Remove trailing whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21424 91177308-0d34-0410-b5e6-96231b3b80d8

20 files changed, 384 insertions, 384 deletions

diff --git a/lib/Target/Alpha/Alpha.h b/lib/Target/Alpha/Alpha.h
index 6e22c18b43..08b16cee0c 100644
--- a/lib/Target/Alpha/Alpha.h
+++ b/lib/Target/Alpha/Alpha.h
@@ -1,10 +1,10 @@
 //===-- Alpha.h - Top-level interface for Alpha representation --*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the entry points for global functions defined in the LLVM
diff --git a/lib/Target/Alpha/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AlphaAsmPrinter.cpp
index 3c1b783b91..abfc16cd38 100644
--- a/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -1,10 +1,10 @@
 //===-- AlphaAsmPrinter.cpp - Alpha LLVM assembly writer ------------------===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains a printer that converts from our internal representation
@@ -41,8 +41,8 @@ namespace {
     /// Unique incrementer for label values for referencing Global values.
     ///
     unsigned LabelNumber;
- 
-     AlphaAsmPrinter(std::ostream &o, TargetMachine &tm) 
+
+     AlphaAsmPrinter(std::ostream &o, TargetMachine &tm)
        : AsmPrinter(o, tm), LabelNumber(0)
     {
       AlignmentIsInBytes = false;
@@ -65,7 +65,7 @@ namespace {
     void printOperand(const MachineInstr *MI, int opNum, MVT::ValueType VT);
     void printBaseOffsetPair (const MachineInstr *MI, int i, bool brackets=true);
     void printMachineInstruction(const MachineInstr *MI);
-    bool runOnMachineFunction(MachineFunction &F);    
+    bool runOnMachineFunction(MachineFunction &F);
     bool doInitialization(Module &M);
     bool doFinalization(Module &M);
     void SwitchSection(std::ostream &OS, const char *NewSection);
@@ -101,7 +101,7 @@ void AlphaAsmPrinter::printOperand(const MachineInstr *MI, int opNum, MVT::Value
 void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
   const MRegisterInfo &RI = *TM.getRegisterInfo();
   int new_symbol;
-  
+
   switch (MO.getType()) {
   case MachineOperand::MO_VirtualRegister:
     if (Value *V = MO.getVRegValueOrNull()) {
@@ -124,7 +124,7 @@ void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
     std::cerr << "Shouldn't use addPCDisp() when building Alpha MachineInstrs";
     abort();
     return;
-    
+
   case MachineOperand::MO_MachineBasicBlock: {
     MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
     O << "LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
@@ -149,7 +149,7 @@ void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
     else
       O << Mang->getValueName(MO.getGlobal());
     return;
-    
+
   default:
     O << "<unknown operand type: " << MO.getType() << ">";
     return;
@@ -163,7 +163,7 @@ void AlphaAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
   ++EmittedInsts;
   if (printInstruction(MI))
     return; // Printer was automatically generated
-  
+
   assert(0 && "Unhandled instruction in asm writer!");
   abort();
   return;
@@ -218,7 +218,7 @@ bool AlphaAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
 void AlphaAsmPrinter::printConstantPool(MachineConstantPool *MCP) {
   const std::vector<Constant*> &CP = MCP->getConstants();
   const TargetData &TD = TM.getTargetData();
- 
+
   if (CP.empty()) return;
 
   SwitchSection(O, "section .rodata");
@@ -240,12 +240,12 @@ bool AlphaAsmPrinter::doInitialization(Module &M)
     O << "\t.arch ev56\n";
   return false;
 }
-    
+
 
 // SwitchSection - Switch to the specified section of the executable if we are
 // not already in it!
 //
-void AlphaAsmPrinter::SwitchSection(std::ostream &OS, const char *NewSection) 
+void AlphaAsmPrinter::SwitchSection(std::ostream &OS, const char *NewSection)
 {
   if (CurSection != NewSection) {
     CurSection = NewSection;
@@ -256,7 +256,7 @@ void AlphaAsmPrinter::SwitchSection(std::ostream &OS, const char *NewSection)
 
 bool AlphaAsmPrinter::doFinalization(Module &M) {
   const TargetData &TD = TM.getTargetData();
-  
+
   for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
     if (I->hasInitializer()) {   // External global require no code
       O << "\n\n";
@@ -265,13 +265,13 @@ bool AlphaAsmPrinter::doFinalization(Module &M) {
       unsigned Size = TD.getTypeSize(C->getType());
       unsigned Align = TD.getTypeAlignmentShift(C->getType());
 
-      if (C->isNullValue() && 
+      if (C->isNullValue() &&
           (I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
            I->hasWeakLinkage() /* FIXME: Verify correct */)) {
         SwitchSection(O, "data");
         if (I->hasInternalLinkage())
           O << "\t.local " << name << "\n";
-        
+
         O << "\t.comm " << name << "," << TD.getTypeSize(C->getType())
           << "," << (1 << Align);
         O << "\t\t# ";
diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp
index d8459815fd..4b9d7af4ae 100644
--- a/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -1,10 +1,10 @@
 //===- AlphaISelPattern.cpp - A pattern matching inst selector for Alpha --===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines a pattern matching instruction selector for Alpha.
@@ -33,14 +33,14 @@
 using namespace llvm;
 
 namespace llvm {
-  cl::opt<bool> EnableAlphaIDIV("enable-alpha-intfpdiv", 
-                             cl::desc("Use the FP div instruction for integer div when possible"), 
+  cl::opt<bool> EnableAlphaIDIV("enable-alpha-intfpdiv",
+                             cl::desc("Use the FP div instruction for integer div when possible"),
                              cl::Hidden);
-  cl::opt<bool> EnableAlphaFTOI("enable-alpha-ftoi", 
-                             cl::desc("Enable use of ftoi* and itof* instructions (ev6 and higher)"), 
+  cl::opt<bool> EnableAlphaFTOI("enable-alpha-ftoi",
+                             cl::desc("Enable use of ftoi* and itof* instructions (ev6 and higher)"),
                              cl::Hidden);
-  cl::opt<bool> EnableAlphaCount("enable-alpha-count", 
-                             cl::desc("Print estimates on live ins and outs"), 
+  cl::opt<bool> EnableAlphaCount("enable-alpha-count",
+                             cl::desc("Print estimates on live ins and outs"),
                              cl::Hidden);
 }
 
@@ -57,11 +57,11 @@ namespace {
       setShiftAmountType(MVT::i64);
       setSetCCResultType(MVT::i64);
       setSetCCResultContents(ZeroOrOneSetCCResult);
-      
+
       addRegisterClass(MVT::i64, Alpha::GPRCRegisterClass);
       addRegisterClass(MVT::f64, Alpha::FPRCRegisterClass);
       addRegisterClass(MVT::f32, Alpha::FPRCRegisterClass);
-      
+
       setOperationAction(ISD::BRCONDTWOWAY, MVT::Other, Expand);
       setOperationAction(ISD::EXTLOAD  , MVT::i1   , Promote);
       setOperationAction(ISD::EXTLOAD  , MVT::f32  , Promote);
@@ -88,7 +88,7 @@ namespace {
       setOperationAction(ISD::SETCC    , MVT::f32,   Promote);
 
       computeRegisterProperties();
-      
+
       addLegalFPImmediate(+0.0); //F31
       addLegalFPImmediate(-0.0); //-F31
     }
@@ -97,16 +97,16 @@ namespace {
     /// lower the arguments for the specified function, into the specified DAG.
     virtual std::vector<SDOperand>
     LowerArguments(Function &F, SelectionDAG &DAG);
-    
+
     /// LowerCallTo - This hook lowers an abstract call to a function into an
     /// actual call.
     virtual std::pair<SDOperand, SDOperand>
     LowerCallTo(SDOperand Chain, const Type *RetTy, bool isVarArg,
                 SDOperand Callee, ArgListTy &Args, SelectionDAG &DAG);
-    
+
     virtual std::pair<SDOperand, SDOperand>
     LowerVAStart(SDOperand Chain, SelectionDAG &DAG);
-    
+
     virtual std::pair<SDOperand,SDOperand>
     LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList,
                    const Type *ArgTy, SelectionDAG &DAG);
@@ -139,9 +139,9 @@ namespace {
 // //#define PV    $27
 // //#define GP    $29
 // //#define SP    $30
-  
+
 std::vector<SDOperand>
-AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) 
+AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
 {
   std::vector<SDOperand> ArgValues;
   std::vector<SDOperand> LS;
@@ -157,9 +157,9 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
   //Handle the return address
   //BuildMI(&BB, Alpha::IDEF, 0, Alpha::R26);
 
-  unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18, 
+  unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
 			 Alpha::R19, Alpha::R20, Alpha::R21};
-  unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18, 
+  unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
 			   Alpha::F19, Alpha::F20, Alpha::F21};
   int count = 0;
 
@@ -198,15 +198,15 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
       unsigned Vreg;
       MVT::ValueType VT = getValueType(I->getType());
       switch (getValueType(I->getType())) {
-      default: 
-        std::cerr << "Unknown Type " << VT << "\n"; 
+      default:
+        std::cerr << "Unknown Type " << VT << "\n";
         abort();
       case MVT::f64:
       case MVT::f32:
         Vreg = MF.getSSARegMap()->createVirtualRegister(getRegClassFor(VT));
         BuildMI(&BB, Alpha::CPYS, 2, Vreg).addReg(args_float[count]).addReg(args_float[count]);
-        argt = newroot = DAG.getCopyFromReg(Vreg, 
-                                            getValueType(I->getType()), 
+        argt = newroot = DAG.getCopyFromReg(Vreg,
+                                            getValueType(I->getType()),
                                             Chain);
         break;
       case MVT::i1:
@@ -224,11 +224,11 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
     } else { //more args
       // Create the frame index object for this incoming parameter...
       int FI = MFI->CreateFixedObject(8, 8 * (count - 6));
-        
-      // Create the SelectionDAG nodes corresponding to a load 
+
+      // Create the SelectionDAG nodes corresponding to a load
       //from this parameter
       SDOperand FIN = DAG.getFrameIndex(FI, MVT::i64);
-      argt = newroot = DAG.getLoad(getValueType(I->getType()), 
+      argt = newroot = DAG.getLoad(getValueType(I->getType()),
                                    DAG.getEntryNode(), FIN);
     }
     ++count;
@@ -237,7 +237,7 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
   }
 
   // If the functions takes variable number of arguments, copy all regs to stack
-  if (F.isVarArg()) 
+  if (F.isVarArg())
     for (int i = 0; i < 6; ++i)
     {
       unsigned Vreg = MF.getSSARegMap()->createVirtualRegister(getRegClassFor(MVT::i64));
@@ -246,7 +246,7 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
       int FI = MFI->CreateFixedObject(8, -8 * (6 - i));
       SDOperand SDFI = DAG.getFrameIndex(FI, MVT::i64);
       LS.push_back(DAG.getNode(ISD::STORE, MVT::Other, Chain, argt, SDFI));
-      
+
       Vreg = MF.getSSARegMap()->createVirtualRegister(getRegClassFor(MVT::f64));
       BuildMI(&BB, Alpha::CPYS, 2, Vreg).addReg(args_float[i]).addReg(args_float[i]);
       argt = DAG.getCopyFromReg(Vreg, MVT::f64, Chain);
@@ -317,14 +317,14 @@ AlphaTargetLowering::LowerCallTo(SDOperand Chain,
     }
     args_to_use.push_back(Args[i].first);
   }
-  
+
   std::vector<MVT::ValueType> RetVals;
   MVT::ValueType RetTyVT = getValueType(RetTy);
   if (RetTyVT != MVT::isVoid)
     RetVals.push_back(RetTyVT);
   RetVals.push_back(MVT::Other);
 
