osprey-gcc-4.2.0/gcc/ipa-type-escape.c File Reference

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "tree-flow.h"
#include "tree-inline.h"
#include "tree-pass.h"
#include "langhooks.h"
#include "pointer-set.h"
#include "ggc.h"
#include "ipa-utils.h"
#include "ipa-type-escape.h"
#include "c-common.h"
#include "tree-gimple.h"
#include "cgraph.h"
#include "output.h"
#include "flags.h"
#include "timevar.h"
#include "diagnostic.h"

Include dependency graph for ipa-type-escape.c:

Go to the source code of this file.

Data Types

type type_brand_s

Enumerations

enum escape_t { EXPOSED_PARAMETER, FULL_ESCAPE }

enum cast_type { CT_UP, CT_DOWN, CT_SIDEWAYS, CT_USELESS }

Functions/Subroutines

static char * get_name_of_type (tree type)

static int compare_type_brand (splay_tree_key sk1, splay_tree_key sk2)

static tree discover_unique_type (tree type)

static bool type_to_consider (tree type)

static tree get_canon_type (tree type, bool see_thru_ptrs, bool see_thru_arrays)

static int get_canon_type_uid (tree type, bool see_thru_ptrs, bool see_thru_arrays)

int ipa_type_escape_star_count_of_interesting_type (tree type)

int ipa_type_escape_star_count_of_interesting_or_array_type (tree type)

bool ipa_type_escape_type_contained_p (tree type)

bool ipa_type_escape_field_does_not_clobber_p (tree record_type, tree field_type)

static tree mark_type (tree type, enum escape_t escape_status)

static void mark_interesting_type (tree type, enum escape_t escape_status)

static bool parent_type_p (tree parent, tree child)

static int count_stars (tree *type_ptr)

static enum cast_type check_cast_type (tree to_type, tree from_type)

static void check_cast (tree to_type, tree from)

static void check_function_parameter_and_return_types (tree fn, bool escapes)

static void has_proper_scope_for_analysis (tree t)

static void check_operand (tree t)

static void check_tree (tree t)

static void mark_interesting_addressof (tree to_type, tree from_type)

static void look_for_address_of (tree t)

static void look_for_casts (tree lhs __attribute__((unused)), tree t)

static void check_rhs_var (tree t)

static void check_lhs_var (tree t)

static void get_asm_expr_operands (tree stmt)

static bool check_call (tree call_expr)

static bool okay_pointer_operation (enum tree_code code, tree op0, tree op1)

static tree scan_for_refs (tree *tp, int *walk_subtrees, void *data)

static void ipa_init (void)

static void analyze_variable (struct cgraph_varpool_node *vnode)

static void analyze_function (struct cgraph_node *fn)

static tree type_for_uid (int uid)

static bitmap subtype_map_for_uid (int uid, bool create)

static void close_type_seen (tree type)

static void close_type_exposed_parameter (tree type)

static void close_type_full_escape (tree type)

static bitmap close_addressof_down (int uid)

static unsigned int type_escape_execute (void)

static bool gate_type_escape_vars (void)

Variables

static bool initialized = false

static bitmap results_of_malloc

static bitmap been_there_done_that

static bitmap bitmap_tmp

static bitmap global_types_exposed_parameter

static bitmap global_types_full_escape

static bitmap global_types_seen

static splay_tree uid_to_canon_type

static splay_tree all_canon_types

static splay_tree type_to_canon_type

static splay_tree uid_to_addressof_down_map

static splay_tree uid_to_addressof_up_map

static splay_tree uid_to_subtype_map

static struct pointer_set_t * visited_nodes

static bitmap_obstack ipa_obstack

struct tree_opt_pass pass_ipa_type_escape

Enumeration Type Documentation

enum cast_type

Enumerator:

CT_UP
CT_DOWN
CT_SIDEWAYS
CT_USELESS

Definition at line 624 of file ipa-type-escape.c.

enum escape_t

Enumerator:

EXPOSED_PARAMETER
FULL_ESCAPE

Definition at line 90 of file ipa-type-escape.c.

Function Documentation

static void analyze_function ( struct cgraph_node * fn ) [static]

Definition at line 1361 of file ipa-type-escape.c.

