tree-dfa.c (mark_new_vars_to_rename): Create stmt annotation, if necessary.

2006-01-06  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (mark_new_vars_to_rename): Create stmt
	annotation, if necessary.
	* tree-ssa-pre.c (create_expression_by_pieces): Remove
	redundant calls to update_stmt.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
	Likewise.

From-SVN: r109416

gcc/ChangeLog

+2006-01-06  Richard Guenther  <rguenther@suse.de>
+
+	* tree-dfa.c (mark_new_vars_to_rename): Create stmt
+	annotation, if necessary.
+	* tree-ssa-pre.c (create_expression_by_pieces): Remove
+	redundant calls to update_stmt.
+	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
+	Likewise.
+
 2006-01-05  Richard Henderson  <rth@redhat.com>
 
 	* c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.

gcc/tree-dfa.c

@@ -796,6 +796,7 @@ mark_new_vars_to_rename (tree stmt)
   if (TREE_CODE (stmt) == PHI_NODE)
     return;
 
+  get_stmt_ann (stmt);
   vars_in_vops_to_rename = BITMAP_ALLOC (NULL);
 
   /* Before re-scanning the statement for operands, mark the existing

gcc/tree-ssa-forwprop.c

@@ -444,8 +444,6 @@ forward_propagate_into_cond (tree cond_expr)
 static void
 tidy_after_forward_propagate_addr (tree stmt)
 {
-  mark_new_vars_to_rename (stmt);
-
   /* We may have turned a trapping insn into a non-trapping insn.  */
   if (maybe_clean_or_replace_eh_stmt (stmt, stmt)
       && tree_purge_dead_eh_edges (bb_for_stmt (stmt)))
@@ -454,7 +452,7 @@ tidy_after_forward_propagate_addr (tree stmt)
   if (TREE_CODE (TREE_OPERAND (stmt, 1)) == ADDR_EXPR)
      recompute_tree_invariant_for_addr_expr (TREE_OPERAND (stmt, 1));
 
-  update_stmt (stmt);
+  mark_new_vars_to_rename (stmt);
 }
 
 /* STMT defines LHS which is contains the address of the 0th element

gcc/tree-ssa-pre.c

@@ -2150,8 +2150,7 @@ create_expression_by_pieces (basic_block block, tree expr, tree stmts)
 	  vn_add (forcedname, val);
 	  bitmap_value_replace_in_set (NEW_SETS (block), forcedname);
 	  bitmap_value_replace_in_set (AVAIL_OUT (block), forcedname);
-	  update_stmt (stmt);
-	  mark_new_vars_to_rename (tsi_stmt (tsi));
+	  mark_new_vars_to_rename (stmt);
 	}
       tsi = tsi_last (stmts);
       tsi_link_after (&tsi, forced_stmts, TSI_CONTINUE_LINKING);
@@ -2179,7 +2178,6 @@ create_expression_by_pieces (basic_block block, tree expr, tree stmts)
   tsi = tsi_last (stmts);
   tsi_link_after (&tsi, newexpr, TSI_CONTINUE_LINKING);
   VEC_safe_push (tree, heap, inserted_exprs, newexpr);
-  update_stmt (newexpr);
   mark_new_vars_to_rename (newexpr);
 
   /* Add a value handle to the temporary.