#ifndef GCC_CGRAPH_H
#define GCC_CGRAPH_H
-#include "hashtab.h"
-#include "bitmap.h"
#include "tree.h"
/* Information about the function collected locally.
int self_insns;
/* Set when function function is visible in current compilation unit only
- and it's address is never taken. */
+ and its address is never taken. */
bool local;
- /* Set when function is defined in another compilation unit. */
- bool external;
-
- /* Set when this function calls a function external of the
- compilation unit. In general, such calls are modeled as reading
- and writing all variables (both bits on) but sometime there are
- attributes on the called function so we can do better. */
- bool calls_read_all;
- bool calls_write_all;
-
/* Set once it has been finalized so we consider it to be output. */
bool finalized;
/* False when there something makes inlining impossible (such as va_arg). */
bool inlinable;
- /* True when function should be inlined independently on it's size. */
+ /* True when function should be inlined independently on its size. */
bool disregard_inline_limits;
/* True when the function has been originally extern inline, but it is
bool pure_function;
};
-/* FIXME -- PROFILE-RESTRUCTURE: When the next round of the profiling
- code gets merged in, it will contain a restructing where ssa form
- is built for every function within the compilation unit before the
- rest of the compilation continues. When this reorgination is done,
- it will no longer be necessary to have the _decl_uid versions of
- local_static_vars_info and global_static_vars_info structures.
- Having both structures is now requirred because the _ann_uid values
- for static variables are reset as each function is compiled.
- Currently, the analysis is done using the _decl_uid versions and
- converted to the _var_ann versions on demand.
-
- Also, the var_anns_valid fields within these structures can also go
- away.
-*/
-
-/* The static variables defined within the compilation unit that are
- loaded or stored directly by function that owns this structure. */
-
-struct local_static_vars_info_d GTY(())
-{
- bitmap statics_read_by_decl_uid;
- bitmap statics_written_by_decl_uid;
-};
-
-struct global_static_vars_info_d GTY(())
-{
- bitmap statics_read_by_decl_uid;
- bitmap statics_written_by_decl_uid;
- bitmap statics_read_by_ann_uid;
- bitmap statics_written_by_ann_uid;
- bitmap statics_not_read_by_decl_uid;
- bitmap statics_not_written_by_decl_uid;
- bitmap statics_not_read_by_ann_uid;
- bitmap statics_not_written_by_ann_uid;
-
- /* var_anns_valid is reset at the start of compilation for each
- function because the indexing that the "_var_anns" is based
- on is invalidated between function compilations. This allows for
- lazy creation of the "_var_ann" variables. */
- bool var_anns_valid;
-};
-
-/* Statics that are read and written by some set of functions. The
- local ones are based on the loads and stores local to the function.
- The global ones are based on the local info as well as the
- transitive closure of the functions that are called. The
- structures are separated to allow the global structures to be
- shared between several functions since every function within a
- strongly connected component will have the same information. This
- sharing saves both time and space in the computation of the vectors
- as well as their translation from decl_uid form to ann_uid
- form. */
-
-typedef struct local_static_vars_info_d *local_static_vars_info_t;
-typedef struct global_static_vars_info_d *global_static_vars_info_t;
-
-struct static_vars_info_d GTY(())
-{
- local_static_vars_info_t local;
- global_static_vars_info_t global;
-};
-
-typedef struct static_vars_info_d *static_vars_info_t;
-
/* The cgraph data structure.
Each function decl has assigned cgraph_node listing callees and callers. */
struct cgraph_node *next_needed;
/* Pointer to the next clone. */
struct cgraph_node *next_clone;
- /* Pointer to next node in a recursive call graph cycle; */
- struct cgraph_node *next_cycle;
PTR GTY ((skip)) aux;
struct cgraph_local_info local;
struct cgraph_global_info global;
struct cgraph_rtl_info rtl;
- /* Pointer to the structure that contains the sets of global
- variables modified by function calls. */
- static_vars_info_t static_vars_info;
-
/* Unique id of the node. */
int uid;
/* Set when function must be output - it is externally visible
- or it's address is taken. */
+ or its address is taken. */
bool needed;
/* Set when function is reachable by call from other function
that is either reachable or needed. */
struct cgraph_varpool_node *next_needed;
/* Set when function must be output - it is externally visible
- or it's address is taken. */
+ or its address is taken. */
bool needed;
/* Set once it has been finalized so we consider it to be output. */
bool finalized;
tree);
struct cgraph_node *cgraph_node (tree decl);
struct cgraph_edge *cgraph_edge (struct cgraph_node *, tree call_expr);
-bool cgraph_calls_p (tree, tree);
struct cgraph_local_info *cgraph_local_info (tree);
struct cgraph_global_info *cgraph_global_info (tree);
struct cgraph_rtl_info *cgraph_rtl_info (tree);
void cgraph_redirect_edge_callee (struct cgraph_edge *, struct cgraph_node *);
bool cgraph_function_possibly_inlined_p (tree);
+void cgraph_unnest_node (struct cgraph_node *node);
/* In cgraphunit.c */
bool cgraph_assemble_pending_functions (void);
void cgraph_clone_inlined_nodes (struct cgraph_edge *e, bool duplicate);
void cgraph_build_static_cdtor (char which, tree body, int priority);
void cgraph_reset_static_var_maps (void);
-bitmap get_global_statics_not_read (tree fn);
-bitmap get_global_statics_not_written(tree fn);
void init_cgraph (void);
#endif /* GCC_CGRAPH_H */
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