tree-flow.h (uid_decl_map_hash, [...]): Move ...

2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	cp/
	* decl.c (duplicate_decls): Remove decl from global mapping
	before ggc_freeing it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

From-SVN: r132676

1 files changed, 12 insertions, 15 deletions

diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index 70a9d32..66f086c 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -3313,12 +3313,11 @@ update_alias_info (tree stmt, struct alias_info *ai)
 	 call-clobbered.  */
       if (stmt_escape_type != NO_ESCAPE)
 	{
-	  bitmap_iterator bi;
-	  unsigned i;
+	  referenced_var_iterator ri;
+	  tree rvar;
 
-	  EXECUTE_IF_SET_IN_BITMAP (addr_taken, 0, i, bi)
+	  FOR_EACH_REFERENCED_VAR_IN_BITMAP (addr_taken, rvar, ri)
 	    {
-	      tree rvar = referenced_var (i);
 	      if (!unmodifiable_var_p (rvar))
 		mark_call_clobbered (rvar, stmt_escape_type);
 	    }
@@ -3476,8 +3475,8 @@ update_alias_info (tree stmt, struct alias_info *ai)
      memory reference stats for all memory symbols referenced by STMT.  */
   if (stmt_references_memory_p (stmt))
     {
-      unsigned i;
-      bitmap_iterator bi;
+      referenced_var_iterator ri;
+      tree sym;
 
       mem_ref_stats->num_mem_stmts++;
 
@@ -3504,9 +3503,8 @@ update_alias_info (tree stmt, struct alias_info *ai)
 	 memory symbols in its argument list, but these cases do not
 	 occur so frequently as to constitute a serious problem.  */
       if (STORED_SYMS (stmt))
-	EXECUTE_IF_SET_IN_BITMAP (STORED_SYMS (stmt), 0, i, bi)
+	FOR_EACH_REFERENCED_VAR_IN_BITMAP (STORED_SYMS (stmt), sym, ri)
 	  {
-	    tree sym = referenced_var (i);
 	    pointer_set_insert (ai->written_vars, sym);
 	    if (!stmt_dereferences_ptr_p
 		&& stmt_escape_type != ESCAPE_TO_CALL
@@ -3520,8 +3518,8 @@ update_alias_info (tree stmt, struct alias_info *ai)
 	  && stmt_escape_type != ESCAPE_TO_CALL
 	  && stmt_escape_type != ESCAPE_TO_PURE_CONST
 	  && stmt_escape_type != ESCAPE_TO_ASM)
-	EXECUTE_IF_SET_IN_BITMAP (LOADED_SYMS (stmt), 0, i, bi)
-	  update_mem_sym_stats_from_stmt (referenced_var (i), stmt, 1, 0);
+	FOR_EACH_REFERENCED_VAR_IN_BITMAP (LOADED_SYMS (stmt), sym, ri)
+	  update_mem_sym_stats_from_stmt (sym, stmt, 1, 0);
     }
 }
 
@@ -4881,8 +4879,6 @@ set_used_smts (void)
 static void
 merge_smts_into (tree p, bitmap solution)
 {
-  unsigned int i;
-  bitmap_iterator bi;
   tree smt;
   bitmap aliases;
   tree var = p;
@@ -4894,18 +4890,19 @@ merge_smts_into (tree p, bitmap solution)
   if (smt)
     {
       alias_set_type smtset = get_alias_set (TREE_TYPE (smt));
+      referenced_var_iterator ri;
+      tree newsmt;
 
       /* Need to set the SMT subsets first before this
 	 will work properly.  */
       bitmap_set_bit (solution, DECL_UID (smt));
-      EXECUTE_IF_SET_IN_BITMAP (used_smts, 0, i, bi)
+      FOR_EACH_REFERENCED_VAR_IN_BITMAP (used_smts, newsmt, ri)
 	{
-	  tree newsmt = referenced_var (i);
 	  tree newsmttype = TREE_TYPE (newsmt);
 
 	  if (alias_set_subset_of (get_alias_set (newsmttype),
 				   smtset))
-	    bitmap_set_bit (solution, i);
+	    bitmap_set_bit (solution, DECL_UID (newsmt));
 	}
 
       aliases = MTAG_ALIASES (smt);