access Struct Reference

Collaboration diagram for access:

Data Fields
HOST_WIDE_INT	offset
HOST_WIDE_INT	size
tree	base
tree	expr
tree	type
gimple *	stmt
struct access *	next_grp
struct access *	group_representative
struct access *	parent
struct access *	first_child
struct access *	next_sibling
struct assign_link *	first_rhs_link
struct assign_link *	last_rhs_link
struct assign_link *	first_lhs_link
struct assign_link *	last_lhs_link
struct access *	next_rhs_queued
struct access *	next_lhs_queued
tree	replacement_decl
unsigned	reverse: 1
unsigned	write: 1
unsigned	grp_rhs_queued: 1
unsigned	grp_lhs_queued: 1
unsigned	grp_write: 1
unsigned	grp_read: 1
unsigned	grp_assignment_read: 1
unsigned	grp_assignment_write: 1
unsigned	grp_scalar_read: 1
unsigned	grp_scalar_write: 1
unsigned	grp_total_scalarization: 1
unsigned	grp_hint: 1
unsigned	grp_covered: 1
unsigned	grp_unscalarizable_region: 1
unsigned	grp_unscalarized_data: 1
unsigned	grp_same_access_path: 1
unsigned	grp_partial_lhs: 1
unsigned	grp_to_be_replaced: 1
unsigned	grp_to_be_debug_replaced: 1
unsigned	grp_no_warning: 1
unsigned	grp_result_of_prop_from_lhs: 1

Detailed Description

ACCESS represents each access to an aggregate variable (as a whole or a
part).  It can also represent a group of accesses that refer to exactly the
same fragment of an aggregate (i.e. those that have exactly the same offset
and size).  Such representatives for a single aggregate, once determined,
are linked in a linked list and have the group fields set.

Moreover, when doing intraprocedural SRA, a tree is built from those
representatives (by the means of first_child and next_sibling pointers), in
which all items in a subtree are "within" the root, i.e. their offset is
greater or equal to offset of the root and offset+size is smaller or equal
to offset+size of the root.  Children of an access are sorted by offset.

Note that accesses to parts of vector and complex number types always
represented by an access to the whole complex number or a vector.  It is a
duty of the modifying functions to replace them appropriately.   

Field Documentation

base

tree access::base

Referenced by analyze_access_subtree(), build_access_from_call_arg(), build_access_from_expr(), build_access_from_expr_1(), build_accesses_from_assign(), comes_initialized_p(), create_access(), create_access_1(), create_access_replacement(), create_artificial_child_access(), create_total_scalarization_access(), dump_access(), get_access_for_expr(), get_base_access_vector(), get_first_repr_for_decl(), get_var_base_offset_size_access(), load_assign_lhs_subreplacements(), propagate_all_subaccesses(), propagate_subaccesses_from_lhs(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), sra_modify_assign(), sra_modify_call_arg(), sra_modify_expr(), verify_all_sra_access_forests(), and verify_sra_access_forest().

expr

tree access::expr

Referenced by analyze_access_subtree(), create_access(), create_access_replacement(), create_artificial_child_access(), create_total_scalarization_access(), dump_access(), initialize_constant_pool_replacements(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), totally_scalarize_subtree(), and verify_sra_access_forest().

first_child

struct access* access::first_child

Referenced by analyze_access_subtree(), build_access_subtree(), can_totally_scalarize_forest_p(), clobber_subtree(), create_artificial_child_access(), dump_access_tree_1(), find_access_in_subtree(), generate_subtree_copies(), generate_subtree_deferred_init(), init_subtree_with_zero(), initialize_constant_pool_replacements(), load_assign_lhs_subreplacements(), propagate_subaccesses_from_lhs(), propagate_subaccesses_from_rhs(), sra_modify_assign(), sra_modify_expr(), subtree_mark_written_and_rhs_enqueue(), total_should_skip_creating_access(), totally_scalarize_subtree(), and verify_sra_access_forest().

first_lhs_link

struct assign_link* access::first_lhs_link

Referenced by add_access_to_lhs_work_queue(), add_link_to_lhs(), and propagate_all_subaccesses().

first_rhs_link

struct assign_link* access::first_rhs_link

Referenced by add_access_to_rhs_work_queue(), add_link_to_rhs(), and propagate_all_subaccesses().

group_representative

struct access* access::group_representative

Referenced by propagate_all_subaccesses(), and sort_and_splice_var_accesses().

grp_assignment_read

unsigned access::grp_assignment_read

Referenced by analyze_access_subtree(), build_accesses_from_assign(), dump_access(), and sort_and_splice_var_accesses().

