diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 0d0e70e4f18..00e75310b6f 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -944,6 +944,7 @@ bool ARMBaseRegisterInfo::
 requiresRegisterScavenging(const MachineFunction &MF) const {
   return true;
 }
+
 bool ARMBaseRegisterInfo::
 requiresFrameIndexScavenging(const MachineFunction &MF) const {
   return ScavengeFrameIndexVals;
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp
index f548b055ca3..7e1fc572df6 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -77,6 +77,18 @@ Thumb1RegisterInfo::getPhysicalRegisterRegClass(unsigned Reg, EVT VT) const {
   return TargetRegisterInfo::getPhysicalRegisterRegClass(Reg, VT);
 }
 
+bool
+Thumb1RegisterInfo::requiresRegisterScavenging(const MachineFunction &MF) const {
+  return true;
+}
+
+bool
+Thumb1RegisterInfo::requiresFrameIndexScavenging(const MachineFunction &MF)
+  const {
+  return true;
+}
+
+
 bool Thumb1RegisterInfo::hasReservedCallFrame(MachineFunction &MF) const {
   const MachineFrameInfo *FFI = MF.getFrameInfo();
   unsigned CFSize = FFI->getMaxCallFrameSize();
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.h b/lib/Target/ARM/Thumb1RegisterInfo.h
index 241f1cc7ea1..570a5bc8c2e 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.h
+++ b/lib/Target/ARM/Thumb1RegisterInfo.h
@@ -40,6 +40,9 @@ public:
   const TargetRegisterClass *
     getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
 
+  bool requiresRegisterScavenging(const MachineFunction &MF) const;
+  bool requiresFrameIndexScavenging(const MachineFunction &MF) const;
+
   bool hasReservedCallFrame(MachineFunction &MF) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,