#include "tree.h"
#include "basic-block.h"
+enum availability
+{
+ /* Not yet set by cgraph_function_body_availability. */
+ AVAIL_UNSET,
+ /* Function body/variable initializer is unknown. */
+ AVAIL_NOT_AVAILABLE,
+ /* Function body/variable initializer is known but might be replaced
+ by a different one from other compilation unit and thus needs to
+ be dealt with a care. Like AVAIL_NOT_AVAILABLE it can have
+ arbitrary side effects on escaping variables and functions, while
+ like AVAILABLE it might access static variables. */
+ AVAIL_OVERWRITABLE,
+ /* Function body/variable initializer is known and will be used in final
+ program. */
+ AVAIL_AVAILABLE,
+ /* Function body/variable initializer is known and all it's uses are explicitly
+ visible within current unit (ie it's address is never taken and it is not
+ exported to other units).
+ Currently used only for functions. */
+ AVAIL_LOCAL
+};
+
/* Information about the function collected locally.
Available after function is analyzed. */
and its address is never taken. */
bool local;
+ /* Set when function is visible by other units. */
+ bool externally_visible;
+
/* Set once it has been finalized so we consider it to be output. */
bool finalized;
/* 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;
+
PTR GTY ((skip)) aux;
struct cgraph_local_info local;
struct cgraph_edge *next_caller;
struct cgraph_edge *prev_callee;
struct cgraph_edge *next_callee;
- tree call_expr;
+ tree call_stmt;
PTR GTY ((skip (""))) aux;
/* When NULL, inline this call. When non-NULL, points to the explanation
why function was not inlined. */
bool analyzed;
/* Set once it has been finalized so we consider it to be output. */
bool finalized;
- /* Set when function is scheduled to be assembled. */
+ /* Set when variable is scheduled to be assembled. */
bool output;
+ /* Set when function is visible by other units. */
+ bool externally_visible;
/* Set for aliases once they got through assemble_alias. */
bool alias;
};
extern GTY(()) int cgraph_n_nodes;
extern GTY(()) int cgraph_max_uid;
extern bool cgraph_global_info_ready;
+extern bool cgraph_function_flags_ready;
extern GTY(()) struct cgraph_node *cgraph_nodes_queue;
extern GTY(()) struct cgraph_varpool_node *cgraph_varpool_first_unanalyzed_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 *);
+
/* In cgraphunit.c */
bool cgraph_assemble_pending_functions (void);
bool cgraph_varpool_assemble_pending_decls (void);