et-forest.h File Reference

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Data Structures
struct	et_node

Functions
struct et_node *	et_new_tree (void *data)
void	et_free_tree (struct et_node *)
void	et_free_tree_force (struct et_node *)
void	et_free_pools (void)
void	et_set_father (struct et_node *, struct et_node *)
void	et_split (struct et_node *)
struct et_node *	et_nca (struct et_node *, struct et_node *)
bool	et_below (struct et_node *, struct et_node *)
struct et_node *	et_root (struct et_node *)

Function Documentation

et_below()

bool et_below	(	struct et_node *	down,
		struct et_node *	up )

Checks whether the node UP is an ancestor of the node DOWN.   

References et_splay(), ggc_alloc(), et_occ::next, NULL, et_occ::parent, et_occ::prev, r, et_node::rightmost_occ, set_next(), and set_prev().

Referenced by dominated_by_p().

et_free_pools()

void et_free_pools

(

void

)

Release the alloc pools, if they are empty.   

References et_nodes, and et_occurrences.

Referenced by free_dominance_info(), and free_dominance_info_for_region().

et_free_tree()

void et_free_tree

(

struct et_node *

t

)

Releases et tree T.   

References et_nodes, et_occurrences, et_split(), et_node::father, et_node::rightmost_occ, and et_node::son.

Referenced by delete_from_dominance_info().

et_free_tree_force()

void et_free_tree_force

(

struct et_node *

t

)

Releases et tree T without maintaining other nodes.   

References et_nodes, et_occurrences, et_node::parent_occ, and et_node::rightmost_occ.

Referenced by free_dominance_info(), and free_dominance_info_for_region().

et_nca()

struct et_node * et_nca	(	struct et_node *	n1,
		struct et_node *	n2 )

Finds the nearest common ancestor of the nodes N1 and N2.   

References et_splay(), ggc_alloc(), NULL, et_occ::parent, r, et_node::rightmost_occ, set_next(), and set_prev().

Referenced by nearest_common_dominator().

et_new_tree()

struct et_node * et_new_tree

(

void *

data

)

Create a new et tree containing DATA.   

References et_node::data, et_new_occ(), et_nodes, ggc_alloc(), and NULL.

Referenced by add_to_dominance_info(), calculate_dominance_info(), and calculate_dominance_info_for_region().

et_root()

struct et_node * et_root

(

struct et_node *

node

)

Returns the root of the tree that contains NODE.   

References et_splay(), ggc_alloc(), r, and et_node::rightmost_occ.

Referenced by root_of_dom_tree().

et_set_father()

void et_set_father	(	struct et_node *	t,
		struct et_node *	father )

Sets father of et tree T to FATHER.   

References et_occ::depth, et_new_occ(), et_recomp_min(), et_splay(), et_node::father, ggc_alloc(), et_node::left, et_occ::min, et_node::parent_occ, et_node::right, et_node::rightmost_occ, set_next(), set_prev(), and et_node::son.

Referenced by calculate_dominance_info(), calculate_dominance_info_for_region(), redirect_immediate_dominators(), and set_immediate_dominator().

et_split()

void et_split

(

struct et_node *

t

)

Splits the edge from T to its father.   

References et_occurrences, et_recomp_min(), et_splay(), et_node::father, ggc_alloc(), et_node::left, NULL, et_node::parent_occ, r, et_node::right, et_node::rightmost_occ, set_prev(), and et_node::son.

Referenced by et_free_tree(), redirect_immediate_dominators(), and set_immediate_dominator().