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basic-block.h (cdi_direction): Assign values to all enumeration constants.

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2007-05-04  Josh Conner  <jconner@apple.com>

	* basic-block.h (cdi_direction): Assign values to all enumeration
	constants.
	(dom_computed): Remove.
	(dom_info_state): New.
	(set_dom_info_availability): New.
	* tree-ssa-loop-im.c (determine_invariantness): Initialize
	walk_data.dom_direction.
	* cfghooks.c (delete_basic_block): Use dom_info_available_p()
	instead of dom_computed[].
	(split_edge): Likewise.
	(create_basic_block): Likewise.
	(merge_blocks): Likewise.
	* ifcvt.c (find_if_header): Likewise.
	* tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
	* tree-ssa-dce.c (remove_dead_stmt): Likewise.
	* tree-ssa.c (verify_ssa): Likewise.
	* tree-cfg.c (tree_verify_flow_info): Likewise.
	(remove_edge_and_dominated_blocks): Likewise.
	* dominance.c (dom_computed): Make static.
	(calc_dfs_tree_nonrec): Change third param to a bool.
	(calc_dfs_tree): Change second param to a bool.
	(calc_idioms): Change second param to a bool.  Use
	dom_convert_dir_to_idx.
	(init_dom_info): Validate dir before using.
	(dom_convert_dir_to_idx): New.
	(calculate_dominance_info): Use dom_convert_dir_to_idx.  New
	variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
	(free_dominance_info): Use dom_convert_dir_to_idx.
	(get_immediate_dominator): Likewise.
	(set_immediate_dominator): Likewise.
	(get_dominated_by): Likewise.
	(redirect_immediate_dominators): Likewise.
	(nearest_common_denominator): Likewise.
	(dominated_by_p): Likewise.
	(bb_dom_dfs_in): Likewise.
	(bb_dom_dfs_out): Likewise.
	(recount_dominator): Likewise.
	(iterate_fix_dominators): Likewise.
	(add_to_dominance_info): Likewise.
	(delete_from_dominance_info): Likewise.
	(first_dom_son): Likewise.
	(next_dom_son): Likewise.
	(dom_info_available_p): Likewise.
	(dom_info_state): New.
	(set_dom_info_availability): New.

From-SVN: r124439
This commit is contained in:
Josh Conner 2007-05-04 18:08:06 +00:00 • committed by Josh Conner
parent acb8a4ef2d
commit 2b28c07aa7
10 changed files with 206 additions and 89 deletions
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48
gcc/ChangeLog
View file

@ -1,3 +1,51 @@
2007-05-04 Josh Conner <jconner@apple.com>
* basic-block.h (cdi_direction): Assign values to all enumeration
constants.
(dom_computed): Remove.
(dom_info_state): New.
(set_dom_info_availability): New.
* tree-ssa-loop-im.c (determine_invariantness): Initialize
walk_data.dom_direction.
* cfghooks.c (delete_basic_block): Use dom_info_available_p()
instead of dom_computed[].
(split_edge): Likewise.
(create_basic_block): Likewise.
(merge_blocks): Likewise.
* ifcvt.c (find_if_header): Likewise.
* tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
* tree-ssa-dce.c (remove_dead_stmt): Likewise.
* tree-ssa.c (verify_ssa): Likewise.
* tree-cfg.c (tree_verify_flow_info): Likewise.
(remove_edge_and_dominated_blocks): Likewise.
* dominance.c (dom_computed): Make static.
(calc_dfs_tree_nonrec): Change third param to a bool.
(calc_dfs_tree): Change second param to a bool.
(calc_idioms): Change second param to a bool. Use
dom_convert_dir_to_idx.
(init_dom_info): Validate dir before using.
(dom_convert_dir_to_idx): New.
(calculate_dominance_info): Use dom_convert_dir_to_idx. New
variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
(free_dominance_info): Use dom_convert_dir_to_idx.
(get_immediate_dominator): Likewise.
(set_immediate_dominator): Likewise.
(get_dominated_by): Likewise.
(redirect_immediate_dominators): Likewise.
(nearest_common_denominator): Likewise.
(dominated_by_p): Likewise.
(bb_dom_dfs_in): Likewise.
(bb_dom_dfs_out): Likewise.
(recount_dominator): Likewise.
(iterate_fix_dominators): Likewise.
(add_to_dominance_info): Likewise.
(delete_from_dominance_info): Likewise.
(first_dom_son): Likewise.
(next_dom_son): Likewise.
(dom_info_available_p): Likewise.
(dom_info_state): New.
(set_dom_info_availability): New.
2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):

