Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.

1 files changed, 18 insertions, 0 deletions

diff --git a/gcc/function.h b/gcc/function.h
index 66cfa97..36003e7 100644
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -157,6 +157,7 @@ struct GTY(()) rtl_eh {
 struct gimple_df;
 struct call_site_record_d;
 struct dw_fde_node;
+class range_query;
 
 struct GTY(()) varasm_status {
   /* If we're using a per-function constant pool, this is it.  */
@@ -309,6 +310,12 @@ struct GTY(()) function {
      debugging is enabled.  */
   struct dw_fde_node *fde;
 
+  /* Range query mechanism for functions.  The default is to pick up
+     global ranges.  If a pass wants on-demand ranges OTOH, it must
+     call enable/disable_ranger().  The pointer is never null.  It
+     should be queried by calling get_range_query().  */
+  range_query * GTY ((skip)) x_range_query;
+
   /* Last statement uid.  */
   int last_stmt_uid;
 
@@ -712,4 +719,15 @@ extern const char *current_function_name (void);
 
 extern void used_types_insert (tree);
 
+/* Returns the currently active range access class.  When there is no active
+   range class, global ranges are used.  Never returns null.  */
+
+ATTRIBUTE_RETURNS_NONNULL inline range_query *
+get_range_query (const struct function *fun)
+{
+  return fun->x_range_query;
+}
+
+extern range_query *get_global_range_query ();
+
 #endif  /* GCC_FUNCTION_H */