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.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124439 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 9 deletions

diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c
index 1fa3aa76498..9e2eae75d49 100644
--- a/gcc/cfghooks.c
+++ b/gcc/cfghooks.c
@@ -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);