Move hasFP() and few related hooks to TargetFrameInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119740 91177308-0d34-0410-b5e6-96231b3b80d8

66 files changed, 466 insertions, 436 deletions

diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp
index a1108da..f712a77 100644
--- a/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/lib/CodeGen/PrologEpilogInserter.cpp
@@ -142,6 +142,7 @@ void PEI::getAnalysisUsage(AnalysisUsage &AU) const {
 /// pseudo instructions.
 void PEI::calculateCallsInformation(MachineFunction &Fn) {
   const TargetRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo();
+  const TargetFrameInfo *TFI = Fn.getTarget().getFrameInfo();
   MachineFrameInfo *MFI = Fn.getFrameInfo();
 
   unsigned MaxCallFrameSize = 0;
@@ -184,7 +185,7 @@ void PEI::calculateCallsInformation(MachineFunction &Fn) {
     // the target doesn't indicate otherwise, remove the call frame pseudos
     // here. The sub/add sp instruction pairs are still inserted, but we don't
     // need to track the SP adjustment for frame index elimination.
-    if (RegInfo->canSimplifyCallFramePseudos(Fn))
+    if (TFI->canSimplifyCallFramePseudos(Fn))
       RegInfo->eliminateCallFramePseudoInstr(Fn, *I->getParent(), I);
   }
 }
@@ -553,7 +554,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
   // Make sure the special register scavenging spill slot is closest to the
   // frame pointer if a frame pointer is required.
   const TargetRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo();
-  if (RS && RegInfo->hasFP(Fn) && !RegInfo->needsStackRealignment(Fn)) {
+  if (RS && TFI.hasFP(Fn) && !RegInfo->needsStackRealignment(Fn)) {
     int SFI = RS->getScavengingFrameIndex();
     if (SFI >= 0)
       AdjustStackOffset(MFI, SFI, StackGrowsDown, Offset, MaxAlign);
@@ -635,7 +636,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
 
   // Make sure the special register scavenging spill slot is closest to the
   // stack pointer.
-  if (RS && (!RegInfo->hasFP(Fn) || RegInfo->needsStackRealignment(Fn))) {
+  if (RS && (!TFI.hasFP(Fn) || RegInfo->needsStackRealignment(Fn))) {
     int SFI = RS->getScavengingFrameIndex();
     if (SFI >= 0)
       AdjustStackOffset(MFI, SFI, StackGrowsDown, Offset, MaxAlign);
@@ -645,7 +646,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
     // If we have reserved argument space for call sites in the function
     // immediately on entry to the current function, count it as part of the
     // overall stack size.
-    if (MFI->adjustsStack() && RegInfo->hasReservedCallFrame(Fn))
+    if (MFI->adjustsStack() && TFI.hasReservedCallFrame(Fn))
       Offset += MFI->getMaxCallFrameSize();
 
     // Round up the size to a multiple of the alignment.  If the function has
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 6ecd817..7bba4d6 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -85,12 +85,14 @@ ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector ARMBaseRegisterInfo::
 getReservedRegs(const MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   // FIXME: avoid re-calculating this everytime.
   BitVector Reserved(getNumRegs());
   Reserved.set(ARM::SP);
   Reserved.set(ARM::PC);
   Reserved.set(ARM::FPSCR);
-  if (hasFP(MF))
+  if (TFI->hasFP(MF))
     Reserved.set(FramePtr);
   if (hasBasePointer(MF))
     Reserved.set(BasePtr);
@@ -102,6 +104,8 @@ getReservedRegs(const MachineFunction &MF) const {
 
 bool ARMBaseRegisterInfo::isReservedReg(const MachineFunction &MF,
                                         unsigned Reg) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   switch (Reg) {
   default: break;
   case ARM::SP:
@@ -113,7 +117,7 @@ bool ARMBaseRegisterInfo::isReservedReg(const MachineFunction &MF,
     break;
   case ARM::R7:
   case ARM::R11:
-    if (FramePtr == Reg && hasFP(MF))
+    if (FramePtr == Reg && TFI->hasFP(MF))
       return true;
     break;
   case ARM::R9:
@@ -349,6 +353,7 @@ std::pair<TargetRegisterClass::iterator,TargetRegisterClass::iterator>
 ARMBaseRegisterInfo::getAllocationOrder(const TargetRegisterClass *RC,
                                         unsigned HintType, unsigned HintReg,
                                         const MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   // Alternative register allocation orders when favoring even / odd registers
   // of register pairs.
 
@@ -430,7 +435,7 @@ ARMBaseRegisterInfo::getAllocationOrder(const TargetRegisterClass *RC,
       return std::make_pair(RC->allocation_order_begin(MF),
                             RC->allocation_order_end(MF));
 
-    if (!hasFP(MF)) {
+    if (!TFI->hasFP(MF)) {
       if (!STI.isR9Reserved())
         return std::make_pair(GPREven1,
                               GPREven1 + (sizeof(GPREven1)/sizeof(unsigned)));
@@ -459,7 +464,7 @@ ARMBaseRegisterInfo::getAllocationOrder(const TargetRegisterClass *RC,
       return std::make_pair(RC->allocation_order_begin(MF),
                             RC->allocation_order_end(MF));
 
-    if (!hasFP(MF)) {
+    if (!TFI->hasFP(MF)) {
       if (!STI.isR9Reserved())
         return std::make_pair(GPROdd1,
                               GPROdd1 + (sizeof(GPROdd1)/sizeof(unsigned)));
@@ -524,23 +529,6 @@ ARMBaseRegisterInfo::UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
   }
 }
 
-/// hasFP - Return true if the specified function should have a dedicated frame
-/// pointer register.  This is true if the function has variable sized allocas
-/// or if frame pointer elimination is disabled.
-///
-bool ARMBaseRegisterInfo::hasFP(const MachineFunction &MF) const {
-  // Mac OS X requires FP not to be clobbered for backtracing purpose.
-  if (STI.isTargetDarwin())
-    return true;
-
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  // Always eliminate non-leaf frame pointers.
-  return ((DisableFramePointerElim(MF) && MFI->hasCalls()) ||
-          needsStackRealignment(MF) ||
-          MFI->hasVarSizedObjects() ||
-          MFI->isFrameAddressTaken());
-}
-
 bool ARMBaseRegisterInfo::hasBasePointer(const MachineFunction &MF) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
@@ -626,6 +614,7 @@ static unsigned estimateStackSize(MachineFunction &MF) {
 /// instructions will require a scratch register during their expansion later.
 unsigned
 ARMBaseRegisterInfo::estimateRSStackSizeLimit(MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
   unsigned Limit = (1 << 12) - 1;
   for (MachineFunction::iterator BB = MF.begin(),E = MF.end(); BB != E; ++BB) {
@@ -654,7 +643,7 @@ ARMBaseRegisterInfo::estimateRSStackSizeLimit(MachineFunction &MF) const {
         case ARMII::AddrModeT2_i12:
           // i12 supports only positive offset so these will be converted to
           // i8 opcodes. See llvm::rewriteT2FrameIndex.
-          if (hasFP(MF) && AFI->hasStackFrame())
+          if (TFI->hasFP(MF) && AFI->hasStackFrame())
             Limit = std::min(Limit, (1U << 8) - 1);
           break;
         case ARMII::AddrMode4:
@@ -699,6 +688,7 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   unsigned NumGPRSpills = 0;
   SmallVector<unsigned, 4> UnspilledCS1GPRs;
   SmallVector<unsigned, 4> UnspilledCS2GPRs;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
   MachineFrameInfo *MFI = MF.getFrameInfo();
 
@@ -813,10 +803,10 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   //        worth the effort and added fragility?
   bool BigStack =
     (RS &&
-     (estimateStackSize(MF) + ((hasFP(MF) && AFI->hasStackFrame()) ? 4:0) >=
+     (estimateStackSize(MF) + ((TFI->hasFP(MF) && AFI->hasStackFrame()) ? 4:0) >=
       estimateRSStackSizeLimit(MF)))
     || MFI->hasVarSizedObjects()
-    || (MFI->adjustsStack() && !canSimplifyCallFramePseudos(MF));
+    || (MFI->adjustsStack() && !TFI->canSimplifyCallFramePseudos(MF));
 
   bool ExtraCSSpill = false;
   if (BigStack || !CanEliminateFrame || cannotEliminateFrame(MF)) {
@@ -834,7 +824,7 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
       ExtraCSSpill = true;
     }
 
-    if (hasFP(MF)) {
+    if (TFI->hasFP(MF)) {
       MF.getRegInfo().setPhysRegUsed(FramePtr);
       NumGPRSpills++;
     }
@@ -927,7 +917,9 @@ unsigned ARMBaseRegisterInfo::getRARegister() const {
 
 unsigned
 ARMBaseRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  if (hasFP(MF))
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (TFI->hasFP(MF))
     return FramePtr;
   return ARM::SP;
 }
@@ -948,6 +940,7 @@ ARMBaseRegisterInfo::ResolveFrameIndexReference(const MachineFunction &MF,
                                                 unsigned &FrameReg,
                                                 int SPAdj) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
   int Offset = MFI->getObjectOffset(FI) + MFI->getStackSize();
   int FPOffset = Offset - AFI->getFramePtrSpillOffset();
@@ -965,7 +958,7 @@ ARMBaseRegisterInfo::ResolveFrameIndexReference(const MachineFunction &MF,
   // When dynamically realigning the stack, use the frame pointer for
   // parameters, and the stack/base pointer for locals.
   if (needsStackRealignment(MF)) {
-    assert (hasFP(MF) && "dynamic stack realignment without a FP!");
+    assert (TFI->hasFP(MF) && "dynamic stack realignment without a FP!");
     if (isFixed) {
       FrameReg = getFrameRegister(MF);
       Offset = FPOffset;
@@ -978,7 +971,7 @@ ARMBaseRegisterInfo::ResolveFrameIndexReference(const MachineFunction &MF,
   }
 
   // If there is a frame pointer, use it when we can.
-  if (hasFP(MF) && AFI->hasStackFrame()) {
+  if (TFI->hasFP(MF) && AFI->hasStackFrame()) {
     // Use frame pointer to reference fixed objects. Use it for locals if
     // there are VLAs (and thus the SP isn't reliable as a base).
     if (isFixed || (MFI->hasVarSizedObjects() && !hasBasePointer(MF))) {
@@ -1252,34 +1245,6 @@ requiresVirtualBaseRegisters(const MachineFunction &MF) const {
   return EnableLocalStackAlloc;
 }
 
-// hasReservedCallFrame - Under normal circumstances, when a frame pointer is
-// not required, we reserve argument space for call sites in the function
-// immediately on entry to the current function. This eliminates the need for
-// add/sub sp brackets around call sites. Returns true if the call frame is
-// included as part of the stack frame.
-bool ARMBaseRegisterInfo::
-hasReservedCallFrame(const MachineFunction &MF) const {
-  const MachineFrameInfo *FFI = MF.getFrameInfo();
-  unsigned CFSize = FFI->getMaxCallFrameSize();
-  // It's not always a good idea to include the call frame as part of the
-  // stack frame. ARM (especially Thumb) has small immediate offset to
-  // address the stack frame. So a large call frame can cause poor codegen
-  // and may even makes it impossible to scavenge a register.
-  if (CFSize >= ((1 << 12) - 1) / 2)  // Half of imm12
-    return false;
-
-  return !MF.getFrameInfo()->hasVarSizedObjects();
-}
-
-// canSimplifyCallFramePseudos - If there is a reserved call frame, the
-// call frame pseudos can be simplified. Unlike most targets, having a FP
-// is not sufficient here since we still may reference some objects via SP
-// even when FP is available in Thumb2 mode.
-bool ARMBaseRegisterInfo::
-canSimplifyCallFramePseudos(const MachineFunction &MF) const {
-  return hasReservedCallFrame(MF) || MF.getFrameInfo()->hasVarSizedObjects();
-}
-
 static void
 emitSPUpdate(bool isARM,
              MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
@@ -1298,7 +1263,8 @@ emitSPUpdate(bool isARM,
 void ARMBaseRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+  if (!TFI->hasReservedCallFrame(MF)) {
     // If we have alloca, convert as follows:
     // ADJCALLSTACKDOWN -> sub, sp, sp, amount
     // ADJCALLSTACKUP   -> add, sp, sp, amount
@@ -1429,6 +1395,7 @@ needsFrameBaseReg(MachineInstr *MI, int64_t Offset) const {
   // Note that the incoming offset is based on the SP value at function entry,
   // so it'll be negative.
   MachineFunction &MF = *MI->getParent()->getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   MachineFrameInfo *MFI = MF.getFrameInfo();
   ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
 
