TableGen subtarget emitter cleanup.

Consistently evaluate Aliases and Sequences recursively.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165604 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenSchedule.h b/utils/TableGen/CodeGenSchedule.h
index cc3a102..eed0589 100644
--- a/utils/TableGen/CodeGenSchedule.h
+++ b/utils/TableGen/CodeGenSchedule.h
@@ -394,6 +394,9 @@
 
   void collectItinProcResources(Record *ItinClassDef);
 
+  void collectRWResources(unsigned RWIdx, bool IsRead,
+                          const IdxVec &ProcIndices);
+
   void collectRWResources(const IdxVec &Writes, const IdxVec &Reads,
                           const IdxVec &ProcIndices);