8
gcc/basic-block.h
View file

@ -936,8 +936,8 @@ extern void reorder_basic_blocks (void);
enum cdi_direction
{
CDI_DOMINATORS,
CDI_POST_DOMINATORS
CDI_DOMINATORS = 1,
CDI_POST_DOMINATORS = 2
};
enum dom_state
@ -947,8 +947,8 @@ enum dom_state
DOM_OK /* Everything is ok. */
};
extern enum dom_state dom_computed[2];
extern enum dom_state dom_info_state (enum cdi_direction);
extern void set_dom_info_availability (enum cdi_direction, enum dom_state);
extern bool dom_info_available_p (enum cdi_direction);
extern void calculate_dominance_info (enum cdi_direction);
extern void free_dominance_info (enum cdi_direction);

18
gcc/cfghooks.c
View file

@ -486,9 +486,9 @@ delete_basic_block (basic_block bb)
while (EDGE_COUNT (bb->succs) != 0)
remove_edge (EDGE_SUCC (bb, 0));
if (dom_computed[CDI_DOMINATORS])
if (dom_info_available_p (CDI_DOMINATORS))
delete_from_dominance_info (CDI_DOMINATORS, bb);
if (dom_computed[CDI_POST_DOMINATORS])
if (dom_info_available_p (CDI_POST_DOMINATORS))
delete_from_dominance_info (CDI_POST_DOMINATORS, bb);
/* Remove the basic block from the array. */
@ -527,10 +527,10 @@ split_edge (edge e)
single_succ_edge (ret)->flags |= EDGE_IRREDUCIBLE_LOOP;
}
if (dom_computed[CDI_DOMINATORS])
if (dom_info_available_p (CDI_DOMINATORS))
set_immediate_dominator (CDI_DOMINATORS, ret, single_pred (ret));
if (dom_computed[CDI_DOMINATORS] >= DOM_NO_FAST_QUERY)
if (dom_info_state (CDI_DOMINATORS) >= DOM_NO_FAST_QUERY)
{
/* There are two cases:
@ -586,9 +586,9 @@ create_basic_block (void *head, void *end, basic_block after)
ret = cfg_hooks->create_basic_block (head, end, after);
if (dom_computed[CDI_DOMINATORS])
if (dom_info_available_p (CDI_DOMINATORS))
add_to_dominance_info (CDI_DOMINATORS, ret);
if (dom_computed[CDI_POST_DOMINATORS])
if (dom_info_available_p (CDI_POST_DOMINATORS))
add_to_dominance_info (CDI_POST_DOMINATORS, ret);
return ret;
@ -676,12 +676,12 @@ merge_blocks (basic_block a, basic_block b)
/* B hasn't quite yet ceased to exist. Attempt to prevent mishap. */
b->preds = b->succs = NULL;
if (dom_computed[CDI_DOMINATORS])
if (dom_info_available_p (CDI_DOMINATORS))
redirect_immediate_dominators (CDI_DOMINATORS, b, a);
if (dom_computed[CDI_DOMINATORS])
if (dom_info_available_p (CDI_DOMINATORS))
delete_from_dominance_info (CDI_DOMINATORS, b);
if (dom_computed[CDI_POST_DOMINATORS])
if (dom_info_available_p (CDI_POST_DOMINATORS))
delete_from_dominance_info (CDI_POST_DOMINATORS, b);
expunge_block (b);

