Rename ssa_global_cache to ssa_cache and add has_range

This renames the ssa_global_cache to be ssa_cache.  The original use was
to function as a global cache, but its uses have expanded.  Remove all mention
of "global" from the class and methods.  Also add a has_range method.

	* gimple-range-cache.cc (ssa_cache::ssa_cache): Rename.
	(ssa_cache::~ssa_cache): Rename.
	(ssa_cache::has_range): New.
	(ssa_cache::get_range): Rename.
	(ssa_cache::set_range): Rename.
	(ssa_cache::clear_range): Rename.
	(ssa_cache::clear): Rename.
	(ssa_cache::dump): Rename and use get_range.
	(ranger_cache::get_global_range): Use get_range and set_range.
	(ranger_cache::range_of_def): Use get_range.
	* gimple-range-cache.h (class ssa_cache): Rename class and methods.
	(class ranger_cache): Use ssa_cache.
	* gimple-range-path.cc (path_range_query::path_range_query): Use
	ssa_cache.
	(path_range_query::get_cache): Use get_range.
	(path_range_query::set_cache): Use set_range.
	* gimple-range-path.h (class path_range_query): Use ssa_cache.
	* gimple-range.cc (assume_query::assume_range_p): Use get_range.
	(assume_query::range_of_expr): Use get_range.
	(assume_query::assume_query): Use set_range.
	(assume_query::calculate_op): Use get_range and set_range.
	* gimple-range.h (class assume_query): Use ssa_cache.

1 files changed, 8 insertions, 7 deletions

diff --git a/gcc/gimple-range-cache.h b/gcc/gimple-range-cache.h
index 4ff435d..2d41f0c 100644
--- a/gcc/gimple-range-cache.h
+++ b/gcc/gimple-range-cache.h
@@ -52,14 +52,15 @@ private:
 // has been visited during this incarnation.  Once the ranger evaluates
 // a name, it is typically not re-evaluated again.
 
-class ssa_global_cache
+class ssa_cache
 {
 public:
-  ssa_global_cache ();
-  ~ssa_global_cache ();
-  bool get_global_range (vrange &r, tree name) const;
-  bool set_global_range (tree name, const vrange &r);
-  void clear_global_range (tree name);
+  ssa_cache ();
+  ~ssa_cache ();
+  bool has_range (tree name) const;
+  bool get_range (vrange &r, tree name) const;
+  bool set_range (tree name, const vrange &r);
+  void clear_range (tree name);
   void clear ();
   void dump (FILE *f = stderr);
 private:
@@ -95,7 +96,7 @@ public:
   void dump_bb (FILE *f, basic_block bb);
   virtual void dump (FILE *f) override;
 private:
-  ssa_global_cache m_globals;
+  ssa_cache m_globals;
   block_range_cache m_on_entry;
   class temporal_cache *m_temporal;
   void fill_block_cache (tree name, basic_block bb, basic_block def_bb);