@@ -1456,7 +1423,7 @@ needsFrameBaseReg(MachineInstr *MI, int64_t Offset) const {
   // don't know for sure yet whether we'll need that, so we guess based
   // on whether there are any local variables that would trigger it.
   unsigned StackAlign = MF.getTarget().getFrameInfo()->getStackAlignment();
-  if (hasFP(MF) &&
+  if (TFI->hasFP(MF) &&
       !((MFI->getLocalFrameMaxAlign() > StackAlign) && canRealignStack(MF))) {
     if (isFrameOffsetLegal(MI, FPOffset))
       return false;
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.h b/lib/Target/ARM/ARMBaseRegisterInfo.h
index 5cb0808..ccbd882 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.h
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.h
@@ -139,7 +139,6 @@ public:
   void UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
                           MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
   bool hasBasePointer(const MachineFunction &MF) const;
 
   bool canRealignStack(const MachineFunction &MF) const;
@@ -196,9 +195,6 @@ public:
 
   virtual bool requiresVirtualBaseRegisters(const MachineFunction &MF) const;
 
-  virtual bool hasReservedCallFrame(const MachineFunction &MF) const;
-  virtual bool canSimplifyCallFramePseudos(const MachineFunction &MF) const;
-
   virtual void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                            MachineBasicBlock &MBB,
                                            MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index a6fbe72..22ec737 100644
--- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -24,6 +24,7 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Support/raw_ostream.h" // FIXME: for debug only. remove!
 using namespace llvm;
@@ -600,6 +601,7 @@ bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
 
     case ARM::Int_eh_sjlj_dispatchsetup: {
       MachineFunction &MF = *MI.getParent()->getParent();
+      const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
       const ARMBaseInstrInfo *AII =
         static_cast<const ARMBaseInstrInfo*>(TII);
       const ARMBaseRegisterInfo &RI = AII->getRegisterInfo();
@@ -610,7 +612,7 @@ bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
         ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
         int32_t NumBytes = AFI->getFramePtrSpillOffset();
         unsigned FramePtr = RI.getFrameRegister(MF);
-        assert (RI.hasFP(MF) && "base pointer without frame pointer?");
+        assert (TFI->hasFP(MF) && "base pointer without frame pointer?");
 
         if (AFI->isThumb2Function()) {
           llvm::emitT2RegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
diff --git a/lib/Target/ARM/ARMFrameInfo.cpp b/lib/Target/ARM/ARMFrameInfo.cpp
index 3417ae2..fa11096 100644
--- a/lib/Target/ARM/ARMFrameInfo.cpp
+++ b/lib/Target/ARM/ARMFrameInfo.cpp
@@ -17,9 +17,55 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/Target/TargetOptions.h"
 
 using namespace llvm;
 
+/// hasFP - Return true if the specified function should have a dedicated frame
+/// pointer register.  This is true if the function has variable sized allocas
+/// or if frame pointer elimination is disabled.
+///
+bool ARMFrameInfo::hasFP(const MachineFunction &MF) const {
+  const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
+
+  // Mac OS X requires FP not to be clobbered for backtracing purpose.
+  if (STI.isTargetDarwin())
+    return true;
+
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  // Always eliminate non-leaf frame pointers.
+  return ((DisableFramePointerElim(MF) && MFI->hasCalls()) ||
+          RegInfo->needsStackRealignment(MF) ||
+          MFI->hasVarSizedObjects() ||
+          MFI->isFrameAddressTaken());
+}
+
+// hasReservedCallFrame - Under normal circumstances, when a frame pointer is
+// not required, we reserve argument space for call sites in the function
+// immediately on entry to the current function. This eliminates the need for
+// add/sub sp brackets around call sites. Returns true if the call frame is
+// included as part of the stack frame.
+bool ARMFrameInfo::hasReservedCallFrame(const MachineFunction &MF) const {
+  const MachineFrameInfo *FFI = MF.getFrameInfo();
+  unsigned CFSize = FFI->getMaxCallFrameSize();
+  // It's not always a good idea to include the call frame as part of the
+  // stack frame. ARM (especially Thumb) has small immediate offset to
+  // address the stack frame. So a large call frame can cause poor codegen
+  // and may even makes it impossible to scavenge a register.
+  if (CFSize >= ((1 << 12) - 1) / 2)  // Half of imm12
+    return false;
+
+  return !MF.getFrameInfo()->hasVarSizedObjects();
+}
+
+// canSimplifyCallFramePseudos - If there is a reserved call frame, the
+// call frame pseudos can be simplified. Unlike most targets, having a FP
+// is not sufficient here since we still may reference some objects via SP
+// even when FP is available in Thumb2 mode.
+bool ARMFrameInfo::canSimplifyCallFramePseudos(const MachineFunction &MF)const {
+  return hasReservedCallFrame(MF) || MF.getFrameInfo()->hasVarSizedObjects();
+}
+
 static bool isCalleeSavedRegister(unsigned Reg, const unsigned *CSRegs) {
   for (unsigned i = 0; CSRegs[i]; ++i)
     if (Reg == CSRegs[i])
@@ -136,7 +182,7 @@ void ARMFrameInfo::emitPrologue(MachineFunction &MF) const {
   // Otherwise, if this is not Darwin, all the callee-saved registers go
   // into spill area 1, including the FP in R11.  In either case, it is
   // now safe to emit this assignment.
-  bool HasFP = RegInfo->hasFP(MF);
+  bool HasFP = hasFP(MF);
   if (HasFP) {
     unsigned ADDriOpc = !AFI->isThumbFunction() ? ARM::ADDri : ARM::t2ADDri;
     MachineInstrBuilder MIB =
@@ -170,7 +216,7 @@ void ARMFrameInfo::emitPrologue(MachineFunction &MF) const {
       AFI->setShouldRestoreSPFromFP(true);
   }
 
-  if (STI.isTargetELF() && RegInfo->hasFP(MF)) {
+  if (STI.isTargetELF() && hasFP(MF)) {
     MFI->setOffsetAdjustment(MFI->getOffsetAdjustment() -
                              AFI->getFramePtrSpillOffset());
     AFI->setShouldRestoreSPFromFP(true);
diff --git a/lib/Target/ARM/ARMFrameInfo.h b/lib/Target/ARM/ARMFrameInfo.h
index 9ea97e8..5a0e890 100644
--- a/lib/Target/ARM/ARMFrameInfo.h
+++ b/lib/Target/ARM/ARMFrameInfo.h
@@ -34,6 +34,10 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
+  bool hasReservedCallFrame(const MachineFunction &MF) const;
+  bool canSimplifyCallFramePseudos(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index ff429c7..299009b 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -891,13 +891,15 @@ Sched::Preference ARMTargetLowering::getSchedulingPreference(SDNode *N) const {
 unsigned
 ARMTargetLowering::getRegPressureLimit(const TargetRegisterClass *RC,
                                        MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   switch (RC->getID()) {
   default:
     return 0;
   case ARM::tGPRRegClassID:
-    return RegInfo->hasFP(MF) ? 4 : 5;
+    return TFI->hasFP(MF) ? 4 : 5;
   case ARM::GPRRegClassID: {
-    unsigned FP = RegInfo->hasFP(MF) ? 1 : 0;
+    unsigned FP = TFI->hasFP(MF) ? 1 : 0;
     return 10 - FP - (Subtarget->isR9Reserved() ? 1 : 0);
   }
   case ARM::SPRRegClassID:  // Currently not used as 'rep' register class.
diff --git a/lib/Target/ARM/Thumb1FrameInfo.cpp b/lib/Target/ARM/Thumb1FrameInfo.cpp
index cc8d0ab..6a3c1e1 100644
--- a/lib/Target/ARM/Thumb1FrameInfo.cpp
+++ b/lib/Target/ARM/Thumb1FrameInfo.cpp
@@ -20,6 +20,19 @@
 
 using namespace llvm;
 
+bool Thumb1FrameInfo::hasReservedCallFrame(const MachineFunction &MF) const {
+  const MachineFrameInfo *FFI = MF.getFrameInfo();
+  unsigned CFSize = FFI->getMaxCallFrameSize();
+  // It's not always a good idea to include the call frame as part of the
+  // stack frame. ARM (especially Thumb) has small immediate offset to
+  // address the stack frame. So a large call frame can cause poor codegen
+  // and may even makes it impossible to scavenge a register.
+  if (CFSize >= ((1 << 8) - 1) * 4 / 2) // Half of imm8 * 4
+    return false;
+
+  return !MF.getFrameInfo()->hasVarSizedObjects();
+}
+
 static void emitSPUpdate(MachineBasicBlock &MBB,
                          MachineBasicBlock::iterator &MBBI,
                          const TargetInstrInfo &TII, DebugLoc dl,
@@ -105,7 +118,7 @@ void Thumb1FrameInfo::emitPrologue(MachineFunction &MF) const {
   }
 
   // Adjust FP so it point to the stack slot that contains the previous FP.
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     BuildMI(MBB, MBBI, dl, TII.get(ARM::tADDrSPi), FramePtr)
       .addFrameIndex(FramePtrSpillFI).addImm(0);
     AFI->setShouldRestoreSPFromFP(true);
@@ -126,7 +139,7 @@ void Thumb1FrameInfo::emitPrologue(MachineFunction &MF) const {
     emitSPUpdate(MBB, MBBI, TII, dl, *RegInfo, -NumBytes);
   }
 
-  if (STI.isTargetELF() && RegInfo->hasFP(MF))
+  if (STI.isTargetELF() && hasFP(MF))
     MFI->setOffsetAdjustment(MFI->getOffsetAdjustment() -
                              AFI->getFramePtrSpillOffset());
 
diff --git a/lib/Target/ARM/Thumb1FrameInfo.h b/lib/Target/ARM/Thumb1FrameInfo.h
index 36be446..f2ecaf1 100644
--- a/lib/Target/ARM/Thumb1FrameInfo.h
+++ b/lib/Target/ARM/Thumb1FrameInfo.h
@@ -34,6 +34,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasReservedCallFrame(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp
index 8b4f018..7b501df 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -68,19 +68,6 @@ void Thumb1RegisterInfo::emitLoadConstPool(MachineBasicBlock &MBB,
           .addConstantPoolIndex(Idx).addImm(Pred).addReg(PredReg);
 }
 
-bool Thumb1RegisterInfo::hasReservedCallFrame(const MachineFunction &MF) const {
-  const MachineFrameInfo *FFI = MF.getFrameInfo();
-  unsigned CFSize = FFI->getMaxCallFrameSize();
-  // It's not always a good idea to include the call frame as part of the
-  // stack frame. ARM (especially Thumb) has small immediate offset to
-  // address the stack frame. So a large call frame can cause poor codegen
-  // and may even makes it impossible to scavenge a register.
-  if (CFSize >= ((1 << 8) - 1) * 4 / 2) // Half of imm8 * 4
-    return false;
-
-  return !MF.getFrameInfo()->hasVarSizedObjects();
-}
-
 
 /// emitThumbRegPlusImmInReg - Emits a series of instructions to materialize
 /// a destreg = basereg + immediate in Thumb code. Materialize the immediate
@@ -303,7 +290,9 @@ static void emitSPUpdate(MachineBasicBlock &MBB,
 void Thumb1RegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (!TFI->hasReservedCallFrame(MF)) {
     // If we have alloca, convert as follows:
     // ADJCALLSTACKDOWN -> sub, sp, sp, amount
     // ADJCALLSTACKUP   -> add, sp, sp, amount
@@ -583,6 +572,7 @@ Thumb1RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
   DebugLoc dl = MI.getDebugLoc();
 
@@ -601,7 +591,7 @@ Thumb1RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   else if (AFI->isGPRCalleeSavedArea2Frame(FrameIndex))
     Offset -= AFI->getGPRCalleeSavedArea2Offset();
   else if (MF.getFrameInfo()->hasVarSizedObjects()) {
-    assert(SPAdj == 0 && hasFP(MF) && "Unexpected");
+    assert(SPAdj == 0 && TFI->hasFP(MF) && "Unexpected");
     // There are alloca()'s in this function, must reference off the frame
     // pointer or base pointer instead.
     if (!hasBasePointer(MF)) {
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.h b/lib/Target/ARM/Thumb1RegisterInfo.h
index 45a7926..8a87cc5 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.h
+++ b/lib/Target/ARM/Thumb1RegisterInfo.h
@@ -38,8 +38,6 @@ public:
                         unsigned PredReg = 0) const;
 
   /// Code Generation virtual methods...
-  bool hasReservedCallFrame(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/Alpha/AlphaFrameInfo.cpp b/lib/Target/Alpha/AlphaFrameInfo.cpp
index 601e5db..0b25b48 100644
--- a/lib/Target/Alpha/AlphaFrameInfo.cpp
+++ b/lib/Target/Alpha/AlphaFrameInfo.cpp
@@ -34,17 +34,23 @@ static long getLower16(long l) {
   return l - h * Alpha::IMM_MULT;
 }
 
+// hasFP - Return true if the specified function should have a dedicated frame
+// pointer register.  This is true if the function has variable sized allocas or
+// if frame pointer elimination is disabled.
+//
+bool AlphaFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return MFI->hasVarSizedObjects();
+}
+
 void AlphaFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   MachineBasicBlock::iterator MBBI = MBB.begin();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  const AlphaRegisterInfo *RegInfo =
-    static_cast<const AlphaRegisterInfo*>(MF.getTarget().getRegisterInfo());
-  const AlphaInstrInfo &TII =
-    *static_cast<const AlphaInstrInfo*>(MF.getTarget().getInstrInfo());
+  const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
 
