Rename Writer.cpp as CBackend.cpp so it doesn't conflict with Writer.cpp

in the bytecode writer library. This helps with debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33050 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 2791 deletions

diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
deleted file mode 100644
index e738c99..0000000
--- a/lib/Target/CBackend/Writer.cpp
+++ /dev/null
@@ -1,2791 +0,0 @@
-//===-- Writer.cpp - Library for converting LLVM code to 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 library converts LLVM code to C code, compilable by GCC and other C
-// compilers.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CTargetMachine.h"
-#include "llvm/CallingConv.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Instructions.h"
-#include "llvm/Pass.h"
-#include "llvm/PassManager.h"
-#include "llvm/SymbolTable.h"
-#include "llvm/TypeSymbolTable.h"
-#include "llvm/Intrinsics.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/InlineAsm.h"
-#include "llvm/Analysis/ConstantsScanner.h"
-#include "llvm/Analysis/FindUsedTypes.h"
-#include "llvm/Analysis/LoopInfo.h"
-#include "llvm/CodeGen/IntrinsicLowering.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Target/TargetMachineRegistry.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Support/CallSite.h"
-#include "llvm/Support/CFG.h"
-#include "llvm/Support/GetElementPtrTypeIterator.h"
-#include "llvm/Support/InstVisitor.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Config/config.h"
-#include <algorithm>
-#include <sstream>
-using namespace llvm;
-
-namespace {
-  // Register the target.
-  RegisterTarget<CTargetMachine> X("c", "  C backend");
-
-  /// CBackendNameAllUsedStructsAndMergeFunctions - This pass inserts names for
-  /// any unnamed structure types that are used by the program, and merges
-  /// external functions with the same name.
-  ///
-  class CBackendNameAllUsedStructsAndMergeFunctions : public ModulePass {
-    void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<FindUsedTypes>();
-    }
-
-    virtual const char *getPassName() const {
-      return "C backend type canonicalizer";
-    }
-
-    virtual bool runOnModule(Module &M);
-  };
-
-  /// CWriter - This class is the main chunk of code that converts an LLVM
-  /// module to a C translation unit.
-  class CWriter : public FunctionPass, public InstVisitor<CWriter> {
-    std::ostream &Out;
-    IntrinsicLowering IL;
-    Mangler *Mang;
-    LoopInfo *LI;
-    const Module *TheModule;
-    const TargetAsmInfo* TAsm;
-    std::map<const Type *, std::string> TypeNames;
-
-    std::map<const ConstantFP *, unsigned> FPConstantMap;
-  public:
-    CWriter(std::ostream &o) : Out(o), TAsm(0) {}
-
-    virtual const char *getPassName() const { return "C backend"; }
-
-    void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<LoopInfo>();
-      AU.setPreservesAll();
-    }
-
-    virtual bool doInitialization(Module &M);
-
-    bool runOnFunction(Function &F) {
-      LI = &getAnalysis<LoopInfo>();
-
-      // Get rid of intrinsics we can't handle.
-      lowerIntrinsics(F);
-
-      // Output all floating point constants that cannot be printed accurately.
-      printFloatingPointConstants(F);
-
-      // Ensure that no local symbols conflict with global symbols.
-      F.renameLocalSymbols();
-
-      printFunction(F);
-      FPConstantMap.clear();
-      return false;
-    }
-
-    virtual bool doFinalization(Module &M) {
-      // Free memory...
-      delete Mang;
-      TypeNames.clear();
-      return false;
-    }
-
-    std::ostream &printType(std::ostream &Out, const Type *Ty, 
-                            bool isSigned = false,
-                            const std::string &VariableName = "",
-                            bool IgnoreName = false);
-    std::ostream &printPrimitiveType(std::ostream &Out, const Type *Ty, 
-                                     bool isSigned, 
-                                     const std::string &NameSoFar = "");
-
-    void printStructReturnPointerFunctionType(std::ostream &Out,
-                                              const PointerType *Ty);
-    
-    void writeOperand(Value *Operand);
-    void writeOperandRaw(Value *Operand);
-    void writeOperandInternal(Value *Operand);
-    void writeOperandWithCast(Value* Operand, unsigned Opcode);
-    void writeOperandWithCast(Value* Operand, ICmpInst::Predicate predicate);
-    bool writeInstructionCast(const Instruction &I);
-
-  private :
-    std::string InterpretASMConstraint(InlineAsm::ConstraintInfo& c);
-
-    void lowerIntrinsics(Function &F);
-
-    void printModule(Module *M);
-    void printModuleTypes(const TypeSymbolTable &ST);
-    void printContainedStructs(const Type *Ty, std::set<const StructType *> &);
-    void printFloatingPointConstants(Function &F);
-    void printFunctionSignature(const Function *F, bool Prototype);
-
-    void printFunction(Function &);
-    void printBasicBlock(BasicBlock *BB);
-    void printLoop(Loop *L);
-
-    void printCast(unsigned opcode, const Type *SrcTy, const Type *DstTy);
-    void printConstant(Constant *CPV);
-    void printConstantWithCast(Constant *CPV, unsigned Opcode);
-    bool printConstExprCast(const ConstantExpr *CE);
-    void printConstantArray(ConstantArray *CPA);
-    void printConstantPacked(ConstantPacked *CP);
-
-    // isInlinableInst - Attempt to inline instructions into their uses to build
-    // trees as much as possible.  To do this, we have to consistently decide
-    // what is acceptable to inline, so that variable declarations don't get
-    // printed and an extra copy of the expr is not emitted.
-    //
-    static bool isInlinableInst(const Instruction &I) {
-      // Always inline cmp instructions, even if they are shared by multiple
-      // expressions.  GCC generates horrible code if we don't.
-      if (isa<CmpInst>(I)) 
-        return true;
-
-      // Must be an expression, must be used exactly once.  If it is dead, we
-      // emit it inline where it would go.
-      if (I.getType() == Type::VoidTy || !I.hasOneUse() ||
-          isa<TerminatorInst>(I) || isa<CallInst>(I) || isa<PHINode>(I) ||
-          isa<LoadInst>(I) || isa<VAArgInst>(I))
-        // Don't inline a load across a store or other bad things!
-        return false;
-
-      // Must not be used in inline asm
-      if (I.hasOneUse() && isInlineAsm(*I.use_back())) return false;
-
-      // Only inline instruction it if it's use is in the same BB as the inst.
-      return I.getParent() == cast<Instruction>(I.use_back())->getParent();
-    }
-
-    // isDirectAlloca - Define fixed sized allocas in the entry block as direct
-    // variables which are accessed with the & operator.  This causes GCC to
-    // generate significantly better code than to emit alloca calls directly.
-    //
-    static const AllocaInst *isDirectAlloca(const Value *V) {
-      const AllocaInst *AI = dyn_cast<AllocaInst>(V);
-      if (!AI) return false;
-      if (AI->isArrayAllocation())
-        return 0;   // FIXME: we can also inline fixed size array allocas!
-      if (AI->getParent() != &AI->getParent()->getParent()->getEntryBlock())
-        return 0;
-      return AI;
-    }
-    
-    // isInlineAsm - Check if the instruction is a call to an inline asm chunk
-    static bool isInlineAsm(const Instruction& I) {
-      if (isa<CallInst>(&I) && isa<InlineAsm>(I.getOperand(0)))
-        return true;
-      return false;
-    }
-    
-    // Instruction visitation functions
-    friend class InstVisitor<CWriter>;
-
-    void visitReturnInst(ReturnInst &I);
-    void visitBranchInst(BranchInst &I);
-    void visitSwitchInst(SwitchInst &I);
-    void visitInvokeInst(InvokeInst &I) {
-      assert(0 && "Lowerinvoke pass didn't work!");
-    }
-
-    void visitUnwindInst(UnwindInst &I) {
-      assert(0 && "Lowerinvoke pass didn't work!");
-    }
-    void visitUnreachableInst(UnreachableInst &I);
-
-    void visitPHINode(PHINode &I);
-    void visitBinaryOperator(Instruction &I);
-    void visitICmpInst(ICmpInst &I);
-    void visitFCmpInst(FCmpInst &I);
-
-    void visitCastInst (CastInst &I);
-    void visitSelectInst(SelectInst &I);
-    void visitCallInst (CallInst &I);
-    void visitInlineAsm(CallInst &I);
-    void visitShiftInst(ShiftInst &I) { visitBinaryOperator(I); }
-
-    void visitMallocInst(MallocInst &I);
-    void visitAllocaInst(AllocaInst &I);
-    void visitFreeInst  (FreeInst   &I);
-    void visitLoadInst  (LoadInst   &I);
-    void visitStoreInst (StoreInst  &I);
-    void visitGetElementPtrInst(GetElementPtrInst &I);
-    void visitVAArgInst (VAArgInst &I);
-
-    void visitInstruction(Instruction &I) {
-      cerr << "C Writer does not know about " << I;
-      abort();
-    }
-
-    void outputLValue(Instruction *I) {
-      Out << "  " << Mang->getValueName(I) << " = ";
-    }
-
-    bool isGotoCodeNecessary(BasicBlock *From, BasicBlock *To);
-    void printPHICopiesForSuccessor(BasicBlock *CurBlock,
-                                    BasicBlock *Successor, unsigned Indent);
-    void printBranchToBlock(BasicBlock *CurBlock, BasicBlock *SuccBlock,
-                            unsigned Indent);
-    void printIndexingExpression(Value *Ptr, gep_type_iterator I,
-                                 gep_type_iterator E);
-  };
-}
-
-/// This method inserts names for any unnamed structure types that are used by
-/// the program, and removes names from structure types that are not used by the
-/// program.
-///
-bool CBackendNameAllUsedStructsAndMergeFunctions::runOnModule(Module &M) {
-  // Get a set of types that are used by the program...
-  std::set<const Type *> UT = getAnalysis<FindUsedTypes>().getTypes();
-
-  // Loop over the module symbol table, removing types from UT that are
-  // already named, and removing names for types that are not used.
-  //
-  TypeSymbolTable &TST = M.getTypeSymbolTable();
-  for (TypeSymbolTable::iterator TI = TST.begin(), TE = TST.end();
-       TI != TE; ) {
-    TypeSymbolTable::iterator I = TI++;
-
-    // If this is not used, remove it from the symbol table.
-    std::set<const Type *>::iterator UTI = UT.find(I->second);
-    if (UTI == UT.end())
-      TST.remove(I);
-    else
-      UT.erase(UTI);    // Only keep one name for this type.
-  }
-
-  // UT now contains types that are not named.  Loop over it, naming
-  // structure types.
-  //
-  bool Changed = false;
-  unsigned RenameCounter = 0;
-  for (std::set<const Type *>::const_iterator I = UT.begin(), E = UT.end();
-       I != E; ++I)
-    if (const StructType *ST = dyn_cast<StructType>(*I)) {
-      while (M.addTypeName("unnamed"+utostr(RenameCounter), ST))
-        ++RenameCounter;
-      Changed = true;
-    }
-      
-      
-  // Loop over all external functions and globals.  If we have two with
-  // identical names, merge them.
-  // FIXME: This code should disappear when we don't allow values with the same
-  // names when they have different types!
-  std::map<std::string, GlobalValue*> ExtSymbols;
-  for (Module::iterator I = M.begin(), E = M.end(); I != E;) {
-    Function *GV = I++;
-    if (GV->isExternal() && GV->hasName()) {
-      std::pair<std::map<std::string, GlobalValue*>::iterator, bool> X
-        = ExtSymbols.insert(std::make_pair(GV->getName(), GV));
-      if (!X.second) {
-        // Found a conflict, replace this global with the previous one.
-        GlobalValue *OldGV = X.first->second;
-        GV->replaceAllUsesWith(ConstantExpr::getBitCast(OldGV, GV->getType()));
-        GV->eraseFromParent();
-        Changed = true;
-      }
-    }
-  }
-  // Do the same for globals.