grp_assignment_write

unsigned access::grp_assignment_write

Referenced by analyze_access_subtree(), build_accesses_from_assign(), dump_access(), and sort_and_splice_var_accesses().

grp_covered

unsigned access::grp_covered

Referenced by analyze_access_subtree(), dump_access(), load_assign_lhs_subreplacements(), and sra_modify_assign().

grp_hint

unsigned access::grp_hint

Referenced by analyze_access_subtree(), create_total_scalarization_access(), dump_access(), and sort_and_splice_var_accesses().

grp_lhs_queued

unsigned access::grp_lhs_queued

Referenced by add_access_to_lhs_work_queue(), and pop_access_from_lhs_work_queue().

grp_no_warning

unsigned access::grp_no_warning

Referenced by create_access_replacement(), create_artificial_child_access(), and propagate_subaccesses_from_rhs().

grp_partial_lhs

unsigned access::grp_partial_lhs

Referenced by analyze_access_subtree(), create_access_replacement(), dump_access(), generate_subtree_copies(), load_assign_lhs_subreplacements(), sort_and_splice_var_accesses(), sra_modify_assign(), and sra_modify_expr().

grp_read

unsigned access::grp_read

Referenced by analyze_access_subtree(), create_artificial_child_access(), dump_access(), load_assign_lhs_subreplacements(), sort_and_splice_var_accesses(), and sra_modify_assign().

grp_result_of_prop_from_lhs

unsigned access::grp_result_of_prop_from_lhs

Referenced by analyze_access_subtree().

grp_rhs_queued

unsigned access::grp_rhs_queued

Referenced by add_access_to_rhs_work_queue(), and pop_access_from_rhs_work_queue().

grp_same_access_path

unsigned access::grp_same_access_path

Referenced by analyze_access_subtree(), create_total_scalarization_access(), dump_access(), propagate_subaccesses_from_rhs(), and sort_and_splice_var_accesses().

grp_scalar_read

unsigned access::grp_scalar_read

Referenced by analyze_access_subtree(), dump_access(), and sort_and_splice_var_accesses().

grp_scalar_write

unsigned access::grp_scalar_write

Referenced by analyze_access_subtree(), dump_access(), and sort_and_splice_var_accesses().

grp_to_be_debug_replaced

unsigned access::grp_to_be_debug_replaced

Referenced by analyze_access_subtree(), create_access_replacement(), dump_access(), generate_subtree_copies(), get_repl_default_def_ssa_name(), init_subtree_with_zero(), load_assign_lhs_subreplacements(), sra_modify_assign(), and sra_modify_expr().

grp_to_be_replaced

unsigned access::grp_to_be_replaced

Referenced by analyze_access_subtree(), clobber_subtree(), dump_access(), generate_subtree_copies(), generate_subtree_deferred_init(), get_repl_default_def_ssa_name(), init_subtree_with_zero(), load_assign_lhs_subreplacements(), sra_modify_assign(), and sra_modify_expr().

grp_total_scalarization

unsigned access::grp_total_scalarization

Referenced by analyze_access_subtree(), analyze_access_trees(), analyze_all_variable_accesses(), create_total_scalarization_access(), dump_access(), and verify_sra_access_forest().

grp_unscalarizable_region

unsigned access::grp_unscalarizable_region

Referenced by analyze_access_subtree(), build_accesses_from_assign(), can_totally_scalarize_forest_p(), create_access(), dump_access(), propagate_subaccesses_from_lhs(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), sra_modify_assign(), totally_scalarize_subtree(), and verify_sra_access_forest().

grp_unscalarized_data

unsigned access::grp_unscalarized_data

Referenced by analyze_access_subtree(), dump_access(), and sra_modify_assign().

grp_write

unsigned access::grp_write

Referenced by analyze_access_subtree(), build_access_subtree(), create_artificial_child_access(), create_total_scalarization_access(), dump_access(), load_assign_lhs_subreplacements(), propagate_all_subaccesses(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), and subtree_mark_written_and_rhs_enqueue().

last_lhs_link

struct assign_link * access::last_lhs_link

Referenced by add_link_to_lhs().

last_rhs_link

struct assign_link * access::last_rhs_link

Referenced by add_link_to_rhs().

next_grp

struct access* access::next_grp

Referenced by analyze_access_trees(), analyze_all_variable_accesses(), build_access_subtree(), build_access_trees(), can_totally_scalarize_forest_p(), dump_access_tree(), get_var_base_offset_size_access(), initialize_constant_pool_replacements(), initialize_parameter_reductions(), sort_and_splice_var_accesses(), and verify_sra_access_forest().