   DebugLoc dl = (MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc());
-  bool FP = RegInfo->hasFP(MF);
+  bool FP = hasFP(MF);
 
   // Handle GOP offset
   BuildMI(MBB, MBBI, dl, TII.get(Alpha::LDAHg), Alpha::R29)
@@ -99,17 +105,14 @@ void AlphaFrameInfo::emitEpilogue(MachineFunction &MF,
                                   MachineBasicBlock &MBB) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
-  const AlphaRegisterInfo *RegInfo =
-    static_cast<const AlphaRegisterInfo*>(MF.getTarget().getRegisterInfo());
-  const AlphaInstrInfo &TII =
-    *static_cast<const AlphaInstrInfo*>(MF.getTarget().getInstrInfo());
+  const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
 
   assert((MBBI->getOpcode() == Alpha::RETDAG ||
           MBBI->getOpcode() == Alpha::RETDAGp)
          && "Can only insert epilog into returning blocks");
   DebugLoc dl = MBBI->getDebugLoc();
 
-  bool FP = RegInfo->hasFP(MF);
+  bool FP = hasFP(MF);
 
   // Get the number of bytes allocated from the FrameInfo...
   long NumBytes = MFI->getStackSize();
diff --git a/lib/Target/Alpha/AlphaFrameInfo.h b/lib/Target/Alpha/AlphaFrameInfo.h
index df23523..2f822e5 100644
--- a/lib/Target/Alpha/AlphaFrameInfo.h
+++ b/lib/Target/Alpha/AlphaFrameInfo.h
@@ -34,6 +34,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index 001922d..fd3b25d 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -78,19 +78,12 @@ BitVector AlphaRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // Stack Frame Processing methods
 //===----------------------------------------------------------------------===//
 
-// hasFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-//
-bool AlphaRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return MFI->hasVarSizedObjects();
-}
-
 void AlphaRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (hasFP(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (TFI->hasFP(MF)) {
     // If we have a frame pointer, turn the adjcallstackup instruction into a
     // 'sub ESP, <amt>' and the adjcallstackdown instruction into 'add ESP,
     // <amt>'
@@ -138,7 +131,9 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
-  bool FP = hasFP(MF);
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  bool FP = TFI->hasFP(MF);
 
   while (!MI.getOperand(i).isFI()) {
     ++i;
@@ -183,7 +178,9 @@ unsigned AlphaRegisterInfo::getRARegister() const {
 }
 
 unsigned AlphaRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? Alpha::R15 : Alpha::R30;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? Alpha::R15 : Alpha::R30;
 }
 
 unsigned AlphaRegisterInfo::getEHExceptionRegister() const {
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.h b/lib/Target/Alpha/AlphaRegisterInfo.h
index 9ff4175..b0d4dd0 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.h
+++ b/lib/Target/Alpha/AlphaRegisterInfo.h
@@ -32,8 +32,6 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/Blackfin/BlackfinFrameInfo.cpp b/lib/Target/Blackfin/BlackfinFrameInfo.cpp
index 83f28b0..4f9054b 100644
--- a/lib/Target/Blackfin/BlackfinFrameInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinFrameInfo.cpp
@@ -16,10 +16,20 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/Target/TargetOptions.h"
 
 using namespace llvm;
 
 
+// hasFP - Return true if the specified function should have a dedicated frame
+// pointer register.  This is true if the function has variable sized allocas or
+// if frame pointer elimination is disabled.
+bool BlackfinFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return DisableFramePointerElim(MF) ||
+    MFI->adjustsStack() || MFI->hasVarSizedObjects();
+}
+
 // Emit a prologue that sets up a stack frame.
 // On function entry, R0-R2 and P0 may hold arguments.
 // R3, P1, and P2 may be used as scratch registers
@@ -40,7 +50,7 @@ void BlackfinFrameInfo::emitPrologue(MachineFunction &MF) const {
     MFI->setStackSize(FrameSize);
   }
 
-  if (!RegInfo->hasFP(MF)) {
+  if (!hasFP(MF)) {
     assert(!MFI->adjustsStack() &&
            "FP elimination on a non-leaf function is not supported");
     RegInfo->adjustRegister(MBB, MBBI, dl, BF::SP, BF::P1, -FrameSize);
@@ -85,7 +95,7 @@ void BlackfinFrameInfo::emitEpilogue(MachineFunction &MF,
   int FrameSize = MFI->getStackSize();
   assert(FrameSize%4 == 0 && "Misaligned frame size");
 
-  if (!RegInfo->hasFP(MF)) {
+  if (!hasFP(MF)) {
     assert(!MFI->adjustsStack() &&
            "FP elimination on a non-leaf function is not supported");
     RegInfo->adjustRegister(MBB, MBBI, dl, BF::SP, BF::P1, FrameSize);
diff --git a/lib/Target/Blackfin/BlackfinFrameInfo.h b/lib/Target/Blackfin/BlackfinFrameInfo.h
index ff8ba2d..3b53f34 100644
--- a/lib/Target/Blackfin/BlackfinFrameInfo.h
+++ b/lib/Target/Blackfin/BlackfinFrameInfo.h
@@ -34,6 +34,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
index 4f827b7..23df625 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
@@ -50,6 +50,8 @@ BlackfinRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector
 BlackfinRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   using namespace BF;
   BitVector Reserved(getNumRegs());
   Reserved.set(AZ);
@@ -70,20 +72,11 @@ BlackfinRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   Reserved.set(L3);
   Reserved.set(SP);
   Reserved.set(RETS);
-  if (hasFP(MF))
+  if (TFI->hasFP(MF))
     Reserved.set(FP);
   return Reserved;
 }
 
-// hasFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-bool BlackfinRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return DisableFramePointerElim(MF) ||
-    MFI->adjustsStack() || MFI->hasVarSizedObjects();
-}
-
 bool BlackfinRegisterInfo::
 requiresRegisterScavenging(const MachineFunction &MF) const {
   return true;
@@ -161,7 +154,9 @@ void BlackfinRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF,
                               MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (!TFI->hasReservedCallFrame(MF)) {
     int64_t Amount = I->getOperand(0).getImm();
     if (Amount != 0) {
       assert(Amount%4 == 0 && "Unaligned call frame size");
@@ -196,6 +191,7 @@ BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   DebugLoc DL = MI.getDebugLoc();
 
   unsigned FIPos;
@@ -208,7 +204,7 @@ BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex)
     + MI.getOperand(FIPos+1).getImm();
   unsigned BaseReg = BF::FP;
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     assert(SPAdj==0 && "Unexpected SP adjust in function with frame pointer");
   } else {
     BaseReg = BF::SP;
@@ -348,7 +344,9 @@ unsigned BlackfinRegisterInfo::getRARegister() const {
 
 unsigned
 BlackfinRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? BF::FP : BF::SP;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? BF::FP : BF::SP;
 }
 
 unsigned BlackfinRegisterInfo::getEHExceptionRegister() const {
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.h b/lib/Target/Blackfin/BlackfinRegisterInfo.h
index be08292..0c47d25 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.h
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.h
@@ -41,8 +41,6 @@ namespace llvm {
       return &BF::PRegClass;
     }
 
-    bool hasFP(const MachineFunction &MF) const;
-
     // bool hasReservedCallFrame(MachineFunction &MF) const;
 
     bool requiresRegisterScavenging(const MachineFunction &MF) const;
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.td b/lib/Target/Blackfin/BlackfinRegisterInfo.td
index e1cfae9..f34e19c 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.td
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.td
@@ -252,9 +252,9 @@ def P : RegisterClass<"BF", [i32], 32, [P0, P1, P2, P3, P4, P5, FP, SP]> {
     PClass::iterator
     PClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       return allocation_order_begin(MF)
-             + (RI->hasFP(MF) ? 7 : 6);
+             + (TFI->hasFP(MF) ? 7 : 6);
     }
   }];
 }
@@ -275,9 +275,9 @@ def DP : RegisterClass<"BF", [i32], 32,
     DPClass::iterator
     DPClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       return allocation_order_begin(MF)
-             + (RI->hasFP(MF) ? 15 : 14);
+             + (TFI->hasFP(MF) ? 15 : 14);
     }
   }];
 }
@@ -295,9 +295,9 @@ def GR : RegisterClass<"BF", [i32], 32,
     GRClass::iterator
     GRClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       return allocation_order_begin(MF)
-             + (RI->hasFP(MF) ? 31 : 30);
+             + (TFI->hasFP(MF) ? 31 : 30);
     }
   }];
 }
@@ -318,9 +318,9 @@ def ALL : RegisterClass<"BF", [i32], 32,
     ALLClass::iterator
     ALLClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       return allocation_order_begin(MF)
-             + (RI->hasFP(MF) ? 31 : 30);
+             + (TFI->hasFP(MF) ? 31 : 30);
     }
   }];
 }
@@ -334,9 +334,9 @@ def PI : RegisterClass<"BF", [i32], 32,
     PIClass::iterator
     PIClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       return allocation_order_begin(MF)
-             + (RI->hasFP(MF) ? 11 : 10);
+             + (TFI->hasFP(MF) ? 11 : 10);
     }
   }];
 }
diff --git a/lib/Target/CellSPU/SPUFrameInfo.cpp b/lib/Target/CellSPU/SPUFrameInfo.cpp
index 70ee8b8..b1a09ad 100644
--- a/lib/Target/CellSPU/SPUFrameInfo.cpp
+++ b/lib/Target/CellSPU/SPUFrameInfo.cpp
@@ -39,6 +39,18 @@ SPUFrameInfo::SPUFrameInfo(const SPUSubtarget &sti)
 }
 
 
+//--------------------------------------------------------------------------
+// hasFP - Return true if the specified function actually has a dedicated frame
+// pointer register.  This is true if the function needs a frame pointer and has
+// a non-zero stack size.
+bool SPUFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+
+  return MFI->getStackSize() &&
+    (DisableFramePointerElim(MF) || MFI->hasVarSizedObjects());
+}
+
+
 /// determineFrameLayout - Determine the size of the frame and maximum call
 /// frame size.
 void SPUFrameInfo::determineFrameLayout(MachineFunction &MF) const {
diff --git a/lib/Target/CellSPU/SPUFrameInfo.h b/lib/Target/CellSPU/SPUFrameInfo.h
index 89ce1e9..a705a9f 100644
--- a/lib/Target/CellSPU/SPUFrameInfo.h
+++ b/lib/Target/CellSPU/SPUFrameInfo.h
@@ -37,6 +37,9 @@ namespace llvm {
     void emitPrologue(MachineFunction &MF) const;
     void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
 
+    //! Prediate: Target has dedicated frame pointer
+    bool hasFP(const MachineFunction &MF) const;
+
     //! Return a function's saved spill slots
     /*!
       For CellSPU, a function's saved spill slots is just the link register.
diff --git a/lib/Target/CellSPU/SPURegisterInfo.cpp b/lib/Target/CellSPU/SPURegisterInfo.cpp
index 0928a9c..f399437 100644
--- a/lib/Target/CellSPU/SPURegisterInfo.cpp
+++ b/lib/Target/CellSPU/SPURegisterInfo.cpp
@@ -240,25 +240,6 @@ BitVector SPURegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // Stack Frame Processing methods
 //===----------------------------------------------------------------------===//
 
-// needsFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-//
-static bool needsFP(const MachineFunction &MF) {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
-}
-
-//--------------------------------------------------------------------------
-// hasFP - Return true if the specified function actually has a dedicated frame
-// pointer register.  This is true if the function needs a frame pointer and has
-// a non-zero stack size.
-bool
-SPURegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return MFI->getStackSize() && needsFP(MF);
-}
-
 //--------------------------------------------------------------------------
 void
 SPURegisterInfo::eliminateCallFramePseudoInstr(MachineFunction &MF,
diff --git a/lib/Target/CellSPU/SPURegisterInfo.h b/lib/Target/CellSPU/SPURegisterInfo.h
index 088157e..70eeaf9 100644
--- a/lib/Target/CellSPU/SPURegisterInfo.h
+++ b/lib/Target/CellSPU/SPURegisterInfo.h
@@ -56,8 +56,6 @@ namespace llvm {
     //! Return the reserved registers
     BitVector getReservedRegs(const MachineFunction &MF) const;
 
-    //! Prediate: Target has dedicated frame pointer
-    bool hasFP(const MachineFunction &MF) const;
     //! Eliminate the call frame setup pseudo-instructions
     void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                        MachineBasicBlock &MBB,
diff --git a/lib/Target/MBlaze/MBlazeFrameInfo.cpp b/lib/Target/MBlaze/MBlazeFrameInfo.cpp
index c1209a4..09f8e43 100644
--- a/lib/Target/MBlaze/MBlazeFrameInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeFrameInfo.cpp
@@ -40,11 +40,17 @@ using namespace llvm;
 //
 //===----------------------------------------------------------------------===//
 
