[patch] tree-ssa-alias.c: Remove is_aliased_with.

[Kazu Hirata]

Hi,

Attached is a patch to remove is_aliased_with as it is unused.

Bootstrapped on i686-pc-linux-gnu.  OK to apply?

Kazu Hirata

2007-05-26  Kazu Hirata  <kazu@codesourcery.com>

	* tree-flow.h: Remove the prototype for is_aliased_with.
	* tree-ssa-alias.c (is_aliased_with): Remove.

Index: tree-flow.h
===================================================================
--- tree-flow.h	(revision 125090)
+++ tree-flow.h	(working copy)
@@ -834,7 +834,6 @@ extern void debug_points_to_info (void);
 extern void dump_points_to_info_for (FILE *, tree);
 extern void debug_points_to_info_for (tree);
 extern bool may_be_aliased (tree);
-extern bool is_aliased_with (tree, tree);
 extern struct ptr_info_def *get_ptr_info (tree);
 extern void new_type_alias (tree, tree, tree);
 extern void count_uses_and_derefs (tree, tree, unsigned *, unsigned *,
Index: tree-ssa-alias.c
===================================================================
--- tree-ssa-alias.c	(revision 125090)
+++ tree-ssa-alias.c	(working copy)
@@ -3282,38 +3282,6 @@ may_be_aliased (tree var)
   return true;
 }
 
-
-/* Given two symbols return TRUE if one is in the alias set of the
-   other.  */
-
-bool
-is_aliased_with (tree tag, tree sym)
-{
-  bitmap aliases;
-
-  if (MTAG_P (tag))
-    {
-      aliases = MTAG_ALIASES (tag);
-
-      if (aliases == NULL)
-	return false;
-
-      return bitmap_bit_p (aliases, DECL_UID (sym));      
-    }
-  else
-    {
-      gcc_assert (MTAG_P (sym));
-      aliases = MTAG_ALIASES (sym);
-
-      if (aliases == NULL)
-	return false;
-
-      return bitmap_bit_p (aliases, DECL_UID (tag));
-    }
-
-  return false;
-}
-
 /* The following is based on code in add_stmt_operand to ensure that the
    same defs/uses/vdefs/vuses will be found after replacing a reference
    to var (or ARRAY_REF to var) with an INDIRECT_REF to ptr whose value