Index: include/llvm/CodeGen/ScoreboardHazardRecognizer.h
===================================================================
--- include/llvm/CodeGen/ScoreboardHazardRecognizer.h
+++ include/llvm/CodeGen/ScoreboardHazardRecognizer.h
@@ -24,7 +24,7 @@
 namespace llvm {
 
 class InstrItineraryData;
-class ScheduleDAG;
+class ScheduleDAGInstrs;
 class SUnit;
 
 class ScoreboardHazardRecognizer : public ScheduleHazardRecognizer {
@@ -94,7 +94,7 @@
   // Itinerary data for the target.
   const InstrItineraryData *ItinData;
 
-  const ScheduleDAG *DAG;
+  const ScheduleDAGInstrs *DAG;
 
   /// IssueWidth - Max issue per cycle. 0=Unknown.
   unsigned IssueWidth = 0;
@@ -107,7 +107,7 @@
 
 public:
   ScoreboardHazardRecognizer(const InstrItineraryData *ItinData,
-                             const ScheduleDAG *DAG,
+                             const ScheduleDAGInstrs *DAG,
                              const char *ParentDebugType = "");
 
   /// atIssueLimit - Return true if no more instructions may be issued in this
Index: include/llvm/CodeGen/TargetInstrInfo.h
===================================================================
--- include/llvm/CodeGen/TargetInstrInfo.h
+++ include/llvm/CodeGen/TargetInstrInfo.h
@@ -51,6 +51,7 @@
 class ScheduleHazardRecognizer;
 class SDNode;
 class SelectionDAG;
+class ScheduleDAGInstrs;;
 class RegScavenger;
 class TargetRegisterClass;
 class TargetRegisterInfo;
@@ -1238,13 +1239,13 @@
   /// scheduling the machine instructions before register allocation.
   virtual ScheduleHazardRecognizer *
   CreateTargetMIHazardRecognizer(const InstrItineraryData *,
-                                 const ScheduleDAG *DAG) const;
+                                 const ScheduleDAGInstrs *DAG) const;
 
   /// Allocate and return a hazard recognizer to use for this target when
   /// scheduling the machine instructions after register allocation.
   virtual ScheduleHazardRecognizer *
   CreateTargetPostRAHazardRecognizer(const InstrItineraryData *,
-                                     const ScheduleDAG *DAG) const;
+                                     const ScheduleDAGInstrs *DAG) const;
 
   /// Allocate and return a hazard recognizer to use for by non-scheduling
   /// passes.
Index: lib/CodeGen/ScoreboardHazardRecognizer.cpp
===================================================================
--- lib/CodeGen/ScoreboardHazardRecognizer.cpp
+++ lib/CodeGen/ScoreboardHazardRecognizer.cpp
@@ -14,7 +14,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
-#include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/CodeGen/ScheduleDAGInstrs.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/MC/MCInstrDesc.h"
@@ -29,7 +29,7 @@
 #define DEBUG_TYPE DebugType
 
 ScoreboardHazardRecognizer::ScoreboardHazardRecognizer(
-    const InstrItineraryData *II, const ScheduleDAG *SchedDAG,
+    const InstrItineraryData *II, const ScheduleDAGInstrs *SchedDAG,
     const char *ParentDebugType)
     : ScheduleHazardRecognizer(), DebugType(ParentDebugType), ItinData(II),
       DAG(SchedDAG) {
Index: lib/CodeGen/TargetInstrInfo.cpp
===================================================================
--- lib/CodeGen/TargetInstrInfo.cpp
+++ lib/CodeGen/TargetInstrInfo.cpp
@@ -1019,7 +1019,7 @@
 // Default implementation of CreateTargetMIHazardRecognizer.
 ScheduleHazardRecognizer *TargetInstrInfo::
 CreateTargetMIHazardRecognizer(const InstrItineraryData *II,
-                               const ScheduleDAG *DAG) const {
+                               const ScheduleDAGInstrs *DAG) const {
   return (ScheduleHazardRecognizer *)
     new ScoreboardHazardRecognizer(II, DAG, "misched");
 }
@@ -1027,7 +1027,7 @@
 // Default implementation of CreateTargetPostRAHazardRecognizer.
 ScheduleHazardRecognizer *TargetInstrInfo::
 CreateTargetPostRAHazardRecognizer(const InstrItineraryData *II,
-                                   const ScheduleDAG *DAG) const {
+                                   const ScheduleDAGInstrs *DAG) const {
   return (ScheduleHazardRecognizer *)
     new ScoreboardHazardRecognizer(II, DAG, "post-RA-sched");
 }