-  for (Module::global_iterator I = M.global_begin(), E = M.global_end();
-       I != E;) {
-    GlobalVariable *GV = I++;
-    if (GV->isExternal() && GV->hasName()) {
-      std::pair<std::map<std::string, GlobalValue*>::iterator, bool> X
-        = ExtSymbols.insert(std::make_pair(GV->getName(), GV));
-      if (!X.second) {
-        // Found a conflict, replace this global with the previous one.
-        GlobalValue *OldGV = X.first->second;
-        GV->replaceAllUsesWith(ConstantExpr::getBitCast(OldGV, GV->getType()));
-        GV->eraseFromParent();
-        Changed = true;
-      }
-    }
-  }
-  
-  return Changed;
-}
-
-/// printStructReturnPointerFunctionType - This is like printType for a struct
-/// return type, except, instead of printing the type as void (*)(Struct*, ...)
-/// print it as "Struct (*)(...)", for struct return functions.
-void CWriter::printStructReturnPointerFunctionType(std::ostream &Out,
-                                                   const PointerType *TheTy) {
-  const FunctionType *FTy = cast<FunctionType>(TheTy->getElementType());
-  std::stringstream FunctionInnards;
-  FunctionInnards << " (*) (";
-  bool PrintedType = false;
-
-  FunctionType::param_iterator I = FTy->param_begin(), E = FTy->param_end();
-  const Type *RetTy = cast<PointerType>(I->get())->getElementType();
-  unsigned Idx = 1;
-  for (++I; I != E; ++I) {
-    if (PrintedType)
-      FunctionInnards << ", ";
-    printType(FunctionInnards, *I, 
-        /*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute), "");
-    PrintedType = true;
-  }
-  if (FTy->isVarArg()) {
-    if (PrintedType)
-      FunctionInnards << ", ...";
-  } else if (!PrintedType) {
-    FunctionInnards << "void";
-  }
-  FunctionInnards << ')';
-  std::string tstr = FunctionInnards.str();
-  printType(Out, RetTy, 
-      /*isSigned=*/FTy->paramHasAttr(0, FunctionType::SExtAttribute), tstr);
-}
-
-std::ostream &
-CWriter::printPrimitiveType(std::ostream &Out, const Type *Ty, bool isSigned,
-                            const std::string &NameSoFar) {
-  assert(Ty->isPrimitiveType() && "Invalid type for printPrimitiveType");
-  switch (Ty->getTypeID()) {
-  case Type::VoidTyID:   return Out << "void "               << NameSoFar;
-  case Type::BoolTyID:   return Out << "bool "               << NameSoFar;
-  case Type::Int8TyID:
-    return Out << (isSigned?"signed":"unsigned") << " char " << NameSoFar;
-  case Type::Int16TyID:  
-    return Out << (isSigned?"signed":"unsigned") << " short " << NameSoFar;
-  case Type::Int32TyID:    
-    return Out << (isSigned?"signed":"unsigned") << " int " << NameSoFar;
-  case Type::Int64TyID:   
-    return Out << (isSigned?"signed":"unsigned") << " long long " << NameSoFar;
-  case Type::FloatTyID:  return Out << "float "              << NameSoFar;
-  case Type::DoubleTyID: return Out << "double "             << NameSoFar;
-  default :
-    cerr << "Unknown primitive type: " << *Ty << "\n";
-    abort();
-  }
-}
-
-// Pass the Type* and the variable name and this prints out the variable
-// declaration.
-//
-std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
-                                 bool isSigned, const std::string &NameSoFar,
-                                 bool IgnoreName) {
-  if (Ty->isPrimitiveType()) {
-    // FIXME:Signedness. When integer types are signless, this should just
-    // always pass "false" for the sign of the primitive type. The instructions
-    // will figure out how the value is to be interpreted.
-    printPrimitiveType(Out, Ty, isSigned, NameSoFar);
-    return Out;
-  }
-
-  // Check to see if the type is named.
-  if (!IgnoreName || isa<OpaqueType>(Ty)) {
-    std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
-    if (I != TypeNames.end()) return Out << I->second << ' ' << NameSoFar;
-  }
-
-  switch (Ty->getTypeID()) {
-  case Type::FunctionTyID: {
-    const FunctionType *FTy = cast<FunctionType>(Ty);
-    std::stringstream FunctionInnards;
-    FunctionInnards << " (" << NameSoFar << ") (";
-    unsigned Idx = 1;
-    for (FunctionType::param_iterator I = FTy->param_begin(),
-           E = FTy->param_end(); I != E; ++I) {
-      if (I != FTy->param_begin())
-        FunctionInnards << ", ";
-      printType(FunctionInnards, *I, 
-         /*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute), "");
-      ++Idx;
-    }
-    if (FTy->isVarArg()) {
-      if (FTy->getNumParams())
-        FunctionInnards << ", ...";
-    } else if (!FTy->getNumParams()) {
-      FunctionInnards << "void";
-    }
-    FunctionInnards << ')';
-    std::string tstr = FunctionInnards.str();
-    printType(Out, FTy->getReturnType(), 
-        /*isSigned=*/FTy->paramHasAttr(0, FunctionType::SExtAttribute), tstr);
-    return Out;
-  }
-  case Type::StructTyID: {
-    const StructType *STy = cast<StructType>(Ty);
-    Out << NameSoFar + " {\n";
-    unsigned Idx = 0;
-    for (StructType::element_iterator I = STy->element_begin(),
-           E = STy->element_end(); I != E; ++I) {
-      Out << "  ";
-      printType(Out, *I, false, "field" + utostr(Idx++));
-      Out << ";\n";
-    }
-    return Out << '}';
-  }
-
-  case Type::PointerTyID: {
-    const PointerType *PTy = cast<PointerType>(Ty);
-    std::string ptrName = "*" + NameSoFar;
-
-    if (isa<ArrayType>(PTy->getElementType()) ||
-        isa<PackedType>(PTy->getElementType()))
-      ptrName = "(" + ptrName + ")";
-
-    return printType(Out, PTy->getElementType(), false, ptrName);
-  }
-
-  case Type::ArrayTyID: {
-    const ArrayType *ATy = cast<ArrayType>(Ty);
-    unsigned NumElements = ATy->getNumElements();
-    if (NumElements == 0) NumElements = 1;
-    return printType(Out, ATy->getElementType(), false,
-                     NameSoFar + "[" + utostr(NumElements) + "]");
-  }
-
-  case Type::PackedTyID: {
-    const PackedType *PTy = cast<PackedType>(Ty);
-    unsigned NumElements = PTy->getNumElements();
-    if (NumElements == 0) NumElements = 1;
-    return printType(Out, PTy->getElementType(), false,
-                     NameSoFar + "[" + utostr(NumElements) + "]");
-  }
-
-  case Type::OpaqueTyID: {
-    static int Count = 0;
-    std::string TyName = "struct opaque_" + itostr(Count++);
-    assert(TypeNames.find(Ty) == TypeNames.end());
-    TypeNames[Ty] = TyName;
-    return Out << TyName << ' ' << NameSoFar;
-  }
-  default:
-    assert(0 && "Unhandled case in getTypeProps!");
-    abort();
-  }
-
-  return Out;
-}
-
-void CWriter::printConstantArray(ConstantArray *CPA) {
-
-  // As a special case, print the array as a string if it is an array of
-  // ubytes or an array of sbytes with positive values.
-  //
-  const Type *ETy = CPA->getType()->getElementType();
-  bool isString = (ETy == Type::Int8Ty || ETy == Type::Int8Ty);
-
-  // Make sure the last character is a null char, as automatically added by C
-  if (isString && (CPA->getNumOperands() == 0 ||
-                   !cast<Constant>(*(CPA->op_end()-1))->isNullValue()))
-    isString = false;
-
-  if (isString) {
-    Out << '\"';
-    // Keep track of whether the last number was a hexadecimal escape
-    bool LastWasHex = false;
-
-    // Do not include the last character, which we know is null
-    for (unsigned i = 0, e = CPA->getNumOperands()-1; i != e; ++i) {
-      unsigned char C = cast<ConstantInt>(CPA->getOperand(i))->getZExtValue();
-
-      // Print it out literally if it is a printable character.  The only thing
-      // to be careful about is when the last letter output was a hex escape
-      // code, in which case we have to be careful not to print out hex digits
-      // explicitly (the C compiler thinks it is a continuation of the previous
-      // character, sheesh...)
-      //
-      if (isprint(C) && (!LastWasHex || !isxdigit(C))) {
-        LastWasHex = false;
-        if (C == '"' || C == '\\')
-          Out << "\\" << C;
-        else
-          Out << C;
-      } else {
-        LastWasHex = false;
-        switch (C) {
-        case '\n': Out << "\\n"; break;
-        case '\t': Out << "\\t"; break;
-        case '\r': Out << "\\r"; break;
-        case '\v': Out << "\\v"; break;
-        case '\a': Out << "\\a"; break;
-        case '\"': Out << "\\\""; break;
-        case '\'': Out << "\\\'"; break;
-        default:
-          Out << "\\x";
-          Out << (char)(( C/16  < 10) ? ( C/16 +'0') : ( C/16 -10+'A'));
-          Out << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
-          LastWasHex = true;
-          break;
-        }
-      }
-    }
-    Out << '\"';
-  } else {
-    Out << '{';
-    if (CPA->getNumOperands()) {
-      Out << ' ';
-      printConstant(cast<Constant>(CPA->getOperand(0)));
-      for (unsigned i = 1, e = CPA->getNumOperands(); i != e; ++i) {
-        Out << ", ";
-        printConstant(cast<Constant>(CPA->getOperand(i)));
-      }
-    }
-    Out << " }";
-  }
-}
-
-void CWriter::printConstantPacked(ConstantPacked *CP) {
-  Out << '{';
-  if (CP->getNumOperands()) {
-    Out << ' ';
-    printConstant(cast<Constant>(CP->getOperand(0)));
-    for (unsigned i = 1, e = CP->getNumOperands(); i != e; ++i) {
-      Out << ", ";
-      printConstant(cast<Constant>(CP->getOperand(i)));
-    }
-  }
-  Out << " }";
-}
-
-// isFPCSafeToPrint - Returns true if we may assume that CFP may be written out
-// textually as a double (rather than as a reference to a stack-allocated
-// variable). We decide this by converting CFP to a string and back into a
-// double, and then checking whether the conversion results in a bit-equal
-// double to the original value of CFP. This depends on us and the target C
-// compiler agreeing on the conversion process (which is pretty likely since we
-// only deal in IEEE FP).
-//
-static bool isFPCSafeToPrint(const ConstantFP *CFP) {
-#if HAVE_PRINTF_A && ENABLE_CBE_PRINTF_A
-  char Buffer[100];
-  sprintf(Buffer, "%a", CFP->getValue());
-
-  if (!strncmp(Buffer, "0x", 2) ||
-      !strncmp(Buffer, "-0x", 3) ||
-      !strncmp(Buffer, "+0x", 3))
-    return atof(Buffer) == CFP->getValue();
-  return false;
-#else
-  std::string StrVal = ftostr(CFP->getValue());
-
-  while (StrVal[0] == ' ')
-    StrVal.erase(StrVal.begin());
-
-  // Check to make sure that the stringized number is not some string like "Inf"
-  // or NaN.  Check that the string matches the "[-+]?[0-9]" regex.
-  if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
-      ((StrVal[0] == '-' || StrVal[0] == '+') &&
-       (StrVal[1] >= '0' && StrVal[1] <= '9')))
-    // Reparse stringized version!
-    return atof(StrVal.c_str()) == CFP->getValue();
-  return false;
-#endif
-}
-
-/// Print out the casting for a cast operation. This does the double casting
-/// necessary for conversion to the destination type, if necessary. 