-  SDOperand TheCall = SDOperand(DAG.getCall(RetVals, 
+  SDOperand TheCall = SDOperand(DAG.getCall(RetVals,
                                             Chain, Callee, args_to_use), 0);
   Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
   Chain = DAG.getNode(ISD::ADJCALLSTACKUP, MVT::Other, Chain,
@@ -343,7 +343,7 @@ LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList,
                const Type *ArgTy, SelectionDAG &DAG) {
   abort();
 }
-               
+
 
 std::pair<SDOperand, SDOperand> AlphaTargetLowering::
 LowerFrameReturnAddress(bool isFrameAddress, SDOperand Chain, unsigned Depth,
@@ -362,11 +362,11 @@ namespace {
 /// SelectionDAG operations.
 //===--------------------------------------------------------------------===//
 class ISel : public SelectionDAGISel {
-  
+
   /// AlphaLowering - This object fully describes how to lower LLVM code to an
   /// Alpha-specific SelectionDAG.
   AlphaTargetLowering AlphaLowering;
-  
+
   SelectionDAG *ISelDAG;  // Hack to support us having a dag->dag transform
                           // for sdiv and udiv until it is put into the future
                           // dag combiner.
@@ -376,18 +376,18 @@ class ISel : public SelectionDAGISel {
   /// tree.
   static const unsigned notIn = (unsigned)(-1);
   std::map<SDOperand, unsigned> ExprMap;
-  
+
   //CCInvMap sometimes (SetNE) we have the inverse CC code for free
   std::map<SDOperand, unsigned> CCInvMap;
-  
+
   int count_ins;
   int count_outs;
   bool has_sym;
 
 public:
-  ISel(TargetMachine &TM) : SelectionDAGISel(AlphaLowering), AlphaLowering(TM) 
+  ISel(TargetMachine &TM) : SelectionDAGISel(AlphaLowering), AlphaLowering(TM)
   {}
-  
+
   /// InstructionSelectBasicBlock - This callback is invoked by
   /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
   virtual void InstructionSelectBasicBlock(SelectionDAG &DAG) {
@@ -403,20 +403,20 @@ public:
     if(has_sym)
       ++count_ins;
     if(EnableAlphaCount)
-      std::cerr << "COUNT: " << BB->getParent()->getFunction ()->getName() << " " 
-                << BB->getNumber() << " " 
+      std::cerr << "COUNT: " << BB->getParent()->getFunction ()->getName() << " "
+                << BB->getNumber() << " "
                 << count_ins << " "
                 << count_outs << "\n";
-    
+
     // Clear state used for selection.
     ExprMap.clear();
     CCInvMap.clear();
   }
-  
+
   unsigned SelectExpr(SDOperand N);
   unsigned SelectExprFP(SDOperand N, unsigned Result);
   void Select(SDOperand N);
-  
+
   void SelectAddr(SDOperand N, unsigned& Reg, long& offset);
   void SelectBranchCC(SDOperand N);
   void MoveFP2Int(unsigned src, unsigned dst, bool isDouble);
@@ -453,7 +453,7 @@ static bool factorize(int v[], int res[], int size, uint64_t c)
 
 
 //Shamelessly adapted from PPC32
-// Structure used to return the necessary information to codegen an SDIV as 
+// Structure used to return the necessary information to codegen an SDIV as
 // a multiply.
 struct ms {
   int64_t m; // magic number
@@ -467,14 +467,14 @@ struct mu {
 };
 
 /// magic - calculate the magic numbers required to codegen an integer sdiv as
-/// a sequence of multiply and shifts.  Requires that the divisor not be 0, 1, 
+/// a sequence of multiply and shifts.  Requires that the divisor not be 0, 1,
 /// or -1.
 static struct ms magic(int64_t d) {
   int64_t p;
   uint64_t ad, anc, delta, q1, r1, q2, r2, t;
   const uint64_t two63 = 9223372036854775808ULL; // 2^63
   struct ms mag;
-  
+
   ad = abs(d);
   t = two63 + ((uint64_t)d >> 63);
   anc = t - 1 - t%ad;   // absolute value of nc
@@ -555,7 +555,7 @@ SDOperand ISel::BuildSDIVSequence(SDOperand N) {
   int64_t d = (int64_t)cast<ConstantSDNode>(N.getOperand(1))->getSignExtended();
   ms magics = magic(d);
   // Multiply the numerator (operand 0) by the magic value
-  SDOperand Q = ISelDAG->getNode(ISD::MULHS, MVT::i64, N.getOperand(0), 
+  SDOperand Q = ISelDAG->getNode(ISD::MULHS, MVT::i64, N.getOperand(0),
                                  ISelDAG->getConstant(magics.m, MVT::i64));
   // If d > 0 and m < 0, add the numerator
   if (d > 0 && magics.m < 0)
@@ -565,10 +565,10 @@ SDOperand ISel::BuildSDIVSequence(SDOperand N) {
     Q = ISelDAG->getNode(ISD::SUB, MVT::i64, Q, N.getOperand(0));
   // Shift right algebraic if shift value is nonzero
   if (magics.s > 0)
-    Q = ISelDAG->getNode(ISD::SRA, MVT::i64, Q, 
+    Q = ISelDAG->getNode(ISD::SRA, MVT::i64, Q,
                          ISelDAG->getConstant(magics.s, MVT::i64));
   // Extract the sign bit and add it to the quotient
-  SDOperand T = 
+  SDOperand T =
     ISelDAG->getNode(ISD::SRL, MVT::i64, Q, ISelDAG->getConstant(63, MVT::i64));
   return ISelDAG->getNode(ISD::ADD, MVT::i64, Q, T);
 }
@@ -578,21 +578,21 @@ SDOperand ISel::BuildSDIVSequence(SDOperand N) {
 /// multiplying by a magic number.  See:
 /// <http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html>
 SDOperand ISel::BuildUDIVSequence(SDOperand N) {
-  unsigned d = 
+  unsigned d =
     (unsigned)cast<ConstantSDNode>(N.getOperand(1))->getSignExtended();
   mu magics = magicu(d);
   // Multiply the numerator (operand 0) by the magic value
-  SDOperand Q = ISelDAG->getNode(ISD::MULHU, MVT::i64, N.getOperand(0), 
+  SDOperand Q = ISelDAG->getNode(ISD::MULHU, MVT::i64, N.getOperand(0),
                                  ISelDAG->getConstant(magics.m, MVT::i64));
   if (magics.a == 0) {
-    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, Q, 
+    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, Q,
                          ISelDAG->getConstant(magics.s, MVT::i64));
   } else {
     SDOperand NPQ = ISelDAG->getNode(ISD::SUB, MVT::i64, N.getOperand(0), Q);
-    NPQ = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ, 
+    NPQ = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ,
                            ISelDAG->getConstant(1, MVT::i64));
     NPQ = ISelDAG->getNode(ISD::ADD, MVT::i64, NPQ, Q);
-    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ, 
+    Q = ISelDAG->getNode(ISD::SRL, MVT::i64, NPQ,
                            ISelDAG->getConstant(magics.s-1, MVT::i64));
   }
   return Q;
@@ -701,7 +701,7 @@ bool ISel::SelectFPSetCC(SDOperand N, unsigned dst)
   //assert(SetCC->getOperand(0).getValueType() != MVT::f32 && "SetCC f32 should have been promoted");
   bool rev = false;
   bool inv = false;
-  
+
   switch (SetCC->getCondition()) {
   default: Node->dump(); assert(0 && "Unknown FP comparison!");
   case ISD::SETEQ: Opc = Alpha::CMPTEQ; break;
@@ -711,7 +711,7 @@ bool ISel::SelectFPSetCC(SDOperand N, unsigned dst)
   case ISD::SETGE: Opc = Alpha::CMPTLE; rev = true; break;
   case ISD::SETNE: Opc = Alpha::CMPTEQ; inv = true; break;
   }
-  
+
   //FIXME: check for constant 0.0
   ConstantFPSDNode *CN;
   if ((CN = dyn_cast<ConstantFPSDNode>(SetCC->getOperand(0)))
@@ -719,13 +719,13 @@ bool ISel::SelectFPSetCC(SDOperand N, unsigned dst)
     Tmp1 = Alpha::F31;
   else
     Tmp1 = SelectExpr(N.getOperand(0));
-  
+
   if ((CN = dyn_cast<ConstantFPSDNode>(SetCC->getOperand(1)))
       && (CN->isExactlyValue(+0.0) || CN->isExactlyValue(-0.0)))
     Tmp2 = Alpha::F31;
   else
             Tmp2 = SelectExpr(N.getOperand(1));
-  
+
   //Can only compare doubles, and dag won't promote for me
   if (SetCC->getOperand(0).getValueType() == MVT::f32)
     {
@@ -743,7 +743,7 @@ bool ISel::SelectFPSetCC(SDOperand N, unsigned dst)
       BuildMI(BB, Alpha::CVTST, 1, Tmp3).addReg(Tmp2);
       Tmp2 = Tmp3;
     }
-  
+
   if (rev) std::swap(Tmp1, Tmp2);
   //do the comparison
   BuildMI(BB, Opc, 2, dst).addReg(Tmp1).addReg(Tmp2);
@@ -755,14 +755,14 @@ void ISel::SelectAddr(SDOperand N, unsigned& Reg, long& offset)
 {
   unsigned opcode = N.getOpcode();
   if (opcode == ISD::ADD) {
-    if(N.getOperand(1).getOpcode() == ISD::Constant && 
+    if(N.getOperand(1).getOpcode() == ISD::Constant &&
        cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 32767)
     { //Normal imm add
       Reg = SelectExpr(N.getOperand(0));
       offset = cast<ConstantSDNode>(N.getOperand(1))->getValue();
       return;
     }
-    else if(N.getOperand(0).getOpcode() == ISD::Constant && 
+    else if(N.getOperand(0).getOpcode() == ISD::Constant &&
             cast<ConstantSDNode>(N.getOperand(0))->getValue() <= 32767)
     {
       Reg = SelectExpr(N.getOperand(1));
@@ -778,13 +778,13 @@ void ISel::SelectAddr(SDOperand N, unsigned& Reg, long& offset)
 void ISel::SelectBranchCC(SDOperand N)
 {
   assert(N.getOpcode() == ISD::BRCOND && "Not a BranchCC???");
-  MachineBasicBlock *Dest = 
+  MachineBasicBlock *Dest =
     cast<BasicBlockSDNode>(N.getOperand(2))->getBasicBlock();
   unsigned Opc = Alpha::WTF;
-  
+
   Select(N.getOperand(0));  //chain
   SDOperand CC = N.getOperand(1);
-  
+
   if (CC.getOpcode() == ISD::SETCC)
   {
     SetCCSDNode* SetCC = dyn_cast<SetCCSDNode>(CC.Val);
@@ -795,12 +795,12 @@ void ISel::SelectBranchCC(SDOperand N)
       bool RightZero = SetCC->getOperand(0).getOpcode() == ISD::Constant &&
         cast<ConstantSDNode>(SetCC->getOperand(0))->getValue() == 0;
       bool isNE = false;
-      
+
       //Fix up CC
       ISD::CondCode cCode= SetCC->getCondition();
       if (LeftZero && !RightZero) //Swap Operands
         cCode = ISD::getSetCCSwappedOperands(cCode);
-      
+
       if(cCode == ISD::SETNE)
         isNE = true;
 
@@ -929,7 +929,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
       SDOperand CC = N.getOperand(0);
       SetCCSDNode* SetCC = dyn_cast<SetCCSDNode>(CC.Val);
 
-      if (CC.getOpcode() == ISD::SETCC && 
+      if (CC.getOpcode() == ISD::SETCC &&
           !MVT::isInteger(SetCC->getOperand(0).getValueType()))
       { //FP Setcc -> Select yay!
 
@@ -938,10 +938,10 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
         //a = b: c = 0
         //a < b: c < 0
         //a > b: c > 0
-        
+
         bool invTest = false;
         unsigned Tmp3;
-        
+
         ConstantFPSDNode *CN;
         if ((CN = dyn_cast<ConstantFPSDNode>(SetCC->getOperand(1)))
             && (CN->isExactlyValue(+0.0) || CN->isExactlyValue(-0.0)))
@@ -961,7 +961,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
           BuildMI(BB, isD ? Alpha::SUBT : Alpha::SUBS, 2, Tmp3)
             .addReg(Tmp1).addReg(Tmp2);
         }
-        
+
         switch (SetCC->getCondition()) {
         default: CC.Val->dump(); assert(0 && "Unknown FP comparison!");
         case ISD::SETEQ: Opc = invTest ? Alpha::FCMOVNE : Alpha::FCMOVEQ; break;
@@ -989,16 +989,16 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
     }
 
   case ISD::FP_ROUND:
-    assert (DestType == MVT::f32 && 
-            N.getOperand(0).getValueType() == MVT::f64 && 
+    assert (DestType == MVT::f32 &&
+            N.getOperand(0).getValueType() == MVT::f64 &&
             "only f64 to f32 conversion supported here");
     Tmp1 = SelectExpr(N.getOperand(0));
     BuildMI(BB, Alpha::CVTTS, 1, Result).addReg(Tmp1);
     return Result;
 
   case ISD::FP_EXTEND:
-    assert (DestType == MVT::f64 && 
-            N.getOperand(0).getValueType() == MVT::f32 && 
+    assert (DestType == MVT::f64 &&
+            N.getOperand(0).getValueType() == MVT::f32 &&
             "only f32 to f64 conversion supported here");
     Tmp1 = SelectExpr(N.getOperand(0));
     BuildMI(BB, Alpha::CVTST, 1, Result).addReg(Tmp1);
@@ -1011,16 +1011,16 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
         ExprMap[N.getValue(1)] = notIn;   // Generate the token
       else
         Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
-      
+
       SDOperand Chain   = N.getOperand(0);
-      
+
       Select(Chain);
       unsigned r = dyn_cast<RegSDNode>(Node)->getReg();
       //std::cerr << "CopyFromReg " << Result << " = " << r << "\n";
       BuildMI(BB, Alpha::CPYS, 2, Result).addReg(r).addReg(r);
       return Result;
     }
-    
+
   case ISD::LOAD:
     {
       // Make sure we generate both values.
@@ -1070,7 +1070,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
       }
     }
     return Result;
-    
+
   case ISD::SDIV:
   case ISD::MUL:
   case ISD::ADD:
@@ -1083,7 +1083,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
     };
 