+// hasFP - Return true if the specified function should have a dedicated frame
+// pointer register.  This is true if the function has variable sized allocas or
+// if frame pointer elimination is disabled.
+bool MBlazeFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
+}
+
 void MBlazeFrameInfo::adjustMBlazeStackFrame(MachineFunction &MF) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MBlazeFunctionInfo *MBlazeFI = MF.getInfo<MBlazeFunctionInfo>();
-  const MBlazeRegisterInfo *RegInfo =
-    static_cast<const MBlazeRegisterInfo*>(MF.getTarget().getRegisterInfo());
 
   // See the description at MicroBlazeMachineFunction.h
   int TopCPUSavedRegOff = -1;
@@ -61,7 +67,7 @@ void MBlazeFrameInfo::adjustMBlazeStackFrame(MachineFunction &MF) const {
   MBlazeFI->adjustLoadArgsFI(MFI);
   MBlazeFI->adjustStoreVarArgsFI(MFI);
 
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     MFI->setObjectOffset(MFI->CreateStackObject(RegSize, RegSize, true),
                          StackOffset);
     MBlazeFI->setFPStackOffset(StackOffset);
@@ -90,8 +96,6 @@ void MBlazeFrameInfo::adjustMBlazeStackFrame(MachineFunction &MF) const {
 void MBlazeFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB   = MF.front();
   MachineFrameInfo *MFI    = MF.getFrameInfo();
-  const MBlazeRegisterInfo *RegInfo =
-    static_cast<const MBlazeRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const MBlazeInstrInfo &TII =
     *static_cast<const MBlazeInstrInfo*>(MF.getTarget().getInstrInfo());
   MBlazeFunctionInfo *MBlazeFI = MF.getInfo<MBlazeFunctionInfo>();
@@ -124,7 +128,7 @@ void MBlazeFrameInfo::emitPrologue(MachineFunction &MF) const {
 
   // if framepointer enabled, save it and set it
   // to point to the stack pointer
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // swi  R19, R1, stack_loc
     BuildMI(MBB, MBBI, DL, TII.get(MBlaze::SWI))
       .addReg(MBlaze::R19).addReg(MBlaze::R1).addImm(FPOffset);
@@ -139,9 +143,7 @@ void MBlazeFrameInfo::emitEpilogue(MachineFunction &MF,
                                    MachineBasicBlock &MBB) const {
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
   MachineFrameInfo *MFI            = MF.getFrameInfo();
-  MBlazeFunctionInfo *MBlazeFI         = MF.getInfo<MBlazeFunctionInfo>();
-  const MBlazeRegisterInfo *RegInfo =
-    static_cast<const MBlazeRegisterInfo*>(MF.getTarget().getRegisterInfo());
+  MBlazeFunctionInfo *MBlazeFI     = MF.getInfo<MBlazeFunctionInfo>();
   const MBlazeInstrInfo &TII =
     *static_cast<const MBlazeInstrInfo*>(MF.getTarget().getInstrInfo());
 
@@ -153,7 +155,7 @@ void MBlazeFrameInfo::emitEpilogue(MachineFunction &MF,
 
   // if framepointer enabled, restore it and restore the
   // stack pointer
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // add R1, R19, R0
     BuildMI(MBB, MBBI, dl, TII.get(MBlaze::ADD), MBlaze::R1)
       .addReg(MBlaze::R19).addReg(MBlaze::R0);
diff --git a/lib/Target/MBlaze/MBlazeFrameInfo.h b/lib/Target/MBlaze/MBlazeFrameInfo.h
index 3e96ee3..204d2f8 100644
--- a/lib/Target/MBlaze/MBlazeFrameInfo.h
+++ b/lib/Target/MBlaze/MBlazeFrameInfo.h
@@ -41,6 +41,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/MBlaze/MBlazeRegisterInfo.cpp b/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
index 37a30c7..f74eea7 100644
--- a/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
@@ -164,14 +164,6 @@ getReservedRegs(const MachineFunction &MF) const {
   return Reserved;
 }
 
-// hasFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-bool MBlazeRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
-}
-
 // This function eliminate ADJCALLSTACKDOWN,
 // ADJCALLSTACKUP pseudo instructions
 void MBlazeRegisterInfo::
@@ -235,7 +227,9 @@ unsigned MBlazeRegisterInfo::getRARegister() const {
 }
 
 unsigned MBlazeRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? MBlaze::R19 : MBlaze::R1;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? MBlaze::R19 : MBlaze::R1;
 }
 
 unsigned MBlazeRegisterInfo::getEHExceptionRegister() const {
diff --git a/lib/Target/MBlaze/MBlazeRegisterInfo.h b/lib/Target/MBlaze/MBlazeRegisterInfo.h
index 356a11f..ac1635b 100644
--- a/lib/Target/MBlaze/MBlazeRegisterInfo.h
+++ b/lib/Target/MBlaze/MBlazeRegisterInfo.h
@@ -56,8 +56,6 @@ struct MBlazeRegisterInfo : public MBlazeGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/MSP430/MSP430FrameInfo.cpp b/lib/Target/MSP430/MSP430FrameInfo.cpp
index 42a44a7..0a39a36 100644
--- a/lib/Target/MSP430/MSP430FrameInfo.cpp
+++ b/lib/Target/MSP430/MSP430FrameInfo.cpp
@@ -26,12 +26,22 @@
 
 using namespace llvm;
 
+bool MSP430FrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+
+  return (DisableFramePointerElim(MF) ||
+          MF.getFrameInfo()->hasVarSizedObjects() ||
+          MFI->isFrameAddressTaken());
+}
+
+bool MSP430FrameInfo::hasReservedCallFrame(const MachineFunction &MF) const {
+  return !MF.getFrameInfo()->hasVarSizedObjects();
+}
+
 void MSP430FrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MSP430MachineFunctionInfo *MSP430FI = MF.getInfo<MSP430MachineFunctionInfo>();
-  const MSP430RegisterInfo *RegInfo =
-    static_cast<const MSP430RegisterInfo*>(MF.getTarget().getRegisterInfo());
   const MSP430InstrInfo &TII =
     *static_cast<const MSP430InstrInfo*>(MF.getTarget().getInstrInfo());
 
@@ -42,7 +52,7 @@ void MSP430FrameInfo::emitPrologue(MachineFunction &MF) const {
   uint64_t StackSize = MFI->getStackSize();
 
   uint64_t NumBytes = 0;
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // Calculate required stack adjustment
     uint64_t FrameSize = StackSize - 2;
     NumBytes = FrameSize - MSP430FI->getCalleeSavedFrameSize();
@@ -97,8 +107,6 @@ void MSP430FrameInfo::emitEpilogue(MachineFunction &MF,
                                    MachineBasicBlock &MBB) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   MSP430MachineFunctionInfo *MSP430FI = MF.getInfo<MSP430MachineFunctionInfo>();
-  const MSP430RegisterInfo *RegInfo =
-    static_cast<const MSP430RegisterInfo*>(MF.getTarget().getRegisterInfo());
   const MSP430InstrInfo &TII =
     *static_cast<const MSP430InstrInfo*>(MF.getTarget().getInstrInfo());
 
@@ -118,7 +126,7 @@ void MSP430FrameInfo::emitEpilogue(MachineFunction &MF,
   unsigned CSSize = MSP430FI->getCalleeSavedFrameSize();
   uint64_t NumBytes = 0;
 
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // Calculate required stack adjustment
     uint64_t FrameSize = StackSize - 2;
     NumBytes = FrameSize - CSSize;
diff --git a/lib/Target/MSP430/MSP430FrameInfo.h b/lib/Target/MSP430/MSP430FrameInfo.h
index aa4198f..00bf99d 100644
--- a/lib/Target/MSP430/MSP430FrameInfo.h
+++ b/lib/Target/MSP430/MSP430FrameInfo.h
@@ -34,6 +34,9 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
+  bool hasReservedCallFrame(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/MSP430/MSP430RegisterInfo.cpp b/lib/Target/MSP430/MSP430RegisterInfo.cpp
index 12acf9c..646375c 100644
--- a/lib/Target/MSP430/MSP430RegisterInfo.cpp
+++ b/lib/Target/MSP430/MSP430RegisterInfo.cpp
@@ -38,6 +38,7 @@ MSP430RegisterInfo::MSP430RegisterInfo(MSP430TargetMachine &tm,
 
 const unsigned*
 MSP430RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
+  const TargetFrameInfo *TFI = MF->getTarget().getFrameInfo();
   const Function* F = MF->getFunction();
   static const unsigned CalleeSavedRegs[] = {
     MSP430::FPW, MSP430::R5W, MSP430::R6W, MSP430::R7W,
@@ -62,7 +63,7 @@ MSP430RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
     0
   };
 
-  if (hasFP(*MF))
+  if (TFI->hasFP(*MF))
     return (F->getCallingConv() == CallingConv::MSP430_INTR ?
             CalleeSavedRegsIntrFP : CalleeSavedRegsFP);
   else
@@ -73,6 +74,7 @@ MSP430RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector MSP430RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
   // Mark 4 special registers as reserved.
   Reserved.set(MSP430::PCW);
@@ -81,7 +83,7 @@ BitVector MSP430RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   Reserved.set(MSP430::CGW);
 
   // Mark frame pointer as reserved if needed.
-  if (hasFP(MF))
+  if (TFI->hasFP(MF))
     Reserved.set(MSP430::FPW);
 
   return Reserved;
@@ -92,23 +94,12 @@ MSP430RegisterInfo::getPointerRegClass(unsigned Kind) const {
   return &MSP430::GR16RegClass;
 }
 
-
-bool MSP430RegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-
-  return (DisableFramePointerElim(MF) ||
-          MF.getFrameInfo()->hasVarSizedObjects() ||
-          MFI->isFrameAddressTaken());
-}
-
-bool MSP430RegisterInfo::hasReservedCallFrame(const MachineFunction &MF) const {
-  return !MF.getFrameInfo()->hasVarSizedObjects();
-}
-
 void MSP430RegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (!TFI->hasReservedCallFrame(MF)) {
     // If the stack pointer can be changed after prologue, turn the
     // adjcallstackup instruction into a 'sub SPW, <amt>' and the
     // adjcallstackdown instruction into 'add SPW, <amt>'
@@ -172,6 +163,7 @@ MSP430RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineInstr &MI = *II;
   MachineBasicBlock &MBB = *MI.getParent();
   MachineFunction &MF = *MBB.getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   DebugLoc dl = MI.getDebugLoc();
   while (!MI.getOperand(i).isFI()) {
     ++i;
@@ -180,13 +172,13 @@ MSP430RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 
   int FrameIndex = MI.getOperand(i).getIndex();
 
-  unsigned BasePtr = (hasFP(MF) ? MSP430::FPW : MSP430::SPW);
+  unsigned BasePtr = (TFI->hasFP(MF) ? MSP430::FPW : MSP430::SPW);
   int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex);
 
   // Skip the saved PC
   Offset += 2;
 
-  if (!hasFP(MF))
+  if (!TFI->hasFP(MF))
     Offset += MF.getFrameInfo()->getStackSize();
   else
     Offset += 2; // Skip the saved FPW
@@ -224,8 +216,10 @@ MSP430RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 void
 MSP430RegisterInfo::processFunctionBeforeFrameFinalized(MachineFunction &MF)
                                                                          const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   // Create a frame entry for the FPW register that must be saved.
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     int FrameIdx = MF.getFrameInfo()->CreateFixedObject(2, -4, true);
     (void)FrameIdx;
     assert(FrameIdx == MF.getFrameInfo()->getObjectIndexBegin() &&
@@ -238,7 +232,9 @@ unsigned MSP430RegisterInfo::getRARegister() const {
 }
 
 unsigned MSP430RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? MSP430::FPW : MSP430::SPW;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? MSP430::FPW : MSP430::SPW;
 }
 
 int MSP430RegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
diff --git a/lib/Target/MSP430/MSP430RegisterInfo.h b/lib/Target/MSP430/MSP430RegisterInfo.h
index d0cf2f8..56744fa 100644
--- a/lib/Target/MSP430/MSP430RegisterInfo.h
+++ b/lib/Target/MSP430/MSP430RegisterInfo.h
@@ -39,9 +39,6 @@ public:
   BitVector getReservedRegs(const MachineFunction &MF) const;
   const TargetRegisterClass* getPointerRegClass(unsigned Kind = 0) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-  bool hasReservedCallFrame(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/MSP430/MSP430RegisterInfo.td b/lib/Target/MSP430/MSP430RegisterInfo.td
index f8aec66..cca02e0 100644
--- a/lib/Target/MSP430/MSP430RegisterInfo.td
+++ b/lib/Target/MSP430/MSP430RegisterInfo.td
@@ -79,10 +79,10 @@ def GR8 : RegisterClass<"MSP430", [i8], 8,
     GR8Class::iterator
     GR8Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       // Depending on whether the function uses frame pointer or not, last 5 or 4
       // registers on the list above are reserved
-      if (RI->hasFP(MF))
+      if (TFI->hasFP(MF))
         return end()-5;
       else
         return end()-4;
@@ -106,10 +106,10 @@ def GR16 : RegisterClass<"MSP430", [i16], 16,
     GR16Class::iterator
     GR16Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       // Depending on whether the function uses frame pointer or not, last 5 or 4
       // registers on the list above are reserved
-      if (RI->hasFP(MF))
+      if (TFI->hasFP(MF))
         return end()-5;
       else
         return end()-4;
diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index 6660f6b..4b46d61 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -125,9 +125,10 @@ namespace {
 // Create a bitmask with all callee saved registers for CPU or Floating Point 
 // registers. For CPU registers consider RA, GP and FP for saving if necessary.
 void MipsAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
-  const TargetRegisterInfo &RI = *TM.getRegisterInfo();
+  const TargetFrameInfo *TFI = TM.getFrameInfo();
+  const TargetRegisterInfo *RI = TM.getRegisterInfo();
   const MipsFunctionInfo *MipsFI = MF->getInfo<MipsFunctionInfo>();
-             
+
   // CPU and FPU Saved Registers Bitmasks
   unsigned int CPUBitmask = 0;
   unsigned int FPUBitmask = 0;
@@ -145,13 +146,13 @@ void MipsAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
   }
 