-/// @brief Print a cast
-void CWriter::printCast(unsigned opc, const Type *SrcTy, const Type *DstTy) {
-  // Print the destination type cast
-  switch (opc) {
-    case Instruction::UIToFP:
-    case Instruction::SIToFP:
-    case Instruction::IntToPtr:
-    case Instruction::Trunc:
-    case Instruction::BitCast:
-    case Instruction::FPExt:
-    case Instruction::FPTrunc: // For these the DstTy sign doesn't matter
-      Out << '(';
-      printType(Out, DstTy);
-      Out << ')';
-      break;
-    case Instruction::ZExt:
-    case Instruction::PtrToInt:
-    case Instruction::FPToUI: // For these, make sure we get an unsigned dest
-      Out << '(';
-      printPrimitiveType(Out, DstTy, false);
-      Out << ')';
-      break;
-    case Instruction::SExt: 
-    case Instruction::FPToSI: // For these, make sure we get a signed dest
-      Out << '(';
-      printPrimitiveType(Out, DstTy, true);
-      Out << ')';
-      break;
-    default:
-      assert(0 && "Invalid cast opcode");
-  }
-
-  // Print the source type cast
-  switch (opc) {
-    case Instruction::UIToFP:
-    case Instruction::ZExt:
-      Out << '(';
-      printPrimitiveType(Out, SrcTy, false);
-      Out << ')';
-      break;
-    case Instruction::SIToFP:
-    case Instruction::SExt:
-      Out << '(';
-      printPrimitiveType(Out, SrcTy, true); 
-      Out << ')';
-      break;
-    case Instruction::IntToPtr:
-    case Instruction::PtrToInt:
-      // Avoid "cast to pointer from integer of different size" warnings
-      Out << "(unsigned long)";
-      break;
-    case Instruction::Trunc:
-    case Instruction::BitCast:
-    case Instruction::FPExt:
-    case Instruction::FPTrunc:
-    case Instruction::FPToSI:
-    case Instruction::FPToUI:
-      break; // These don't need a source cast.
-    default:
-      assert(0 && "Invalid cast opcode");
-      break;
-  }
-}
-
-// printConstant - The LLVM Constant to C Constant converter.
-void CWriter::printConstant(Constant *CPV) {
-  if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CPV)) {
-    switch (CE->getOpcode()) {
-    case Instruction::Trunc:
-    case Instruction::ZExt:
-    case Instruction::SExt:
-    case Instruction::FPTrunc:
-    case Instruction::FPExt:
-    case Instruction::UIToFP:
-    case Instruction::SIToFP:
-    case Instruction::FPToUI:
-    case Instruction::FPToSI:
-    case Instruction::PtrToInt:
-    case Instruction::IntToPtr:
-    case Instruction::BitCast:
-      Out << "(";
-      printCast(CE->getOpcode(), CE->getOperand(0)->getType(), CE->getType());
-      if (CE->getOpcode() == Instruction::SExt &&
-          CE->getOperand(0)->getType() == Type::BoolTy) {
-        // Make sure we really sext from bool here by subtracting from 0
-        Out << "0-";
-      }
-      printConstant(CE->getOperand(0));
-      if (CE->getType() == Type::BoolTy &&
-          (CE->getOpcode() == Instruction::Trunc ||
-           CE->getOpcode() == Instruction::FPToUI ||
-           CE->getOpcode() == Instruction::FPToSI ||
-           CE->getOpcode() == Instruction::PtrToInt)) {
-        // Make sure we really truncate to bool here by anding with 1
-        Out << "&1u";
-      }
-      Out << ')';
-      return;
-
-    case Instruction::GetElementPtr:
-      Out << "(&(";
-      printIndexingExpression(CE->getOperand(0), gep_type_begin(CPV),
-                              gep_type_end(CPV));
-      Out << "))";
-      return;
-    case Instruction::Select:
-      Out << '(';
-      printConstant(CE->getOperand(0));
-      Out << '?';
-      printConstant(CE->getOperand(1));
-      Out << ':';
-      printConstant(CE->getOperand(2));
-      Out << ')';
-      return;
-    case Instruction::Add:
-    case Instruction::Sub:
-    case Instruction::Mul:
-    case Instruction::SDiv:
-    case Instruction::UDiv:
-    case Instruction::FDiv:
-    case Instruction::URem:
-    case Instruction::SRem:
-    case Instruction::FRem:
-    case Instruction::And:
-    case Instruction::Or:
-    case Instruction::Xor:
-    case Instruction::ICmp:
-    case Instruction::Shl:
-    case Instruction::LShr:
-    case Instruction::AShr:
-    {
-      Out << '(';
-      bool NeedsClosingParens = printConstExprCast(CE); 
-      printConstantWithCast(CE->getOperand(0), CE->getOpcode());
-      switch (CE->getOpcode()) {
-      case Instruction::Add: Out << " + "; break;
-      case Instruction::Sub: Out << " - "; break;
-      case Instruction::Mul: Out << " * "; break;
-      case Instruction::URem:
-      case Instruction::SRem: 
-      case Instruction::FRem: Out << " % "; break;
-      case Instruction::UDiv: 
-      case Instruction::SDiv: 
-      case Instruction::FDiv: Out << " / "; break;
-      case Instruction::And: Out << " & "; break;
-      case Instruction::Or:  Out << " | "; break;
-      case Instruction::Xor: Out << " ^ "; break;
-      case Instruction::Shl: Out << " << "; break;
-      case Instruction::LShr:
-      case Instruction::AShr: Out << " >> "; break;
-      case Instruction::ICmp:
-        switch (CE->getPredicate()) {
-          case ICmpInst::ICMP_EQ: Out << " == "; break;
-          case ICmpInst::ICMP_NE: Out << " != "; break;
-          case ICmpInst::ICMP_SLT: 
-          case ICmpInst::ICMP_ULT: Out << " < "; break;
-          case ICmpInst::ICMP_SLE:
-          case ICmpInst::ICMP_ULE: Out << " <= "; break;
-          case ICmpInst::ICMP_SGT:
-          case ICmpInst::ICMP_UGT: Out << " > "; break;
-          case ICmpInst::ICMP_SGE:
-          case ICmpInst::ICMP_UGE: Out << " >= "; break;
-          default: assert(0 && "Illegal ICmp predicate");
-        }
-        break;
-      default: assert(0 && "Illegal opcode here!");
-      }
-      printConstantWithCast(CE->getOperand(1), CE->getOpcode());
-      if (NeedsClosingParens)
-        Out << "))";
-      Out << ')';
-      return;
-    }
-    case Instruction::FCmp: {
-      Out << '('; 
-      bool NeedsClosingParens = printConstExprCast(CE); 
-      if (CE->getPredicate() == FCmpInst::FCMP_FALSE)
-        Out << "0";
-      else if (CE->getPredicate() == FCmpInst::FCMP_TRUE)
-        Out << "1";
-      else {
-        const char* op = 0;
-        switch (CE->getPredicate()) {
-        default: assert(0 && "Illegal FCmp predicate");
-        case FCmpInst::FCMP_ORD: op = "ord"; break;
-        case FCmpInst::FCMP_UNO: op = "uno"; break;
-        case FCmpInst::FCMP_UEQ: op = "ueq"; break;
-        case FCmpInst::FCMP_UNE: op = "une"; break;
-        case FCmpInst::FCMP_ULT: op = "ult"; break;
-        case FCmpInst::FCMP_ULE: op = "ule"; break;
-        case FCmpInst::FCMP_UGT: op = "ugt"; break;
-        case FCmpInst::FCMP_UGE: op = "uge"; break;
-        case FCmpInst::FCMP_OEQ: op = "oeq"; break;
-        case FCmpInst::FCMP_ONE: op = "one"; break;
-        case FCmpInst::FCMP_OLT: op = "olt"; break;
-        case FCmpInst::FCMP_OLE: op = "ole"; break;
-        case FCmpInst::FCMP_OGT: op = "ogt"; break;
-        case FCmpInst::FCMP_OGE: op = "oge"; break;
-        }
-        Out << "llvm_fcmp_" << op << "(";
-        printConstantWithCast(CE->getOperand(0), CE->getOpcode());
-        Out << ", ";
-        printConstantWithCast(CE->getOperand(1), CE->getOpcode());
-        Out << ")";
-      }
-      if (NeedsClosingParens)
-        Out << "))";
-      Out << ')';
-    }
-    default:
-      cerr << "CWriter Error: Unhandled constant expression: "
-           << *CE << "\n";
-      abort();
-    }
-  } else if (isa<UndefValue>(CPV) && CPV->getType()->isFirstClassType()) {
-    Out << "((";
-    printType(Out, CPV->getType()); // sign doesn't matter
-    Out << ")/*UNDEF*/0)";
-    return;
-  }
-
-  if (ConstantBool *CB = dyn_cast<ConstantBool>(CPV)) {
-    Out << (CB->getValue() ? '1' : '0') ;
-    return;
-  }
-
-  if (ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
-    const Type* Ty = CI->getType();
-    Out << "((";
-    printPrimitiveType(Out, Ty, false) << ')';
-    if (CI->isMinValue(true)) 
-      Out << CI->getZExtValue() << 'u';
-    else
-      Out << CI->getSExtValue();
-    if (Ty->getPrimitiveSizeInBits() > 32)
-      Out << "ll";
-    Out << ')';
-    return;
-  } 
-
-  switch (CPV->getType()->getTypeID()) {
-  case Type::FloatTyID:
-  case Type::DoubleTyID: {
-    ConstantFP *FPC = cast<ConstantFP>(CPV);
-    std::map<const ConstantFP*, unsigned>::iterator I = FPConstantMap.find(FPC);
-    if (I != FPConstantMap.end()) {
-      // Because of FP precision problems we must load from a stack allocated
-      // value that holds the value in hex.
-      Out << "(*(" << (FPC->getType() == Type::FloatTy ? "float" : "double")
-          << "*)&FPConstant" << I->second << ')';
-    } else {
-      if (IsNAN(FPC->getValue())) {
-        // The value is NaN
-
-        // The prefix for a quiet NaN is 0x7FF8. For a signalling NaN,
-        // it's 0x7ff4.
-        const unsigned long QuietNaN = 0x7ff8UL;
-        //const unsigned long SignalNaN = 0x7ff4UL;
-
-        // We need to grab the first part of the FP #
-        char Buffer[100];
-
-        uint64_t ll = DoubleToBits(FPC->getValue());
-        sprintf(Buffer, "0x%llx", static_cast<long long>(ll));
-
-        std::string Num(&Buffer[0], &Buffer[6]);
-        unsigned long Val = strtoul(Num.c_str(), 0, 16);
-
-        if (FPC->getType() == Type::FloatTy)
-          Out << "LLVM_NAN" << (Val == QuietNaN ? "" : "S") << "F(\""
-              << Buffer << "\") /*nan*/ ";
-        else
-          Out << "LLVM_NAN" << (Val == QuietNaN ? "" : "S") << "(\""
-              << Buffer << "\") /*nan*/ ";
-      } else if (IsInf(FPC->getValue())) {
-        // The value is Inf
-        if (FPC->getValue() < 0) Out << '-';
-        Out << "LLVM_INF" << (FPC->getType() == Type::FloatTy ? "F" : "")
-            << " /*inf*/ ";
-      } else {
-        std::string Num;
-#if HAVE_PRINTF_A && ENABLE_CBE_PRINTF_A
-        // Print out the constant as a floating point number.
