[PATCH 221/236] Add insn method to rtx_expr_list

[David Malcolm]

gcc/
        * rtl.h (rtx_expr_list::insn): New method.
---
 gcc/rtl.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gcc/rtl.h b/gcc/rtl.h
index d028be1..d5811c2 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -414,6 +414,10 @@ public:
 
   /* Get at the underlying rtx.  */
   rtx element () const;
+
+  /* Get at the rtx, casting to rtx_insn *.  */
+  rtx_insn *insn () const;
+
 };
 
 template <>
@@ -1287,6 +1291,11 @@ inline rtx rtx_expr_list::element () const
   return XEXP (this, 0);
 }
 
+inline rtx_insn *rtx_expr_list::insn () const
+{
+  return as_a <rtx_insn *> (XEXP (this, 0));
+}
+
 /* Methods of rtx_insn_list.  */
 
 inline rtx_insn_list *rtx_insn_list::next () const
-- 
1.8.5.3