diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 2e8ae80bddc..bc02c9a1241 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1722,7 +1722,6 @@ PPCTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
   //
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  MachineBasicBlock& BB = MF.front();
   SSARegMap *RegMap = MF.getSSARegMap();
   std::vector<SDOperand> ArgValues;
   
diff --git a/lib/Target/PowerPC/PPCTargetMachine.h b/lib/Target/PowerPC/PPCTargetMachine.h
index ea42989293b..06799457418 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.h
+++ b/lib/Target/PowerPC/PPCTargetMachine.h
@@ -41,7 +41,9 @@ public:
   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
   virtual       TargetJITInfo    *getJITInfo()         { return &JITInfo; }
   virtual const TargetSubtarget  *getSubtargetImpl() const{ return &Subtarget; }
-  virtual       PPCTargetLowering *getTargetLowering() { return &TLInfo; }
+  virtual       PPCTargetLowering *getTargetLowering() const { 
+   return const_cast<PPCTargetLowering*>(&TLInfo); 
+  }
   virtual const MRegisterInfo    *getRegisterInfo() const {
     return &InstrInfo.getRegisterInfo();
   }