next_lhs_queued

struct access * access::next_lhs_queued

Referenced by add_access_to_lhs_work_queue(), and pop_access_from_lhs_work_queue().

next_rhs_queued

struct access* access::next_rhs_queued

Referenced by add_access_to_rhs_work_queue(), and pop_access_from_rhs_work_queue().

next_sibling

struct access* access::next_sibling

Referenced by access_has_replacements_p(), analyze_access_subtree(), can_totally_scalarize_forest_p(), child_would_conflict_in_acc(), clobber_subtree(), create_artificial_child_access(), create_total_access_and_reshape(), create_total_scalarization_access(), dump_access_tree_1(), find_access_in_subtree(), generate_subtree_copies(), generate_subtree_deferred_init(), init_subtree_with_zero(), initialize_constant_pool_replacements(), load_assign_lhs_subreplacements(), subtree_mark_written_and_rhs_enqueue(), and verify_sra_access_forest().

offset

HOST_WIDE_INT access::offset

Referenced by analyze_access_subtree(), build_access_subtree(), can_totally_scalarize_forest_p(), child_would_conflict_in_acc(), create_access_1(), create_access_replacement(), create_artificial_child_access(), create_total_access_and_reshape(), create_total_scalarization_access(), dump_access(), find_access_in_subtree(), generate_subtree_copies(), get_var_base_offset_size_access(), load_assign_lhs_subreplacements(), propagate_subaccesses_from_lhs(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), sra_modify_assign(), sra_modify_expr(), totally_scalarize_subtree(), and verify_sra_access_forest().

parent

struct access* access::parent

Referenced by analyze_access_subtree(), build_access_subtree(), can_totally_scalarize_forest_p(), create_artificial_child_access(), create_total_access_and_reshape(), create_total_scalarization_access(), initialize_constant_pool_replacements(), propagate_all_subaccesses(), total_should_skip_creating_access(), and verify_sra_access_forest().

replacement_decl

tree access::replacement_decl

Referenced by analyze_access_subtree(), get_access_replacement(), get_repl_default_def_ssa_name(), initialize_constant_pool_replacements(), and sra_modify_assign().

reverse

unsigned access::reverse

Referenced by analyze_access_subtree(), create_access(), create_artificial_child_access(), create_total_scalarization_access(), dump_access(), get_access_for_expr(), propagate_subaccesses_from_rhs(), sra_modify_assign(), and verify_sra_access_forest().

size

HOST_WIDE_INT access::size

Referenced by analyze_access_subtree(), build_access_subtree(), build_accesses_from_assign(), can_totally_scalarize_forest_p(), child_would_conflict_in_acc(), create_access(), create_access_1(), create_access_replacement(), create_artificial_child_access(), create_total_access_and_reshape(), create_total_scalarization_access(), dump_access(), find_access_in_subtree(), generate_subtree_copies(), get_var_base_offset_size_access(), load_assign_lhs_subreplacements(), sort_and_splice_var_accesses(), total_should_skip_creating_access(), totally_scalarize_subtree(), and verify_sra_access_forest().

stmt

gimple* access::stmt

Referenced by abnormal_edge_after_stmt_p(), build_access_from_call_arg(), build_access_from_expr(), build_access_from_expr_1(), build_accesses_from_assign(), clobber_subtree(), create_access(), disqualify_if_bad_bb_terminating_stmt(), generate_subtree_copies(), init_subtree_with_zero(), initialize_constant_pool_replacements(), load_assign_lhs_subreplacements(), sra_modify_assign(), sra_modify_call_arg(), sra_modify_constructor_assign(), sra_modify_deferred_init(), sra_modify_expr(), and sra_modify_function_body().

type

tree access::type

Referenced by analyze_access_subtree(), analyze_all_variable_accesses(), build_accesses_from_assign(), can_totally_scalarize_forest_p(), clobber_subtree(), create_access(), create_access_replacement(), create_artificial_child_access(), create_total_scalarization_access(), dump_access(), init_subtree_with_zero(), load_assign_lhs_subreplacements(), propagate_subaccesses_from_lhs(), propagate_subaccesses_from_rhs(), sort_and_splice_var_accesses(), sra_modify_expr(), totally_scalarize_subtree(), and verify_sra_access_forest().

write

unsigned access::write

Referenced by build_access_from_call_arg(), build_access_from_expr(), build_access_from_expr_1(), build_accesses_from_assign(), create_access(), dump_access(), generate_subtree_copies(), sort_and_splice_var_accesses(), and sra_modify_expr().

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The documentation for this struct was generated from the following file:

• tree-sra.cc