-        char Buffer[100];
-        sprintf(Buffer, "%a", FPC->getValue());
-        Num = Buffer;
-#else
-        Num = ftostr(FPC->getValue());
-#endif
-        Out << Num;
-      }
-    }
-    break;
-  }
-
-  case Type::ArrayTyID:
-    if (isa<ConstantAggregateZero>(CPV) || isa<UndefValue>(CPV)) {
-      const ArrayType *AT = cast<ArrayType>(CPV->getType());
-      Out << '{';
-      if (AT->getNumElements()) {
-        Out << ' ';
-        Constant *CZ = Constant::getNullValue(AT->getElementType());
-        printConstant(CZ);
-        for (unsigned i = 1, e = AT->getNumElements(); i != e; ++i) {
-          Out << ", ";
-          printConstant(CZ);
-        }
-      }
-      Out << " }";
-    } else {
-      printConstantArray(cast<ConstantArray>(CPV));
-    }
-    break;
-
-  case Type::PackedTyID:
-    if (isa<ConstantAggregateZero>(CPV) || isa<UndefValue>(CPV)) {
-      const PackedType *AT = cast<PackedType>(CPV->getType());
-      Out << '{';
-      if (AT->getNumElements()) {
-        Out << ' ';
-        Constant *CZ = Constant::getNullValue(AT->getElementType());
-        printConstant(CZ);
-        for (unsigned i = 1, e = AT->getNumElements(); i != e; ++i) {
-          Out << ", ";
-          printConstant(CZ);
-        }
-      }
-      Out << " }";
-    } else {
-      printConstantPacked(cast<ConstantPacked>(CPV));
-    }
-    break;
-
-  case Type::StructTyID:
-    if (isa<ConstantAggregateZero>(CPV) || isa<UndefValue>(CPV)) {
-      const StructType *ST = cast<StructType>(CPV->getType());
-      Out << '{';
-      if (ST->getNumElements()) {
-        Out << ' ';
-        printConstant(Constant::getNullValue(ST->getElementType(0)));
-        for (unsigned i = 1, e = ST->getNumElements(); i != e; ++i) {
-          Out << ", ";
-          printConstant(Constant::getNullValue(ST->getElementType(i)));
-        }
-      }
-      Out << " }";
-    } else {
-      Out << '{';
-      if (CPV->getNumOperands()) {
-        Out << ' ';
-        printConstant(cast<Constant>(CPV->getOperand(0)));
-        for (unsigned i = 1, e = CPV->getNumOperands(); i != e; ++i) {
-          Out << ", ";
-          printConstant(cast<Constant>(CPV->getOperand(i)));
-        }
-      }
-      Out << " }";
-    }
-    break;
-
-  case Type::PointerTyID:
-    if (isa<ConstantPointerNull>(CPV)) {
-      Out << "((";
-      printType(Out, CPV->getType()); // sign doesn't matter
-      Out << ")/*NULL*/0)";
-      break;
-    } else if (GlobalValue *GV = dyn_cast<GlobalValue>(CPV)) {
-      writeOperand(GV);
-      break;
-    }
-    // FALL THROUGH
-  default:
-    cerr << "Unknown constant type: " << *CPV << "\n";
-    abort();
-  }
-}
-
-// Some constant expressions need to be casted back to the original types
-// because their operands were casted to the expected type. This function takes
-// care of detecting that case and printing the cast for the ConstantExpr.
-bool CWriter::printConstExprCast(const ConstantExpr* CE) {
-  bool NeedsExplicitCast = false;
-  const Type *Ty = CE->getOperand(0)->getType();
-  bool TypeIsSigned = false;
-  switch (CE->getOpcode()) {
-  case Instruction::LShr:
-  case Instruction::URem: 
-  case Instruction::UDiv: NeedsExplicitCast = true; break;
-  case Instruction::AShr:
-  case Instruction::SRem: 
-  case Instruction::SDiv: NeedsExplicitCast = true; TypeIsSigned = true; break;
-  case Instruction::SExt:
-    Ty = CE->getType();
-    NeedsExplicitCast = true;
-    TypeIsSigned = true;
-    break;
-  case Instruction::ZExt:
-  case Instruction::Trunc:
-  case Instruction::FPTrunc:
-  case Instruction::FPExt:
-  case Instruction::UIToFP:
-  case Instruction::SIToFP:
-  case Instruction::FPToUI:
-  case Instruction::FPToSI:
-  case Instruction::PtrToInt:
-  case Instruction::IntToPtr:
-  case Instruction::BitCast:
-    Ty = CE->getType();
-    NeedsExplicitCast = true;
-    break;
-  default: break;
-  }
-  if (NeedsExplicitCast) {
-    Out << "((";
-    if (Ty->isInteger())
-      printPrimitiveType(Out, Ty, TypeIsSigned);
-    else
-      printType(Out, Ty); // not integer, sign doesn't matter
-    Out << ")(";
-  }
-  return NeedsExplicitCast;
-}
-
-//  Print a constant assuming that it is the operand for a given Opcode. The
-//  opcodes that care about sign need to cast their operands to the expected
-//  type before the operation proceeds. This function does the casting.
-void CWriter::printConstantWithCast(Constant* CPV, unsigned Opcode) {
-
-  // Extract the operand's type, we'll need it.
-  const Type* OpTy = CPV->getType();
-
-  // Indicate whether to do the cast or not.
-  bool shouldCast = false;
-  bool typeIsSigned = false;
-
-  // Based on the Opcode for which this Constant is being written, determine
-  // the new type to which the operand should be casted by setting the value
-  // of OpTy. If we change OpTy, also set shouldCast to true so it gets
-  // casted below.
-  switch (Opcode) {
-    default:
-      // for most instructions, it doesn't matter
-      break; 
-    case Instruction::LShr:
-    case Instruction::UDiv:
-    case Instruction::URem:
-      shouldCast = true;
-      break;
-    case Instruction::AShr:
-    case Instruction::SDiv:
-    case Instruction::SRem:
-      shouldCast = true;
-      typeIsSigned = true;
-      break;
-  }
-
-  // Write out the casted constant if we should, otherwise just write the
-  // operand.
-  if (shouldCast) {
-    Out << "((";
-    printPrimitiveType(Out, OpTy, typeIsSigned);
-    Out << ")";
-    printConstant(CPV);
-    Out << ")";
-  } else 
-    printConstant(CPV);
-}
-
-void CWriter::writeOperandInternal(Value *Operand) {
-  if (Instruction *I = dyn_cast<Instruction>(Operand))
-    if (isInlinableInst(*I) && !isDirectAlloca(I)) {
-      // Should we inline this instruction to build a tree?
-      Out << '(';
-      visit(*I);
-      Out << ')';
-      return;
-    }
-
-  Constant* CPV = dyn_cast<Constant>(Operand);
-  if (CPV && !isa<GlobalValue>(CPV)) {
-    printConstant(CPV);
-  } else {
-    Out << Mang->getValueName(Operand);
-  }
-}
-
-void CWriter::writeOperandRaw(Value *Operand) {
-  Constant* CPV = dyn_cast<Constant>(Operand);
-  if (CPV && !isa<GlobalValue>(CPV)) {
-    printConstant(CPV);
-  } else {
-    Out << Mang->getValueName(Operand);
-  }
-}
-
-void CWriter::writeOperand(Value *Operand) {
-  if (isa<GlobalVariable>(Operand) || isDirectAlloca(Operand))
-    Out << "(&";  // Global variables are referenced as their addresses by llvm
-
-  writeOperandInternal(Operand);
-
-  if (isa<GlobalVariable>(Operand) || isDirectAlloca(Operand))
-    Out << ')';
-}
-
-// Some instructions need to have their result value casted back to the 
-// original types because their operands were casted to the expected type. 
-// This function takes care of detecting that case and printing the cast 
-// for the Instruction.
-bool CWriter::writeInstructionCast(const Instruction &I) {
-  const Type *Ty = I.getOperand(0)->getType();
-  switch (I.getOpcode()) {
-  case Instruction::LShr:
-  case Instruction::URem: 
-  case Instruction::UDiv: 
-    Out << "((";
-    printPrimitiveType(Out, Ty, false);
-    Out << ")(";
-    return true;
-  case Instruction::AShr:
-  case Instruction::SRem: 
-  case Instruction::SDiv: 
-    Out << "((";
-    printPrimitiveType(Out, Ty, true);
-    Out << ")(";
-    return true;
-  default: break;
-  }
-  return false;
-}
-
-// Write the operand with a cast to another type based on the Opcode being used.
-// This will be used in cases where an instruction has specific type
-// requirements (usually signedness) for its operands. 
-void CWriter::writeOperandWithCast(Value* Operand, unsigned Opcode) {
-
-  // Extract the operand's type, we'll need it.
-  const Type* OpTy = Operand->getType();
-
-  // Indicate whether to do the cast or not.
-  bool shouldCast = false;
-
-  // Indicate whether the cast should be to a signed type or not.
-  bool castIsSigned = false;
-
-  // Based on the Opcode for which this Operand is being written, determine
-  // the new type to which the operand should be casted by setting the value
-  // of OpTy. If we change OpTy, also set shouldCast to true.
-  switch (Opcode) {
-    default:
-      // for most instructions, it doesn't matter
-      break; 
-    case Instruction::LShr:
-    case Instruction::UDiv:
-    case Instruction::URem: // Cast to unsigned first
-      shouldCast = true;
-      castIsSigned = false;
-      break;
-    case Instruction::AShr:
-    case Instruction::SDiv:
-    case Instruction::SRem: // Cast to signed first
-      shouldCast = true;
-      castIsSigned = true;
-      break;
-  }
-
-  // Write out the casted operand if we should, otherwise just write the
-  // operand.
-  if (shouldCast) {
-    Out << "((";
-    printPrimitiveType(Out, OpTy, castIsSigned);
-    Out << ")";
-    writeOperand(Operand);
-    Out << ")";
-  } else 
-    writeOperand(Operand);
-}
-
-// Write the operand with a cast to another type based on the icmp predicate 
-// being used. 
-void CWriter::writeOperandWithCast(Value* Operand, ICmpInst::Predicate predicate) {
-
-  // Extract the operand's type, we'll need it.
-  const Type* OpTy = Operand->getType();
-
-  // Indicate whether to do the cast or not.
-  bool shouldCast = false;
-
-  // Indicate whether the cast should be to a signed type or not.
-  bool castIsSigned = false;
-
-  // Based on the Opcode for which this Operand is being written, determine
-  // the new type to which the operand should be casted by setting the value
-  // of OpTy. If we change OpTy, also set shouldCast to true.
-  switch (predicate) {
-    default:
-      // for eq and ne, it doesn't matter
-      break; 
-    case ICmpInst::ICMP_UGT:
-    case ICmpInst::ICMP_UGE:
-    case ICmpInst::ICMP_ULT:
-    case ICmpInst::ICMP_ULE:
-      shouldCast = true;
-      break;
-    case ICmpInst::ICMP_SGT:
-    case ICmpInst::ICMP_SGE:
-    case ICmpInst::ICMP_SLT:
-    case ICmpInst::ICMP_SLE:
-      shouldCast = true;
-      castIsSigned = true;
-      break;
-  }
-
-  // Write out the casted operand if we should, otherwise just write the
-  // operand.
-  if (shouldCast) {
-    Out << "((";
-    if (OpTy->isInteger())
-      printPrimitiveType(Out, OpTy, castIsSigned);
-    else
-      printType(Out, OpTy); // not integer, sign doesn't matter
-    Out << ")";
-    writeOperand(Operand);
-    Out << ")";
-  } else 
-    writeOperand(Operand);
-}
-
-// generateCompilerSpecificCode - This is where we add conditional compilation
-// directives to cater to specific compilers as need be.
-//
-static void generateCompilerSpecificCode(std::ostream& Out) {
-  // Alloca is hard to get, and we don't want to include stdlib.h here.