   // Return Address and Frame registers must also be set in CPUBitmask.
-  if (RI.hasFP(*MF)) 
+  if (TFI->hasFP(*MF))
     CPUBitmask |= (1 << MipsRegisterInfo::
-                getRegisterNumbering(RI.getFrameRegister(*MF)));
-  
-  if (MFI->adjustsStack()) 
+                getRegisterNumbering(RI->getFrameRegister(*MF)));
+
+  if (MFI->adjustsStack())
     CPUBitmask |= (1 << MipsRegisterInfo::
-                getRegisterNumbering(RI.getRARegister()));
+                getRegisterNumbering(RI->getRARegister()));
 
   // Print CPUBitmask
   O << "\t.mask \t"; printHex32(CPUBitmask, O);
diff --git a/lib/Target/Mips/MipsFrameInfo.cpp b/lib/Target/Mips/MipsFrameInfo.cpp
index 29e8bc5..c062b6b 100644
--- a/lib/Target/Mips/MipsFrameInfo.cpp
+++ b/lib/Target/Mips/MipsFrameInfo.cpp
@@ -79,11 +79,17 @@ using namespace llvm;
 //
 //===----------------------------------------------------------------------===//
 
+// hasFP - Return true if the specified function should have a dedicated frame
+// pointer register.  This is true if the function has variable sized allocas or
+// if frame pointer elimination is disabled.
+bool MipsFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
+}
+
 void MipsFrameInfo::adjustMipsStackFrame(MachineFunction &MF) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
-  const MipsRegisterInfo *RegInfo =
-    static_cast<const MipsRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
   unsigned StackAlign = MF.getTarget().getFrameInfo()->getStackAlignment();
   unsigned RegSize = STI.isGP32bit() ? 4 : 8;
@@ -152,7 +158,7 @@ void MipsFrameInfo::adjustMipsStackFrame(MachineFunction &MF) const {
 
   // Stack locations for FP and RA. If only one of them is used,
   // the space must be allocated for both, otherwise no space at all.
-  if (RegInfo->hasFP(MF) || MFI->adjustsStack()) {
+  if (hasFP(MF) || MFI->adjustsStack()) {
     // FP stack location
     MFI->setObjectOffset(MFI->CreateStackObject(RegSize, RegSize, true),
                          StackOffset);
@@ -242,7 +248,7 @@ void MipsFrameInfo::emitPrologue(MachineFunction &MF) const {
 
   // if framepointer enabled, save it and set it
   // to point to the stack pointer
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // sw  $fp,stack_loc($sp)
     BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
       .addReg(Mips::FP).addImm(FPOffset).addReg(Mips::SP);
@@ -263,8 +269,6 @@ void MipsFrameInfo::emitEpilogue(MachineFunction &MF,
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
   MachineFrameInfo *MFI            = MF.getFrameInfo();
   MipsFunctionInfo *MipsFI         = MF.getInfo<MipsFunctionInfo>();
-  const MipsRegisterInfo *RegInfo =
-    static_cast<const MipsRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const MipsInstrInfo &TII =
     *static_cast<const MipsInstrInfo*>(MF.getTarget().getInstrInfo());
   DebugLoc dl = MBBI->getDebugLoc();
@@ -278,7 +282,7 @@ void MipsFrameInfo::emitEpilogue(MachineFunction &MF,
 
   // if framepointer enabled, restore it and restore the
   // stack pointer
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // move $sp, $fp
     BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDu), Mips::SP)
       .addReg(Mips::FP).addReg(Mips::ZERO);
diff --git a/lib/Target/Mips/MipsFrameInfo.h b/lib/Target/Mips/MipsFrameInfo.h
index 971e653..2cbaa21 100644
--- a/lib/Target/Mips/MipsFrameInfo.h
+++ b/lib/Target/Mips/MipsFrameInfo.h
@@ -37,6 +37,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index fd221c4..3612f36 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -117,8 +117,7 @@ getCalleeSavedRegs(const MachineFunction *MF) const
 }
 
 BitVector MipsRegisterInfo::
-getReservedRegs(const MachineFunction &MF) const
-{
+getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
   Reserved.set(Mips::ZERO);
   Reserved.set(Mips::AT);
@@ -137,15 +136,6 @@ getReservedRegs(const MachineFunction &MF) const
   return Reserved;
 }
 
-// hasFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-bool MipsRegisterInfo::
-hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
-}
-
 // This function eliminate ADJCALLSTACKDOWN, 
 // ADJCALLSTACKUP pseudo instructions
 void MipsRegisterInfo::
@@ -209,7 +199,9 @@ getRARegister() const {
 
 unsigned MipsRegisterInfo::
 getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? Mips::FP : Mips::SP;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  return TFI->hasFP(MF) ? Mips::FP : Mips::SP;
 }
 
 unsigned MipsRegisterInfo::
diff --git a/lib/Target/Mips/MipsRegisterInfo.h b/lib/Target/Mips/MipsRegisterInfo.h
index a3395e3..a7f4bf9 100644
--- a/lib/Target/Mips/MipsRegisterInfo.h
+++ b/lib/Target/Mips/MipsRegisterInfo.h
@@ -44,8 +44,6 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/PTX/PTXFrameInfo.h b/lib/Target/PTX/PTXFrameInfo.h
index 6790120..d11780a 100644
--- a/lib/Target/PTX/PTXFrameInfo.h
+++ b/lib/Target/PTX/PTXFrameInfo.h
@@ -34,6 +34,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const { return false; }
 };
 
 } // End llvm namespace
diff --git a/lib/Target/PTX/PTXRegisterInfo.h b/lib/Target/PTX/PTXRegisterInfo.h
index 4e5b4b1..67e130f 100644
--- a/lib/Target/PTX/PTXRegisterInfo.h
+++ b/lib/Target/PTX/PTXRegisterInfo.h
@@ -38,8 +38,6 @@ struct PTXRegisterInfo : public PTXGenRegisterInfo {
     return Reserved; // reserve no regs
   }
 
-  virtual bool hasFP(const MachineFunction &MF) const { return false; }
-
   virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI,
                                    int SPAdj,
                                    RegScavenger *RS = NULL) const {
diff --git a/lib/Target/PowerPC/PPCFrameInfo.cpp b/lib/Target/PowerPC/PPCFrameInfo.cpp
index 3823e3f..453975c 100644
--- a/lib/Target/PowerPC/PPCFrameInfo.cpp
+++ b/lib/Target/PowerPC/PPCFrameInfo.cpp
@@ -222,12 +222,25 @@ void PPCFrameInfo::determineFrameLayout(MachineFunction &MF) const {
   MFI->setStackSize(FrameSize);
 }
 
+// hasFP - Return true if the specified function actually has a dedicated frame
+// pointer register.
+bool PPCFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+
+  // Naked functions have no stack frame pushed, so we don't have a frame
+  // pointer.
+  if (MF.getFunction()->hasFnAttr(Attribute::Naked))
+    return false;
+
+  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects() ||
+    (GuaranteedTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall());
+}
+
+
 void PPCFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   MachineBasicBlock::iterator MBBI = MBB.begin();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  const PPCRegisterInfo *RegInfo =
-    static_cast<const PPCRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const PPCInstrInfo &TII =
     *static_cast<const PPCInstrInfo*>(MF.getTarget().getInstrInfo());
 
@@ -266,7 +279,7 @@ void PPCFrameInfo::emitPrologue(MachineFunction &MF) const {
   PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>();
   bool MustSaveLR = FI->mustSaveLR();
   // Do we have a frame pointer for this function?
-  bool HasFP = RegInfo->hasFP(MF) && FrameSize;
+  bool HasFP = hasFP(MF) && FrameSize;
 
   int LROffset = PPCFrameInfo::getReturnSaveOffset(isPPC64, isDarwinABI);
 
@@ -471,21 +484,19 @@ void PPCFrameInfo::emitPrologue(MachineFunction &MF) const {
 void PPCFrameInfo::emitEpilogue(MachineFunction &MF,
                                 MachineBasicBlock &MBB) const {
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
-  const PPCRegisterInfo *RegInfo =
-    static_cast<const PPCRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const PPCInstrInfo &TII =
     *static_cast<const PPCInstrInfo*>(MF.getTarget().getInstrInfo());
 
   unsigned RetOpcode = MBBI->getOpcode();
   DebugLoc dl;
 
-  assert( (RetOpcode == PPC::BLR ||
-           RetOpcode == PPC::TCRETURNri ||
-           RetOpcode == PPC::TCRETURNdi ||
-           RetOpcode == PPC::TCRETURNai ||
-           RetOpcode == PPC::TCRETURNri8 ||
-           RetOpcode == PPC::TCRETURNdi8 ||
-           RetOpcode == PPC::TCRETURNai8) &&
+  assert((RetOpcode == PPC::BLR ||
+          RetOpcode == PPC::TCRETURNri ||
+          RetOpcode == PPC::TCRETURNdi ||
+          RetOpcode == PPC::TCRETURNai ||
+          RetOpcode == PPC::TCRETURNri8 ||
+          RetOpcode == PPC::TCRETURNdi8 ||
+          RetOpcode == PPC::TCRETURNai8) &&
          "Can only insert epilog into returning blocks");
 
   // Get alignment info so we know how to restore r1
@@ -504,7 +515,7 @@ void PPCFrameInfo::emitEpilogue(MachineFunction &MF,
   PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>();
   bool MustSaveLR = FI->mustSaveLR();
   // Do we have a frame pointer for this function?
-  bool HasFP = RegInfo->hasFP(MF) && FrameSize;
+  bool HasFP = hasFP(MF) && FrameSize;
 
   int LROffset = PPCFrameInfo::getReturnSaveOffset(isPPC64, isDarwinABI);
 
@@ -550,7 +561,7 @@ void PPCFrameInfo::emitEpilogue(MachineFunction &MF,
       // call which invalidates the stack pointer value in SP(0). So we use the
       // value of R31 in this case.
       if (FI->hasFastCall() && isInt<16>(FrameSize)) {
-        assert(RegInfo->hasFP(MF) && "Expecting a valid the frame pointer.");
+        assert(hasFP(MF) && "Expecting a valid the frame pointer.");
         BuildMI(MBB, MBBI, dl, TII.get(PPC::ADDI), PPC::R1)
           .addReg(PPC::R31).addImm(FrameSize);
       } else if(FI->hasFastCall()) {
@@ -574,7 +585,7 @@ void PPCFrameInfo::emitEpilogue(MachineFunction &MF,
       }
     } else {
       if (FI->hasFastCall() && isInt<16>(FrameSize)) {
-        assert(RegInfo->hasFP(MF) && "Expecting a valid the frame pointer.");
+        assert(hasFP(MF) && "Expecting a valid the frame pointer.");
         BuildMI(MBB, MBBI, dl, TII.get(PPC::ADDI8), PPC::X1)
           .addReg(PPC::X31).addImm(FrameSize);
       } else if(FI->hasFastCall()) {
diff --git a/lib/Target/PowerPC/PPCFrameInfo.h b/lib/Target/PowerPC/PPCFrameInfo.h
index c04d1f5..aeaa864 100644
--- a/lib/Target/PowerPC/PPCFrameInfo.h
+++ b/lib/Target/PowerPC/PPCFrameInfo.h
@@ -37,6 +37,8 @@ public:
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
 
+  bool hasFP(const MachineFunction &MF) const;
+
   /// targetHandlesStackFrameRounding - Returns true if the target is
   /// responsible for rounding up the stack frame (probably at emitPrologue
   /// time).
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index e7293f1..0459c7f 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -259,19 +259,6 @@ PPCRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
   return Subtarget.isPPC64() ? SVR4_64_CalleeSavedRegs : SVR4_CalleeSavedRegs;
 }
 