     ConstantFPSDNode *CN;
-    if (opcode == ISD::SUB 
+    if (opcode == ISD::SUB
         && (CN = dyn_cast<ConstantFPSDNode>(N.getOperand(0)))
         && (CN->isExactlyValue(+0.0) || CN->isExactlyValue(-0.0)))
     {
@@ -1103,24 +1103,24 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
         ExprMap[N.getValue(1)] = notIn;   // Generate the token
       else
         Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
-      
+
       Tmp1 = MakeReg(MVT::f32);
-      
-      assert(cast<MVTSDNode>(Node)->getExtraValueType() == MVT::f32 && 
+
+      assert(cast<MVTSDNode>(Node)->getExtraValueType() == MVT::f32 &&
              "EXTLOAD not from f32");
       assert(Node->getValueType(0) == MVT::f64 && "EXTLOAD not to f64");
-      
+
       SDOperand Chain   = N.getOperand(0);
       SDOperand Address = N.getOperand(1);
       Select(Chain);
-      
+
       if (Address.getOpcode() == ISD::GlobalAddress) {
         AlphaLowering.restoreGP(BB);
         has_sym = true;
         BuildMI(BB, Alpha::LDS_SYM, 1, Tmp1).addGlobalAddress(cast<GlobalAddressSDNode>(Address)->getGlobal());
       }
-      else if (ConstantPoolSDNode *CP = 
-               dyn_cast<ConstantPoolSDNode>(N.getOperand(1))) 
+      else if (ConstantPoolSDNode *CP =
+               dyn_cast<ConstantPoolSDNode>(N.getOperand(1)))
       {
         AlphaLowering.restoreGP(BB);
         has_sym = true;
@@ -1143,7 +1143,7 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
   case ISD::UINT_TO_FP:
   case ISD::SINT_TO_FP:
     {
-      assert (N.getOperand(0).getValueType() == MVT::i64 
+      assert (N.getOperand(0).getValueType() == MVT::i64
               && "only quads can be loaded from");
       Tmp1 = SelectExpr(N.getOperand(0));  // Get the operand register
       Tmp2 = MakeReg(MVT::f64);
@@ -1188,9 +1188,9 @@ unsigned ISel::SelectExpr(SDOperand N) {
 
   if (DestType == MVT::f64 || DestType == MVT::f32 ||
       (
-       (opcode == ISD::LOAD || opcode == ISD::CopyFromReg || 
+       (opcode == ISD::LOAD || opcode == ISD::CopyFromReg ||
         opcode == ISD::EXTLOAD) &&
-       (N.getValue(0).getValueType() == MVT::f32 || 
+       (N.getValue(0).getValueType() == MVT::f32 ||
         N.getValue(0).getValueType() == MVT::f64)
        )
       )
@@ -1200,7 +1200,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
   default:
     Node->dump();
     assert(0 && "Node not handled!\n");
- 
+
   case ISD::MULHU:
     Tmp1 = SelectExpr(N.getOperand(0));
     Tmp2 = SelectExpr(N.getOperand(1));
@@ -1226,7 +1226,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
     BuildMI(BB, Alpha::IDEF, 0, Result);
     return Result;
   }
-    
+
   case ISD::DYNAMIC_STACKALLOC:
     // Generate both result values.
     if (Result != notIn)
@@ -1244,7 +1244,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
                 << " the stack alignment yet!";
       abort();
     }
-  
+
     Select(N.getOperand(0));
     if (ConstantSDNode* CN = dyn_cast<ConstantSDNode>(N.getOperand(1)))
     {
@@ -1279,35 +1279,35 @@ unsigned ISel::SelectExpr(SDOperand N) {
       .addFrameIndex(cast<FrameIndexSDNode>(N)->getIndex())
       .addReg(Alpha::F31);
     return Result;
-  
+
   case ISD::EXTLOAD:
   case ISD::ZEXTLOAD:
   case ISD::SEXTLOAD:
-  case ISD::LOAD: 
+  case ISD::LOAD:
     {
       // Make sure we generate both values.
       if (Result != notIn)
         ExprMap[N.getValue(1)] = notIn;   // Generate the token
       else
         Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
-    
+
       SDOperand Chain   = N.getOperand(0);
       SDOperand Address = N.getOperand(1);
       Select(Chain);
 
-      assert(Node->getValueType(0) == MVT::i64 && 
+      assert(Node->getValueType(0) == MVT::i64 &&
              "Unknown type to sign extend to.");
       if (opcode == ISD::LOAD)
         Opc = Alpha::LDQ;
       else
         switch (cast<MVTSDNode>(Node)->getExtraValueType()) {
         default: Node->dump(); assert(0 && "Bad sign extend!");
-        case MVT::i32: Opc = Alpha::LDL; 
+        case MVT::i32: Opc = Alpha::LDL;
           assert(opcode != ISD::ZEXTLOAD && "Not sext"); break;
-        case MVT::i16: Opc = Alpha::LDWU; 
+        case MVT::i16: Opc = Alpha::LDWU;
           assert(opcode != ISD::SEXTLOAD && "Not zext"); break;
         case MVT::i1: //FIXME: Treat i1 as i8 since there are problems otherwise
-        case MVT::i8: Opc = Alpha::LDBU; 
+        case MVT::i8: Opc = Alpha::LDBU;
           assert(opcode != ISD::SEXTLOAD && "Not zext"); break;
         }
 
@@ -1345,28 +1345,28 @@ unsigned ISel::SelectExpr(SDOperand N) {
   case ISD::CALL:
     {
       Select(N.getOperand(0));
-      
+
       // The chain for this call is now lowered.
       ExprMap.insert(std::make_pair(N.getValue(Node->getNumValues()-1), notIn));
-      
+
       //grab the arguments
       std::vector<unsigned> argvregs;
       //assert(Node->getNumOperands() < 8 && "Only 6 args supported");
       for(int i = 2, e = Node->getNumOperands(); i < e; ++i)
         argvregs.push_back(SelectExpr(N.getOperand(i)));
-      
+
       //in reg args
       for(int i = 0, e = std::min(6, (int)argvregs.size()); i < e; ++i)
       {
-        unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18, 
+        unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
                                Alpha::R19, Alpha::R20, Alpha::R21};
-        unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18, 
+        unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
                                  Alpha::F19, Alpha::F20, Alpha::F21};
         switch(N.getOperand(i+2).getValueType()) {
-        default: 
-          Node->dump(); 
+        default:
+          Node->dump();
           N.getOperand(i).Val->dump();
-          std::cerr << "Type for " << i << " is: " << 
+          std::cerr << "Type for " << i << " is: " <<
             N.getOperand(i+2).getValueType() << "\n";
           assert(0 && "Unknown value type for call");
         case MVT::i1:
@@ -1386,10 +1386,10 @@ unsigned ISel::SelectExpr(SDOperand N) {
       for (int i = 6, e = argvregs.size(); i < e; ++i)
       {
         switch(N.getOperand(i+2).getValueType()) {
-        default: 
-          Node->dump(); 
+        default:
+          Node->dump();
           N.getOperand(i).Val->dump();
-          std::cerr << "Type for " << i << " is: " << 
+          std::cerr << "Type for " << i << " is: " <<
             N.getOperand(i+2).getValueType() << "\n";
           assert(0 && "Unknown value type for call");
         case MVT::i1:
@@ -1409,7 +1409,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       }
       //build the right kind of call
       if (GlobalAddressSDNode *GASD =
-          dyn_cast<GlobalAddressSDNode>(N.getOperand(1))) 
+          dyn_cast<GlobalAddressSDNode>(N.getOperand(1)))
       {
         if (GASD->getGlobal()->isExternal()) {
           //use safe calling convention
@@ -1421,9 +1421,9 @@ unsigned ISel::SelectExpr(SDOperand N) {
           AlphaLowering.restoreGP(BB);
           BuildMI(BB, Alpha::BSR, 1, Alpha::R26).addGlobalAddress(GASD->getGlobal(),true);
         }
-      } 
+      }
       else if (ExternalSymbolSDNode *ESSDN =
-               dyn_cast<ExternalSymbolSDNode>(N.getOperand(1))) 
+               dyn_cast<ExternalSymbolSDNode>(N.getOperand(1)))
       {
         AlphaLowering.restoreGP(BB);
         has_sym = true;
@@ -1434,9 +1434,9 @@ unsigned ISel::SelectExpr(SDOperand N) {
         BuildMI(BB, Alpha::BIS, 2, Alpha::R27).addReg(Tmp1).addReg(Tmp1);
         BuildMI(BB, Alpha::JSR, 2, Alpha::R26).addReg(Alpha::R27).addImm(0);
       }
-      
+
       //push the result into a virtual register
-      
+
       switch (Node->getValueType(0)) {
       default: Node->dump(); assert(0 && "Unknown value type for call result!");
       case MVT::Other: return notIn;
@@ -1453,8 +1453,8 @@ unsigned ISel::SelectExpr(SDOperand N) {
 	break;
       }
       return Result+N.ResNo;
-    }    
-    
+    }
+
   case ISD::SIGN_EXTEND_INREG:
     {
       //do SDIV opt for all levels of ints if not dividing by a constant
@@ -1479,7 +1479,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
         MoveFP2Int(Tmp9, Result, true);
         return Result;
       }
-      
+
       //Alpha has instructions for a bunch of signed 32 bit stuff
       if( dyn_cast<MVTSDNode>(Node)->getExtraValueType() == MVT::i32)
       {
@@ -1559,7 +1559,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       }
       return Result;
     }
-    
+
   case ISD::SETCC:
     {
       if (SetCCSDNode *SetCC = dyn_cast<SetCCSDNode>(Node)) {
@@ -1567,7 +1567,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
           bool isConst1 = false;
           bool isConst2 = false;
           int dir;
-	  
+	
           //Tmp1 = SelectExpr(N.getOperand(0));
           if(N.getOperand(0).getOpcode() == ISD::Constant &&
              cast<ConstantSDNode>(N.getOperand(0))->getValue() <= 255)
@@ -1579,21 +1579,21 @@ unsigned ISel::SelectExpr(SDOperand N) {
           switch (SetCC->getCondition()) {
           default: Node->dump(); assert(0 && "Unknown integer comparison!");
           case ISD::SETEQ: Opc = Alpha::CMPEQ; dir=0; break;
-          case ISD::SETLT: 
+          case ISD::SETLT:
             Opc = isConst2 ? Alpha::CMPLTi : Alpha::CMPLT; dir = 1; break;
-          case ISD::SETLE: 
+          case ISD::SETLE:
             Opc = isConst2 ? Alpha::CMPLEi : Alpha::CMPLE; dir = 1; break;
-          case ISD::SETGT: 
+          case ISD::SETGT:
             Opc = isConst1 ? Alpha::CMPLTi : Alpha::CMPLT; dir = 2; break;
-          case ISD::SETGE: 
+          case ISD::SETGE:
             Opc = isConst1 ? Alpha::CMPLEi : Alpha::CMPLE; dir = 2; break;
-          case ISD::SETULT: 
+          case ISD::SETULT:
             Opc = isConst2 ? Alpha::CMPULTi : Alpha::CMPULT; dir = 1; break;
-          case ISD::SETUGT: 
+          case ISD::SETUGT:
             Opc = isConst1 ? Alpha::CMPULTi : Alpha::CMPULT; dir = 2; break;
-          case ISD::SETULE: 
+          case ISD::SETULE:
             Opc = isConst2 ? Alpha::CMPULEi : Alpha::CMPULE; dir = 1; break;
-          case ISD::SETUGE: 
+          case ISD::SETUGE:
             Opc = isConst1 ? Alpha::CMPULEi : Alpha::CMPULE; dir = 2; break;
           case ISD::SETNE: {//Handle this one special
             //std::cerr << "Alpha does not have a setne.\n";
@@ -1656,7 +1656,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       }
       return Result;
     }
-    
+
   case ISD::CopyFromReg:
     {
       ++count_ins;
@@ -1666,7 +1666,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
 	ExprMap[N.getValue(1)] = notIn;   // Generate the token
       else
 	Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
-        
+
       SDOperand Chain   = N.getOperand(0);
 
       Select(Chain);
@@ -1676,7 +1676,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       return Result;
     }
 