References bsi_end_p(), bsi_next(), bsi_start(), bsi_stmt_ptr(), cgraph_node_name(), check_function_parameter_and_return_types(), DECL_INITIAL, DECL_STRUCT_FUNCTION, dump_file, FOR_EACH_BB_FN, fprintf(), function, get_canon_type(), scan_for_refs(), step(), TREE_CHAIN, TREE_CODE, TREE_STATIC, TREE_TYPE, TREE_VALUE, and walk_tree().

static void analyze_variable ( struct cgraph_varpool_node * vnode ) [static]

Definition at line 1340 of file ipa-type-escape.c.

References DECL_INITIAL, FULL_ESCAPE, gcc_assert, get_canon_type(), mark_interesting_type(), NULL, scan_for_refs(), TREE_CODE, TREE_TYPE, and walk_tree().

static bool check_call ( tree call_expr ) [static]

Definition at line 1016 of file ipa-type-escape.c.

References AVAIL_NOT_AVAILABLE, AVAIL_OVERWRITABLE, call_expr_flags(), callee, cgraph_function_body_availability(), cgraph_node(), check_cast(), check_rhs_var(), DECL_ARGUMENTS, ECF_MALLOC, EXPOSED_PARAMETER, flags, FULL_ESCAPE, get_callee_fndecl(), get_canon_type(), mark_interesting_type(), NULL, NULL_TREE, TREE_CHAIN, TREE_OPERAND, TREE_TYPE, TREE_VALUE, TYPE_ARG_TYPES, and void_type_node.

static void check_cast	(	tree	to_type,
		tree	from
	)			`[static]`

Definition at line 654 of file ipa-type-escape.c.

References bitmap_bit_p(), check_cast_type(), CT_DOWN, CT_SIDEWAYS, CT_UP, CT_USELESS, DECL_P, DECL_UID, FULL_ESCAPE, get_canon_type(), ipa_type_escape_star_count_of_interesting_type(), results_of_malloc, and TREE_TYPE.

Referenced by check_call(), look_for_casts(), and scan_for_refs().

static enum cast_type check_cast_type	(	tree	to_type,
		tree	from_type
	)			`[static]`

Definition at line 636 of file ipa-type-escape.c.

References count_stars(), CT_DOWN, CT_SIDEWAYS, CT_UP, CT_USELESS, and parent_type_p().

Referenced by check_cast().

static void check_function_parameter_and_return_types	(	tree	fn,
		bool	escapes
	)			`[static]`

Definition at line 705 of file ipa-type-escape.c.

References DECL_ARGUMENTS, EXPOSED_PARAMETER, get_canon_type(), mark_interesting_type(), TREE_CHAIN, TREE_TYPE, TREE_VALUE, TYPE_ARG_TYPES, and void_type_node.

Referenced by analyze_function(), and check_operand().

static void check_lhs_var ( tree t ) [static]

Definition at line 959 of file ipa-type-escape.c.

References check_tree().

static void check_operand ( tree t ) [static]

Definition at line 790 of file ipa-type-escape.c.

References check_function_parameter_and_return_types(), has_proper_scope_for_analysis(), and TREE_CODE.

static void check_rhs_var ( tree t ) [static]

Definition at line 949 of file ipa-type-escape.c.

References check_tree(), and look_for_address_of().

static void check_tree ( tree t ) [static]

Definition at line 806 of file ipa-type-escape.c.

References check_operand(), check_tree(), handled_component_p(), INDIRECT_REF_P, SSA_VAR_P, TREE_CODE, and TREE_OPERAND.

static bitmap close_addressof_down ( int uid ) [static]

Definition at line 1626 of file ipa-type-escape.c.

References been_there_done_that, BITMAP_ALLOC, bitmap_bit_p(), BITMAP_FREE, bitmap_ior_into(), bitmap_set_bit(), EXECUTE_IF_SET_IN_BITMAP, global_types_full_escape, i, if(), ipa_obstack, map, NULL, result, splay_tree_lookup(), splay_tree_remove(), and splay_tree_node_s::value.

Referenced by type_escape_execute().

static void close_type_exposed_parameter ( tree type ) [static]

Definition at line 1496 of file ipa-type-escape.c.

References been_there_done_that, bitmap_bit_p(), bitmap_set_bit(), EXPOSED_PARAMETER, field_type(), gcc_assert, get_canon_type(), ipa_type_escape_star_count_of_interesting_type(), mark_interesting_type(), POINTER_TYPE_P, TREE_CHAIN, TREE_CODE, TREE_TYPE, TYPE_FIELDS, and TYPE_UID.