-  Out << "/* get a declaration for alloca */\n"
-      << "#if defined(__CYGWIN__) || defined(__MINGW32__)\n"
-      << "extern void *_alloca(unsigned long);\n"
-      << "#define alloca(x) _alloca(x)\n"
-      << "#elif defined(__APPLE__)\n"
-      << "extern void *__builtin_alloca(unsigned long);\n"
-      << "#define alloca(x) __builtin_alloca(x)\n"
-      << "#define longjmp _longjmp\n"
-      << "#define setjmp _setjmp\n"
-      << "#elif defined(__sun__)\n"
-      << "#if defined(__sparcv9)\n"
-      << "extern void *__builtin_alloca(unsigned long);\n"
-      << "#else\n"
-      << "extern void *__builtin_alloca(unsigned int);\n"
-      << "#endif\n"
-      << "#define alloca(x) __builtin_alloca(x)\n"
-      << "#elif defined(__FreeBSD__) || defined(__OpenBSD__)\n"
-      << "#define alloca(x) __builtin_alloca(x)\n"
-      << "#elif !defined(_MSC_VER)\n"
-      << "#include <alloca.h>\n"
-      << "#endif\n\n";
-
-  // We output GCC specific attributes to preserve 'linkonce'ness on globals.
-  // If we aren't being compiled with GCC, just drop these attributes.
-  Out << "#ifndef __GNUC__  /* Can only support \"linkonce\" vars with GCC */\n"
-      << "#define __attribute__(X)\n"
-      << "#endif\n\n";
-
-  // On Mac OS X, "external weak" is spelled "__attribute__((weak_import))".
-  Out << "#if defined(__GNUC__) && defined(__APPLE_CC__)\n"
-      << "#define __EXTERNAL_WEAK__ __attribute__((weak_import))\n"
-      << "#elif defined(__GNUC__)\n"
-      << "#define __EXTERNAL_WEAK__ __attribute__((weak))\n"
-      << "#else\n"
-      << "#define __EXTERNAL_WEAK__\n"
-      << "#endif\n\n";
-
-  // For now, turn off the weak linkage attribute on Mac OS X. (See above.)
-  Out << "#if defined(__GNUC__) && defined(__APPLE_CC__)\n"
-      << "#define __ATTRIBUTE_WEAK__\n"
-      << "#elif defined(__GNUC__)\n"
-      << "#define __ATTRIBUTE_WEAK__ __attribute__((weak))\n"
-      << "#else\n"
-      << "#define __ATTRIBUTE_WEAK__\n"
-      << "#endif\n\n";
-
-  // Define NaN and Inf as GCC builtins if using GCC, as 0 otherwise
-  // From the GCC documentation:
-  //
-  //   double __builtin_nan (const char *str)
-  //
-  // This is an implementation of the ISO C99 function nan.
-  //
-  // Since ISO C99 defines this function in terms of strtod, which we do
-  // not implement, a description of the parsing is in order. The string is
-  // parsed as by strtol; that is, the base is recognized by leading 0 or
-  // 0x prefixes. The number parsed is placed in the significand such that
-  // the least significant bit of the number is at the least significant
-  // bit of the significand. The number is truncated to fit the significand
-  // field provided. The significand is forced to be a quiet NaN.
-  //
-  // This function, if given a string literal, is evaluated early enough
-  // that it is considered a compile-time constant.
-  //
-  //   float __builtin_nanf (const char *str)
-  //
-  // Similar to __builtin_nan, except the return type is float.
-  //
-  //   double __builtin_inf (void)
-  //
-  // Similar to __builtin_huge_val, except a warning is generated if the
-  // target floating-point format does not support infinities. This
-  // function is suitable for implementing the ISO C99 macro INFINITY.
-  //
-  //   float __builtin_inff (void)
-  //
-  // Similar to __builtin_inf, except the return type is float.
-  Out << "#ifdef __GNUC__\n"
-      << "#define LLVM_NAN(NanStr)   __builtin_nan(NanStr)   /* Double */\n"
-      << "#define LLVM_NANF(NanStr)  __builtin_nanf(NanStr)  /* Float */\n"
-      << "#define LLVM_NANS(NanStr)  __builtin_nans(NanStr)  /* Double */\n"
-      << "#define LLVM_NANSF(NanStr) __builtin_nansf(NanStr) /* Float */\n"
-      << "#define LLVM_INF           __builtin_inf()         /* Double */\n"
-      << "#define LLVM_INFF          __builtin_inff()        /* Float */\n"
-      << "#define LLVM_PREFETCH(addr,rw,locality) "
-                              "__builtin_prefetch(addr,rw,locality)\n"
-      << "#define __ATTRIBUTE_CTOR__ __attribute__((constructor))\n"
-      << "#define __ATTRIBUTE_DTOR__ __attribute__((destructor))\n"
-      << "#define LLVM_ASM           __asm__\n"
-      << "#else\n"
-      << "#define LLVM_NAN(NanStr)   ((double)0.0)           /* Double */\n"
-      << "#define LLVM_NANF(NanStr)  0.0F                    /* Float */\n"
-      << "#define LLVM_NANS(NanStr)  ((double)0.0)           /* Double */\n"
-      << "#define LLVM_NANSF(NanStr) 0.0F                    /* Float */\n"
-      << "#define LLVM_INF           ((double)0.0)           /* Double */\n"
-      << "#define LLVM_INFF          0.0F                    /* Float */\n"
-      << "#define LLVM_PREFETCH(addr,rw,locality)            /* PREFETCH */\n"
-      << "#define __ATTRIBUTE_CTOR__\n"
-      << "#define __ATTRIBUTE_DTOR__\n"
-      << "#define LLVM_ASM(X)\n"
-      << "#endif\n\n";
-
-  // Output target-specific code that should be inserted into main.
-  Out << "#define CODE_FOR_MAIN() /* Any target-specific code for main()*/\n";
-  // On X86, set the FP control word to 64-bits of precision instead of 80 bits.
-  Out << "#if defined(__GNUC__) && !defined(__llvm__)\n"
-      << "#if defined(i386) || defined(__i386__) || defined(__i386) || "
-      << "defined(__x86_64__)\n"
-      << "#undef CODE_FOR_MAIN\n"
-      << "#define CODE_FOR_MAIN() \\\n"
-      << "  {short F;__asm__ (\"fnstcw %0\" : \"=m\" (*&F)); \\\n"
-      << "  F=(F&~0x300)|0x200;__asm__(\"fldcw %0\"::\"m\"(*&F));}\n"
-      << "#endif\n#endif\n";
-
-}
-
-/// FindStaticTors - Given a static ctor/dtor list, unpack its contents into
-/// the StaticTors set.
-static void FindStaticTors(GlobalVariable *GV, std::set<Function*> &StaticTors){
-  ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
-  if (!InitList) return;
-  
-  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
-    if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){
-      if (CS->getNumOperands() != 2) return;  // Not array of 2-element structs.
-      
-      if (CS->getOperand(1)->isNullValue())
-        return;  // Found a null terminator, exit printing.
-      Constant *FP = CS->getOperand(1);
-      if (ConstantExpr *CE = dyn_cast<ConstantExpr>(FP))
-        if (CE->isCast())
-          FP = CE->getOperand(0);
-      if (Function *F = dyn_cast<Function>(FP))
-        StaticTors.insert(F);
-    }
-}
-
-enum SpecialGlobalClass {
-  NotSpecial = 0,
-  GlobalCtors, GlobalDtors,
-  NotPrinted
-};
-
-/// getGlobalVariableClass - If this is a global that is specially recognized
-/// by LLVM, return a code that indicates how we should handle it.
-static SpecialGlobalClass getGlobalVariableClass(const GlobalVariable *GV) {
-  // If this is a global ctors/dtors list, handle it now.
-  if (GV->hasAppendingLinkage() && GV->use_empty()) {
-    if (GV->getName() == "llvm.global_ctors")
-      return GlobalCtors;
-    else if (GV->getName() == "llvm.global_dtors")
-      return GlobalDtors;
-  }
-  
-  // Otherwise, it it is other metadata, don't print it.  This catches things
-  // like debug information.
-  if (GV->getSection() == "llvm.metadata")
-    return NotPrinted;
-  
-  return NotSpecial;
-}
-
-
-bool CWriter::doInitialization(Module &M) {
-  // Initialize
-  TheModule = &M;
-
-  IL.AddPrototypes(M);
-
-  // Ensure that all structure types have names...
-  Mang = new Mangler(M);
-  Mang->markCharUnacceptable('.');
-
-  // Keep track of which functions are static ctors/dtors so they can have
-  // an attribute added to their prototypes.
-  std::set<Function*> StaticCtors, StaticDtors;
-  for (Module::global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I) {
-    switch (getGlobalVariableClass(I)) {
-    default: break;
-    case GlobalCtors:
-      FindStaticTors(I, StaticCtors);
-      break;
-    case GlobalDtors:
-      FindStaticTors(I, StaticDtors);
-      break;
-    }
-  }
-  
-  // get declaration for alloca
-  Out << "/* Provide Declarations */\n";
-  Out << "#include <stdarg.h>\n";      // Varargs support
-  Out << "#include <setjmp.h>\n";      // Unwind support
-  generateCompilerSpecificCode(Out);
-
-  // Provide a definition for `bool' if not compiling with a C++ compiler.
-  Out << "\n"
-      << "#ifndef __cplusplus\ntypedef unsigned char bool;\n#endif\n"
-
-      << "\n\n/* Support for floating point constants */\n"
-      << "typedef unsigned long long ConstantDoubleTy;\n"
-      << "typedef unsigned int        ConstantFloatTy;\n"
-
-      << "\n\n/* Global Declarations */\n";
-
-  // First output all the declarations for the program, because C requires
-  // Functions & globals to be declared before they are used.
-  //
-
-  // Loop over the symbol table, emitting all named constants...
-  printModuleTypes(M.getTypeSymbolTable());
-
-  // Global variable declarations...
-  if (!M.global_empty()) {
-    Out << "\n/* External Global Variable Declarations */\n";
-    for (Module::global_iterator I = M.global_begin(), E = M.global_end();
-         I != E; ++I) {
-      if (I->hasExternalLinkage()) {
-        Out << "extern ";
-        printType(Out, I->getType()->getElementType(), false, 
-                  Mang->getValueName(I));
-        Out << ";\n";
-      } else if (I->hasDLLImportLinkage()) {
-        Out << "__declspec(dllimport) ";
-        printType(Out, I->getType()->getElementType(), false, 
-                  Mang->getValueName(I));
-        Out << ";\n";        
-      } else if (I->hasExternalWeakLinkage()) {
-        Out << "extern ";
-        printType(Out, I->getType()->getElementType(), false,
-                  Mang->getValueName(I));
-        Out << " __EXTERNAL_WEAK__ ;\n";
-      }
-    }
-  }
-
-  // Function declarations
-  Out << "\n/* Function Declarations */\n";
-  Out << "double fmod(double, double);\n";   // Support for FP rem
-  Out << "float fmodf(float, float);\n";
-  
-  for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
-    // Don't print declarations for intrinsic functions.
-    if (!I->getIntrinsicID() && I->getName() != "setjmp" && 
-        I->getName() != "longjmp" && I->getName() != "_setjmp") {
-      if (I->hasExternalWeakLinkage())
-        Out << "extern ";
-      printFunctionSignature(I, true);
-      if (I->hasWeakLinkage() || I->hasLinkOnceLinkage()) 
-        Out << " __ATTRIBUTE_WEAK__";
-      if (I->hasExternalWeakLinkage())
-        Out << " __EXTERNAL_WEAK__";
-      if (StaticCtors.count(I))
-        Out << " __ATTRIBUTE_CTOR__";
-      if (StaticDtors.count(I))
-        Out << " __ATTRIBUTE_DTOR__";
-      
-      if (I->hasName() && I->getName()[0] == 1)
-        Out << " LLVM_ASM(\"" << I->getName().c_str()+1 << "\")";
-          
-      Out << ";\n";
-    }
-  }
-
-  // Output the global variable declarations
-  if (!M.global_empty()) {
-    Out << "\n\n/* Global Variable Declarations */\n";
-    for (Module::global_iterator I = M.global_begin(), E = M.global_end();
-         I != E; ++I)
-      if (!I->isExternal()) {
-        // Ignore special globals, such as debug info.