-    //Most of the plain arithmetic and logic share the same form, and the same 
+    //Most of the plain arithmetic and logic share the same form, and the same
     //constant immediate test
   case ISD::XOR:
     //Match Not
@@ -1711,7 +1711,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
     }
   case ISD::OR:
     //Check operand(0) == Not
-    if (N.getOperand(0).getOpcode() == ISD::XOR && 
+    if (N.getOperand(0).getOpcode() == ISD::XOR &&
         N.getOperand(0).getOperand(1).getOpcode() == ISD::Constant &&
 	cast<ConstantSDNode>(N.getOperand(0).getOperand(1))->getSignExtended() == -1)
       {
@@ -1726,7 +1726,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
 	return Result;
       }
     //Check operand(1) == Not
-    if (N.getOperand(1).getOpcode() == ISD::XOR && 
+    if (N.getOperand(1).getOpcode() == ISD::XOR &&
         N.getOperand(1).getOperand(1).getOpcode() == ISD::Constant &&
 	cast<ConstantSDNode>(N.getOperand(1).getOperand(1))->getSignExtended() == -1)
       {
@@ -1776,7 +1776,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
     }
     return Result;
-    
+
   case ISD::ADD:
   case ISD::SUB:
     {
@@ -1889,7 +1889,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
         // If this is a divide by constant, we can emit code using some magic
         // constants to implement it as a multiply instead.
         ExprMap.erase(N);
-        if (opcode == ISD::SDIV) 
+        if (opcode == ISD::SDIV)
           return SelectExpr(BuildSDIVSequence(N));
         else
           return SelectExpr(BuildUDIVSequence(N));
@@ -1898,7 +1898,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
     //else fall though
   case ISD::UREM:
   case ISD::SREM:
-    //FIXME: alpha really doesn't support any of these operations, 
+    //FIXME: alpha really doesn't support any of these operations,
     // the ops are expanded into special library calls with
     // special calling conventions
     //Restore GP because it is a call after all...
@@ -1912,10 +1912,10 @@ unsigned ISel::SelectExpr(SDOperand N) {
     Tmp2 = SelectExpr(N.getOperand(1));
     //set up regs explicitly (helps Reg alloc)
     BuildMI(BB, Alpha::BIS, 2, Alpha::R24).addReg(Tmp1).addReg(Tmp1);
-    BuildMI(BB, Alpha::BIS, 2, Alpha::R25).addReg(Tmp2).addReg(Tmp2); 
+    BuildMI(BB, Alpha::BIS, 2, Alpha::R25).addReg(Tmp2).addReg(Tmp2);
     AlphaLowering.restoreGP(BB);
     BuildMI(BB, Opc, 2).addReg(Alpha::R24).addReg(Alpha::R25);
-    BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R27).addReg(Alpha::R27); 
+    BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R27).addReg(Alpha::R27);
     return Result;
 
   case ISD::FP_TO_UINT:
@@ -1934,7 +1934,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       Tmp2 = MakeReg(MVT::f64);
       BuildMI(BB, Alpha::CVTTQ, 1, Tmp2).addReg(Tmp1);
       MoveFP2Int(Tmp2, Result, true);
-      
+
       return Result;
     }
 
@@ -1950,7 +1950,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       SDOperand CC = N.getOperand(0);
       SetCCSDNode* SetCC = dyn_cast<SetCCSDNode>(CC.Val);
 
-      if (CC.getOpcode() == ISD::SETCC && 
+      if (CC.getOpcode() == ISD::SETCC &&
           !MVT::isInteger(SetCC->getOperand(0).getValueType()))
       { //FP Setcc -> Int Select
 	Tmp1 = MakeReg(MVT::f64);
@@ -1986,7 +1986,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
             cCode = ISD::getSetCCInverse(cCode, true);
           if (LeftZero && !RightZero) //Swap Operands
             cCode = ISD::getSetCCSwappedOperands(cCode);
-          
+
           //Choose the CMOV
           switch (cCode) {
           default: CC.Val->dump(); assert(0 && "Unknown integer comparison!");
@@ -2029,7 +2029,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       Tmp2 = SelectExpr(N.getOperand(1)); //Use if TRUE
       Tmp3 = SelectExpr(N.getOperand(2)); //Use if FALSE
       BuildMI(BB, Alpha::CMOVEQ, 2, Result).addReg(Tmp2).addReg(Tmp3).addReg(Tmp1);
-      
+
       return Result;
     }
 
@@ -2067,7 +2067,7 @@ void ISel::Select(SDOperand N) {
     return;  // Already selected.
 
   SDNode *Node = N.Val;
-  
+
   switch (opcode) {
 
   default:
@@ -2093,16 +2093,16 @@ void ISel::Select(SDOperand N) {
     Select(N.getOperand(0));
     BuildMI(BB, Alpha::IDEF, 0, cast<RegSDNode>(N)->getReg());
     return;
-    
+
   case ISD::EntryToken: return;  // Noop
 
   case ISD::TokenFactor:
     for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
       Select(Node->getOperand(i));
-    
+
     //N.Val->dump(); std::cerr << "\n";
     //assert(0 && "Node not handled yet!");
-    
+
     return;
 
   case ISD::CopyToReg:
@@ -2110,9 +2110,9 @@ void ISel::Select(SDOperand N) {
     Select(N.getOperand(0));
     Tmp1 = SelectExpr(N.getOperand(1));
     Tmp2 = cast<RegSDNode>(N)->getReg();
-    
+
     if (Tmp1 != Tmp2) {
-      if (N.getOperand(1).getValueType() == MVT::f64 || 
+      if (N.getOperand(1).getValueType() == MVT::f64 ||
           N.getOperand(1).getValueType() == MVT::f32)
         BuildMI(BB, Alpha::CPYS, 2, Tmp2).addReg(Tmp1).addReg(Tmp1);
       else
@@ -2133,7 +2133,7 @@ void ISel::Select(SDOperand N) {
       Select(N.getOperand(0));
       Tmp1 = SelectExpr(N.getOperand(1));
       switch (N.getOperand(1).getValueType()) {
-      default: Node->dump(); 
+      default: Node->dump();
         assert(0 && "All other types should have been promoted!!");
       case MVT::f64:
       case MVT::f32:
@@ -2154,8 +2154,8 @@ void ISel::Select(SDOperand N) {
     BuildMI(BB, Alpha::RETURN, 0); // Just emit a 'ret' instruction
     return;
 
-  case ISD::TRUNCSTORE: 
-  case ISD::STORE: 
+  case ISD::TRUNCSTORE:
+  case ISD::STORE:
     {
       SDOperand Chain   = N.getOperand(0);
       SDOperand Value = N.getOperand(1);
@@ -2218,7 +2218,7 @@ void ISel::Select(SDOperand N) {
   case ISD::ADJCALLSTACKUP:
     Select(N.getOperand(0));
     Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
-    
+
     Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? Alpha::ADJUSTSTACKDOWN :
       Alpha::ADJUSTSTACKUP;
     BuildMI(BB, Opc, 1).addImm(Tmp1);
@@ -2238,6 +2238,6 @@ void ISel::Select(SDOperand N) {
 /// description file.
 ///
 FunctionPass *llvm::createAlphaPatternInstructionSelector(TargetMachine &TM) {
-  return new ISel(TM);  
+  return new ISel(TM);
 }
 
diff --git a/lib/Target/Alpha/AlphaInstrInfo.cpp b/lib/Target/Alpha/AlphaInstrInfo.cpp
index e891a0156e..ebbc4442d9 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.cpp
+++ b/lib/Target/Alpha/AlphaInstrInfo.cpp
@@ -1,10 +1,10 @@
 //===- AlphaInstrInfo.cpp - Alpha Instruction Information -------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the Alpha implementation of the TargetInstrInfo class.
diff --git a/lib/Target/Alpha/AlphaInstrInfo.h b/lib/Target/Alpha/AlphaInstrInfo.h
index 74ec49aa4c..2ee13a0cc2 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.h
+++ b/lib/Target/Alpha/AlphaInstrInfo.h
@@ -1,10 +1,10 @@
 //===- AlphaInstrInfo.h - Alpha Instruction Information ---------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the Alpha implementation of the TargetInstrInfo class.
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index eb208a2f2b..c9c32dd49d 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -1,10 +1,10 @@
 //===- AlphaRegisterInfo.cpp - Alpha Register Information -------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the Alpha implementation of the MRegisterInfo class.
@@ -62,7 +62,7 @@ static const TargetRegisterClass *getClass(unsigned SrcReg) {
   return Alpha::GPRCRegisterClass;
 }
 
-void 
+void
 AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
                                        MachineBasicBlock::iterator MI,
                                        unsigned SrcReg, int FrameIdx) const {
@@ -98,7 +98,7 @@ void AlphaRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
     BuildMI(MBB, MI, Alpha::BIS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
   } else if (RC == Alpha::FPRCRegisterClass) {
     BuildMI(MBB, MI, Alpha::CPYS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
-  } else { 
+  } else {
     std::cerr << "Attempt to copy register that is not GPR or FPR";
      abort();
   }
@@ -142,7 +142,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
  	New=BuildMI(Alpha::LDA, 2, Alpha::R30)
           .addImm(Amount).addReg(Alpha::R30);
       }
-      
+
       // Replace the pseudo instruction with a new instruction...
       MBB.insert(I, New);
     }
@@ -152,7 +152,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
 }
 
 //Alpha has a slightly funny stack:
-//Args 
+//Args
 //<- incoming SP
 //fixed locals (and spills, callee saved, etc)
 //<- FP
@@ -176,15 +176,15 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
 
   // Add the base register of R30 (SP) or R15 (FP).
   MI.SetMachineOperandReg(i + 1, FP ? Alpha::R15 : Alpha::R30);
-  
+
   // Now add the frame object offset to the offset from the virtual frame index.
   int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex);
 
   DEBUG(std::cerr << "FI: " << FrameIndex << " Offset: " << Offset << "\n");
 
   Offset += MF.getFrameInfo()->getStackSize();
-  
-  DEBUG(std::cerr << "Corrected Offset " << Offset << 
+
+  DEBUG(std::cerr << "Corrected Offset " << Offset <<
         " for stack size: " << MF.getFrameInfo()->getStackSize() << "\n");
 
   if (Offset > IMM_HIGH || Offset < IMM_LOW) {
@@ -192,7 +192,7 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
     //inst off the SP/FP
     //fix up the old:
     MI.SetMachineOperandReg(i + 1, Alpha::R28);
-    MI.SetMachineOperandConst(i, MachineOperand::MO_SignExtendedImmed, 
+    MI.SetMachineOperandConst(i, MachineOperand::MO_SignExtendedImmed,
                               getLower16(Offset));
     //insert the new
     MachineInstr* nMI=BuildMI(Alpha::LDAH, 2, Alpha::R28)
@@ -210,24 +210,24 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineInstr *MI;
   bool FP = hasFP(MF);
-  
+
   //handle GOP offset
   MI = BuildMI(Alpha::LDGP, 0);
   MBB.insert(MBBI, MI);
   //evil const_cast until MO stuff setup to handle const
   MI = BuildMI(Alpha::ALTENT, 1).addGlobalAddress(const_cast<Function*>(MF.getFunction()), true);
   MBB.insert(MBBI, MI);
-                                                  
+
   // Get the number of bytes to allocate from the FrameInfo
   long NumBytes = MFI->getStackSize();
 
   if (MFI->hasCalls() && !FP) {
-    // We reserve argument space for call sites in the function immediately on 
-    // entry to the current function.  This eliminates the need for add/sub 
+    // We reserve argument space for call sites in the function immediately on
+    // entry to the current function.  This eliminates the need for add/sub
     // brackets around call sites.
     //If there is a frame pointer, then we don't do this
     NumBytes += MFI->getMaxCallFrameSize();
-    DEBUG(std::cerr << "Added " << MFI->getMaxCallFrameSize() 
+    DEBUG(std::cerr << "Added " << MFI->getMaxCallFrameSize()
           << " to the stack due to calls\n");
   }
 
@@ -274,9 +274,9 @@ void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF,
   MachineInstr *MI;
   assert((MBBI->getOpcode() == Alpha::RET || MBBI->getOpcode() == Alpha::RETURN) &&
 	 "Can only insert epilog into returning blocks");
-  
+
   bool FP = hasFP(MF);
- 
+
   // Get the number of bytes allocated from the FrameInfo...
   long NumBytes = MFI->getStackSize();
 
@@ -291,7 +291,7 @@ void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF,
     MBB.insert(MBBI, MI);
   }
 
-   if (NumBytes != 0) 
+   if (NumBytes != 0)
      {
        if (NumBytes <= IMM_HIGH) {
          MI=BuildMI(Alpha::LDA, 2, Alpha::R30).addImm(NumBytes).addReg(Alpha::R30);
@@ -324,7 +324,7 @@ AlphaRegisterInfo::getRegClassForType(const Type* Ty) const {
     case Type::PointerTyID:
     case Type::LongTyID:
     case Type::ULongTyID:  return &GPRCInstance;
-     
+
   case Type::FloatTyID:
   case Type::DoubleTyID: return &FPRCInstance;
   }
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.h b/lib/Target/Alpha/AlphaRegisterInfo.h
index 68d0306f0d..3374a26190 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.h
+++ b/lib/Target/Alpha/AlphaRegisterInfo.h
@@ -1,10 +1,10 @@
 //===- AlphaRegisterInfo.h - Alpha Register Information Impl ----*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the Alpha implementation of the MRegisterInfo class.
@@ -33,7 +33,7 @@ struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
   void loadRegFromStackSlot(MachineBasicBlock &MBB,
                             MachineBasicBlock::iterator MBBI,
                             unsigned DestReg, int FrameIndex) const;
-  
+
   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *RC) const;
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index 7bc4852105..83e95a7cb3 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -1,12 +1,12 @@
 //===-- AlphaTargetMachine.cpp - Define TargetMachine for Alpha -----------===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
-// 
+//
 //
 //===----------------------------------------------------------------------===//
 