203
gcc/dominance.c
View file

@ -46,7 +46,7 @@
#include "timevar.h"
/* Whether the dominators and the postdominators are available. */
enum dom_state dom_computed[2];
static enum dom_state dom_computed[2];
/* We name our nodes with integers, beginning with 1. Zero is reserved for
'undefined' or 'end of list'. The name of each node is given by the dfs
@ -114,13 +114,12 @@ struct dom_info
static void init_dom_info (struct dom_info *, enum cdi_direction);
static void free_dom_info (struct dom_info *);
static void calc_dfs_tree_nonrec (struct dom_info *, basic_block,
enum cdi_direction);
static void calc_dfs_tree (struct dom_info *, enum cdi_direction);
static void calc_dfs_tree_nonrec (struct dom_info *, basic_block, bool);
static void calc_dfs_tree (struct dom_info *, bool);
static void compress (struct dom_info *, TBB);
static TBB eval (struct dom_info *, TBB);
static void link_roots (struct dom_info *, TBB, TBB);
static void calc_idoms (struct dom_info *, enum cdi_direction);
static void calc_idoms (struct dom_info *, bool);
void debug_dominance_info (enum cdi_direction);
/* Keeps track of the*/
@ -168,11 +167,34 @@ init_dom_info (struct dom_info *di, enum cdi_direction dir)
di->dfsnum = 1;
di->nodes = 0;
di->fake_exit_edge = dir ? BITMAP_ALLOC (NULL) : NULL;
switch (dir)
{
case CDI_DOMINATORS:
di->fake_exit_edge = NULL;
break;
case CDI_POST_DOMINATORS:
di->fake_exit_edge = BITMAP_ALLOC (NULL);
break;
default:
gcc_unreachable ();
break;
}
}
#undef init_ar
/* Map dominance calculation type to array index used for various
dominance information arrays. This version is simple -- it will need
to be modified, obviously, if additional values are added to
cdi_direction. */
static unsigned int
dom_convert_dir_to_idx (enum cdi_direction dir)
{
gcc_assert (dir == CDI_DOMINATORS || dir == CDI_POST_DOMINATORS);
return dir - 1;
}
/* Free all allocated memory in DI, but not DI itself. */
static void
@ -199,8 +221,7 @@ free_dom_info (struct dom_info *di)
assigned their dfs number and are linked together to form a tree. */
static void
calc_dfs_tree_nonrec (struct dom_info *di, basic_block bb,
enum cdi_direction reverse)
calc_dfs_tree_nonrec (struct dom_info *di, basic_block bb, bool reverse)
{
/* We call this _only_ if bb is not already visited. */
edge e;
@ -311,7 +332,7 @@ calc_dfs_tree_nonrec (struct dom_info *di, basic_block bb,
because there may be nodes from which the EXIT_BLOCK is unreachable. */
static void
calc_dfs_tree (struct dom_info *di, enum cdi_direction reverse)
calc_dfs_tree (struct dom_info *di, bool reverse)
{
/* The first block is the ENTRY_BLOCK (or EXIT_BLOCK if REVERSE). */
basic_block begin = reverse ? EXIT_BLOCK_PTR : ENTRY_BLOCK_PTR;
@ -471,7 +492,7 @@ link_roots (struct dom_info *di, TBB v, TBB w)
On return the immediate dominator to node V is in di->dom[V]. */
static void
calc_idoms (struct dom_info *di, enum cdi_direction reverse)
calc_idoms (struct dom_info *di, bool reverse)
{
TBB v, w, k, par;
basic_block en_block;
@ -590,19 +611,20 @@ compute_dom_fast_query (enum cdi_direction dir)
{
int num = 0;
basic_block bb;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