Referenced by type_escape_execute().

static void close_type_full_escape ( tree type ) [static]

Definition at line 1546 of file ipa-type-escape.c.

References been_there_done_that, BINFO_BASE_ITERATE, BINFO_TYPE, bitmap_bit_p(), bitmap_set_bit(), EXECUTE_IF_SET_IN_BITMAP, field_type(), FULL_ESCAPE, get_canon_type(), i, ipa_type_escape_star_count_of_interesting_or_array_type(), splay_tree_lookup(), subtype_map_for_uid(), TREE_CHAIN, TREE_CODE, TREE_TYPE, TYPE_BINFO, TYPE_FIELDS, type_for_uid(), TYPE_UID, and splay_tree_node_s::value.

Referenced by type_escape_execute().

static void close_type_seen ( tree type ) [static]

Definition at line 1444 of file ipa-type-escape.c.

References been_there_done_that, BINFO_BASE_ITERATE, BINFO_TYPE, bitmap_bit_p(), bitmap_set_bit(), field_type(), get_canon_type(), i, ipa_type_escape_star_count_of_interesting_or_array_type(), subtype_map_for_uid(), TREE_CHAIN, TREE_CODE, TREE_TYPE, TYPE_BINFO, TYPE_FIELDS, TYPE_MAIN_VARIANT, and TYPE_UID.

Referenced by type_escape_execute().

static int compare_type_brand	(	splay_tree_key	sk1,
		splay_tree_key	sk2
	)			`[static]`

Definition at line 178 of file ipa-type-escape.c.

References type_brand_s::name, type_brand_s::seq, and strcmp().

Referenced by ipa_init().

static int count_stars ( tree * type_ptr ) [static]

Definition at line 609 of file ipa-type-escape.c.

References i, POINTER_TYPE_P, TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by check_cast_type().

static tree discover_unique_type ( tree type ) [static]

Definition at line 201 of file ipa-type-escape.c.

References bitmap_set_bit(), free(), get_name_of_type(), global_types_seen, i, if(), type_brand_s::name, result, type_brand_s::seq, splay_tree_insert(), splay_tree_lookup(), TYPE_UID, splay_tree_node_s::value, and XNEW.

Referenced by get_canon_type().

static bool gate_type_escape_vars ( void ) [static]

Definition at line 1824 of file ipa-type-escape.c.

References errorcount, and sorrycount.

static void get_asm_expr_operands ( tree stmt ) [static]

Definition at line 972 of file ipa-type-escape.c.

References alloca, ASM_INPUTS, ASM_OUTPUTS, check_lhs_var(), check_rhs_var(), i, list_length(), parse_input_constraint(), parse_output_constraint(), TREE_CHAIN, TREE_PURPOSE, TREE_STRING_POINTER, and TREE_VALUE.

static tree get_canon_type	(	tree	type,
		bool	see_thru_ptrs,
		bool	see_thru_arrays
	)			`[static]`

static int get_canon_type_uid	(	tree	type,
		bool	see_thru_ptrs,
		bool	see_thru_arrays
	)			`[static]`

Definition at line 318 of file ipa-type-escape.c.

References get_canon_type(), and TYPE_UID.

Referenced by ipa_type_escape_field_does_not_clobber_p(), and ipa_type_escape_type_contained_p().

static char* get_name_of_type ( tree type ) [static]

Definition at line 142 of file ipa-type-escape.c.

References DECL_NAME, IDENTIFIER_POINTER, TREE_CODE, and TYPE_NAME.

Referenced by discover_unique_type().

static void has_proper_scope_for_analysis ( tree t ) [inline, static]

Definition at line 745 of file ipa-type-escape.c.

References DECL_ATTRIBUTES, DECL_EXTERNAL, DECL_INITIAL, FULL_ESCAPE, get_canon_type(), is_gimple_min_invariant(), lookup_attribute(), mark_interesting_type(), TREE_PUBLIC, TREE_READONLY, TREE_STATIC, TREE_THIS_VOLATILE, and TREE_TYPE.

static void ipa_init ( void ) [static]

Definition at line 1310 of file ipa-type-escape.c.