@@ -27,8 +27,8 @@ namespace {
 }
 
 namespace llvm {
-  cl::opt<bool> EnableAlphaLSR("enable-lsr-for-alpha", 
-                             cl::desc("Enable LSR for Alpha (beta option!)"), 
+  cl::opt<bool> EnableAlphaLSR("enable-lsr-for-alpha",
+                             cl::desc("Enable LSR for Alpha (beta option!)"),
                              cl::Hidden);
 }
 
@@ -50,7 +50,7 @@ unsigned AlphaTargetMachine::getModuleMatchQuality(const Module &M) {
 }
 
 AlphaTargetMachine::AlphaTargetMachine( const Module &M, IntrinsicLowering *IL)
-  : TargetMachine("alpha", IL, true), 
+  : TargetMachine("alpha", IL, true),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) //TODO: check these
 {}
 
@@ -59,7 +59,7 @@ AlphaTargetMachine::AlphaTargetMachine( const Module &M, IntrinsicLowering *IL)
 ///
 bool AlphaTargetMachine::addPassesToEmitAssembly(PassManager &PM,
                                                    std::ostream &Out) {
-  
+
   if (EnableAlphaLSR) {
     PM.add(createLoopStrengthReducePass());
     PM.add(createCFGSimplificationPass());
@@ -88,12 +88,12 @@ bool AlphaTargetMachine::addPassesToEmitAssembly(PassManager &PM,
     PM.add(createMachineFunctionPrinterPass(&std::cerr));
 
   PM.add(createPrologEpilogCodeInserter());
-  
+
   // Must run branch selection immediately preceding the asm printer
   //PM.add(createAlphaBranchSelectionPass());
-  
+
   PM.add(createAlphaCodePrinterPass(Out, *this));
-    
+
   PM.add(createMachineCodeDeleter());
   return false;
 }
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index 166624253d..883efe2c1b 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -1,12 +1,12 @@
 //===-- AlphaTargetMachine.h - Define TargetMachine for Alpha ---*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
-// 
+//
 // This file declares the Alpha-specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//
@@ -30,13 +30,13 @@ class AlphaTargetMachine : public TargetMachine {
 
 public:
   AlphaTargetMachine(const Module &M, IntrinsicLowering *IL);
-  
-  virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }    
+
+  virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
   virtual const MRegisterInfo *getRegisterInfo() const {
     return &InstrInfo.getRegisterInfo();
   }
- 
+
   virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
 
   static unsigned getModuleMatchQuality(const Module &M);
diff --git a/lib/Target/IA64/IA64.h b/lib/Target/IA64/IA64.h
index 204080155d..4eda1903c5 100644
--- a/lib/Target/IA64/IA64.h
+++ b/lib/Target/IA64/IA64.h
@@ -3,7 +3,7 @@
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the entry points for global functions defined in the IA64
diff --git a/lib/Target/IA64/IA64AsmPrinter.cpp b/lib/Target/IA64/IA64AsmPrinter.cpp
index c1a9c40d51..5eaa6fab31 100644
--- a/lib/Target/IA64/IA64AsmPrinter.cpp
+++ b/lib/Target/IA64/IA64AsmPrinter.cpp
@@ -1,10 +1,10 @@
 //===-- IA64AsmPrinter.cpp - Print out IA64 LLVM as assembly --------------===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains a printer that converts from our internal representation
@@ -37,7 +37,7 @@ namespace {
   struct IA64SharedAsmPrinter : public AsmPrinter {
 
     std::set<std::string> ExternalFunctionNames, ExternalObjectNames;
-    
+
     IA64SharedAsmPrinter(std::ostream &O, TargetMachine &TM)
       : AsmPrinter(O, TM) { }
 
@@ -81,7 +81,7 @@ static void SwitchSection(std::ostream &OS, std::string &CurSection,
 void IA64SharedAsmPrinter::printConstantPool(MachineConstantPool *MCP) {
   const std::vector<Constant*> &CP = MCP->getConstants();
   const TargetData &TD = TM.getTargetData();
- 
+
   if (CP.empty()) return;
 
   O << "\n\t.section .data, \"aw\", \"progbits\"\n";
@@ -108,7 +108,7 @@ bool IA64SharedAsmPrinter::doFinalization(Module &M) {
       unsigned Size = TD.getTypeSize(C->getType());
       unsigned Align = TD.getTypeAlignmentShift(C->getType());
 
-      if (C->isNullValue() && 
+      if (C->isNullValue() &&
           (I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
            I->hasWeakLinkage() /* FIXME: Verify correct */)) {
         SwitchSection(O, CurSection, ".data");
@@ -170,7 +170,7 @@ bool IA64SharedAsmPrinter::doFinalization(Module &M) {
     O << "\t.global " << *i << "\n\t.type " << *i << ", @function\n";
   }
   O << "\n\n";
- 
+
   // we print out ".global X \n .type X, @object" for each external object
   O << "\n\n// (external) symbols referenced (and not defined) above: \n";
   for (std::set<std::string>::iterator i = ExternalObjectNames.begin(),
@@ -224,7 +224,7 @@ namespace {
         printOp(MO);
       }
     }
-    
+
     void printS8ImmOperand(const MachineInstr *MI, unsigned OpNo,
                             MVT::ValueType VT) {
       int val=(unsigned int)MI->getOperand(OpNo).getImmedValue();
@@ -251,15 +251,15 @@ namespace {
                             MVT::ValueType VT) {
       O << (int64_t)MI->getOperand(OpNo).getImmedValue();
     }
-  
+
     void printCallOperand(const MachineInstr *MI, unsigned OpNo,
                           MVT::ValueType VT) {
-      printOp(MI->getOperand(OpNo), true); // this is a br.call instruction 
+      printOp(MI->getOperand(OpNo), true); // this is a br.call instruction
     }
 
     void printMachineInstruction(const MachineInstr *MI);
     void printOp(const MachineOperand &MO, bool isBRCALLinsn= false);
-    bool runOnMachineFunction(MachineFunction &F);    
+    bool runOnMachineFunction(MachineFunction &F);
     bool doInitialization(Module &M);
   };
 } // end of anonymous namespace
@@ -355,11 +355,11 @@ void IA64AsmPrinter::printOp(const MachineOperand &MO,
 			 // @ltoff(@fptr(X)) ?
     if(F && !isBRCALLinsn /*&& F->isExternal()*/)
       Needfptr=true;
-   
+
     // if this is the target of a call instruction, we should define
     // the function somewhere (GNU gas has no problem without this, but
     // Intel ias rightly complains of an 'undefined symbol')
-  
+
     if(F /*&& isBRCALLinsn*/ && F->isExternal())
       ExternalFunctionNames.insert(Mang->getValueName(MO.getGlobal()));
     else
@@ -387,7 +387,7 @@ void IA64AsmPrinter::printOp(const MachineOperand &MO,
     ExternalFunctionNames.insert(MO.getSymbolName());
     return;
   default:
-    O << "<AsmPrinter: unknown operand type: " << MO.getType() << " >"; return;    
+    O << "<AsmPrinter: unknown operand type: " << MO.getType() << " >"; return;
   }
 }
 
@@ -395,16 +395,16 @@ void IA64AsmPrinter::printOp(const MachineOperand &MO,
 /// MI to the current output stream.
 ///
 void IA64AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
-  
+
   ++EmittedInsts;
-  
+
   // Call the autogenerated instruction printer routines.
   printInstruction(MI);
 }
 
 bool IA64AsmPrinter::doInitialization(Module &M) {
   AsmPrinter::doInitialization(M);
-  
+
   O << "\n.ident \"LLVM-ia64\"\n\n"
     << "\t.psr	  lsb\n"  // should be "msb" on HP-UX, for starters
     << "\t.radix  C\n"
diff --git a/lib/Target/IA64/IA64ISelPattern.cpp b/lib/Target/IA64/IA64ISelPattern.cpp
index 3e74802d1a..0514c58626 100644
--- a/lib/Target/IA64/IA64ISelPattern.cpp
+++ b/lib/Target/IA64/IA64ISelPattern.cpp
@@ -1,10 +1,10 @@
 //===-- IA64ISelPattern.cpp - A pattern matching inst selector for IA64 ---===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines a pattern matching instruction selector for IA64.
@@ -36,7 +36,7 @@ using namespace llvm;
 namespace {
   class IA64TargetLowering : public TargetLowering {
     int VarArgsFrameIndex;            // FrameIndex for start of varargs area.
-    
+
     //int ReturnAddrIndex;              // FrameIndex for return slot.
     unsigned GP, SP, RP; // FIXME - clean this mess up
   public:
@@ -45,20 +45,20 @@ namespace {
    // for ISD::RET down below. add an accessor instead? FIXME
 
    IA64TargetLowering(TargetMachine &TM) : TargetLowering(TM) {
-      
+
       // register class for general registers
       addRegisterClass(MVT::i64, IA64::GRRegisterClass);
 
       // register class for FP registers
       addRegisterClass(MVT::f64, IA64::FPRegisterClass);
-      
-      // register class for predicate registers 
+
+      // register class for predicate registers
       addRegisterClass(MVT::i1, IA64::PRRegisterClass);
-      
+
       setOperationAction(ISD::BRCONDTWOWAY     , MVT::Other, Expand);
       setOperationAction(ISD::FP_ROUND_INREG   , MVT::f32  , Expand);
 
-      setSetCCResultType(MVT::i1); 
+      setSetCCResultType(MVT::i1);
       setShiftAmountType(MVT::i64);
 
       setOperationAction(ISD::EXTLOAD          , MVT::i1   , Promote);
@@ -75,7 +75,7 @@ namespace {
 
       setOperationAction(ISD::UREM             , MVT::f32  , Expand);
       setOperationAction(ISD::UREM             , MVT::f64  , Expand);
-      
+
       setOperationAction(ISD::MEMMOVE          , MVT::Other, Expand);
       setOperationAction(ISD::MEMSET           , MVT::Other, Expand);
       setOperationAction(ISD::MEMCPY           , MVT::Other, Expand);
@@ -154,33 +154,33 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
 
   MachineBasicBlock& BB = MF.front();
 
-  unsigned args_int[] = {IA64::r32, IA64::r33, IA64::r34, IA64::r35, 
+  unsigned args_int[] = {IA64::r32, IA64::r33, IA64::r34, IA64::r35,
                          IA64::r36, IA64::r37, IA64::r38, IA64::r39};
- 
-  unsigned args_FP[] = {IA64::F8, IA64::F9, IA64::F10, IA64::F11, 
+
+  unsigned args_FP[] = {IA64::F8, IA64::F9, IA64::F10, IA64::F11,
                         IA64::F12,IA64::F13,IA64::F14, IA64::F15};
- 
+
   unsigned argVreg[8];
   unsigned argPreg[8];
   unsigned argOpc[8];
 
   unsigned used_FPArgs = 0; // how many FP args have been used so far?
- 
+
   unsigned ArgOffset = 0;
   int count = 0;
-  
+
   for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end(); I != E; ++I)
     {
       SDOperand newroot, argt;
       if(count < 8) { // need to fix this logic? maybe.
-	  
+	
 	switch (getValueType(I->getType())) {
 	  default:
 	    std::cerr << "ERROR in LowerArgs: unknown type "
 	      << getValueType(I->getType()) << "\n";
 	    abort();
 	  case MVT::f32:
-	    // fixme? (well, will need to for weird FP structy stuff, 
+	    // fixme? (well, will need to for weird FP structy stuff,
 	    // see intel ABI docs)
 	  case MVT::f64:
 //XXX	    BuildMI(&BB, IA64::IDEF, 0, args_FP[used_FPArgs]);
@@ -202,10 +202,10 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
 	  case MVT::i64:
 //XXX	    BuildMI(&BB, IA64::IDEF, 0, args_int[count]);
 	    MF.addLiveIn(args_int[count]); // mark this register as liveIn
-	    argVreg[count] = 
+	    argVreg[count] =
 	    MF.getSSARegMap()->createVirtualRegister(getRegClassFor(MVT::i64));
 	    argPreg[count] = args_int[count];
-	    argOpc[count] = IA64::MOV; 
+	    argOpc[count] = IA64::MOV;
 	    argt = newroot =
 	      DAG.getCopyFromReg(argVreg[count], MVT::i64, DAG.getRoot());
 	    if ( getValueType(I->getType()) != MVT::i64)
@@ -217,19 +217,19 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
 	// Create the frame index object for this incoming parameter...
 	ArgOffset = 16 + 8 * (count - 8);
 	int FI = MFI->CreateFixedObject(8, ArgOffset);
-	  
-	// Create the SelectionDAG nodes corresponding to a load 
+	
+	// Create the SelectionDAG nodes corresponding to a load
 	//from this parameter
 	SDOperand FIN = DAG.getFrameIndex(FI, MVT::i64);
-	argt = newroot = DAG.getLoad(getValueType(I->getType()), 
+	argt = newroot = DAG.getLoad(getValueType(I->getType()),
 	    DAG.getEntryNode(), FIN);
       }
       ++count;
       DAG.setRoot(newroot.getValue(1));
       ArgValues.push_back(argt);
-    }    
+    }
+
 