-// needsFP - Return true if the specified function should have a dedicated frame
-// pointer register.  This is true if the function has variable sized allocas or
-// if frame pointer elimination is disabled.
-//
-static bool needsFP(const MachineFunction &MF) {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  // Naked functions have no stack frame pushed, so we don't have a frame pointer.
-  if (MF.getFunction()->hasFnAttr(Attribute::Naked))
-    return false;
-  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects() ||
-    (GuaranteedTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall());
-}
-
 static bool spillsCR(const MachineFunction &MF) {
   const PPCFunctionInfo *FuncInfo = MF.getInfo<PPCFunctionInfo>();
   return FuncInfo->isCRSpilled();
@@ -279,6 +266,8 @@ static bool spillsCR(const MachineFunction &MF) {
 
 BitVector PPCRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   Reserved.set(PPC::R0);
   Reserved.set(PPC::R1);
   Reserved.set(PPC::LR);
@@ -324,7 +313,7 @@ BitVector PPCRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
     }
   }
 
-  if (needsFP(MF))
+  if (TFI->hasFP(MF))
     Reserved.set(PPC::R31);
 
   return Reserved;
@@ -334,14 +323,6 @@ BitVector PPCRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // Stack Frame Processing methods
 //===----------------------------------------------------------------------===//
 
-// hasFP - Return true if the specified function actually has a dedicated frame
-// pointer register.  This is true if the function needs a frame pointer and has
-// a non-zero stack size.
-bool PPCRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return MFI->getStackSize() && needsFP(MF);
-}
-
 /// MustSaveLR - Return true if this function requires that we save the LR
 /// register onto the stack in the prolog and restore it in the epilog of the
 /// function.
@@ -583,6 +564,7 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MachineFunction &MF = *MBB.getParent();
   // Get the frame info.
   MachineFrameInfo *MFI = MF.getFrameInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   DebugLoc dl = MI.getDebugLoc();
 
   // Find out which operand is the frame index.
@@ -622,7 +604,8 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
     }
 
   // Replace the FrameIndex with base register with GPR1 (SP) or GPR31 (FP).
-  MI.getOperand(FIOperandNo).ChangeToRegister(hasFP(MF) ? PPC::R31 : PPC::R1,
+  MI.getOperand(FIOperandNo).ChangeToRegister(TFI->hasFP(MF) ?
+                                              PPC::R31 : PPC::R1,
                                               false);
 
   // Figure out if the offset in the instruction is shifted right two bits. This
@@ -708,6 +691,8 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 void
 PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                                                       RegScavenger *RS) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   //  Save and clear the LR state.
   PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>();
   unsigned LR = getRARegister();
@@ -719,9 +704,9 @@ PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   bool isPPC64 = Subtarget.isPPC64();
   bool isDarwinABI  = Subtarget.isDarwinABI();
   MachineFrameInfo *MFI = MF.getFrameInfo();
- 
+
   // If the frame pointer save index hasn't been defined yet.
-  if (!FPSI && needsFP(MF)) {
+  if (!FPSI && TFI->hasFP(MF)) {
     // Find out what the fix offset of the frame pointer save area.
     int FPOffset = PPCFrameInfo::getFramePointerSaveOffset(isPPC64,
                                                            isDarwinABI);
@@ -736,7 +721,7 @@ PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   if (GuaranteedTailCallOpt && (TCSPDelta = FI->getTailCallSPDelta()) < 0) {
     MF.getFrameInfo()->CreateFixedObject(-1 * TCSPDelta, TCSPDelta, true);
   }
-  
+
   // Reserve a slot closest to SP or frame pointer if we have a dynalloc or
   // a large stack, which will require scavenging a register to materialize a
   // large offset.
@@ -745,7 +730,7 @@ PPCRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   //        r0 for now.
 
   if (EnableRegisterScavenging) // FIXME (64-bit): Enable.
-    if (needsFP(MF) || spillsCR(MF)) {
+    if (TFI->hasFP(MF) || spillsCR(MF)) {
       const TargetRegisterClass *GPRC = &PPC::GPRCRegClass;
       const TargetRegisterClass *G8RC = &PPC::G8RCRegClass;
       const TargetRegisterClass *RC = isPPC64 ? G8RC : GPRC;
@@ -766,12 +751,13 @@ PPCRegisterInfo::processFunctionBeforeFrameFinalized(MachineFunction &MF)
   // Get callee saved register information.
   MachineFrameInfo *FFI = MF.getFrameInfo();
   const std::vector<CalleeSavedInfo> &CSI = FFI->getCalleeSavedInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
   // Early exit if no callee saved registers are modified!
-  if (CSI.empty() && !needsFP(MF)) {
+  if (CSI.empty() && !TFI->hasFP(MF)) {
     return;
   }
-  
+
   unsigned MinGPR = PPC::R31;
   unsigned MinG8R = PPC::X31;
   unsigned MinFPR = PPC::F31;
@@ -858,7 +844,7 @@ PPCRegisterInfo::processFunctionBeforeFrameFinalized(MachineFunction &MF)
 
   // Check whether the frame pointer register is allocated. If so, make sure it
   // is spilled to the correct offset.
-  if (needsFP(MF)) {
+  if (TFI->hasFP(MF)) {
     HasGPSaveArea = true;
     
     int FI = PFI->getFramePointerSaveIndex();
@@ -949,10 +935,12 @@ unsigned PPCRegisterInfo::getRARegister() const {
 }
 
 unsigned PPCRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   if (!Subtarget.isPPC64())
-    return hasFP(MF) ? PPC::R31 : PPC::R1;
+    return TFI->hasFP(MF) ? PPC::R31 : PPC::R1;
   else
-    return hasFP(MF) ? PPC::X31 : PPC::X1;
+    return TFI->hasFP(MF) ? PPC::X31 : PPC::X1;
 }
 
 void PPCRegisterInfo::getInitialFrameState(std::vector<MachineMove> &Moves)
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.h b/lib/Target/PowerPC/PPCRegisterInfo.h
index 3d2aa60..6e72742 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.h
+++ b/lib/Target/PowerPC/PPCRegisterInfo.h
@@ -48,8 +48,6 @@ public:
   /// FIXME (64-bit): Should be inlined.
   bool requiresRegisterScavenging(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
@@ -65,9 +63,6 @@ public:
                                             RegScavenger *RS = NULL) const;
   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
 
-  void emitPrologue(MachineFunction &MF) const;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
-
   // Debug information queries.
   unsigned getRARegister() const;
   unsigned getFrameRegister(const MachineFunction &MF) const;
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.td b/lib/Target/PowerPC/PPCRegisterInfo.td
index 8604f54..2fbd41b 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.td
+++ b/lib/Target/PowerPC/PPCRegisterInfo.td
@@ -300,13 +300,13 @@ def GPRC : RegisterClass<"PPC", [i32], 32,
       // R31 when the FP is not needed.
       // When using the 32-bit SVR4 ABI, r13 is reserved for the Small Data Area
       // pointer.
-      const PPCSubtarget &Subtarget
-        = MF.getTarget().getSubtarget<PPCSubtarget>();
-         
+      const PPCSubtarget &Subtarget = MF.getTarget().getSubtarget<PPCSubtarget>();
+      const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+   
       if (Subtarget.isPPC64() || Subtarget.isSVR4ABI())
         return end()-5;  // don't allocate R13, R31, R0, R1, LR
         
-      if (needsFP(MF))
+      if (TFI->hasFP(MF))
         return end()-4;  // don't allocate R31, R0, R1, LR
       else
         return end()-3;  // don't allocate R0, R1, LR
@@ -331,7 +331,8 @@ def G8RC : RegisterClass<"PPC", [i64], 64,
     }
     G8RCClass::iterator
     G8RCClass::allocation_order_end(const MachineFunction &MF) const {
-      if (needsFP(MF))
+      const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+      if (TFI->hasFP(MF))
         return end()-5;
       else
         return end()-4;
diff --git a/lib/Target/Sparc/SparcFrameInfo.h b/lib/Target/Sparc/SparcFrameInfo.h
index 4a6182a..2ac319a 100644
--- a/lib/Target/Sparc/SparcFrameInfo.h
+++ b/lib/Target/Sparc/SparcFrameInfo.h
@@ -32,6 +32,8 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const { return false; }
 };
 
 } // End llvm namespace
diff --git a/lib/Target/Sparc/SparcRegisterInfo.cpp b/lib/Target/Sparc/SparcRegisterInfo.cpp
index b66888c..b010d04 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -52,10 +52,6 @@ BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   return Reserved;
 }
 
-bool SparcRegisterInfo::hasFP(const MachineFunction &MF) const {
-  return false;
-}
-
 void SparcRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
diff --git a/lib/Target/Sparc/SparcRegisterInfo.h b/lib/Target/Sparc/SparcRegisterInfo.h
index 9534b93..d930b53 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.h
+++ b/lib/Target/Sparc/SparcRegisterInfo.h
@@ -34,8 +34,6 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/SystemZ/SystemZFrameInfo.cpp b/lib/Target/SystemZ/SystemZFrameInfo.cpp
index 6df0722..9d6e8a8 100644
--- a/lib/Target/SystemZ/SystemZFrameInfo.cpp
+++ b/lib/Target/SystemZ/SystemZFrameInfo.cpp
@@ -27,6 +27,15 @@
 
 using namespace llvm;
 
+
+/// needsFP - Return true if the specified function should have a dedicated
+/// frame pointer register.  This is true if the function has variable sized
+/// allocas or if frame pointer elimination is disabled.
+bool SystemZFrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
+}
+
 /// emitSPUpdate - Emit a series of instructions to increment / decrement the
 /// stack pointer by a constant value.
 static
@@ -61,8 +70,6 @@ void SystemZFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  const SystemZRegisterInfo *RegInfo =
-    static_cast<const SystemZRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const SystemZInstrInfo &TII =
     *static_cast<const SystemZInstrInfo*>(MF.getTarget().getInstrInfo());
   SystemZMachineFunctionInfo *SystemZMFI =
@@ -94,7 +101,7 @@ void SystemZFrameInfo::emitPrologue(MachineFunction &MF) const {
     emitSPUpdate(MBB, MBBI, -(int64_t)NumBytes, TII);
   }
 
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // Update R11 with the new base value...
     BuildMI(MBB, MBBI, DL, TII.get(SystemZ::MOV64rr), SystemZ::R11D)
       .addReg(SystemZ::R15D);
diff --git a/lib/Target/SystemZ/SystemZFrameInfo.h b/lib/Target/SystemZ/SystemZFrameInfo.h
index 2f97331..a37a253 100644
--- a/lib/Target/SystemZ/SystemZFrameInfo.h
+++ b/lib/Target/SystemZ/SystemZFrameInfo.h
@@ -34,6 +34,9 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasReservedCallFrame(const MachineFunction &MF) const { return true; }
+  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 1fc9d81..2cc2ad5 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -377,8 +377,8 @@ SystemZTargetLowering::LowerCCCCallTo(SDValue Chain, SDValue Callee,
                                       const SmallVectorImpl<ISD::InputArg> &Ins,
                                       DebugLoc dl, SelectionDAG &DAG,
                                       SmallVectorImpl<SDValue> &InVals) const {
-
   MachineFunction &MF = DAG.getMachineFunction();
+  const TargetFrameInfo *TFI = TM.getFrameInfo();
 
   // Offset to first argument stack slot.
   const unsigned FirstArgOffset = 160;
@@ -431,7 +431,7 @@ SystemZTargetLowering::LowerCCCCallTo(SDValue Chain, SDValue Callee,
       if (StackPtr.getNode() == 0)
         StackPtr =
           DAG.getCopyFromReg(Chain, dl,
-                             (RegInfo->hasFP(MF) ?
+                             (TFI->hasFP(MF) ?
                               SystemZ::R11D : SystemZ::R15D),
                              getPointerTy());
 
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index 367bed3..c145ce0 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -297,7 +297,7 @@ SystemZInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
   if (MI != MBB.end()) DL = MI->getDebugLoc();
 
   MachineFunction &MF = *MBB.getParent();
-  const TargetRegisterInfo *RegInfo= MF.getTarget().getRegisterInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   SystemZMachineFunctionInfo *MFI = MF.getInfo<SystemZMachineFunctionInfo>();
 
   // Restore FP registers
@@ -323,7 +323,7 @@ SystemZInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
     if (LowReg != HighReg)
       MIB.addReg(HighReg, RegState::Define);
 
-    MIB.addReg((RegInfo->hasFP(MF) ? SystemZ::R11D : SystemZ::R15D));
+    MIB.addReg(TFI->hasFP(MF) ? SystemZ::R11D : SystemZ::R15D);
     MIB.addImm(StartOffset);
     if (LowReg == HighReg)
       MIB.addReg(0);
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index e738d17..9f8555b 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -49,21 +49,15 @@ SystemZRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector SystemZRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
-  if (hasFP(MF))
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (TFI->hasFP(MF))
     Reserved.set(SystemZ::R11D);
   Reserved.set(SystemZ::R14D);
   Reserved.set(SystemZ::R15D);
   return Reserved;
 }
 