References BITMAP_ALLOC, bitmap_obstack_initialize(), compare_type_brand(), global_types_exposed_parameter, global_types_full_escape, global_types_seen, initialized, ipa_obstack, pointer_set_create(), results_of_malloc, splay_tree_compare_ints(), splay_tree_compare_pointers(), and splay_tree_new().

bool ipa_type_escape_field_does_not_clobber_p	(	tree	record_type,
		tree	field_type
	)

Definition at line 401 of file ipa-type-escape.c.

References bitmap_bit_p(), get_canon_type(), get_canon_type_uid(), initialized, ipa_type_escape_type_contained_p(), POINTER_TYPE_P, result, splay_tree_lookup(), TREE_CODE, TREE_TYPE, TYPE_MAIN_VARIANT, TYPE_UID, and splay_tree_node_s::value.

Referenced by may_alias_p(), and nonoverlapping_memrefs_p().

int ipa_type_escape_star_count_of_interesting_or_array_type ( tree type )

Definition at line 361 of file ipa-type-escape.c.

References count, POINTER_TYPE_P, TREE_CODE, TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by close_type_full_escape(), close_type_seen(), and type_escape_execute().

int ipa_type_escape_star_count_of_interesting_type ( tree type )

Definition at line 332 of file ipa-type-escape.c.

References count, POINTER_TYPE_P, TREE_CODE, TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by check_cast(), close_type_exposed_parameter(), mark_interesting_addressof(), mark_interesting_type(), and may_alias_p().

bool ipa_type_escape_type_contained_p ( tree type )

Definition at line 389 of file ipa-type-escape.c.

References bitmap_bit_p(), get_canon_type_uid(), global_types_full_escape, and initialized.

Referenced by ipa_type_escape_field_does_not_clobber_p().

static void look_for_address_of ( tree t ) [static]

Definition at line 882 of file ipa-type-escape.c.

References DECL_FIELD_CONTEXT, get_base_var(), get_canon_type(), has_proper_scope_for_analysis(), mark_interesting_addressof(), NULL_TREE, TREE_CODE, TREE_OPERAND, TREE_TYPE, and x.

static void look_for_casts	(	tree lhs	__attribute__(unused),
		tree	t
	)			`[static]`

Definition at line 916 of file ipa-type-escape.c.

References base, check_cast(), get_base_address(), get_canon_type(), is_gimple_cast(), TREE_CODE, TREE_OPERAND, and TREE_TYPE.

Referenced by scan_for_refs().

static void mark_interesting_addressof	(	tree	to_type,
		tree	from_type
	)			`[static]`

Definition at line 830 of file ipa-type-escape.c.

References BITMAP_ALLOC, gcc_assert, get_canon_type(), ipa_obstack, ipa_type_escape_star_count_of_interesting_type(), result, splay_tree_insert(), splay_tree_lookup(), type_map, TYPE_UID, and splay_tree_node_s::value.

Referenced by look_for_address_of().

static void mark_interesting_type	(	tree	type,
		enum escape_t	escape_status
	)			`[static]`

Definition at line 503 of file ipa-type-escape.c.

References EXPOSED_PARAMETER, FULL_ESCAPE, ipa_type_escape_star_count_of_interesting_type(), and POINTER_TYPE_P.

Referenced by analyze_variable(), check_call(), check_function_parameter_and_return_types(), close_type_exposed_parameter(), has_proper_scope_for_analysis(), and scan_for_refs().

static tree mark_type	(	tree	type,
		enum escape_t	escape_status
	)			`[static]`

Definition at line 463 of file ipa-type-escape.c.

References bitmap_bit_p(), bitmap_set_bit(), EXPOSED_PARAMETER, FULL_ESCAPE, get_canon_type(), global_types_exposed_parameter, global_types_full_escape, map, NULL, and TYPE_UID.

static bool okay_pointer_operation	(	enum tree_code	code,
		tree	op0,
		tree	op1
	)			`[static]`

Definition at line 1144 of file ipa-type-escape.c.

References operand_equal_p(), POINTER_TYPE_P, size_in_bytes(), TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by scan_for_refs().

static bool parent_type_p	(	tree	parent,
		tree	child
	)			`[static]`

Definition at line 523 of file ipa-type-escape.c.

References BINFO_BASE_ITERATE, BINFO_TYPE, field_type(), i, TREE_CHAIN, TREE_CODE, TREE_TYPE, TYPE_BINFO, and TYPE_FIELDS.

Referenced by check_cast_type().

static tree scan_for_refs	(	tree *	tp,
		int *	walk_subtrees,
		void *	data
	)			`[static]`

Definition at line 1174 of file ipa-type-escape.c.