-       
   // Create a vreg to hold the output of (what will become)
   // the "alloc" instruction
   VirtGPR = MF.getSSARegMap()->createVirtualRegister(getRegClassFor(MVT::i64));
@@ -251,14 +251,14 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
   // ..hmm.
 
   unsigned tempOffset=0;
- 
+
   // if this is a varargs function, we simply lower llvm.va_start by
   // pointing to the first entry
   if(F.isVarArg()) {
     tempOffset=0;
     VarArgsFrameIndex = MFI->CreateFixedObject(8, tempOffset);
   }
- 
+
   // here we actually do the moving of args, and store them to the stack
   // too if this is a varargs function:
   for (int i = 0; i < count && i < 8; ++i) {
@@ -290,10 +290,10 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
     MF.addLiveOut(IA64::F8);
     break;
   }
-  
+
   return ArgValues;
 }
-  
+
 std::pair<SDOperand, SDOperand>
 IA64TargetLowering::LowerCallTo(SDOperand Chain,
 				 const Type *RetTy, bool isVarArg,
@@ -310,17 +310,17 @@ IA64TargetLowering::LowerCallTo(SDOperand Chain,
   } else {
     outRegsUsed = Args.size();
   }
- 
+
   // FIXME? this WILL fail if we ever try to pass around an arg that
   // consumes more than a single output slot (a 'real' double, int128
   // some sort of aggregate etc.), as we'll underestimate how many 'outX'
   // registers we use. Hopefully, the assembler will notice.
   MF.getInfo<IA64FunctionInfo>()->outRegsUsed=
     std::max(outRegsUsed, MF.getInfo<IA64FunctionInfo>()->outRegsUsed);
-  
+
   Chain = DAG.getNode(ISD::ADJCALLSTACKDOWN, MVT::Other, Chain,
                         DAG.getConstant(NumBytes, getPointerTy()));
- 
+
   std::vector<SDOperand> args_to_use;
   for (unsigned i = 0, e = Args.size(); i != e; ++i)
     {
@@ -478,10 +478,10 @@ static unsigned ponderIntegerDivisionBy(SDOperand N, bool isSigned,
 
   int64_t v = (int64_t)cast<ConstantSDNode>(N)->getSignExtended();
 
-  if ((Imm = ExactLog2(v))) { // if a division by a power of two, say so 
+  if ((Imm = ExactLog2(v))) { // if a division by a power of two, say so
     return 1;
-  } 
-  
+  }
+
   return 0; // fallthrough
 }
 
@@ -493,8 +493,8 @@ static unsigned ponderIntegerAndWith(SDOperand N, unsigned& Imm) {
 
   if ((Imm = ExactLog2sub1(v))!=666) { // if ANDing with ((2^n)-1) for some n
     return 1; // say so
-  } 
-  
+  }
+
   return 0; // fallthrough
 }
 
@@ -506,7 +506,7 @@ static unsigned ponderIntegerAdditionWith(SDOperand N, unsigned& Imm) {
   if (v <= 8191 && v >= -8192) { // if this constants fits in 14 bits, say so
     Imm = v & 0x3FFF; // 14 bits
     return 1;
-  } 
+  }
   return 0; // fallthrough
 }
 
@@ -518,7 +518,7 @@ static unsigned ponderIntegerSubtractionFrom(SDOperand N, unsigned& Imm) {
   if (v <= 127 && v >= -128) { // if this constants fits in 8 bits, say so
     Imm = v & 0xFF; // 8 bits
     return 1;
-  } 
+  }
   return 0; // fallthrough
 }
 
@@ -536,10 +536,10 @@ unsigned ISel::SelectExpr(SDOperand N) {
   if (Node->getOpcode() == ISD::CopyFromReg)
     // Just use the specified register as our input.
     return dyn_cast<RegSDNode>(Node)->getReg();
-  
+
   unsigned &Reg = ExprMap[N];
   if (Reg) return Reg;
-  
+
   if (N.getOpcode() != ISD::CALL)
     Reg = Result = (N.getValueType() != MVT::Other) ?
       MakeReg(N.getValueType()) : 1;
@@ -556,7 +556,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
       ExprMap[SDOperand(Node, Node->getNumValues()-1)] = 1;
     }
   }
-  
+
   switch (N.getOpcode()) {
   default:
     Node->dump();
@@ -614,8 +614,8 @@ unsigned ISel::SelectExpr(SDOperand N) {
                 << " the stack alignment yet!";
       abort();
     }
- 
-/*    
+
+/*
     Select(N.getOperand(0));
     if (ConstantSDNode* CN = dyn_cast<ConstantSDNode>(N.getOperand(1)))
     {
@@ -643,14 +643,14 @@ unsigned ISel::SelectExpr(SDOperand N) {
     BuildMI(BB, IA64::MOV, 1, Result).addReg(IA64::r12);
     return Result;
   }
-    
+
   case ISD::SELECT: {
       Tmp1 = SelectExpr(N.getOperand(0)); //Cond
       Tmp2 = SelectExpr(N.getOperand(1)); //Use if TRUE
       Tmp3 = SelectExpr(N.getOperand(2)); //Use if FALSE
 
       unsigned bogoResult;
-      
+
       switch (N.getOperand(1).getValueType()) {
 	default: assert(0 &&
 	"ISD::SELECT: 'select'ing something other than i64 or f64!\n");
@@ -668,7 +668,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
                        // though this will work for now (no JIT)
       return Result;
   }
-  
+
   case ISD::Constant: {
     unsigned depositPos=0;
     unsigned depositLen=0;
@@ -686,7 +686,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
 		    }
       case MVT::i64: break;
     }
-   
+
     int64_t immediate = cast<ConstantSDNode>(N)->getValue();
 
     if(immediate==0) { // if the constant is just zero,
@@ -699,14 +699,14 @@ unsigned ISel::SelectExpr(SDOperand N) {
       // turn into:   "adds rDest=imm,r0"  (and _not_ "andl"...)
       BuildMI(BB, IA64::MOVSIMM14, 1, Result).addSImm(immediate);
       return Result; // early exit
-    } 
+    }
 
     if (immediate <= 2097151 && immediate >= -2097152) {
       // if this constants fits in 22 bits, we use a mov the assembler will
       // turn into:   "addl rDest=imm,r0"
       BuildMI(BB, IA64::MOVSIMM22, 1, Result).addSImm(immediate);
       return Result; // early exit
-    } 
+    }
 
     /* otherwise, our immediate is big, so we use movl */
     uint64_t Imm = immediate;
@@ -718,7 +718,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
     BuildMI(BB, IA64::IDEF, 0, Result);
     return Result;
   }
-    
+
   case ISD::GlobalAddress: {
     GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal();
     unsigned Tmp1 = MakeReg(MVT::i64);
@@ -728,7 +728,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
 
     return Result;
   }
-  
+
   case ISD::ExternalSymbol: {
     const char *Sym = cast<ExternalSymbolSDNode>(N)->getSymbol();
 // assert(0 && "sorry, but what did you want an ExternalSymbol for again?");
@@ -744,14 +744,14 @@ unsigned ISel::SelectExpr(SDOperand N) {
 
   case ISD::ZERO_EXTEND: {
     Tmp1 = SelectExpr(N.getOperand(0)); // value
-    
+
     switch (N.getOperand(0).getValueType()) {
     default: assert(0 && "Cannot zero-extend this type!");
     case MVT::i8:  Opc = IA64::ZXT1; break;
     case MVT::i16: Opc = IA64::ZXT2; break;
     case MVT::i32: Opc = IA64::ZXT4; break;
 
-    // we handle bools differently! : 
+    // we handle bools differently! :
     case MVT::i1: { // if the predicate reg has 1, we want a '1' in our GR.
 		    unsigned dummy = MakeReg(MVT::i64);
 		    // first load zero:
@@ -772,7 +772,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
 assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
 
     Tmp1 = SelectExpr(N.getOperand(0)); // value
-    
+
     switch (N.getOperand(0).getValueType()) {
     default: assert(0 && "Cannot sign-extend this type!");
     case MVT::i1:  assert(0 && "trying to sign extend a bool? ow.\n");
@@ -928,7 +928,7 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
       BuildMI(BB, IA64::FMPY, 2, Result).addReg(Tmp1).addReg(Tmp2);
     return Result;
   }
-  
+
   case ISD::SUB: {
     if(DestType == MVT::f64 && N.getOperand(0).getOpcode() == ISD::MUL &&
        N.getOperand(0).Val->hasOneUse()) { // if we can fold this sub
@@ -962,11 +962,11 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
     BuildMI(BB, IA64::FABS, 1, Result).addReg(Tmp1);
     return Result;
   }
- 
+
   case ISD::FNEG: {
     assert(DestType == MVT::f64 && "trying to fneg something other than f64?");
 
-    if (ISD::FABS == N.getOperand(0).getOpcode()) { // && hasOneUse()? 
+    if (ISD::FABS == N.getOperand(0).getOpcode()) { // && hasOneUse()?
       Tmp1 = SelectExpr(N.getOperand(0).getOperand(0));
       BuildMI(BB, IA64::FNEGABS, 1, Result).addReg(Tmp1); // fold in abs
     } else {
@@ -976,14 +976,14 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
 
     return Result;
   }
-      	 
+      	
   case ISD::AND: {
      switch (N.getValueType()) {
     default: assert(0 && "Cannot AND this type!");
     case MVT::i1: { // if a bool, we emit a pseudocode AND
       unsigned pA = SelectExpr(N.getOperand(0));
       unsigned pB = SelectExpr(N.getOperand(1));
-       
+
 /* our pseudocode for AND is:
  *
 (pA) cmp.eq.unc pC,p0 = r0,r0   // pC = pA
@@ -995,12 +995,12 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
 
 */
       unsigned pTemp = MakeReg(MVT::i1);
-     
+
       unsigned bogusTemp1 = MakeReg(MVT::i1);
       unsigned bogusTemp2 = MakeReg(MVT::i1);
       unsigned bogusTemp3 = MakeReg(MVT::i1);
       unsigned bogusTemp4 = MakeReg(MVT::i1);
-    
+
       BuildMI(BB, IA64::PCMPEQUNC, 3, bogusTemp1)
 	.addReg(IA64::r0).addReg(IA64::r0).addReg(pA);
       BuildMI(BB, IA64::CMPEQ, 2, bogusTemp2)
@@ -1011,7 +1011,7 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
 	.addReg(bogusTemp1).addReg(IA64::r0).addReg(IA64::r0).addReg(pTemp);
       break;
     }
-    
+
     // if not a bool, we just AND away:
     case MVT::i8:
     case MVT::i16:
@@ -1043,7 +1043,7 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
     }
     return Result;
   }
- 
+
   case ISD::OR: {
   switch (N.getValueType()) {
     default: assert(0 && "Cannot OR this type!");
@@ -1052,7 +1052,7 @@ assert(0 && "hmm, ISD::SIGN_EXTEND: shouldn't ever be reached. bad luck!\n");
       unsigned pB = SelectExpr(N.getOperand(1));
 
       unsigned pTemp1 = MakeReg(MVT::i1);
-       
+
 /* our pseudocode for OR is:
  *
 
@@ -1083,7 +1083,7 @@ pC = pA OR pB
     }
     return Result;
   }
-	 
+	
   case ISD::XOR: {
      switch (N.getValueType()) {
     default: assert(0 && "Cannot XOR this type!");
@@ -1163,7 +1163,7 @@ pC = pA OR pB
     }
     return Result;
   }
-		 
+		
   case ISD::SRL: {
     Tmp1 = SelectExpr(N.getOperand(0));
     if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
@@ -1175,7 +1175,7 @@ pC = pA OR pB
     }
     return Result;
   }
-		 
+		
   case ISD::SRA: {
     Tmp1 = SelectExpr(N.getOperand(0));
     if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
@@ -1235,7 +1235,7 @@ pC = pA OR pB
       }
     }
 
