diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index 2de095b8857..4901d7807c4 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -23,6 +23,7 @@
 #include "llvm/ADT/PointerIntPair.h"
 
 namespace llvm {
+  class AliasAnalysis;
   class SUnit;
   class MachineConstantPool;
   class MachineFunction;
@@ -490,7 +491,7 @@ namespace llvm {
     /// BuildSchedGraph - Build SUnits and set up their Preds and Succs
     /// to form the scheduling dependency graph.
     ///
-    virtual void BuildSchedGraph() = 0;
+    virtual void BuildSchedGraph(AliasAnalysis *AA) = 0;
 
     /// ComputeLatency - Compute node latency.
     ///
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 7eac4d81bb8..e0f93d85c75 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -117,7 +117,7 @@ void ScheduleDAGFast::Schedule() {
   LiveRegCycles.resize(TRI->getNumRegs(), 0);
 
   // Build the scheduling graph.
-  BuildSchedGraph();
+  BuildSchedGraph(NULL);
 
   DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
           SUnits[su].dumpAll(this));
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
index f17fe23fc75..c8d21584616 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
@@ -91,7 +91,7 @@ void ScheduleDAGList::Schedule() {
   DEBUG(errs() << "********** List Scheduling **********\n");
   
   // Build the scheduling graph.
-  BuildSchedGraph();
+  BuildSchedGraph(NULL);
 
   AvailableQueue->initNodes(SUnits);
   
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index cd91b840d03..cec24e606f9 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -172,7 +172,7 @@ void ScheduleDAGRRList::Schedule() {
   LiveRegCycles.resize(TRI->getNumRegs(), 0);
 
   // Build the scheduling graph.
-  BuildSchedGraph();
+  BuildSchedGraph(NULL);
 
   DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
           SUnits[su].dumpAll(this));
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index 3e2101aab81..9ca6d22c800 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
@@ -230,7 +230,7 @@ void ScheduleDAGSDNodes::AddSchedEdges() {
 /// are input.  This SUnit graph is similar to the SelectionDAG, but
 /// excludes nodes that aren't interesting to scheduling, and represents
 /// flagged together nodes with a single SUnit.
-void ScheduleDAGSDNodes::BuildSchedGraph() {
+void ScheduleDAGSDNodes::BuildSchedGraph(AliasAnalysis *AA) {
   // Populate the SUnits array.
   BuildSchedUnits();
   // Compute all the scheduling dependencies between nodes.
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
index 0a6816a946f..aef1c22cf20 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
@@ -86,7 +86,7 @@ namespace llvm {
     /// are input.  This SUnit graph is similar to the SelectionDAG, but
     /// excludes nodes that aren't interesting to scheduling, and represents
     /// flagged together nodes with a single SUnit.
-    virtual void BuildSchedGraph();
+    virtual void BuildSchedGraph(AliasAnalysis *AA);
 
     /// ComputeLatency - Compute node latency.
     ///