9 files changed, 13 insertions, 25 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index bfda30ee19..76902505bc 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3483,13 +3483,10 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     setValue(&I, DAG.getNode(ISD::RETURNADDR, TLI.getPointerTy(),
                              getValue(I.getOperand(1))));
     return 0;
-  case Intrinsic::frameaddress: {
-    MachineFrameInfo *MFI = CurMBB->getParent()->getFrameInfo();
-    MFI->setFrameAddressIsTaken(true);
+  case Intrinsic::frameaddress:
     setValue(&I, DAG.getNode(ISD::FRAMEADDR, TLI.getPointerTy(),
                              getValue(I.getOperand(1))));
     return 0;
-  }
   case Intrinsic::setjmp:
     return "_setjmp"+!TLI.usesUnderscoreSetJmp();
     break;
diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index d598ef68f1..7787f43ff6 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -209,9 +209,7 @@ ARMRegisterInfo::requiresRegisterScavenging(const MachineFunction &MF) const {
 /// or if frame pointer elimination is disabled.
 ///
 bool ARMRegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return NoFramePointerElim || MFI->hasVarSizedObjects() ||
-    MFI->isFrameAddressTaken();
+  return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects();
 }
 
 // hasReservedCallFrame - Under normal circumstances, when a frame pointer is
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index 3cef5957df..dd8460a065 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -104,7 +104,7 @@ BitVector AlphaRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 //
 bool AlphaRegisterInfo::hasFP(const MachineFunction &MF) const {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return MFI->hasVarSizedObjects() || MFI->isFrameAddressTaken();
+  return MFI->hasVarSizedObjects();
 }
 
 void AlphaRegisterInfo::
diff --git a/lib/Target/CellSPU/SPURegisterInfo.cpp b/lib/Target/CellSPU/SPURegisterInfo.cpp
index 18ca7033f6..882f79f7e1 100644
--- a/lib/Target/CellSPU/SPURegisterInfo.cpp
+++ b/lib/Target/CellSPU/SPURegisterInfo.cpp
@@ -294,8 +294,7 @@ BitVector SPURegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 //
 static bool needsFP(const MachineFunction &MF) {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return NoFramePointerElim || MFI->hasVarSizedObjects() ||
-    MFI->isFrameAddressTaken();
+  return NoFramePointerElim || MFI->hasVarSizedObjects();
 }
 
 //--------------------------------------------------------------------------
diff --git a/lib/Target/IA64/IA64RegisterInfo.cpp b/lib/Target/IA64/IA64RegisterInfo.cpp
index 0438de151f..848eab8ed9 100644
--- a/lib/Target/IA64/IA64RegisterInfo.cpp
+++ b/lib/Target/IA64/IA64RegisterInfo.cpp
@@ -75,9 +75,7 @@ BitVector IA64RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 // if frame pointer elimination is disabled.
 //
 bool IA64RegisterInfo::hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return NoFramePointerElim || MFI->hasVarSizedObjects() ||
-    MFI->isFrameAddressTaken();
+  return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects();
 }
 
 void IA64RegisterInfo::
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index f09d93e04d..6d75f460d3 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -324,9 +324,7 @@ void MipsRegisterInfo::adjustMipsStackFrame(MachineFunction &MF) const
 // if frame pointer elimination is disabled.
 bool MipsRegisterInfo::
 hasFP(const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  return NoFramePointerElim || MFI->hasVarSizedObjects() ||
-    MFI->isFrameAddressTaken();
+  return (NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects());
 }
 
 // This function eliminate ADJCALLSTACKDOWN, 
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 155932d8d3..014925e1a6 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -333,7 +333,6 @@ PPCRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const {
 static bool needsFP(const MachineFunction &MF) {
   const MachineFrameInfo *MFI = MF.getFrameInfo();
   return NoFramePointerElim || MFI->hasVarSizedObjects() ||
-    MFI->isFrameAddressTaken() ||
     (PerformTailCallOpt && MF.getInfo<PPCFunctionInfo>()->hasFastCall());
 }
 
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 1ef644d54d..8e8a51a920 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5645,13 +5645,13 @@ SDValue X86TargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) {
 }
 
 SDValue X86TargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) {
-  unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
-  unsigned FrameReg = Subtarget->is64Bit() ? X86::RBP : X86::EBP;
-  SDValue FrameAddr = DAG.getRegister(FrameReg, getPointerTy());
-  while (Depth--)
-    FrameAddr = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), FrameAddr,
-                            NULL, 0);
-  return FrameAddr;
+  // Depths > 0 not supported yet!
+  if (cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() > 0)
+    return SDValue();
+
+  SDValue RetAddrFI = getReturnAddressFrameIndex(DAG);
+  return DAG.getNode(ISD::SUB, getPointerTy(), RetAddrFI,
+                     DAG.getIntPtrConstant(TD->getPointerSize()));
 }
 
 SDValue X86TargetLowering::LowerFRAME_TO_ARGS_OFFSET(SDValue Op,
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index d618ffdeb7..49766a8fc7 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -299,7 +299,6 @@ bool X86RegisterInfo::hasFP(const MachineFunction &MF) const {
   return (NoFramePointerElim ||
           needsStackRealignment(MF) ||
           MFI->hasVarSizedObjects() ||
-          MFI->isFrameAddressTaken() ||
           MF.getInfo<X86MachineFunctionInfo>()->getForceFramePointer() ||
           (MMI && MMI->callsUnwindInit()));
 }