-    unsigned TmpPR=MakeReg(MVT::i1);  // we need two scratch 
+    unsigned TmpPR=MakeReg(MVT::i1);  // we need two scratch
     unsigned TmpPR2=MakeReg(MVT::i1); // predicate registers,
     unsigned TmpF1=MakeReg(MVT::f64); // and one metric truckload of FP regs.
     unsigned TmpF2=MakeReg(MVT::f64); // lucky we have IA64?
@@ -1252,14 +1252,14 @@ pC = pA OR pB
     unsigned TmpF13=MakeReg(MVT::f64);
     unsigned TmpF14=MakeReg(MVT::f64);
     unsigned TmpF15=MakeReg(MVT::f64);
- 
+
     // OK, emit some code:
 
     if(!isFP) {
       // first, load the inputs into FP regs.
       BuildMI(BB, IA64::SETFSIG, 1, TmpF1).addReg(Tmp1);
       BuildMI(BB, IA64::SETFSIG, 1, TmpF2).addReg(Tmp2);
-      
+
       // next, convert the inputs to FP
       if(isSigned) {
 	BuildMI(BB, IA64::FCVTXF, 1, TmpF3).addReg(TmpF1);
@@ -1268,7 +1268,7 @@ pC = pA OR pB
 	BuildMI(BB, IA64::FCVTXUFS1, 1, TmpF3).addReg(TmpF1);
 	BuildMI(BB, IA64::FCVTXUFS1, 1, TmpF4).addReg(TmpF2);
       }
-      
+
     } else { // this is an FP divide/remainder, so we 'leak' some temp
              // regs and assign TmpF3=Tmp1, TmpF4=Tmp2
       TmpF3=Tmp1;
@@ -1340,7 +1340,7 @@ pC = pA OR pB
       // we do a 'conditional fmov' (of the correct result, depending
       // on how the frcpa predicate turned out)
       BuildMI(BB, IA64::PFMOV, 2, bogoResult)
-	.addReg(TmpF12).addReg(TmpPR2); 
+	.addReg(TmpF12).addReg(TmpPR2);
       BuildMI(BB, IA64::CFMOV, 2, Result)
 	.addReg(bogoResult).addReg(TmpF15).addReg(TmpPR);
       }
@@ -1502,7 +1502,7 @@ pC = pA OR pB
       Result = ExprMap[N.getValue(0)] = MakeReg(N.getValue(0).getValueType());
 
     bool isBool=false;
-    
+
     if(opcode == ISD::LOAD) { // this is a LOAD
       switch (Node->getValueType(0)) {
 	default: assert(0 && "Cannot load this type!");
@@ -1512,7 +1512,7 @@ pC = pA OR pB
 	case MVT::i16: Opc = IA64::LD2; break;
 	case MVT::i32: Opc = IA64::LD4; break;
 	case MVT::i64: Opc = IA64::LD8; break;
-		       
+		
 	case MVT::f32: Opc = IA64::LDF4; break;
 	case MVT::f64: Opc = IA64::LDF8; break;
       }
@@ -1527,7 +1527,7 @@ pC = pA OR pB
 	case MVT::f32: Opc = IA64::LDF4; break;
       }
     }
-    
+
     SDOperand Chain = N.getOperand(0);
     SDOperand Address = N.getOperand(1);
 
@@ -1580,7 +1580,7 @@ pC = pA OR pB
 	// we compare to 0. true? 0. false? 1.
 	BuildMI(BB, IA64::CMPNE, 2, Result).addReg(dummy3).addReg(IA64::r0);
       }
-    } else { // none of the above... 
+    } else { // none of the above...
       Select(Chain);
       Tmp2 = SelectExpr(Address);
       if(!isBool)
@@ -1597,12 +1597,12 @@ pC = pA OR pB
 
     return Result;
   }
-  
+
   case ISD::CopyFromReg: {
     if (Result == 1)
-        Result = ExprMap[N.getValue(0)] = 
+        Result = ExprMap[N.getValue(0)] =
 	  MakeReg(N.getValue(0).getValueType());
-                                                                                
+
       SDOperand Chain   = N.getOperand(0);
 
       Select(Chain);
@@ -1622,24 +1622,24 @@ pC = pA OR pB
 
       // The chain for this call is now lowered.
       ExprMap.insert(std::make_pair(N.getValue(Node->getNumValues()-1), 1));
-      
+
       //grab the arguments
       std::vector<unsigned> argvregs;
 
       for(int i = 2, e = Node->getNumOperands(); i < e; ++i)
 	argvregs.push_back(SelectExpr(N.getOperand(i)));
-      
-      // see section 8.5.8 of "Itanium Software Conventions and 
+
+      // see section 8.5.8 of "Itanium Software Conventions and
       // Runtime Architecture Guide to see some examples of what's going
       // on here. (in short: int args get mapped 1:1 'slot-wise' to out0->out7,
       // while FP args get mapped to F8->F15 as needed)
 
       unsigned used_FPArgs=0; // how many FP Args have been used so far?
-      
+
       // in reg args
       for(int i = 0, e = std::min(8, (int)argvregs.size()); i < e; ++i)
       {
-	unsigned intArgs[] = {IA64::out0, IA64::out1, IA64::out2, IA64::out3, 
+	unsigned intArgs[] = {IA64::out0, IA64::out1, IA64::out2, IA64::out3,
 			      IA64::out4, IA64::out5, IA64::out6, IA64::out7 };
 	unsigned FPArgs[] = {IA64::F8, IA64::F9, IA64::F10, IA64::F11,
 	                     IA64::F12, IA64::F13, IA64::F14, IA64::F15 };
@@ -1649,7 +1649,7 @@ pC = pA OR pB
 	  default:  // XXX do we need to support MVT::i1 here?
 	    Node->dump();
 	    N.getOperand(i).Val->dump();
-	    std::cerr << "Type for " << i << " is: " << 
+	    std::cerr << "Type for " << i << " is: " <<
 	      N.getOperand(i+2).getValueType() << std::endl;
 	    assert(0 && "Unknown value type for call");
 	  case MVT::i64:
@@ -1670,10 +1670,10 @@ pC = pA OR pB
 	unsigned tempAddr = MakeReg(MVT::i64);
 	
         switch(N.getOperand(i+2).getValueType()) {
-        default: 
-          Node->dump(); 
+        default:
+          Node->dump();
           N.getOperand(i).Val->dump();
-          std::cerr << "Type for " << i << " is: " << 
+          std::cerr << "Type for " << i << " is: " <<
             N.getOperand(i+2).getValueType() << "\n";
           assert(0 && "Unknown value type for call");
         case MVT::i1: // FIXME?
@@ -1695,17 +1695,17 @@ pC = pA OR pB
       }
 
       /*  XXX we want to re-enable direct branches! crippling them now
-       *  to stress-test indirect branches.: 
+       *  to stress-test indirect branches.:
     //build the right kind of call
     if (GlobalAddressSDNode *GASD =
-               dyn_cast<GlobalAddressSDNode>(N.getOperand(1))) 
+               dyn_cast<GlobalAddressSDNode>(N.getOperand(1)))
       {
 	BuildMI(BB, IA64::BRCALL, 1).addGlobalAddress(GASD->getGlobal(),true);
 	IA64Lowering.restoreGP_SP_RP(BB);
       }
-             ^^^^^^^^^^^^^ we want this code one day XXX */ 
+             ^^^^^^^^^^^^^ we want this code one day XXX */
     if (ExternalSymbolSDNode *ESSDN =
-	     dyn_cast<ExternalSymbolSDNode>(N.getOperand(1))) 
+	     dyn_cast<ExternalSymbolSDNode>(N.getOperand(1)))
       { // FIXME : currently need this case for correctness, to avoid
 	// "non-pic code with imm relocation against dynamic symbol" errors
 	BuildMI(BB, IA64::BRCALL, 1)
@@ -1718,7 +1718,7 @@ pC = pA OR pB
       unsigned targetEntryPoint=MakeReg(MVT::i64);
       unsigned targetGPAddr=MakeReg(MVT::i64);
       unsigned currentGP=MakeReg(MVT::i64);
-      
+
       // b6 is a scratch branch register, we load the target entry point
       // from the base of the function descriptor
       BuildMI(BB, IA64::LD8, 1, targetEntryPoint).addReg(Tmp1);
@@ -1726,7 +1726,7 @@ pC = pA OR pB
 
       // save the current GP:
       BuildMI(BB, IA64::MOV, 1, currentGP).addReg(IA64::r1);
-     
+
       /* TODO: we need to make sure doing this never, ever loads a
        * bogus value into r1 (GP). */
       // load the target GP (which is at mem[functiondescriptor+8])
@@ -1761,7 +1761,7 @@ pC = pA OR pB
     return Result+N.ResNo;
   }
 
-  } // <- uhhh XXX 
+  } // <- uhhh XXX
   return 0;
 }
 
@@ -1780,7 +1780,7 @@ void ISel::Select(SDOperand N) {
     assert(0 && "Node not handled yet!");
 
   case ISD::EntryToken: return;  // Noop
-  
+
   case ISD::TokenFactor: {
     for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
       Select(Node->getOperand(i));
@@ -1789,9 +1789,9 @@ void ISel::Select(SDOperand N) {
 
   case ISD::CopyToReg: {
     Select(N.getOperand(0));
-    Tmp1 = SelectExpr(N.getOperand(1));   
+    Tmp1 = SelectExpr(N.getOperand(1));
     Tmp2 = cast<RegSDNode>(N)->getReg();
-    
+
     if (Tmp1 != Tmp2) {
       if(N.getValueType() == MVT::i1) // if a bool, we use pseudocode
 	BuildMI(BB, IA64::PCMPEQUNC, 3, Tmp2)
@@ -1803,7 +1803,7 @@ void ISel::Select(SDOperand N) {
     }
     return;
   }
-  
+
   case ISD::RET: {
 
   /* what the heck is going on here:
@@ -1824,7 +1824,7 @@ void ISel::Select(SDOperand N) {
 <_sabre_> these operand often define chains, they are the last operand
 <_sabre_> they are printed as 'ch' if you do DAG.dump()
   */
-  
+
     switch (N.getNumOperands()) {
     default:
       assert(0 && "Unknown return instruction!");
@@ -1839,7 +1839,7 @@ void ISel::Select(SDOperand N) {
 	       // FIXME: need to round floats - 80 bits is bad, the tester
 	       // told me so
       case MVT::i64:
-	// we mark r8 as live on exit up above in LowerArguments() 
+	// we mark r8 as live on exit up above in LowerArguments()
 	BuildMI(BB, IA64::MOV, 1, IA64::r8).addReg(Tmp1);
 	break;
       case MVT::f64:
@@ -1856,7 +1856,7 @@ void ISel::Select(SDOperand N) {
     BuildMI(BB, IA64::RET, 0); // and then just emit a 'ret' instruction
     return;
   }
-  
+
   case ISD::BR: {
     Select(N.getOperand(0));
     MachineBasicBlock *Dest =
@@ -1882,7 +1882,7 @@ void ISel::Select(SDOperand N) {
     // XXX HACK! we do _not_ need long branches all the time
     return;
   }
-  
+
   case ISD::EXTLOAD:
   case ISD::ZEXTLOAD:
   case ISD::SEXTLOAD:
@@ -1899,7 +1899,7 @@ void ISel::Select(SDOperand N) {
       Tmp1 = SelectExpr(N.getOperand(1)); // value
 
       bool isBool=false;
-     
+
       if(opcode == ISD::STORE) {
 	switch (N.getOperand(1).getValueType()) {
 	  default: assert(0 && "Cannot store this type!");
@@ -1909,7 +1909,7 @@ void ISel::Select(SDOperand N) {
 	  case MVT::i16: Opc = IA64::ST2; break;
 	  case MVT::i32: Opc = IA64::ST4; break;
 	  case MVT::i64: Opc = IA64::ST8; break;
-			 
+			
 	  case MVT::f32: Opc = IA64::STF4; break;
 	  case MVT::f64: Opc = IA64::STF8; break;
 	}
@@ -1921,7 +1921,7 @@ void ISel::Select(SDOperand N) {
 	  case MVT::i8: Opc = IA64::ST1; break;
 	  case MVT::i16: Opc = IA64::ST2; break;
 	  case MVT::i32: Opc = IA64::ST4; break;
-	  case MVT::f32: Opc = IA64::STF4; break; 
+	  case MVT::f32: Opc = IA64::STF4; break;
 	}
       }
 