References bitmap_set_bit(), cgraph_node(), check_call(), check_cast(), check_lhs_var(), check_rhs_var(), DECL_INITIAL, DECL_UID, FULL_ESCAPE, get_asm_expr_operands(), get_canon_type(), look_for_casts(), mark_interesting_type(), NULL, okay_pointer_operation(), POINTER_TYPE_P, results_of_malloc, tcc_binary, tcc_declaration, tcc_expression, tcc_reference, tcc_unary, TREE_CODE, TREE_CODE_CLASS, TREE_OPERAND, TREE_TYPE, and walk_tree().

Referenced by analyze_function(), and analyze_variable().

static bitmap subtype_map_for_uid	(	int	uid,
		bool	create
	)			`[static]`

Definition at line 1420 of file ipa-type-escape.c.

References BITMAP_ALLOC, ipa_obstack, NULL, result, splay_tree_insert(), splay_tree_lookup(), and splay_tree_node_s::value.

Referenced by close_type_full_escape(), and close_type_seen().

static unsigned int type_escape_execute ( void ) [static]

Definition at line 1674 of file ipa-type-escape.c.

References analyze_function(), analyze_variable(), AVAIL_OVERWRITABLE, b, been_there_done_that, BITMAP_ALLOC, bitmap_bit_p(), bitmap_clear(), bitmap_clear_bit(), bitmap_copy(), BITMAP_FREE, bitmap_tmp, cgraph_function_body_availability(), cgraph_is_master_clone(), cgraph_node(), cgraph_varpool_node(), close_addressof_down(), close_type_exposed_parameter(), close_type_full_escape(), close_type_seen(), dump_file, EXECUTE_IF_SET_IN_BITMAP, fprintf(), global_types_exposed_parameter, global_types_full_escape, global_types_seen, i, int, ipa_init(), ipa_obstack, ipa_type_escape_star_count_of_interesting_or_array_type(), splay_tree_node_s::key, node, NULL, pointer_set_destroy(), POINTER_TYPE_P, print_generic_expr(), result, results_of_malloc, splay_tree_delete(), splay_tree_min(), splay_tree_remove(), splay_tree_successor(), TREE_CODE, type_for_uid(), TYPE_UID, and splay_tree_node_s::value.

static tree type_for_uid ( int uid ) [static]

Definition at line 1405 of file ipa-type-escape.c.

References NULL, result, splay_tree_lookup(), and splay_tree_node_s::value.

Referenced by close_type_full_escape(), and type_escape_execute().

static bool type_to_consider ( tree type ) [static]

Definition at line 260 of file ipa-type-escape.c.

References COMPLEX_TYPE, POINTER_TYPE_P, TREE_CODE, TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by get_canon_type().

Variable Documentation

splay_tree all_canon_types [static]

Definition at line 113 of file ipa-type-escape.c.

bitmap been_there_done_that [static]

Definition at line 71 of file ipa-type-escape.c.

Referenced by close_addressof_down(), close_type_exposed_parameter(), close_type_full_escape(), close_type_seen(), and type_escape_execute().

bitmap bitmap_tmp [static]

Definition at line 72 of file ipa-type-escape.c.

Referenced by type_escape_execute().

bitmap global_types_exposed_parameter [static]

Definition at line 101 of file ipa-type-escape.c.

Referenced by ipa_init(), mark_type(), and type_escape_execute().

bitmap global_types_full_escape [static]

Definition at line 102 of file ipa-type-escape.c.

Referenced by close_addressof_down(), ipa_init(), ipa_type_escape_type_contained_p(), mark_type(), and type_escape_execute().

bitmap global_types_seen [static]

Definition at line 105 of file ipa-type-escape.c.

Referenced by discover_unique_type(), ipa_init(), and type_escape_execute().

bool initialized = false [static]

Definition at line 61 of file ipa-type-escape.c.

bitmap_obstack ipa_obstack [static]

Definition at line 138 of file ipa-type-escape.c.

Referenced by analyze_function(), close_addressof_down(), ipa_init(), mark_interesting_addressof(), static_execute(), subtype_map_for_uid(), and type_escape_execute().

struct tree_opt_pass pass_ipa_type_escape

Initial value:

{
  "type-escape-var",      
  gate_type_escape_vars,    
  type_escape_execute,      
  NULL,         
  NULL,         
  0,          
  TV_IPA_TYPE_ESCAPE,           
  0,                                  
  0,          
  0,          
  0,          
  0,                                    
  0         
}

Definition at line 1831 of file ipa-type-escape.c.