gcc_assert (dom_info_available_p (dir));
if (dom_computed[dir] == DOM_OK)
if (dom_computed[dir_index] == DOM_OK)
return;
FOR_ALL_BB (bb)
{
if (!bb->dom[dir]->father)
assign_dfs_numbers (bb->dom[dir], &num);
if (!bb->dom[dir_index]->father)
assign_dfs_numbers (bb->dom[dir_index], &num);
}
dom_computed[dir] = DOM_OK;
dom_computed[dir_index] = DOM_OK;
}
/* The main entry point into this module. DIR is set depending on whether
@ -613,35 +635,37 @@ calculate_dominance_info (enum cdi_direction dir)
{
struct dom_info di;
basic_block b;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
bool reverse = (dir == CDI_POST_DOMINATORS) ? true : false;
if (dom_computed[dir] == DOM_OK)
if (dom_computed[dir_index] == DOM_OK)
return;
timevar_push (TV_DOMINANCE);
if (!dom_info_available_p (dir))
{
gcc_assert (!n_bbs_in_dom_tree[dir]);
gcc_assert (!n_bbs_in_dom_tree[dir_index]);
FOR_ALL_BB (b)
{
b->dom[dir] = et_new_tree (b);
b->dom[dir_index] = et_new_tree (b);
}
n_bbs_in_dom_tree[dir] = n_basic_blocks;
n_bbs_in_dom_tree[dir_index] = n_basic_blocks;
init_dom_info (&di, dir);
calc_dfs_tree (&di, dir);
calc_idoms (&di, dir);
calc_dfs_tree (&di, reverse);
calc_idoms (&di, reverse);
FOR_EACH_BB (b)
{
TBB d = di.dom[di.dfs_order[b->index]];
if (di.dfs_to_bb[d])
et_set_father (b->dom[dir], di.dfs_to_bb[d]->dom[dir]);
et_set_father (b->dom[dir_index], di.dfs_to_bb[d]->dom[dir_index]);
}
free_dom_info (&di);
dom_computed[dir] = DOM_NO_FAST_QUERY;
dom_computed[dir_index] = DOM_NO_FAST_QUERY;
}
compute_dom_fast_query (dir);
@ -654,29 +678,31 @@ void
free_dominance_info (enum cdi_direction dir)
{
basic_block bb;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
if (!dom_info_available_p (dir))
return;
FOR_ALL_BB (bb)
{
et_free_tree_force (bb->dom[dir]);
bb->dom[dir] = NULL;
et_free_tree_force (bb->dom[dir_index]);
bb->dom[dir_index] = NULL;
}
et_free_pools ();
n_bbs_in_dom_tree[dir] = 0;
n_bbs_in_dom_tree[dir_index] = 0;
dom_computed[dir] = DOM_NONE;
dom_computed[dir_index] = DOM_NONE;
}
/* Return the immediate dominator of basic block BB. */
basic_block
get_immediate_dominator (enum cdi_direction dir, basic_block bb)
{
struct et_node *node = bb->dom[dir];
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *node = bb->dom[dir_index];
gcc_assert (dom_computed[dir]);
gcc_assert (dom_computed[dir_index]);
if (!node->father)
return NULL;
@ -690,9 +716,10 @@ inline void
set_immediate_dominator (enum cdi_direction dir, basic_block bb,
basic_block dominated_by)
{
struct et_node *node = bb->dom[dir];
gcc_assert (dom_computed[dir]);
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *node = bb->dom[dir_index];
gcc_assert (dom_computed[dir_index]);
if (node->father)
{
@ -702,10 +729,10 @@ set_immediate_dominator (enum cdi_direction dir, basic_block bb,
}
if (dominated_by)
et_set_father (node, dominated_by->dom[dir]);
et_set_father (node, dominated_by->dom[dir_index]);
if (dom_computed[dir] == DOM_OK)
dom_computed[dir] = DOM_NO_FAST_QUERY;
if (dom_computed[dir_index] == DOM_OK)
dom_computed[dir_index] = DOM_NO_FAST_QUERY;
}
/* Store all basic blocks immediately dominated by BB into BBS and return