@@ -1932,7 +1932,7 @@ void ISel::Select(SDOperand N) {
 	  .addGlobalAddress(cast<GlobalAddressSDNode>
 	      (N.getOperand(2))->getGlobal()).addReg(IA64::r1);
 	BuildMI(BB, IA64::LD8, 1, dummy2).addReg(dummy);
-      
+
 	if(!isBool)
 	  BuildMI(BB, Opc, 2).addReg(dummy2).addReg(Tmp1);
 	else { // we are storing a bool, so emit a little pseudocode
@@ -1955,7 +1955,7 @@ void ISel::Select(SDOperand N) {
 	BuildMI(BB, Opc, 2).addReg(dummy).addReg(Tmp1);
       } else { // otherwise
 	Tmp2 = SelectExpr(N.getOperand(2)); //address
-	if(!isBool) 
+	if(!isBool)
 	  BuildMI(BB, Opc, 2).addReg(Tmp2).addReg(Tmp1);
 	else { // we are storing a bool, so emit a little pseudocode
 	       // to store a predicate register as one byte
@@ -1970,12 +1970,12 @@ void ISel::Select(SDOperand N) {
       }
     return;
   }
-  
+
   case ISD::ADJCALLSTACKDOWN:
   case ISD::ADJCALLSTACKUP: {
     Select(N.getOperand(0));
     Tmp1 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
-   
+
     Opc = N.getOpcode() == ISD::ADJCALLSTACKDOWN ? IA64::ADJUSTCALLSTACKDOWN :
                                                    IA64::ADJUSTCALLSTACKUP;
     BuildMI(BB, Opc, 1).addImm(Tmp1);
@@ -1993,7 +1993,7 @@ void ISel::Select(SDOperand N) {
 /// description file.
 ///
 FunctionPass *llvm::createIA64PatternInstructionSelector(TargetMachine &TM) {
-  return new ISel(TM);  
+  return new ISel(TM);
 }
 
 
diff --git a/lib/Target/IA64/IA64InstrBuilder.h b/lib/Target/IA64/IA64InstrBuilder.h
index f61d42e709..832fbb928c 100644
--- a/lib/Target/IA64/IA64InstrBuilder.h
+++ b/lib/Target/IA64/IA64InstrBuilder.h
@@ -1,10 +1,10 @@
 //===-- IA64PCInstrBuilder.h - Aids for building IA64 insts -----*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file exposes functions that may be used with BuildMI from the
@@ -26,7 +26,7 @@ namespace llvm {
 /// This allows a constant offset to be specified as well...
 ///
 inline const MachineInstrBuilder&
-addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0, 
+addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0,
                   bool mem = true) {
   if (mem)
     return MIB.addSImm(Offset).addFrameIndex(FI);
diff --git a/lib/Target/IA64/IA64InstrInfo.cpp b/lib/Target/IA64/IA64InstrInfo.cpp
index 04662baf2c..6994cd7833 100644
--- a/lib/Target/IA64/IA64InstrInfo.cpp
+++ b/lib/Target/IA64/IA64InstrInfo.cpp
@@ -1,10 +1,10 @@
 //===- IA64InstrInfo.cpp - IA64 Instruction Information -----------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the IA64 implementation of the TargetInstrInfo class.
diff --git a/lib/Target/IA64/IA64InstrInfo.h b/lib/Target/IA64/IA64InstrInfo.h
index 5a96356873..2e52a9683f 100644
--- a/lib/Target/IA64/IA64InstrInfo.h
+++ b/lib/Target/IA64/IA64InstrInfo.h
@@ -1,10 +1,10 @@
 //===- IA64InstrInfo.h - IA64 Instruction Information ----------*- C++ -*- ===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the IA64 implementation of the TargetInstrInfo class.
diff --git a/lib/Target/IA64/IA64MachineFunctionInfo.h b/lib/Target/IA64/IA64MachineFunctionInfo.h
index 40b0f0da18..fb930564a9 100644
--- a/lib/Target/IA64/IA64MachineFunctionInfo.h
+++ b/lib/Target/IA64/IA64MachineFunctionInfo.h
@@ -1,10 +1,10 @@
 //===-- IA64MachineFunctionInfo.h - IA64-specific information ---*- C++ -*-===//
 //===--                   for MachineFunction                 ---*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
-// 
+//
 //===----------------------------------------------------------------------===//
-// 
+//
 // This file declares IA64-specific per-machine-function information.
 //
 //===----------------------------------------------------------------------===//
@@ -18,7 +18,7 @@
 namespace llvm {
 
 class IA64FunctionInfo : public MachineFunctionInfo {
-  
+
 public:
   unsigned outRegsUsed; // how many 'out' registers are used
   // by this machinefunction? (used to compute the appropriate
diff --git a/lib/Target/IA64/IA64RegisterInfo.cpp b/lib/Target/IA64/IA64RegisterInfo.cpp
index a5b0572dbd..5ff0d059fb 100644
--- a/lib/Target/IA64/IA64RegisterInfo.cpp
+++ b/lib/Target/IA64/IA64RegisterInfo.cpp
@@ -42,7 +42,7 @@ static const TargetRegisterClass *getClass(unsigned SrcReg) {
     return IA64::FPRegisterClass;
   if (IA64::PRRegisterClass->contains(SrcReg))
     return IA64::PRRegisterClass;
-  
+
   assert(IA64::GRRegisterClass->contains(SrcReg) &&
          "PROBLEM: Reg is not FP, predicate or GR!");
   return IA64::GRRegisterClass;
@@ -130,7 +130,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
       // alignment boundary.
       unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
       Amount = (Amount+Align-1)/Align*Align;
-      
+
       MachineInstr *New;
       if (Old->getOpcode() == IA64::ADJUSTCALLSTACKDOWN) {
 	New=BuildMI(IA64::ADDIMM22, 2, IA64::r12).addReg(IA64::r12)
@@ -156,7 +156,7 @@ void IA64RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const
   MachineFunction &MF = *MBB.getParent();
 
   bool FP = hasFP(MF);
-  
+
   while (!MI.getOperand(i).isFrameIndex()) {
     ++i;
     assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
@@ -204,26 +204,26 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MachineInstr *MI;
   bool FP = hasFP(MF);
- 
+
   // first, we handle the 'alloc' instruction, that should be right up the
   // top of any function
   static const unsigned RegsInOrder[96] = { // there are 96 GPRs the
                                             // RSE worries about
-        IA64::r32, IA64::r33, IA64::r34, IA64::r35, 
-        IA64::r36, IA64::r37, IA64::r38, IA64::r39, IA64::r40, IA64::r41, 
-        IA64::r42, IA64::r43, IA64::r44, IA64::r45, IA64::r46, IA64::r47, 
-        IA64::r48, IA64::r49, IA64::r50, IA64::r51, IA64::r52, IA64::r53, 
-        IA64::r54, IA64::r55, IA64::r56, IA64::r57, IA64::r58, IA64::r59, 
-        IA64::r60, IA64::r61, IA64::r62, IA64::r63, IA64::r64, IA64::r65, 
-        IA64::r66, IA64::r67, IA64::r68, IA64::r69, IA64::r70, IA64::r71, 
-        IA64::r72, IA64::r73, IA64::r74, IA64::r75, IA64::r76, IA64::r77, 
-        IA64::r78, IA64::r79, IA64::r80, IA64::r81, IA64::r82, IA64::r83, 
-        IA64::r84, IA64::r85, IA64::r86, IA64::r87, IA64::r88, IA64::r89, 
-        IA64::r90, IA64::r91, IA64::r92, IA64::r93, IA64::r94, IA64::r95, 
-        IA64::r96, IA64::r97, IA64::r98, IA64::r99, IA64::r100, IA64::r101, 
-        IA64::r102, IA64::r103, IA64::r104, IA64::r105, IA64::r106, IA64::r107, 
-        IA64::r108, IA64::r109, IA64::r110, IA64::r111, IA64::r112, IA64::r113, 
-        IA64::r114, IA64::r115, IA64::r116, IA64::r117, IA64::r118, IA64::r119, 
+        IA64::r32, IA64::r33, IA64::r34, IA64::r35,
+        IA64::r36, IA64::r37, IA64::r38, IA64::r39, IA64::r40, IA64::r41,
+        IA64::r42, IA64::r43, IA64::r44, IA64::r45, IA64::r46, IA64::r47,
+        IA64::r48, IA64::r49, IA64::r50, IA64::r51, IA64::r52, IA64::r53,
+        IA64::r54, IA64::r55, IA64::r56, IA64::r57, IA64::r58, IA64::r59,
+        IA64::r60, IA64::r61, IA64::r62, IA64::r63, IA64::r64, IA64::r65,
+        IA64::r66, IA64::r67, IA64::r68, IA64::r69, IA64::r70, IA64::r71,
+        IA64::r72, IA64::r73, IA64::r74, IA64::r75, IA64::r76, IA64::r77,
+        IA64::r78, IA64::r79, IA64::r80, IA64::r81, IA64::r82, IA64::r83,
+        IA64::r84, IA64::r85, IA64::r86, IA64::r87, IA64::r88, IA64::r89,
+        IA64::r90, IA64::r91, IA64::r92, IA64::r93, IA64::r94, IA64::r95,
+        IA64::r96, IA64::r97, IA64::r98, IA64::r99, IA64::r100, IA64::r101,
+        IA64::r102, IA64::r103, IA64::r104, IA64::r105, IA64::r106, IA64::r107,
+        IA64::r108, IA64::r109, IA64::r110, IA64::r111, IA64::r112, IA64::r113,
+        IA64::r114, IA64::r115, IA64::r116, IA64::r117, IA64::r118, IA64::r119,
         IA64::r120, IA64::r121, IA64::r122, IA64::r123, IA64::r124, IA64::r125,
 	IA64::r126, IA64::r127 };
 
@@ -244,17 +244,17 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
       break;
     }
   }
- 
+
   MI=BuildMI(IA64::ALLOC,5).addReg(dstRegOfPseudoAlloc).addImm(0).\
      addImm(numStackedGPRsUsed).addImm(numOutRegsUsed).addImm(0);
   MBB.insert(MBBI, MI);
- 
+
   // Get the number of bytes to allocate from the FrameInfo
   unsigned NumBytes = MFI->getStackSize();
 
   if (MFI->hasCalls() && !FP) {
-    // We reserve argument space for call sites in the function immediately on 
-    // entry to the current function.  This eliminates the need for add/sub 
+    // We reserve argument space for call sites in the function immediately on
+    // entry to the current function.  This eliminates the need for add/sub
     // brackets around call sites.
     NumBytes += MFI->getMaxCallFrameSize();
   }
@@ -286,7 +286,7 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
     MI=BuildMI(IA64::ADD, 2, IA64::r12).addReg(IA64::r12).addReg(IA64::r22);
     MBB.insert(MBBI, MI);  // then add (subtract) it to r12 (stack ptr)
   }
-  
+
   // now if we need to, save the old FP and set the new
   if (FP) {
     MI = BuildMI(IA64::ST8, 2).addReg(IA64::r12).addReg(IA64::r15);
@@ -294,7 +294,7 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
     // this must be the last instr in the prolog ?  (XXX: why??)
     MI = BuildMI(IA64::MOV, 1, IA64::r15).addReg(IA64::r12);
     MBB.insert(MBBI, MI);
-  } 
+  }
 
 }
 
@@ -322,7 +322,7 @@ void IA64RegisterInfo::emitEpilogue(MachineFunction &MF,
     MBB.insert(MBBI, MI);
   }
 
-  if (NumBytes != 0) 
+  if (NumBytes != 0)
   {
     if (NumBytes <= 8191) {
       MI=BuildMI(IA64::ADDIMM22, 2, IA64::r12).addReg(IA64::r12).addImm(NumBytes);
diff --git a/lib/Target/IA64/IA64RegisterInfo.h b/lib/Target/IA64/IA64RegisterInfo.h
index 502f3236ac..ddc0988df1 100644
--- a/lib/Target/IA64/IA64RegisterInfo.h
+++ b/lib/Target/IA64/IA64RegisterInfo.h
@@ -1,10 +1,10 @@
 //===- IA64RegisterInfo.h - IA64 Register Information Impl ------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file contains the IA64 implementation of the MRegisterInfo class.
@@ -33,7 +33,7 @@ struct IA64RegisterInfo : public IA64GenRegisterInfo {
   void loadRegFromStackSlot(MachineBasicBlock &MBB,
                             MachineBasicBlock::iterator MI,
                             unsigned DestReg, int FrameIndex) const;
-  
+
   void copyRegToReg(MachineBasicBlock &MBB,
                     MachineBasicBlock::iterator MI,
                     unsigned DestReg, unsigned SrcReg,
diff --git a/lib/Target/IA64/IA64TargetMachine.cpp b/lib/Target/IA64/IA64TargetMachine.cpp
index 0008f1fa5a..f6e0ed1d3a 100644
--- a/lib/Target/IA64/IA64TargetMachine.cpp
+++ b/lib/Target/IA64/IA64TargetMachine.cpp
@@ -1,12 +1,12 @@
 //===-- IA64TargetMachine.cpp - Define TargetMachine for IA64 -------------===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
-// 
+//
 // This file defines the IA64 specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/IA64/IA64TargetMachine.h b/lib/Target/IA64/IA64TargetMachine.h
index 639df92465..3f1968de94 100644
--- a/lib/Target/IA64/IA64TargetMachine.h
+++ b/lib/Target/IA64/IA64TargetMachine.h
@@ -1,12 +1,12 @@
 //===-- IA64TargetMachine.h - Define TargetMachine for IA64 ---*- C++ -*---===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Duraid Madina and is distributed under the
 // University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
-// 
+//
 // This file declares the IA64 specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//