stmt.c (stmt_loop_nest_empty): New function.

        * stmt.c (stmt_loop_nest_empty): New function.
        * tree.h (stmt_loop_nest_empty): Declare it.

From-SVN: r24844

gcc/ChangeLog

 Sun Jan 24 08:07:59 1999  Jeffrey A Law  (law@cygnus.com)
 
+        * stmt.c (stmt_loop_nest_empty): New function.
+        * tree.h (stmt_loop_nest_empty): Declare it.
 	* rtl.def (CALL_PLACEHOLDER): New rtx code.
 
 Sun Jan 24 21:24:43 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

gcc/stmt.c

@@ -2345,6 +2345,14 @@ expand_exit_loop_if_false (whichloop, cond)
   return 1;
 }
 
+/* Return nonzero if the loop nest is empty.  Else return zero.  */
+
+int
+stmt_loop_nest_empty ()
+{
+  return (loop_stack == NULL);
+}
+
 /* Return non-zero if we should preserve sub-expressions as separate
    pseudos.  We never do so if we aren't optimizing.  We always do so
    if -fexpensive-optimizations.

gcc/tree.h

@@ -1952,6 +1952,7 @@ extern int pushcase_range			PROTO((tree, tree,
 						       tree (*) (tree, tree),
 						       tree, tree *));
 extern void using_eh_for_cleanups		PROTO((void));
+extern int stmt_loop_nest_empty			PROTO((void));
 
 /* In fold-const.c */