tree-ssa-operands.h (create_ssa_artificial_load_stmt): Rename from create_ssa_artficial_load_stmt.

	* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
	Rename from create_ssa_artficial_load_stmt.  Update all users.
	* tree-into-ssa.c (register_new_def): Make static.
	* tree.c (is_global_var): Handle SSA_NAMEs.
	* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
	that used to call gimple_default_def.
	* tree-ssa-operands.c (push_stmt_changes): New.
	(pop_stmt_changes): New.  Update every pass that modifies
	statements to bracket modifications with
	push_stmt_changes/pop_stmt_changes.
	(discard_stmt_changes): New.
	* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
	'tree *' instead of 'tree'.  Update all users.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.
	* tree-dfa.c (dump_variable): Always show the escape mask.
	(mark_symbols_for_renaming): Rename from
	mark_new_vars_to_rename.  Update all users.
	Only mark to rename naked symbols in real and virtual
	operands.

From-SVN: r119746

1 files changed, 7 insertions, 5 deletions

diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index ca95823..4543740 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -5556,7 +5556,7 @@ get_ref_tag (tree ref, tree orig)
 	}
  
       var = SSA_NAME_VAR (var);
-      tag = var_ann (var)->symbol_mem_tag;
+      tag = symbol_mem_tag (var);
       gcc_assert (tag != NULL_TREE);
       return tag;
     }
@@ -5565,7 +5565,7 @@ get_ref_tag (tree ref, tree orig)
       if (!DECL_P (var))
 	return NULL_TREE;
 
-      tag = var_ann (var)->symbol_mem_tag;
+      tag = symbol_mem_tag (var);
       if (tag)
 	return tag;
 
@@ -5657,9 +5657,10 @@ rewrite_use_compare (struct ivopts_data *data,
 /* Rewrites USE using candidate CAND.  */
 
 static void
-rewrite_use (struct ivopts_data *data,
-	     struct iv_use *use, struct iv_cand *cand)
+rewrite_use (struct ivopts_data *data, struct iv_use *use, struct iv_cand *cand)
 {
+  push_stmt_changes (&use->stmt);
+
   switch (use->type)
     {
       case USE_NONLINEAR_EXPR:
@@ -5677,7 +5678,8 @@ rewrite_use (struct ivopts_data *data,
       default:
 	gcc_unreachable ();
     }
-  mark_new_vars_to_rename (use->stmt);
+
+  pop_stmt_changes (&use->stmt);
 }
 
 /* Rewrite the uses using the selected induction variables.  */