@ -713,10 +740,11 @@ set_immediate_dominator (enum cdi_direction dir, basic_block bb,
int
get_dominated_by (enum cdi_direction dir, basic_block bb, basic_block **bbs)
{
unsigned int dir_index = dom_convert_dir_to_idx (dir);
int n;
struct et_node *node = bb->dom[dir], *son = node->son, *ason;
gcc_assert (dom_computed[dir]);
struct et_node *node = bb->dom[dir_index], *son = node->son, *ason;
gcc_assert (dom_computed[dir_index]);
if (!son)
{
@ -766,9 +794,13 @@ void
redirect_immediate_dominators (enum cdi_direction dir, basic_block bb,
basic_block to)
{
struct et_node *bb_node = bb->dom[dir], *to_node = to->dom[dir], *son;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *bb_node, *to_node, *son;
bb_node = bb->dom[dir_index];
to_node = to->dom[dir_index];
gcc_assert (dom_computed[dir]);
gcc_assert (dom_computed[dir_index]);
if (!bb_node->son)
return;
@ -781,22 +813,24 @@ redirect_immediate_dominators (enum cdi_direction dir, basic_block bb,
et_set_father (son, to_node);
}
if (dom_computed[dir] == DOM_OK)
dom_computed[dir] = DOM_NO_FAST_QUERY;
if (dom_computed[dir_index] == DOM_OK)
dom_computed[dir_index] = DOM_NO_FAST_QUERY;
}
/* Find first basic block in the tree dominating both BB1 and BB2. */
basic_block
nearest_common_dominator (enum cdi_direction dir, basic_block bb1, basic_block bb2)
{
gcc_assert (dom_computed[dir]);
unsigned int dir_index = dom_convert_dir_to_idx (dir);
gcc_assert (dom_computed[dir_index]);
if (!bb1)
return bb2;
if (!bb2)
return bb1;
return et_nca (bb1->dom[dir], bb2->dom[dir])->data;
return et_nca (bb1->dom[dir_index], bb2->dom[dir_index])->data;
}
@ -898,11 +932,12 @@ nearest_common_dominator_for_set (enum cdi_direction dir, bitmap blocks)
bool
dominated_by_p (enum cdi_direction dir, basic_block bb1, basic_block bb2)
{
struct et_node *n1 = bb1->dom[dir], *n2 = bb2->dom[dir];
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *n1 = bb1->dom[dir_index], *n2 = bb2->dom[dir_index];
gcc_assert (dom_computed[dir_index]);
gcc_assert (dom_computed[dir]);
if (dom_computed[dir] == DOM_OK)
if (dom_computed[dir_index] == DOM_OK)
return (n1->dfs_num_in >= n2->dfs_num_in
&& n1->dfs_num_out <= n2->dfs_num_out);
@ -914,9 +949,10 @@ dominated_by_p (enum cdi_direction dir, basic_block bb1, basic_block bb2)
unsigned
bb_dom_dfs_in (enum cdi_direction dir, basic_block bb)
{
struct et_node *n = bb->dom[dir];
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *n = bb->dom[dir_index];
gcc_assert (dom_computed[dir] == DOM_OK);
gcc_assert (dom_computed[dir_index] == DOM_OK);
return n->dfs_num_in;
}
@ -925,9 +961,10 @@ bb_dom_dfs_in (enum cdi_direction dir, basic_block bb)
unsigned
bb_dom_dfs_out (enum cdi_direction dir, basic_block bb)
{
struct et_node *n = bb->dom[dir];
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *n = bb->dom[dir_index];
gcc_assert (dom_computed[dir] == DOM_OK);
gcc_assert (dom_computed[dir_index] == DOM_OK);
return n->dfs_num_out;
}
@ -981,11 +1018,12 @@ verify_dominators (enum cdi_direction dir)
basic_block
recount_dominator (enum cdi_direction dir, basic_block bb)
{
unsigned int dir_index = dom_convert_dir_to_idx (dir);
basic_block dom_bb = NULL;
edge e;
edge_iterator ei;