-/// needsFP - Return true if the specified function should have a dedicated
-/// frame pointer register.  This is true if the function has variable sized
-/// allocas or if frame pointer elimination is disabled.
-bool SystemZRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
-}
-
 void SystemZRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
@@ -100,6 +94,8 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   unsigned i = 0;
   MachineInstr &MI = *II;
   MachineFunction &MF = *MI.getParent()->getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   while (!MI.getOperand(i).isFI()) {
     ++i;
     assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
@@ -107,7 +103,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 
   int FrameIndex = MI.getOperand(i).getIndex();
 
-  unsigned BasePtr = (hasFP(MF) ? SystemZ::R11D : SystemZ::R15D);
+  unsigned BasePtr = (TFI->hasFP(MF) ? SystemZ::R11D : SystemZ::R15D);
 
   // This must be part of a rri or ri operand memory reference.  Replace the
   // FrameIndex with base register with BasePtr.  Add an offset to the
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.h b/lib/Target/SystemZ/SystemZRegisterInfo.h
index e376d1b..b731a68 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.h
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.h
@@ -34,9 +34,6 @@ struct SystemZRegisterInfo : public SystemZGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasReservedCallFrame(const MachineFunction &MF) const { return true; }
-  bool hasFP(const MachineFunction &MF) const;
-
   int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.td b/lib/Target/SystemZ/SystemZRegisterInfo.td
index 33be8dd..4ed9254 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.td
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.td
@@ -190,8 +190,8 @@ def GR32 : RegisterClass<"SystemZ", [i32], 32,
     GR32Class::iterator
     GR32Class::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG32_nofp;
       else
         return SystemZ_REG32;
@@ -199,8 +199,8 @@ def GR32 : RegisterClass<"SystemZ", [i32], 32,
     GR32Class::iterator
     GR32Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG32_nofp + (sizeof(SystemZ_REG32_nofp) / sizeof(unsigned));
       else
         return SystemZ_REG32 + (sizeof(SystemZ_REG32) / sizeof(unsigned));
@@ -237,8 +237,8 @@ def ADDR32 : RegisterClass<"SystemZ", [i32], 32,
     ADDR32Class::iterator
     ADDR32Class::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_ADDR32_nofp;
       else
         return SystemZ_ADDR32;
@@ -246,8 +246,8 @@ def ADDR32 : RegisterClass<"SystemZ", [i32], 32,
     ADDR32Class::iterator
     ADDR32Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_ADDR32_nofp + (sizeof(SystemZ_ADDR32_nofp) / sizeof(unsigned));
       else
         return SystemZ_ADDR32 + (sizeof(SystemZ_ADDR32) / sizeof(unsigned));
@@ -284,8 +284,8 @@ def GR64 : RegisterClass<"SystemZ", [i64], 64,
     GR64Class::iterator
     GR64Class::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG64_nofp;
       else
         return SystemZ_REG64;
@@ -293,8 +293,8 @@ def GR64 : RegisterClass<"SystemZ", [i64], 64,
     GR64Class::iterator
     GR64Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG64_nofp + (sizeof(SystemZ_REG64_nofp) / sizeof(unsigned));
       else
         return SystemZ_REG64 + (sizeof(SystemZ_REG64) / sizeof(unsigned));
@@ -331,8 +331,8 @@ def ADDR64 : RegisterClass<"SystemZ", [i64], 64,
     ADDR64Class::iterator
     ADDR64Class::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_ADDR64_nofp;
       else
         return SystemZ_ADDR64;
@@ -340,8 +340,8 @@ def ADDR64 : RegisterClass<"SystemZ", [i64], 64,
     ADDR64Class::iterator
     ADDR64Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_ADDR64_nofp + (sizeof(SystemZ_ADDR64_nofp) / sizeof(unsigned));
       else
         return SystemZ_ADDR64 + (sizeof(SystemZ_ADDR64) / sizeof(unsigned));
@@ -368,8 +368,8 @@ def GR64P : RegisterClass<"SystemZ", [v2i32], 64,
     GR64PClass::iterator
     GR64PClass::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG64P_nofp;
       else
         return SystemZ_REG64P;
@@ -377,8 +377,8 @@ def GR64P : RegisterClass<"SystemZ", [v2i32], 64,
     GR64PClass::iterator
     GR64PClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG64P_nofp + (sizeof(SystemZ_REG64P_nofp) / sizeof(unsigned));
       else
         return SystemZ_REG64P + (sizeof(SystemZ_REG64P) / sizeof(unsigned));
@@ -405,8 +405,8 @@ def GR128 : RegisterClass<"SystemZ", [v2i64], 128,
     GR128Class::iterator
     GR128Class::allocation_order_begin(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG128_nofp;
       else
         return SystemZ_REG128;
@@ -414,8 +414,8 @@ def GR128 : RegisterClass<"SystemZ", [v2i64], 128,
     GR128Class::iterator
     GR128Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return SystemZ_REG128_nofp + (sizeof(SystemZ_REG128_nofp) / sizeof(unsigned));
       else
         return SystemZ_REG128 + (sizeof(SystemZ_REG128) / sizeof(unsigned));
diff --git a/lib/Target/X86/X86FrameInfo.cpp b/lib/Target/X86/X86FrameInfo.cpp
index 98c579b..affb6ff 100644
--- a/lib/Target/X86/X86FrameInfo.cpp
+++ b/lib/Target/X86/X86FrameInfo.cpp
@@ -30,6 +30,26 @@ using namespace llvm;
 // FIXME: completely move here.
 extern cl::opt<bool> ForceStackAlign;
 
+bool X86FrameInfo::hasReservedCallFrame(const MachineFunction &MF) const {
+  return !MF.getFrameInfo()->hasVarSizedObjects();
+}
+
+/// hasFP - Return true if the specified function should have a dedicated frame
+/// pointer register.  This is true if the function has variable sized allocas
+/// or if frame pointer elimination is disabled.
+bool X86FrameInfo::hasFP(const MachineFunction &MF) const {
+  const MachineFrameInfo *MFI = MF.getFrameInfo();
+  const MachineModuleInfo &MMI = MF.getMMI();
+  const TargetRegisterInfo *RI = MF.getTarget().getRegisterInfo();
+
+  return (DisableFramePointerElim(MF) ||
+          RI->needsStackRealignment(MF) ||
+          MFI->hasVarSizedObjects() ||
+          MFI->isFrameAddressTaken() ||
+          MF.getInfo<X86MachineFunctionInfo>()->getForceFramePointer() ||
+          MMI.callsUnwindInit());
+}
+
 static unsigned getSUBriOpcode(unsigned is64Bit, int64_t Imm) {
   if (is64Bit) {
     if (isInt<8>(Imm))
@@ -184,8 +204,6 @@ void X86FrameInfo::emitCalleeSavedFrameMoves(MachineFunction &MF,
                                              MCSymbol *Label,
                                              unsigned FramePtr) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  const X86RegisterInfo *RegInfo =
-    static_cast<const X86RegisterInfo*>(MF.getTarget().getRegisterInfo());
   MachineModuleInfo &MMI = MF.getMMI();
 
   // Add callee saved registers to move list.
@@ -194,7 +212,7 @@ void X86FrameInfo::emitCalleeSavedFrameMoves(MachineFunction &MF,
 
   std::vector<MachineMove> &Moves = MMI.getFrameMoves();
   const TargetData *TD = MF.getTarget().getTargetData();
-  bool HasFP = RegInfo->hasFP(MF);
+  bool HasFP = hasFP(MF);
 
   // Calculate amount of bytes used for return address storing.
   int stackGrowth =
@@ -269,7 +287,7 @@ void X86FrameInfo::emitPrologue(MachineFunction &MF) const {
                           !Fn->doesNotThrow() || UnwindTablesMandatory;
   uint64_t MaxAlign  = MFI->getMaxAlignment(); // Desired stack alignment.
   uint64_t StackSize = MFI->getStackSize();    // Number of bytes to allocate.
-  bool HasFP = RegInfo->hasFP(MF);
+  bool HasFP = hasFP(MF);
   bool Is64Bit = STI.is64Bit();
   bool IsWin64 = STI.isTargetWin64();
   unsigned StackAlign = getStackAlignment();
@@ -596,7 +614,7 @@ void X86FrameInfo::emitEpilogue(MachineFunction &MF,
       MaxAlign = MaxAlign ? MaxAlign : 4;
   }
 
-  if (RegInfo->hasFP(MF)) {
+  if (hasFP(MF)) {
     // Calculate required stack adjustment.
     uint64_t FrameSize = StackSize - SlotSize;
     if (RegInfo->needsStackRealignment(MF))
diff --git a/lib/Target/X86/X86FrameInfo.h b/lib/Target/X86/X86FrameInfo.h
index 7828e17..433d965 100644
--- a/lib/Target/X86/X86FrameInfo.h
+++ b/lib/Target/X86/X86FrameInfo.h
@@ -39,6 +39,10 @@ public:
   /// the function.
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+
+  bool hasFP(const MachineFunction &MF) const;
+  bool hasReservedCallFrame(const MachineFunction &MF) const;
+
 };
 
 } // End llvm namespace
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6233af5..2ecc6fd 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1172,7 +1172,9 @@ X86TargetLowering::findRepresentativeClass(EVT VT) const{
 unsigned
 X86TargetLowering::getRegPressureLimit(const TargetRegisterClass *RC,
                                        MachineFunction &MF) const {
-  unsigned FPDiff = RegInfo->hasFP(MF) ? 1 : 0;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  unsigned FPDiff = TFI->hasFP(MF) ? 1 : 0;
   switch (RC->getID()) {
   default:
     return 0;
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 0f505d1..5cbbb06 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -388,6 +388,8 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 
 BitVector X86RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   // Set the stack-pointer register and its aliases as reserved.
   Reserved.set(X86::RSP);
   Reserved.set(X86::ESP);
@@ -400,7 +402,7 @@ BitVector X86RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   Reserved.set(X86::IP);
 
   // Set the frame-pointer register and its aliases as reserved if needed.
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     Reserved.set(X86::RBP);
     Reserved.set(X86::EBP);
     Reserved.set(X86::BP);
@@ -425,21 +427,6 @@ BitVector X86RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // Stack Frame Processing methods
 //===----------------------------------------------------------------------===//
 
-/// hasFP - Return true if the specified function should have a dedicated frame
-/// pointer register.  This is true if the function has variable sized allocas
-/// or if frame pointer elimination is disabled.
-bool X86RegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  const MachineModuleInfo &MMI = MF.getMMI();
-
-  return (DisableFramePointerElim(MF) ||
-          needsStackRealignment(MF) ||
-          MFI->hasVarSizedObjects() ||
-          MFI->isFrameAddressTaken() ||
-          MF.getInfo<X86MachineFunctionInfo>()->getForceFramePointer() ||
-          MMI.callsUnwindInit());
-}
-
 bool X86RegisterInfo::canRealignStack(const MachineFunction &MF) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   return (RealignStack &&
@@ -466,13 +453,11 @@ bool X86RegisterInfo::needsStackRealignment(const MachineFunction &MF) const {
   return requiresRealignment && canRealignStack(MF);
 }
 
-bool X86RegisterInfo::hasReservedCallFrame(const MachineFunction &MF) const {
-  return !MF.getFrameInfo()->hasVarSizedObjects();
-}
-
 bool X86RegisterInfo::hasReservedSpillSlot(const MachineFunction &MF,
                                            unsigned Reg, int &FrameIdx) const {
-  if (Reg == FramePtr && hasFP(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (Reg == FramePtr && TFI->hasFP(MF)) {
     FrameIdx = MF.getFrameInfo()->getObjectIndexBegin();
     return true;
   }
@@ -481,9 +466,9 @@ bool X86RegisterInfo::hasReservedSpillSlot(const MachineFunction &MF,
 
 int
 X86RegisterInfo::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
-  const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   const MachineFrameInfo *MFI = MF.getFrameInfo();
-  int Offset = MFI->getObjectOffset(FI) - TFI.getOffsetOfLocalArea();
+  int Offset = MFI->getObjectOffset(FI) - TFI->getOffsetOfLocalArea();
   uint64_t StackSize = MFI->getStackSize();
 
   if (needsStackRealignment(MF)) {
@@ -498,7 +483,7 @@ X86RegisterInfo::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
     }
     // FIXME: Support tail calls
   } else {
-    if (!hasFP(MF))
+    if (!TFI->hasFP(MF))
       return Offset + StackSize;
 
     // Skip the saved EBP.
@@ -541,7 +526,9 @@ static unsigned getADDriOpcode(unsigned is64Bit, int64_t Imm) {
 void X86RegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (!TFI->hasReservedCallFrame(MF)) {
     // If the stack pointer can be changed after prologue, turn the
     // adjcallstackup instruction into a 'sub ESP, <amt>' and the
     // adjcallstackdown instruction into 'add ESP, <amt>'
@@ -614,6 +601,7 @@ X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   unsigned i = 0;
   MachineInstr &MI = *II;
   MachineFunction &MF = *MI.getParent()->getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
   while (!MI.getOperand(i).isFI()) {
     ++i;
@@ -630,7 +618,7 @@ X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   else if (AfterFPPop)
     BasePtr = StackPtr;
   else
-    BasePtr = (hasFP(MF) ? FramePtr : StackPtr);
+    BasePtr = (TFI->hasFP(MF) ? FramePtr : StackPtr);
 