-        if (getGlobalVariableClass(I))
-          continue;
-        
-        if (I->hasInternalLinkage())
-          Out << "static ";
-        else
-          Out << "extern ";
-        printType(Out, I->getType()->getElementType(), false, 
-                  Mang->getValueName(I));
-
-        if (I->hasLinkOnceLinkage())
-          Out << " __attribute__((common))";
-        else if (I->hasWeakLinkage())
-          Out << " __ATTRIBUTE_WEAK__";
-        else if (I->hasExternalWeakLinkage())
-          Out << " __EXTERNAL_WEAK__";
-        Out << ";\n";
-      }
-  }
-
-  // Output the global variable definitions and contents...
-  if (!M.global_empty()) {
-    Out << "\n\n/* Global Variable Definitions and Initialization */\n";
-    for (Module::global_iterator I = M.global_begin(), E = M.global_end(); 
-         I != E; ++I)
-      if (!I->isExternal()) {
-        // Ignore special globals, such as debug info.
-        if (getGlobalVariableClass(I))
-          continue;
-        
-        if (I->hasInternalLinkage())
-          Out << "static ";
-        else if (I->hasDLLImportLinkage())
-          Out << "__declspec(dllimport) ";
-        else if (I->hasDLLExportLinkage())
-          Out << "__declspec(dllexport) ";
-            
-        printType(Out, I->getType()->getElementType(), false, 
-                  Mang->getValueName(I));
-        if (I->hasLinkOnceLinkage())
-          Out << " __attribute__((common))";
-        else if (I->hasWeakLinkage())
-          Out << " __ATTRIBUTE_WEAK__";
-
-        // If the initializer is not null, emit the initializer.  If it is null,
-        // we try to avoid emitting large amounts of zeros.  The problem with
-        // this, however, occurs when the variable has weak linkage.  In this
-        // case, the assembler will complain about the variable being both weak
-        // and common, so we disable this optimization.
-        if (!I->getInitializer()->isNullValue()) {
-          Out << " = " ;
-          writeOperand(I->getInitializer());
-        } else if (I->hasWeakLinkage()) {
-          // We have to specify an initializer, but it doesn't have to be
-          // complete.  If the value is an aggregate, print out { 0 }, and let
-          // the compiler figure out the rest of the zeros.
-          Out << " = " ;
-          if (isa<StructType>(I->getInitializer()->getType()) ||
-              isa<ArrayType>(I->getInitializer()->getType()) ||
-              isa<PackedType>(I->getInitializer()->getType())) {
-            Out << "{ 0 }";
-          } else {
-            // Just print it out normally.
-            writeOperand(I->getInitializer());
-          }
-        }
-        Out << ";\n";
-      }
-  }
-
-  if (!M.empty())
-    Out << "\n\n/* Function Bodies */\n";
-
-  // Emit some helper functions for dealing with FCMP instruction's 
-  // predicates
-  Out << "static inline int llvm_fcmp_ord(double X, double Y) { ";
-  Out << "return X == X && Y == Y; }\n";
-  Out << "static inline int llvm_fcmp_uno(double X, double Y) { ";
-  Out << "return X != X || Y != Y; }\n";
-  Out << "static inline int llvm_fcmp_ueq(double X, double Y) { ";
-  Out << "return X == Y || llvm_fcmp_uno(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_une(double X, double Y) { ";
-  Out << "return X != Y; }\n";
-  Out << "static inline int llvm_fcmp_ult(double X, double Y) { ";
-  Out << "return X <  Y || llvm_fcmp_uno(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_ugt(double X, double Y) { ";
-  Out << "return X >  Y || llvm_fcmp_uno(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_ule(double X, double Y) { ";
-  Out << "return X <= Y || llvm_fcmp_uno(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_uge(double X, double Y) { ";
-  Out << "return X >= Y || llvm_fcmp_uno(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_oeq(double X, double Y) { ";
-  Out << "return X == Y ; }\n";
-  Out << "static inline int llvm_fcmp_one(double X, double Y) { ";
-  Out << "return X != Y && llvm_fcmp_ord(X, Y); }\n";
-  Out << "static inline int llvm_fcmp_olt(double X, double Y) { ";
-  Out << "return X <  Y ; }\n";
-  Out << "static inline int llvm_fcmp_ogt(double X, double Y) { ";
-  Out << "return X >  Y ; }\n";
-  Out << "static inline int llvm_fcmp_ole(double X, double Y) { ";
-  Out << "return X <= Y ; }\n";
-  Out << "static inline int llvm_fcmp_oge(double X, double Y) { ";
-  Out << "return X >= Y ; }\n";
-  return false;
-}
-
-
-/// Output all floating point constants that cannot be printed accurately...
-void CWriter::printFloatingPointConstants(Function &F) {
-  // Scan the module for floating point constants.  If any FP constant is used
-  // in the function, we want to redirect it here so that we do not depend on
-  // the precision of the printed form, unless the printed form preserves
-  // precision.
-  //
-  static unsigned FPCounter = 0;
-  for (constant_iterator I = constant_begin(&F), E = constant_end(&F);
-       I != E; ++I)
-    if (const ConstantFP *FPC = dyn_cast<ConstantFP>(*I))
-      if (!isFPCSafeToPrint(FPC) && // Do not put in FPConstantMap if safe.
-          !FPConstantMap.count(FPC)) {
-        double Val = FPC->getValue();
-
-        FPConstantMap[FPC] = FPCounter;  // Number the FP constants
-
-        if (FPC->getType() == Type::DoubleTy) {
-          Out << "static const ConstantDoubleTy FPConstant" << FPCounter++
-              << " = 0x" << std::hex << DoubleToBits(Val) << std::dec
-              << "ULL;    /* " << Val << " */\n";
-        } else if (FPC->getType() == Type::FloatTy) {
-          Out << "static const ConstantFloatTy FPConstant" << FPCounter++
-              << " = 0x" << std::hex << FloatToBits(Val) << std::dec
-              << "U;    /* " << Val << " */\n";
-        } else
-          assert(0 && "Unknown float type!");
-      }
-
-  Out << '\n';
-}
-
-
-/// printSymbolTable - Run through symbol table looking for type names.  If a
-/// type name is found, emit its declaration...
-///
-void CWriter::printModuleTypes(const TypeSymbolTable &TST) {
-  Out << "/* Helper union for bitcasts */\n";
-  Out << "typedef union {\n";
-  Out << "  unsigned int Int32;\n";
-  Out << "  unsigned long long Int64;\n";
-  Out << "  float Float;\n";
-  Out << "  double Double;\n";
-  Out << "} llvmBitCastUnion;\n";
-
-  // We are only interested in the type plane of the symbol table.
-  TypeSymbolTable::const_iterator I   = TST.begin();
-  TypeSymbolTable::const_iterator End = TST.end();
-
-  // If there are no type names, exit early.
-  if (I == End) return;
-
-  // Print out forward declarations for structure types before anything else!
-  Out << "/* Structure forward decls */\n";
-  for (; I != End; ++I)
-    if (const Type *STy = dyn_cast<StructType>(I->second)) {
-      std::string Name = "struct l_" + Mang->makeNameProper(I->first);
-      Out << Name << ";\n";
-      TypeNames.insert(std::make_pair(STy, Name));
-    }
-
-  Out << '\n';
-
-  // Now we can print out typedefs...
-  Out << "/* Typedefs */\n";
-  for (I = TST.begin(); I != End; ++I) {
-    const Type *Ty = cast<Type>(I->second);
-    std::string Name = "l_" + Mang->makeNameProper(I->first);
-    Out << "typedef ";
-    printType(Out, Ty, false, Name);
-    Out << ";\n";
-  }
-
-  Out << '\n';
-
-  // Keep track of which structures have been printed so far...
-  std::set<const StructType *> StructPrinted;
-
-  // Loop over all structures then push them into the stack so they are
-  // printed in the correct order.
-  //
-  Out << "/* Structure contents */\n";
-  for (I = TST.begin(); I != End; ++I)
-    if (const StructType *STy = dyn_cast<StructType>(I->second))
-      // Only print out used types!
-      printContainedStructs(STy, StructPrinted);
-}
-
-// Push the struct onto the stack and recursively push all structs
-// this one depends on.
-//
-// TODO:  Make this work properly with packed types
-//
-void CWriter::printContainedStructs(const Type *Ty,
-                                    std::set<const StructType*> &StructPrinted){
-  // Don't walk through pointers.
-  if (isa<PointerType>(Ty) || Ty->isPrimitiveType()) return;
-  
-  // Print all contained types first.
-  for (Type::subtype_iterator I = Ty->subtype_begin(),
-       E = Ty->subtype_end(); I != E; ++I)
-    printContainedStructs(*I, StructPrinted);
-  
-  if (const StructType *STy = dyn_cast<StructType>(Ty)) {
-    // Check to see if we have already printed this struct.
-    if (StructPrinted.insert(STy).second) {
-      // Print structure type out.
-      std::string Name = TypeNames[STy];
-      printType(Out, STy, false, Name, true);
-      Out << ";\n\n";
-    }
-  }
-}
-
-void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
-  /// isCStructReturn - Should this function actually return a struct by-value?
-  bool isCStructReturn = F->getCallingConv() == CallingConv::CSRet;
-  
-  if (F->hasInternalLinkage()) Out << "static ";
-  if (F->hasDLLImportLinkage()) Out << "__declspec(dllimport) ";
-  if (F->hasDLLExportLinkage()) Out << "__declspec(dllexport) ";  
-  switch (F->getCallingConv()) {
-   case CallingConv::X86_StdCall:
-    Out << "__stdcall ";
-    break;
-   case CallingConv::X86_FastCall:
-    Out << "__fastcall ";
-    break;
-  }
-  
-  // Loop over the arguments, printing them...
-  const FunctionType *FT = cast<FunctionType>(F->getFunctionType());
-
-  std::stringstream FunctionInnards;
-
-  // Print out the name...
-  FunctionInnards << Mang->getValueName(F) << '(';
-
-  bool PrintedArg = false;
-  if (!F->isExternal()) {
-    if (!F->arg_empty()) {
-      Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
-      
-      // If this is a struct-return function, don't print the hidden
-      // struct-return argument.
-      if (isCStructReturn) {
-        assert(I != E && "Invalid struct return function!");
-        ++I;
-      }
-      
-      std::string ArgName;
-      unsigned Idx = 1;
-      for (; I != E; ++I) {
-        if (PrintedArg) FunctionInnards << ", ";
-        if (I->hasName() || !Prototype)
-          ArgName = Mang->getValueName(I);
-        else
-          ArgName = "";
-        printType(FunctionInnards, I->getType(), 
-            /*isSigned=*/FT->paramHasAttr(Idx, FunctionType::SExtAttribute), 
-            ArgName);
-        PrintedArg = true;
-        ++Idx;
-      }
-    }
-  } else {
-    // Loop over the arguments, printing them.
-    FunctionType::param_iterator I = FT->param_begin(), E = FT->param_end();
-    
-    // If this is a struct-return function, don't print the hidden
-    // struct-return argument.
