tree-dfa.c (dump_variable): Remove noalias_state dumping.

2010-06-29  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (dump_variable): Remove noalias_state dumping.
	* tree-flow.h (enum noalias_state): Remove.
	(struct var_ann_d): Remove noalias_state member.

From-SVN: r161535

gcc/ChangeLog

+2010-06-29  Richard Guenther  <rguenther@suse.de>
+
+	* tree-dfa.c (dump_variable): Remove noalias_state dumping.
+	* tree-flow.h (enum noalias_state): Remove.
+	(struct var_ann_d): Remove noalias_state member.
+
 2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>
 
 	PR target/43902

gcc/tree-dfa.c

@@ -242,8 +242,6 @@ debug_referenced_vars (void)
 void
 dump_variable (FILE *file, tree var)
 {
-  var_ann_t ann;
-
   if (TREE_CODE (var) == SSA_NAME)
     {
       if (POINTER_TYPE_P (TREE_TYPE (var)))
@@ -259,8 +257,6 @@ dump_variable (FILE *file, tree var)
 
   print_generic_expr (file, var, dump_flags);
 
-  ann = var_ann (var);
-
   fprintf (file, ", UID D.%u", (unsigned) DECL_UID (var));
   if (DECL_PT_UID (var) != DECL_UID (var))
     fprintf (file, ", PT-UID D.%u", (unsigned) DECL_PT_UID (var));
@@ -277,14 +273,6 @@ dump_variable (FILE *file, tree var)
   if (TREE_THIS_VOLATILE (var))
     fprintf (file, ", is volatile");
 
-  if (ann && ann->noalias_state == NO_ALIAS)
-    fprintf (file, ", NO_ALIAS (does not alias other NO_ALIAS symbols)");
-  else if (ann && ann->noalias_state == NO_ALIAS_GLOBAL)
-    fprintf (file, ", NO_ALIAS_GLOBAL (does not alias other NO_ALIAS symbols"
-	           " and global vars)");
-  else if (ann && ann->noalias_state == NO_ALIAS_ANYTHING)
-    fprintf (file, ", NO_ALIAS_ANYTHING (does not alias any other symbols)");
-
   if (cfun && gimple_default_def (cfun, var))
     {
       fprintf (file, ", default def: ");

gcc/tree-flow.h

@@ -147,29 +147,6 @@ enum need_phi_state {
 };
 
 
-/* The "no alias" attribute allows alias analysis to make more
-   aggressive assumptions when assigning alias sets, computing
-   points-to information and memory partitions.  These attributes
-   are the result of user annotations or flags (e.g.,
-   -fargument-noalias).  */
-enum noalias_state {
-    /* Default state.  No special assumptions can be made about this
-       symbol.  */
-    MAY_ALIAS = 0,
-
-    /* The symbol does not alias with other symbols that have a
-       NO_ALIAS* attribute.  */
-    NO_ALIAS,
-
-    /* The symbol does not alias with other symbols that have a
-       NO_ALIAS*, and it may not alias with global symbols.  */
-    NO_ALIAS_GLOBAL,
-
-    /* The symbol does not alias with any other symbols.  */
-    NO_ALIAS_ANYTHING
-};
-
-
 struct GTY(()) var_ann_d {
   /* Used when building base variable structures in a var_map.  */
   unsigned base_var_processed : 1;
@@ -187,11 +164,6 @@ struct GTY(()) var_ann_d {
      the memory area allocated by a call to malloc.  */
   unsigned is_heapvar : 1;
 
-  /* This field describes several "no alias" attributes that some
-     symbols are known to have.  See the enum's definition for more
-     information on each attribute.  */
-  ENUM_BITFIELD (noalias_state) noalias_state : 2;
-
   /* Used by var_map for the base index of ssa base variables.  */
   unsigned base_index;