes (bool, FILE *);
int cgraph_postorder (struct cgraph_node **);
+cgraph_node_set cgraph_node_set_new (void);
+cgraph_node_set_iterator cgraph_node_set_find (cgraph_node_set,
+ struct cgraph_node *);
+void cgraph_node_set_add (cgraph_node_set, struct cgraph_node *);
+void cgraph_node_set_remove (cgraph_node_set, struct cgraph_node *);
+void dump_cgraph_node_set (FILE *, cgraph_node_set);
+void debug_cgraph_node_set (cgraph_node_set);
+
+
+/* In predict.c */
+bool cgraph_maybe_hot_edge_p (struct cgraph_edge *e);
+
+/* In varpool.c */
+extern GTY(()) struct varpool_node *varpool_nodes_queue;
+extern GTY(()) struct varpool_node *varpool_nodes;
+
+struct varpool_node *varpool_node (tree);
+struct varpool_node *varpool_node_for_asm (tree asmname);
+void varpool_mark_needed_node (struct varpool_node *);
+void debug_varpool (void);
+void dump_varpool (FILE *);
+void dump_varpool_node (FILE *, struct varpool_node *);
+
+void varpool_finalize_decl (tree);
+bool decide_is_variable_needed (struct varpool_node *, tree);
+enum availability cgraph_variable_initializer_availability (struct varpool_node *);
+void cgraph_make_node_local (struct cgraph_node *);
+bool cgraph_node_can_be_local_p (struct cgraph_node *);
+
+bool varpool_assemble_pending_decls (void);
+bool varpool_assemble_decl (struct varpool_node *node);
+bool varpool_analyze_pending_decls (void);
+void varpool_remove_unreferenced_decls (void);
+void varpool_empty_needed_queue (void);
+const char * varpool_node_name (struct varpool_node *node);
+
+/* Walk all reachable static variables. */
+#define FOR_EACH_STATIC_VARIABLE(node) \
+ for ((node) = varpool_nodes_queue; (node); (node) = (node)->next_needed)
+
+/* Return first reachable static variable with initializer. */
+static inline struct varpool_node *
+varpool_first_static_initializer (void)
+{
+ struct varpool_node *node;
+ for (node = varpool_nodes_queue; node; node = node->next_needed)
+ {
+ gcc_assert (TREE_CODE (node->decl) == VAR_DECL);
+ if (DECL_INITIAL (node->decl))
+ return node;
+ }
+ return NULL;
+}
+
+/* Return next reachable static variable with initializer after NODE. */
+static inline struct varpool_node *
+varpool_next_static_initializer (struct varpool_node *node)
+{
+ for (node = node->next_needed; node; node = node->next_needed)
+ {
+ gcc_assert (TREE_CODE (node->decl) == VAR_DECL);
+ if (DECL_INITIAL (node->decl))
+ return node;
+ }
+ return NULL;
+}
+
+/* Walk all static variables with initializer set. */
+#define FOR_EACH_STATIC_INITIALIZER(node) \
+ for ((node) = varpool_first_static_initializer (); (node); \
+ (node) = varpool_next_static_initializer (node))
/* In ipa-inline.c */
-bool cgraph_decide_inlining_incrementally (struct cgraph_node *, bool);
void cgraph_clone_inlined_nodes (struct cgraph_edge *, bool, bool);
-void cgraph_mark_inline_edge (struct cgraph_edge *, bool);
-bool cgraph_default_inline_p (struct cgraph_node *, const char **);
+unsigned int compute_inline_parameters (struct cgraph_node *);
+
+
+/* Create a new static variable of type TYPE. */
+tree add_new_static_var (tree type);
+
+/* lto-cgraph.c */
+
+enum LTO_cgraph_tags
+{
+ /* Must leave 0 for the stopper. */
+ LTO_cgraph_avail_node = 1,
+ LTO_cgraph_overwritable_node,
+ LTO_cgraph_unavail_node,
+ LTO_cgraph_edge,
+ LTO_cgraph_last_tag
+};
+
+extern const char * LTO_cgraph_tag_names[LTO_cgraph_last_tag];
+
+#define LCC_NOT_FOUND (-1)
+
+
+/* Return true if iterator CSI points to nothing. */
+static inline bool
+csi_end_p (cgraph_node_set_iterator csi)
+{
+ return csi.index >= VEC_length (cgraph_node_ptr, csi.set->nodes);
+}
+
+/* Advance iterator CSI. */
+static inline void
+csi_next (cgraph_node_set_iterator *csi)
+{
+ csi->index++;
+}
+
+/* Return the node pointed to by CSI. */
+static inline struct cgraph_node *
+csi_node (cgraph_node_set_iterator csi)
+{
+ return VEC_index (cgraph_node_ptr, csi.set->nodes, csi.index);
+}
+
+/* Return an iterator to the first node in SET. */
+static inline cgraph_node_set_iterator
+csi_start (cgraph_node_set set)
+{
+ cgraph_node_set_iterator csi;
+
+ csi.set = set;
+ csi.index = 0;
+ return csi;
+}
+
+/* Return true if SET contains NODE. */
+static inline bool
+cgraph_node_in_set_p (struct cgraph_node *node, cgraph_node_set set)
+{
+ cgraph_node_set_iterator csi;
+ csi = cgraph_node_set_find (set, node);
+ return !csi_end_p (csi);
+}
+
+/* Return number of nodes in SET. */
+static inline size_t
+cgraph_node_set_size (cgraph_node_set set)
+{
+ return htab_elements (set->hashtab);
+}
+
+/* Uniquize all constants that appear in memory.
+ Each constant in memory thus far output is recorded
+ in `const_desc_table'. */
+
+struct GTY(()) constant_descriptor_tree {
+ /* A MEM for the constant. */
+ rtx rtl;
+
+ /* The value of the constant. */
+ tree value;
+
+ /* Hash of value. Computing the hash from value each time
+ hashfn is called can't work properly, as that means recursive
+ use of the hash table during hash table expansion. */
+ hashval_t hash;
+};
+
+/* Return true when function NODE is only called directly.
+ i.e. it is not externally visible, address was not taken and
+ it is not used in any other non-standard way. */
+
+static inline bool
+cgraph_only_called_directly_p (struct cgraph_node *node)
+{
+ return !node->needed && !node->local.externally_visible;
+}
+
+/* Return true when function NODE can be removed from callgraph
+ if all direct calls are eliminated. */
+
+static inline bool
+cgraph_can_remove_if_no_direct_calls_p (struct cgraph_node *node)
+{
+ return (!node->needed
+ && (DECL_COMDAT (node->decl) || !node->local.externally_visible));
+}
+
+/* Constant pool accessor function. */
+htab_t constant_pool_htab (void);
+
#endif /* GCC_CGRAPH_H */
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