-    if (isCStructReturn) {
-      assert(I != E && "Invalid struct return function!");
-      ++I;
-    }
-    
-    unsigned Idx = 1;
-    for (; I != E; ++I) {
-      if (PrintedArg) FunctionInnards << ", ";
-      printType(FunctionInnards, *I,
-             /*isSigned=*/FT->paramHasAttr(Idx, FunctionType::SExtAttribute));
-      PrintedArg = true;
-      ++Idx;
-    }
-  }
-
-  // Finish printing arguments... if this is a vararg function, print the ...,
-  // unless there are no known types, in which case, we just emit ().
-  //
-  if (FT->isVarArg() && PrintedArg) {
-    if (PrintedArg) FunctionInnards << ", ";
-    FunctionInnards << "...";  // Output varargs portion of signature!
-  } else if (!FT->isVarArg() && !PrintedArg) {
-    FunctionInnards << "void"; // ret() -> ret(void) in C.
-  }
-  FunctionInnards << ')';
-  
-  // Get the return tpe for the function.
-  const Type *RetTy;
-  if (!isCStructReturn)
-    RetTy = F->getReturnType();
-  else {
-    // If this is a struct-return function, print the struct-return type.
-    RetTy = cast<PointerType>(FT->getParamType(0))->getElementType();
-  }
-    
-  // Print out the return type and the signature built above.
-  printType(Out, RetTy, 
-            /*isSigned=*/FT->paramHasAttr(0, FunctionType::SExtAttribute), 
-            FunctionInnards.str());
-}
-
-static inline bool isFPIntBitCast(const Instruction &I) {
-  if (!isa<BitCastInst>(I))
-    return false;
-  const Type *SrcTy = I.getOperand(0)->getType();
-  const Type *DstTy = I.getType();
-  return (SrcTy->isFloatingPoint() && DstTy->isInteger()) ||
-         (DstTy->isFloatingPoint() && SrcTy->isInteger());
-}
-
-void CWriter::printFunction(Function &F) {
-  printFunctionSignature(&F, false);
-  Out << " {\n";
-  
-  // If this is a struct return function, handle the result with magic.
-  if (F.getCallingConv() == CallingConv::CSRet) {
-    const Type *StructTy =
-      cast<PointerType>(F.arg_begin()->getType())->getElementType();
-    Out << "  ";
-    printType(Out, StructTy, false, "StructReturn");
-    Out << ";  /* Struct return temporary */\n";
-
-    Out << "  ";
-    printType(Out, F.arg_begin()->getType(), false, 
-              Mang->getValueName(F.arg_begin()));
-    Out << " = &StructReturn;\n";
-  }
-
-  bool PrintedVar = false;
-  
-  // print local variable information for the function
-  for (inst_iterator I = inst_begin(&F), E = inst_end(&F); I != E; ++I) {
-    if (const AllocaInst *AI = isDirectAlloca(&*I)) {
-      Out << "  ";
-      printType(Out, AI->getAllocatedType(), false, Mang->getValueName(AI));
-      Out << ";    /* Address-exposed local */\n";
-      PrintedVar = true;
-    } else if (I->getType() != Type::VoidTy && !isInlinableInst(*I)) {
-      Out << "  ";
-      printType(Out, I->getType(), false, Mang->getValueName(&*I));
-      Out << ";\n";
-
-      if (isa<PHINode>(*I)) {  // Print out PHI node temporaries as well...
-        Out << "  ";
-        printType(Out, I->getType(), false,
-                  Mang->getValueName(&*I)+"__PHI_TEMPORARY");
-        Out << ";\n";
-      }
-      PrintedVar = true;
-    }
-    // We need a temporary for the BitCast to use so it can pluck a value out
-    // of a union to do the BitCast. This is separate from the need for a
-    // variable to hold the result of the BitCast. 
-    if (isFPIntBitCast(*I)) {
-      Out << "  llvmBitCastUnion " << Mang->getValueName(&*I)
-          << "__BITCAST_TEMPORARY;\n";
-      PrintedVar = true;
-    }
-  }
-
-  if (PrintedVar)
-    Out << '\n';
-
-  if (F.hasExternalLinkage() && F.getName() == "main")
-    Out << "  CODE_FOR_MAIN();\n";
-
-  // print the basic blocks
-  for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) {
-    if (Loop *L = LI->getLoopFor(BB)) {
-      if (L->getHeader() == BB && L->getParentLoop() == 0)
-        printLoop(L);
-    } else {
-      printBasicBlock(BB);
-    }
-  }
-
-  Out << "}\n\n";
-}
-
-void CWriter::printLoop(Loop *L) {
-  Out << "  do {     /* Syntactic loop '" << L->getHeader()->getName()
-      << "' to make GCC happy */\n";
-  for (unsigned i = 0, e = L->getBlocks().size(); i != e; ++i) {
-    BasicBlock *BB = L->getBlocks()[i];
-    Loop *BBLoop = LI->getLoopFor(BB);
-    if (BBLoop == L)
-      printBasicBlock(BB);
-    else if (BB == BBLoop->getHeader() && BBLoop->getParentLoop() == L)
-      printLoop(BBLoop);
-  }
-  Out << "  } while (1); /* end of syntactic loop '"
-      << L->getHeader()->getName() << "' */\n";
-}
-
-void CWriter::printBasicBlock(BasicBlock *BB) {
-
-  // Don't print the label for the basic block if there are no uses, or if
-  // the only terminator use is the predecessor basic block's terminator.
-  // We have to scan the use list because PHI nodes use basic blocks too but
-  // do not require a label to be generated.
-  //
-  bool NeedsLabel = false;
-  for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI)
-    if (isGotoCodeNecessary(*PI, BB)) {
-      NeedsLabel = true;
-      break;
-    }
-
-  if (NeedsLabel) Out << Mang->getValueName(BB) << ":\n";
-
-  // Output all of the instructions in the basic block...
-  for (BasicBlock::iterator II = BB->begin(), E = --BB->end(); II != E;
-       ++II) {
-    if (!isInlinableInst(*II) && !isDirectAlloca(II)) {
-      if (II->getType() != Type::VoidTy && !isInlineAsm(*II))
-        outputLValue(II);
-      else
-        Out << "  ";
-      visit(*II);
-      Out << ";\n";
-    }
-  }
-
-  // Don't emit prefix or suffix for the terminator...
-  visit(*BB->getTerminator());
-}
-
-
-// Specific Instruction type classes... note that all of the casts are
-// necessary because we use the instruction classes as opaque types...
-//
-void CWriter::visitReturnInst(ReturnInst &I) {
-  // If this is a struct return function, return the temporary struct.
-  if (I.getParent()->getParent()->getCallingConv() == CallingConv::CSRet) {
-    Out << "  return StructReturn;\n";
-    return;
-  }
-  
-  // Don't output a void return if this is the last basic block in the function
-  if (I.getNumOperands() == 0 &&
-      &*--I.getParent()->getParent()->end() == I.getParent() &&
-      !I.getParent()->size() == 1) {
-    return;
-  }
-
-  Out << "  return";
-  if (I.getNumOperands()) {
-    Out << ' ';
-    writeOperand(I.getOperand(0));
-  }
-  Out << ";\n";
-}
-
-void CWriter::visitSwitchInst(SwitchInst &SI) {
-
-  Out << "  switch (";
-  writeOperand(SI.getOperand(0));
-  Out << ") {\n  default:\n";
-  printPHICopiesForSuccessor (SI.getParent(), SI.getDefaultDest(), 2);
-  printBranchToBlock(SI.getParent(), SI.getDefaultDest(), 2);
-  Out << ";\n";
-  for (unsigned i = 2, e = SI.getNumOperands(); i != e; i += 2) {
-    Out << "  case ";
-    writeOperand(SI.getOperand(i));
-    Out << ":\n";
-    BasicBlock *Succ = cast<BasicBlock>(SI.getOperand(i+1));
-    printPHICopiesForSuccessor (SI.getParent(), Succ, 2);
-    printBranchToBlock(SI.getParent(), Succ, 2);
-    if (Function::iterator(Succ) == next(Function::iterator(SI.getParent())))
-      Out << "    break;\n";
-  }
-  Out << "  }\n";
-}
-
-void CWriter::visitUnreachableInst(UnreachableInst &I) {
-  Out << "  /*UNREACHABLE*/;\n";
-}
-
-bool CWriter::isGotoCodeNecessary(BasicBlock *From, BasicBlock *To) {
-  /// FIXME: This should be reenabled, but loop reordering safe!!
-  return true;
-
-  if (next(Function::iterator(From)) != Function::iterator(To))
-    return true;  // Not the direct successor, we need a goto.
-
-  //isa<SwitchInst>(From->getTerminator())
-
-  if (LI->getLoopFor(From) != LI->getLoopFor(To))
-    return true;
-  return false;
-}
-
-void CWriter::printPHICopiesForSuccessor (BasicBlock *CurBlock,
-                                          BasicBlock *Successor,
-                                          unsigned Indent) {
-  for (BasicBlock::iterator I = Successor->begin(); isa<PHINode>(I); ++I) {
-    PHINode *PN = cast<PHINode>(I);
-    // Now we have to do the printing.
-    Value *IV = PN->getIncomingValueForBlock(CurBlock);
-    if (!isa<UndefValue>(IV)) {
-      Out << std::string(Indent, ' ');
-      Out << "  " << Mang->getValueName(I) << "__PHI_TEMPORARY = ";
-      writeOperand(IV);
-      Out << ";   /* for PHI node */\n";
-    }
-  }
-}
-
-void CWriter::printBranchToBlock(BasicBlock *CurBB, BasicBlock *Succ,
-                                 unsigned Indent) {
-  if (isGotoCodeNecessary(CurBB, Succ)) {
-    Out << std::string(Indent, ' ') << "  goto ";
-    writeOperand(Succ);
-    Out << ";\n";
-  }
-}
-
-// Branch instruction printing - Avoid printing out a branch to a basic block
-// that immediately succeeds the current one.
-//
-void CWriter::visitBranchInst(BranchInst &I) {
-
-  if (I.isConditional()) {
-    if (isGotoCodeNecessary(I.getParent(), I.getSuccessor(0))) {
-      Out << "  if (";
-      writeOperand(I.getCondition());
-      Out << ") {\n";
-
-      printPHICopiesForSuccessor (I.getParent(), I.getSuccessor(0), 2);
-      printBranchToBlock(I.getParent(), I.getSuccessor(0), 2);
-
-      if (isGotoCodeNecessary(I.getParent(), I.getSuccessor(1))) {
-        Out << "  } else {\n";
-        printPHICopiesForSuccessor (I.getParent(), I.getSuccessor(1), 2);
-        printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
-      }
-    } else {
-      // First goto not necessary, assume second one is...
-      Out << "  if (!";
-      writeOperand(I.getCondition());
-      Out << ") {\n";
-
-      printPHICopiesForSuccessor (I.getParent(), I.getSuccessor(1), 2);
-      printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
-    }
-
-    Out << "  }\n";
-  } else {
-    printPHICopiesForSuccessor (I.getParent(), I.getSuccessor(0), 0);
-    printBranchToBlock(I.getParent(), I.getSuccessor(0), 0);
-  }
-  Out << "\n";
-}
-
-// PHI nodes get copied into temporary values at the end of predecessor basic
-// blocks.  We now need to copy these temporary values into the REAL value for
-// the PHI.
-void CWriter::visitPHINode(PHINode &I) {
-  writeOperand(&I);
-  Out << "__PHI_TEMPORARY";
-}
-
-
-void CWriter::visitBinaryOperator(Instruction &I) {
-  // binary instructions, shift instructions, setCond instructions.
-  assert(!isa<PointerType>(I.getType()));
-
-  // We must cast the results of binary operations which might be promoted.
-  bool needsCast = false;
-  if ((I.getType() == Type::Int8Ty) || (I.getType() == Type::Int16Ty) 
-      || (I.getType() == Type::FloatTy)) {
-    needsCast = true;
-    Out << "((";
-    printType(Out, I.getType(), false);
-    Out << ")(";
-  }
-
-  // If this is a negation operation, print it out as such.  For FP, we don't
-  // want to print "-0.0 - X".