Referenced by init_optimization_passes().

bitmap results_of_malloc [static]

Definition at line 68 of file ipa-type-escape.c.

Referenced by check_cast(), ipa_init(), scan_for_refs(), and type_escape_execute().

splay_tree type_to_canon_type [static]

Definition at line 116 of file ipa-type-escape.c.

splay_tree uid_to_addressof_down_map [static]

Definition at line 121 of file ipa-type-escape.c.

splay_tree uid_to_addressof_up_map [static]

Definition at line 126 of file ipa-type-escape.c.

splay_tree uid_to_canon_type [static]

Definition at line 109 of file ipa-type-escape.c.

splay_tree uid_to_subtype_map [static]

Definition at line 130 of file ipa-type-escape.c.

struct pointer_set_t* visited_nodes [static]

Definition at line 136 of file ipa-type-escape.c.


Data Types
type	type_brand_s
Enumerations
enum	escape_t { EXPOSED_PARAMETER, FULL_ESCAPE }
enum	cast_type { CT_UP, CT_DOWN, CT_SIDEWAYS, CT_USELESS }
Functions/Subroutines
static char *	get_name_of_type (tree type)
static int	compare_type_brand (splay_tree_key sk1, splay_tree_key sk2)
static tree	discover_unique_type (tree type)
static bool	type_to_consider (tree type)
static tree	get_canon_type (tree type, bool see_thru_ptrs, bool see_thru_arrays)
static int	get_canon_type_uid (tree type, bool see_thru_ptrs, bool see_thru_arrays)
int	ipa_type_escape_star_count_of_interesting_type (tree type)
int	ipa_type_escape_star_count_of_interesting_or_array_type (tree type)
bool	ipa_type_escape_type_contained_p (tree type)
bool	ipa_type_escape_field_does_not_clobber_p (tree record_type, tree field_type)
static tree	mark_type (tree type, enum escape_t escape_status)
static void	mark_interesting_type (tree type, enum escape_t escape_status)
static bool	parent_type_p (tree parent, tree child)
static int	count_stars (tree *type_ptr)
static enum cast_type	check_cast_type (tree to_type, tree from_type)
static void	check_cast (tree to_type, tree from)
static void	check_function_parameter_and_return_types (tree fn, bool escapes)
static void	has_proper_scope_for_analysis (tree t)
static void	check_operand (tree t)
static void	check_tree (tree t)
static void	mark_interesting_addressof (tree to_type, tree from_type)
static void	look_for_address_of (tree t)
static void	look_for_casts (tree lhs __attribute__((unused)), tree t)
static void	check_rhs_var (tree t)
static void	check_lhs_var (tree t)
static void	get_asm_expr_operands (tree stmt)
static bool	check_call (tree call_expr)
static bool	okay_pointer_operation (enum tree_code code, tree op0, tree op1)
static tree	scan_for_refs (tree tp, int walk_subtrees, void *data)
static void	ipa_init (void)
static void	analyze_variable (struct cgraph_varpool_node *vnode)
static void	analyze_function (struct cgraph_node *fn)
static tree	type_for_uid (int uid)
static bitmap	subtype_map_for_uid (int uid, bool create)
static void	close_type_seen (tree type)
static void	close_type_exposed_parameter (tree type)
static void	close_type_full_escape (tree type)
static bitmap	close_addressof_down (int uid)
static unsigned int	type_escape_execute (void)
static bool	gate_type_escape_vars (void)
Variables
static bool	initialized = false
static bitmap	results_of_malloc
static bitmap	been_there_done_that
static bitmap	bitmap_tmp
static bitmap	global_types_exposed_parameter
static bitmap	global_types_full_escape
static bitmap	global_types_seen
static splay_tree	uid_to_canon_type
static splay_tree	all_canon_types
static splay_tree	type_to_canon_type
static splay_tree	uid_to_addressof_down_map
static splay_tree	uid_to_addressof_up_map
static splay_tree	uid_to_subtype_map
static struct pointer_set_t *	visited_nodes
static bitmap_obstack	ipa_obstack
struct tree_opt_pass	pass_ipa_type_escape