gcc_assert (dom_computed[dir]);
gcc_assert (dom_computed[dir_index]);
if (dir == CDI_DOMINATORS)
{
@ -1017,10 +1055,11 @@ recount_dominator (enum cdi_direction dir, basic_block bb)
void
iterate_fix_dominators (enum cdi_direction dir, basic_block *bbs, int n)
{
unsigned int dir_index = dom_convert_dir_to_idx (dir);
int i, changed = 1;
basic_block old_dom, new_dom;
gcc_assert (dom_computed[dir]);
gcc_assert (dom_computed[dir_index]);
for (i = 0; i < n; i++)
set_immediate_dominator (dir, bbs[i], NULL);
@ -1047,28 +1086,32 @@ iterate_fix_dominators (enum cdi_direction dir, basic_block *bbs, int n)
void
add_to_dominance_info (enum cdi_direction dir, basic_block bb)
{
gcc_assert (dom_computed[dir]);
gcc_assert (!bb->dom[dir]);
unsigned int dir_index = dom_convert_dir_to_idx (dir);
n_bbs_in_dom_tree[dir]++;
gcc_assert (dom_computed[dir_index]);
gcc_assert (!bb->dom[dir_index]);
n_bbs_in_dom_tree[dir_index]++;
bb->dom[dir] = et_new_tree (bb);
bb->dom[dir_index] = et_new_tree (bb);
if (dom_computed[dir] == DOM_OK)
dom_computed[dir] = DOM_NO_FAST_QUERY;
if (dom_computed[dir_index] == DOM_OK)
dom_computed[dir_index] = DOM_NO_FAST_QUERY;
}
void
delete_from_dominance_info (enum cdi_direction dir, basic_block bb)
{
gcc_assert (dom_computed[dir]);
unsigned int dir_index = dom_convert_dir_to_idx (dir);
et_free_tree (bb->dom[dir]);
bb->dom[dir] = NULL;
n_bbs_in_dom_tree[dir]--;
gcc_assert (dom_computed[dir_index]);
if (dom_computed[dir] == DOM_OK)
dom_computed[dir] = DOM_NO_FAST_QUERY;
et_free_tree (bb->dom[dir_index]);
bb->dom[dir_index] = NULL;
n_bbs_in_dom_tree[dir_index]--;
if (dom_computed[dir_index] == DOM_OK)
dom_computed[dir_index] = DOM_NO_FAST_QUERY;
}
/* Returns the first son of BB in the dominator or postdominator tree
@ -1077,7 +1120,8 @@ delete_from_dominance_info (enum cdi_direction dir, basic_block bb)
basic_block
first_dom_son (enum cdi_direction dir, basic_block bb)
{
struct et_node *son = bb->dom[dir]->son;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *son = bb->dom[dir_index]->son;
return son ? son->data : NULL;
}
@ -1088,17 +1132,40 @@ first_dom_son (enum cdi_direction dir, basic_block bb)
basic_block
next_dom_son (enum cdi_direction dir, basic_block bb)
{
struct et_node *next = bb->dom[dir]->right;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
struct et_node *next = bb->dom[dir_index]->right;
return next->father->son == next ? NULL : next->data;
}
/* Return dominance availability for dominance info DIR. */
enum dom_state
dom_info_state (enum cdi_direction dir)
{
unsigned int dir_index = dom_convert_dir_to_idx (dir);
return dom_computed[dir_index];
}
/* Set the dominance availability for dominance info DIR to NEW_STATE. */
void
set_dom_info_availability (enum cdi_direction dir, enum dom_state new_state)
{
unsigned int dir_index = dom_convert_dir_to_idx (dir);
dom_computed[dir_index] = new_state;
}
/* Returns true if dominance information for direction DIR is available. */
bool
dom_info_available_p (enum cdi_direction dir)
{
return dom_computed[dir] != DOM_NONE;
unsigned int dir_index = dom_convert_dir_to_idx (dir);
return dom_computed[dir_index] != DOM_NONE;
}
void

