diff --git a/lib/CodeGen/InstrSched/SchedPriorities.cpp b/lib/CodeGen/InstrSched/SchedPriorities.cpp
index 9ed6cb9e474..e06f84cd670 100644
--- a/lib/CodeGen/InstrSched/SchedPriorities.cpp
+++ b/lib/CodeGen/InstrSched/SchedPriorities.cpp
@@ -20,6 +20,7 @@
 
 #include "SchedPriorities.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
+#include "llvm/Analysis/LiveVar/LiveVarSet.h"
 #include "Support/PostOrderIterator.h"
 #include <iostream>
 using std::cerr;
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 2fd2c91a6fd..d901337535d 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineCodeForMethod.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
+#include "llvm/Analysis/LiveVar/LiveVarSet.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/MachineFrameInfo.h"
diff --git a/lib/Target/SparcV9/InstrSched/SchedPriorities.cpp b/lib/Target/SparcV9/InstrSched/SchedPriorities.cpp
index 9ed6cb9e474..e06f84cd670 100644
--- a/lib/Target/SparcV9/InstrSched/SchedPriorities.cpp
+++ b/lib/Target/SparcV9/InstrSched/SchedPriorities.cpp
@@ -20,6 +20,7 @@
 
 #include "SchedPriorities.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
+#include "llvm/Analysis/LiveVar/LiveVarSet.h"
 #include "Support/PostOrderIterator.h"
 #include <iostream>
 using std::cerr;
diff --git a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
index 2fd2c91a6fd..d901337535d 100644
--- a/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/Target/SparcV9/RegAlloc/PhyRegAlloc.cpp
@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineCodeForMethod.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
+#include "llvm/Analysis/LiveVar/LiveVarSet.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/MachineFrameInfo.h"