   // This must be part of a four operand memory reference.  Replace the
   // FrameIndex with base register with EBP.  Add an offset to the offset.
@@ -640,9 +628,8 @@ X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   int FIOffset;
   if (AfterFPPop) {
     // Tail call jmp happens after FP is popped.
-    const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
     const MachineFrameInfo *MFI = MF.getFrameInfo();
-    FIOffset = MFI->getObjectOffset(FrameIndex) - TFI.getOffsetOfLocalArea();
+    FIOffset = MFI->getObjectOffset(FrameIndex) - TFI->getOffsetOfLocalArea();
   } else
     FIOffset = getFrameIndexOffset(MF, FrameIndex);
 
@@ -661,6 +648,7 @@ void
 X86RegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                                                       RegScavenger *RS) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
   X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
   int32_t TailCallReturnAddrDelta = X86FI->getTCReturnAddrDelta();
@@ -679,7 +667,7 @@ X86RegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                            (-1U*SlotSize)+TailCallReturnAddrDelta, true);
   }
 
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     assert((TailCallReturnAddrDelta <= 0) &&
            "The Delta should always be zero or negative");
     const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
@@ -702,7 +690,8 @@ unsigned X86RegisterInfo::getRARegister() const {
 }
 
 unsigned X86RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  return hasFP(MF) ? FramePtr : StackPtr;
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+  return TFI->hasFP(MF) ? FramePtr : StackPtr;
 }
 
 void
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h
index 0796191..f543c19 100644
--- a/lib/Target/X86/X86RegisterInfo.h
+++ b/lib/Target/X86/X86RegisterInfo.h
@@ -111,14 +111,10 @@ public:
   /// register scavenger to determine what registers are free.
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   bool canRealignStack(const MachineFunction &MF) const;
 
   bool needsStackRealignment(const MachineFunction &MF) const;
 
-  bool hasReservedCallFrame(const MachineFunction &MF) const;
-
   bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg,
                             int &FrameIdx) const;
 
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td
index 8fc26d7..a5e3fc2 100644
--- a/lib/Target/X86/X86RegisterInfo.td
+++ b/lib/Target/X86/X86RegisterInfo.td
@@ -299,14 +299,14 @@ def GR8 : RegisterClass<"X86", [i8],  8,
     GR8Class::iterator
     GR8Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
       if (!Subtarget.is64Bit())
         // In 32-mode, none of the 8-bit registers aliases EBP or ESP.
         return begin() + 8;
-      else if (RI->hasFP(MF) || MFI->getReserveFP())
+      else if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate SPL or BPL.
         return array_endof(X86_GR8_AO_64) - 1;
       else
@@ -344,12 +344,12 @@ def GR16 : RegisterClass<"X86", [i16], 16,
     GR16Class::iterator
     GR16Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate SP or BP.
           return array_endof(X86_GR16_AO_64) - 1;
         else
@@ -357,7 +357,7 @@ def GR16 : RegisterClass<"X86", [i16], 16,
           return array_endof(X86_GR16_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate SP or BP.
           return begin() + 6;
         else
@@ -396,12 +396,12 @@ def GR32 : RegisterClass<"X86", [i32], 32,
     GR32Class::iterator
     GR32Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate ESP or EBP.
           return array_endof(X86_GR32_AO_64) - 1;
         else
@@ -409,7 +409,7 @@ def GR32 : RegisterClass<"X86", [i32], 32,
           return array_endof(X86_GR32_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate ESP or EBP.
           return begin() + 6;
         else
@@ -436,13 +436,13 @@ def GR64 : RegisterClass<"X86", [i64], 64,
     GR64Class::iterator
     GR64Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (!Subtarget.is64Bit())
         return begin();  // None of these are allocatable in 32-bit.
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         return end()-3;  // If so, don't allocate RIP, RSP or RBP
       else
         return end()-2;  // If not, just don't allocate RIP or RSP
@@ -541,10 +541,10 @@ def GR16_NOREX : RegisterClass<"X86", [i16], 16,
     GR16_NOREXClass::iterator
     GR16_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate SP or BP.
         return end() - 2;
       else
@@ -565,10 +565,10 @@ def GR32_NOREX : RegisterClass<"X86", [i32], 32,
     GR32_NOREXClass::iterator
     GR32_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate ESP or EBP.
         return end() - 2;
       else
@@ -590,10 +590,10 @@ def GR64_NOREX : RegisterClass<"X86", [i64], 64,
     GR64_NOREXClass::iterator
     GR64_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate RIP, RSP or RBP.
         return end() - 3;
       else
@@ -632,12 +632,12 @@ def GR32_NOSP : RegisterClass<"X86", [i32], 32,
     GR32_NOSPClass::iterator
     GR32_NOSPClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate EBP.
           return array_endof(X86_GR32_NOSP_AO_64) - 1;
         else
@@ -645,7 +645,7 @@ def GR32_NOSP : RegisterClass<"X86", [i32], 32,
           return array_endof(X86_GR32_NOSP_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate EBP.
           return begin() + 6;
         else
@@ -670,13 +670,13 @@ def GR64_NOSP : RegisterClass<"X86", [i64], 64,
     GR64_NOSPClass::iterator
     GR64_NOSPClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (!Subtarget.is64Bit())
         return begin();  // None of these are allocatable in 32-bit.
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         return end()-1;  // If so, don't allocate RBP
       else
         return end();  // If not, any reg in this class is ok.
@@ -698,10 +698,10 @@ def GR64_NOREX_NOSP : RegisterClass<"X86", [i64], 64,
     GR64_NOREX_NOSPClass::allocation_order_end(const MachineFunction &MF) const
   {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate RBP.
         return end() - 1;
       else
diff --git a/lib/Target/XCore/XCoreFrameInfo.cpp b/lib/Target/XCore/XCoreFrameInfo.cpp
index 0a7f747..ae86c95 100644
--- a/lib/Target/XCore/XCoreFrameInfo.cpp
+++ b/lib/Target/XCore/XCoreFrameInfo.cpp
@@ -82,6 +82,10 @@ XCoreFrameInfo::XCoreFrameInfo(const XCoreSubtarget &sti)
   // Do nothing
 }
 
+bool XCoreFrameInfo::hasFP(const MachineFunction &MF) const {
+  return DisableFramePointerElim(MF) || MF.getFrameInfo()->hasVarSizedObjects();
+}
+
 void XCoreFrameInfo::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
   MachineBasicBlock::iterator MBBI = MBB.begin();
@@ -94,7 +98,7 @@ void XCoreFrameInfo::emitPrologue(MachineFunction &MF) const {
   XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
   DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
 
-  bool FP = RegInfo->hasFP(MF);
+  bool FP = hasFP(MF);
 
   // Work out frame sizes.
   int FrameSize = MFI->getStackSize();
@@ -204,14 +208,11 @@ void XCoreFrameInfo::emitEpilogue(MachineFunction &MF,
                                      MachineBasicBlock &MBB) const {
   MachineFrameInfo *MFI            = MF.getFrameInfo();
   MachineBasicBlock::iterator MBBI = prior(MBB.end());
-  const XCoreRegisterInfo *RegInfo =
-    static_cast<const XCoreRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const XCoreInstrInfo &TII =
     *static_cast<const XCoreInstrInfo*>(MF.getTarget().getInstrInfo());
   DebugLoc dl = MBBI->getDebugLoc();
 
-  bool FP = RegInfo->hasFP(MF);
-
+  bool FP = hasFP(MF);
   if (FP) {
     // Restore the stack pointer.
     unsigned FramePtr = XCore::R10;
diff --git a/lib/Target/XCore/XCoreFrameInfo.h b/lib/Target/XCore/XCoreFrameInfo.h
index 47a652d..76960a7 100644
--- a/lib/Target/XCore/XCoreFrameInfo.h
+++ b/lib/Target/XCore/XCoreFrameInfo.h
@@ -31,6 +31,8 @@ namespace llvm {
     void emitPrologue(MachineFunction &MF) const;
     void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
 
+    bool hasFP(const MachineFunction &MF) const;
+
     //! Stack slot size (4 bytes)
     static int stackSlotSize() {
       return 4;
diff --git a/lib/Target/XCore/XCoreRegisterInfo.cpp b/lib/Target/XCore/XCoreRegisterInfo.cpp
index 8cc2572..381e9ab 100644
--- a/lib/Target/XCore/XCoreRegisterInfo.cpp
+++ b/lib/Target/XCore/XCoreRegisterInfo.cpp
@@ -84,11 +84,13 @@ const unsigned* XCoreRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF)
 
 BitVector XCoreRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
   Reserved.set(XCore::CP);
   Reserved.set(XCore::DP);
   Reserved.set(XCore::SP);
   Reserved.set(XCore::LR);
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     Reserved.set(XCore::R10);
   }
   return Reserved;
@@ -96,12 +98,10 @@ BitVector XCoreRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 
 bool
 XCoreRegisterInfo::requiresRegisterScavenging(const MachineFunction &MF) const {
-  // TODO can we estimate stack size?
-  return hasFP(MF);
-}
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
-bool XCoreRegisterInfo::hasFP(const MachineFunction &MF) const {
-  return DisableFramePointerElim(MF) || MF.getFrameInfo()->hasVarSizedObjects();
+  // TODO can we estimate stack size?
+  return TFI->hasFP(MF);
 }
 
 // This function eliminates ADJCALLSTACKDOWN,
@@ -109,7 +109,9 @@ bool XCoreRegisterInfo::hasFP(const MachineFunction &MF) const {
 void XCoreRegisterInfo::
 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                               MachineBasicBlock::iterator I) const {
-  if (!hasReservedCallFrame(MF)) {
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
+
+  if (!TFI->hasReservedCallFrame(MF)) {
     // Turn the adjcallstackdown instruction into 'extsp <amt>' and the
     // adjcallstackup instruction into 'ldaw sp, sp[<amt>]'
     MachineInstr *Old = I;
@@ -172,6 +174,7 @@ XCoreRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   int FrameIndex = FrameOp.getIndex();
 
   MachineFunction &MF = *MI.getParent()->getParent();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex);
   int StackSize = MF.getFrameInfo()->getStackSize();
 
@@ -197,7 +200,7 @@ XCoreRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   
   Offset/=4;
   
-  bool FP = hasFP(MF);
+  bool FP = TFI->hasFP(MF);
   
   unsigned Reg = MI.getOperand(0).getReg();
   bool isKill = MI.getOpcode() == XCore::STWFI && MI.getOperand(0).isKill();
@@ -296,6 +299,7 @@ void
 XCoreRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                                                       RegScavenger *RS) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
   bool LRUsed = MF.getRegInfo().isPhysRegUsed(XCore::LR);
   const TargetRegisterClass *RC = XCore::GRRegsRegisterClass;
   XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
@@ -320,7 +324,7 @@ XCoreRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                                                        RC->getAlignment(),
                                                        false));
   }
-  if (hasFP(MF)) {
+  if (TFI->hasFP(MF)) {
     // A callee save register is used to hold the FP.
     // This needs saving / restoring in the epilogue / prologue.
     XFI->setFPSpillSlot(MFI->CreateStackObject(RC->getSize(),
@@ -351,9 +355,9 @@ int XCoreRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
 }
 
 unsigned XCoreRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
-  bool FP = hasFP(MF);
+  const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
 
-  return FP ? XCore::R10 : XCore::SP;
+  return TFI->hasFP(MF) ? XCore::R10 : XCore::SP;
 }
 
 unsigned XCoreRegisterInfo::getRARegister() const {
diff --git a/lib/Target/XCore/XCoreRegisterInfo.h b/lib/Target/XCore/XCoreRegisterInfo.h
index 9b4231c..047fc27 100644
--- a/lib/Target/XCore/XCoreRegisterInfo.h
+++ b/lib/Target/XCore/XCoreRegisterInfo.h
@@ -48,8 +48,6 @@ public:
   
   bool requiresRegisterScavenging(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
diff --git a/lib/Target/XCore/XCoreRegisterInfo.td b/lib/Target/XCore/XCoreRegisterInfo.td
index 62daf5d..99cd18f 100644
--- a/lib/Target/XCore/XCoreRegisterInfo.td
+++ b/lib/Target/XCore/XCoreRegisterInfo.td
@@ -61,8 +61,8 @@ def GRRegs : RegisterClass<"XCore", [i32], 32,
     GRRegsClass::iterator
     GRRegsClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
-      if (RI->hasFP(MF))
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
+      if (TFI->hasFP(MF))
         return end()-1;  // don't allocate R10
       else
         return end();