Index: include/llvm/CodeGen/MachineScheduler.h
===================================================================
--- include/llvm/CodeGen/MachineScheduler.h
+++ include/llvm/CodeGen/MachineScheduler.h
@@ -302,6 +302,9 @@
     return SchedImpl->doMBBSchedRegionsTopDown();
   }
 
+  // Returns AliasAnalysis instance for use in Hazard Recognizer.
+  AliasAnalysis* getAA() { return AA; }
+
   // Returns LiveIntervals instance for use in DAG mutators and such.
   LiveIntervals *getLIS() const { return LIS; }
 
Index: lib/CodeGen/PostRASchedulerList.cpp
===================================================================
--- lib/CodeGen/PostRASchedulerList.cpp
+++ lib/CodeGen/PostRASchedulerList.cpp
@@ -184,6 +184,9 @@
     ///
     void finishBlock() override;
 
+	// Returns AliasAnalysis instance for use in Hazard Recognizer.
+	AliasAnalysis* getAA() { return AA; }
+
   private:
     /// Apply each ScheduleDAGMutation step in order.
     void postprocessDAG();