2
gcc/ifcvt.c
View file

@ -2932,7 +2932,7 @@ find_if_header (basic_block test_bb, int pass)
&& find_cond_trap (test_bb, then_edge, else_edge))
goto success;
if (dom_computed[CDI_POST_DOMINATORS] >= DOM_NO_FAST_QUERY
if (dom_info_state (CDI_POST_DOMINATORS) >= DOM_NO_FAST_QUERY
&& (! HAVE_conditional_execution || reload_completed))
{
if (find_if_case_1 (test_bb, then_edge, else_edge))

4
gcc/tree-cfg.c
View file

@ -3865,7 +3865,7 @@ tree_verify_flow_info (void)
}
}
if (dom_computed[CDI_DOMINATORS] >= DOM_NO_FAST_QUERY)
if (dom_info_state (CDI_DOMINATORS) >= DOM_NO_FAST_QUERY)
verify_dominators (CDI_DOMINATORS);
return err;
@ -5375,7 +5375,7 @@ remove_edge_and_dominated_blocks (edge e)
basic_block bb, dbb;
bitmap_iterator bi;
if (!dom_computed[CDI_DOMINATORS])
if (!dom_info_available_p (CDI_DOMINATORS))
{
remove_edge (e);
return;

4
gcc/tree-cfgcleanup.c
View file

@ -609,7 +609,7 @@ cleanup_tree_cfg (void)
If dominance information is available, there cannot be any unreachable
blocks. */
if (!dom_computed[CDI_DOMINATORS])
if (!dom_info_available_p (CDI_DOMINATORS))
{
changed = delete_unreachable_blocks ();
calculate_dominance_info (CDI_DOMINATORS);
@ -624,7 +624,7 @@ cleanup_tree_cfg (void)
changed |= cleanup_tree_cfg_1 ();
gcc_assert (dom_computed[CDI_DOMINATORS]);
gcc_assert (dom_info_available_p (CDI_DOMINATORS));
compact_blocks ();
#ifdef ENABLE_CHECKING

2
gcc/tree-ssa-dce.c
View file

@ -591,7 +591,7 @@ remove_dead_stmt (block_stmt_iterator *i, basic_block bb)
basic_block post_dom_bb;
/* The post dominance info has to be up-to-date. */
gcc_assert (dom_computed[CDI_POST_DOMINATORS] == DOM_OK);
gcc_assert (dom_info_state (CDI_POST_DOMINATORS) == DOM_OK);
/* Get the immediate post dominator of bb. */
post_dom_bb = get_immediate_dominator (CDI_POST_DOMINATORS, bb);

2
gcc/tree-ssa-loop-im.c
View file

@ -794,6 +794,7 @@ determine_invariantness (void)
struct dom_walk_data walk_data;
memset (&walk_data, 0, sizeof (struct dom_walk_data));
walk_data.dom_direction = CDI_DOMINATORS;
walk_data.before_dom_children_before_stmts = determine_invariantness_stmt;
init_walk_dominator_tree (&walk_data);
@ -864,6 +865,7 @@ move_computations (void)
struct dom_walk_data walk_data;
memset (&walk_data, 0, sizeof (struct dom_walk_data));
walk_data.dom_direction = CDI_DOMINATORS;
walk_data.before_dom_children_before_stmts = move_computations_stmt;
init_walk_dominator_tree (&walk_data);

4
gcc/tree-ssa.c
View file

@ -606,7 +606,7 @@ verify_ssa (bool check_modified_stmt)
basic_block *definition_block = XCNEWVEC (basic_block, num_ssa_names);
ssa_op_iter iter;
tree op;
enum dom_state orig_dom_state = dom_computed[CDI_DOMINATORS];
enum dom_state orig_dom_state = dom_info_state (CDI_DOMINATORS);
bitmap names_defined_in_bb = BITMAP_ALLOC (NULL);
gcc_assert (!need_ssa_update_p ());
@ -747,7 +747,7 @@ verify_ssa (bool check_modified_stmt)
if (orig_dom_state == DOM_NONE)
free_dominance_info (CDI_DOMINATORS);
else
dom_computed[CDI_DOMINATORS] = orig_dom_state;
set_dom_info_availability (CDI_DOMINATORS, orig_dom_state);
BITMAP_FREE (names_defined_in_bb);
timevar_pop (TV_TREE_SSA_VERIFY);