-  if (BinaryOperator::isNeg(&I)) {
-    Out << "-(";
-    writeOperand(BinaryOperator::getNegArgument(cast<BinaryOperator>(&I)));
-    Out << ")";
-  } else if (I.getOpcode() == Instruction::FRem) {
-    // Output a call to fmod/fmodf instead of emitting a%b
-    if (I.getType() == Type::FloatTy)
-      Out << "fmodf(";
-    else
-      Out << "fmod(";
-    writeOperand(I.getOperand(0));
-    Out << ", ";
-    writeOperand(I.getOperand(1));
-    Out << ")";
-  } else {
-
-    // Write out the cast of the instruction's value back to the proper type
-    // if necessary.
-    bool NeedsClosingParens = writeInstructionCast(I);
-
-    // Certain instructions require the operand to be forced to a specific type
-    // so we use writeOperandWithCast here instead of writeOperand. Similarly
-    // below for operand 1
-    writeOperandWithCast(I.getOperand(0), I.getOpcode());
-
-    switch (I.getOpcode()) {
-    case Instruction::Add: Out << " + "; break;
-    case Instruction::Sub: Out << " - "; break;
-    case Instruction::Mul: Out << '*'; break;
-    case Instruction::URem:
-    case Instruction::SRem:
-    case Instruction::FRem: Out << '%'; break;
-    case Instruction::UDiv:
-    case Instruction::SDiv: 
-    case Instruction::FDiv: Out << '/'; break;
-    case Instruction::And: Out << " & "; break;
-    case Instruction::Or: Out << " | "; break;
-    case Instruction::Xor: Out << " ^ "; break;
-    case Instruction::Shl : Out << " << "; break;
-    case Instruction::LShr:
-    case Instruction::AShr: Out << " >> "; break;
-    default: cerr << "Invalid operator type!" << I; abort();
-    }
-
-    writeOperandWithCast(I.getOperand(1), I.getOpcode());
-    if (NeedsClosingParens)
-      Out << "))";
-  }
-
-  if (needsCast) {
-    Out << "))";
-  }
-}
-
-void CWriter::visitICmpInst(ICmpInst &I) {
-  // We must cast the results of icmp which might be promoted.
-  bool needsCast = false;
-
-  // Write out the cast of the instruction's value back to the proper type
-  // if necessary.
-  bool NeedsClosingParens = writeInstructionCast(I);
-
-  // Certain icmp predicate require the operand to be forced to a specific type
-  // so we use writeOperandWithCast here instead of writeOperand. Similarly
-  // below for operand 1
-  writeOperandWithCast(I.getOperand(0), I.getPredicate());
-
-  switch (I.getPredicate()) {
-  case ICmpInst::ICMP_EQ:  Out << " == "; break;
-  case ICmpInst::ICMP_NE:  Out << " != "; break;
-  case ICmpInst::ICMP_ULE:
-  case ICmpInst::ICMP_SLE: Out << " <= "; break;
-  case ICmpInst::ICMP_UGE:
-  case ICmpInst::ICMP_SGE: Out << " >= "; break;
-  case ICmpInst::ICMP_ULT:
-  case ICmpInst::ICMP_SLT: Out << " < "; break;
-  case ICmpInst::ICMP_UGT:
-  case ICmpInst::ICMP_SGT: Out << " > "; break;
-  default: cerr << "Invalid icmp predicate!" << I; abort();
-  }
-
-  writeOperandWithCast(I.getOperand(1), I.getPredicate());
-  if (NeedsClosingParens)
-    Out << "))";
-
-  if (needsCast) {
-    Out << "))";
-  }
-}
-
-void CWriter::visitFCmpInst(FCmpInst &I) {
-  if (I.getPredicate() == FCmpInst::FCMP_FALSE) {
-    Out << "0";
-    return;
-  }
-  if (I.getPredicate() == FCmpInst::FCMP_TRUE) {
-    Out << "1";
-    return;
-  }
-
-  const char* op = 0;
-  switch (I.getPredicate()) {
-  default: assert(0 && "Illegal FCmp predicate");
-  case FCmpInst::FCMP_ORD: op = "ord"; break;
-  case FCmpInst::FCMP_UNO: op = "uno"; break;
-  case FCmpInst::FCMP_UEQ: op = "ueq"; break;
-  case FCmpInst::FCMP_UNE: op = "une"; break;
-  case FCmpInst::FCMP_ULT: op = "ult"; break;
-  case FCmpInst::FCMP_ULE: op = "ule"; break;
-  case FCmpInst::FCMP_UGT: op = "ugt"; break;
-  case FCmpInst::FCMP_UGE: op = "uge"; break;
-  case FCmpInst::FCMP_OEQ: op = "oeq"; break;
-  case FCmpInst::FCMP_ONE: op = "one"; break;
-  case FCmpInst::FCMP_OLT: op = "olt"; break;
-  case FCmpInst::FCMP_OLE: op = "ole"; break;
-  case FCmpInst::FCMP_OGT: op = "ogt"; break;
-  case FCmpInst::FCMP_OGE: op = "oge"; break;
-  }
-
-  Out << "llvm_fcmp_" << op << "(";
-  // Write the first operand
-  writeOperand(I.getOperand(0));
-  Out << ", ";
-  // Write the second operand
-  writeOperand(I.getOperand(1));
-  Out << ")";
-}
-
-static const char * getFloatBitCastField(const Type *Ty) {
-  switch (Ty->getTypeID()) {
-    default: assert(0 && "Invalid Type");
-    case Type::FloatTyID:  return "Float";
-    case Type::Int32TyID:  return "Int32";
-    case Type::DoubleTyID: return "Double";
-    case Type::Int64TyID:  return "Int64";
-  }
-}
-
-void CWriter::visitCastInst(CastInst &I) {
-  const Type *DstTy = I.getType();
-  const Type *SrcTy = I.getOperand(0)->getType();
-  Out << '(';
-  if (isFPIntBitCast(I)) {
-    // These int<->float and long<->double casts need to be handled specially
-    Out << Mang->getValueName(&I) << "__BITCAST_TEMPORARY." 
-        << getFloatBitCastField(I.getOperand(0)->getType()) << " = ";
-    writeOperand(I.getOperand(0));
-    Out << ", " << Mang->getValueName(&I) << "__BITCAST_TEMPORARY."
-        << getFloatBitCastField(I.getType());
-  } else {
-    printCast(I.getOpcode(), SrcTy, DstTy);
-    if (I.getOpcode() == Instruction::SExt && SrcTy == Type::BoolTy) {
-      // Make sure we really get a sext from bool by subtracing the bool from 0
-      Out << "0-";
-    }
-    writeOperand(I.getOperand(0));
-    if (DstTy == Type::BoolTy && 
-        (I.getOpcode() == Instruction::Trunc ||
-         I.getOpcode() == Instruction::FPToUI ||
-         I.getOpcode() == Instruction::FPToSI ||
-         I.getOpcode() == Instruction::PtrToInt)) {
-      // Make sure we really get a trunc to bool by anding the operand with 1 
-      Out << "&1u";
-    }
-  }
-  Out << ')';
-}
-
-void CWriter::visitSelectInst(SelectInst &I) {
-  Out << "((";
-  writeOperand(I.getCondition());
-  Out << ") ? (";
-  writeOperand(I.getTrueValue());
-  Out << ") : (";
-  writeOperand(I.getFalseValue());
-  Out << "))";
-}
-
-
-void CWriter::lowerIntrinsics(Function &F) {
-  for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
-    for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; )
-      if (CallInst *CI = dyn_cast<CallInst>(I++))
-        if (Function *F = CI->getCalledFunction())
-          switch (F->getIntrinsicID()) {
-          case Intrinsic::not_intrinsic:
-          case Intrinsic::vastart:
-          case Intrinsic::vacopy:
-          case Intrinsic::vaend:
-          case Intrinsic::returnaddress:
-          case Intrinsic::frameaddress:
-          case Intrinsic::setjmp:
-          case Intrinsic::longjmp:
-          case Intrinsic::prefetch:
-          case Intrinsic::dbg_stoppoint:
-          case Intrinsic::powi_f32:
-          case Intrinsic::powi_f64:
-            // We directly implement these intrinsics
-            break;
-          default:
-            // If this is an intrinsic that directly corresponds to a GCC
-            // builtin, we handle it.
-            const char *BuiltinName = "";
-#define GET_GCC_BUILTIN_NAME
-#include "llvm/Intrinsics.gen"
-#undef GET_GCC_BUILTIN_NAME
-            // If we handle it, don't lower it.
-            if (BuiltinName[0]) break;
-            
-            // All other intrinsic calls we must lower.
-            Instruction *Before = 0;
-            if (CI != &BB->front())
-              Before = prior(BasicBlock::iterator(CI));
-
-            IL.LowerIntrinsicCall(CI);
-            if (Before) {        // Move iterator to instruction after call
-              I = Before; ++I;
-            } else {
-              I = BB->begin();
-            }
-            break;
-          }
-}
-
-
-
-void CWriter::visitCallInst(CallInst &I) {
-  //check if we have inline asm
-  if (isInlineAsm(I)) {
-    visitInlineAsm(I);
-    return;
-  }
-
-  bool WroteCallee = false;
-
-  // Handle intrinsic function calls first...
-  if (Function *F = I.getCalledFunction())
-    if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID()) {
-      switch (ID) {
-      default: {
-        // If this is an intrinsic that directly corresponds to a GCC
-        // builtin, we emit it here.
-        const char *BuiltinName = "";
-#define GET_GCC_BUILTIN_NAME
-#include "llvm/Intrinsics.gen"
-#undef GET_GCC_BUILTIN_NAME
-        assert(BuiltinName[0] && "Unknown LLVM intrinsic!");
-
-        Out << BuiltinName;
-        WroteCallee = true;
-        break;
-      }
-      case Intrinsic::vastart:
-        Out << "0; ";
-
-        Out << "va_start(*(va_list*)";
-        writeOperand(I.getOperand(1));
-        Out << ", ";
-        // Output the last argument to the enclosing function...
-        if (I.getParent()->getParent()->arg_empty()) {
-          cerr << "The C backend does not currently support zero "
-               << "argument varargs functions, such as '"
-               << I.getParent()->getParent()->getName() << "'!\n";
-          abort();
-        }
-        writeOperand(--I.getParent()->getParent()->arg_end());
-        Out << ')';
-        return;
-      case Intrinsic::vaend:
-        if (!isa<ConstantPointerNull>(I.getOperand(1))) {
-          Out << "0; va_end(*(va_list*)";
-          writeOperand(I.getOperand(1));
-          Out << ')';
-        } else {
-          Out << "va_end(*(va_list*)0)";
-        }
-        return;
-      case Intrinsic::vacopy:
-        Out << "0; ";
-        Out << "va_copy(*(va_list*)";
-        writeOperand(I.getOperand(1));
-        Out << ", *(va_list*)";
-        writeOperand(I.getOperand(2));
-        Out << ')';
-        return;
-      case Intrinsic::returnaddress:
-        Out << "__builtin_return_address(";
-        writeOperand(I.getOperand(1));
-        Out << ')';
-        return;
-      case Intrinsic::frameaddress:
-        Out << "__builtin_frame_address(";
-        writeOperand(I.getOperand(1));
-        Out << ')';
-        return;
-      case Intrinsic::powi_f32:
-      case Intrinsic::powi_f64:
-        Out << "__builtin_powi(";
-        writeOperand(I.getOperand(1));
-        Out << ", ";
-        writeOperand(I.getOperand(2));
-        Out << ')';
-        return;
-      case Intrinsic::setjmp:
-        Out << "setjmp(*(jmp_buf*)";
-        writeOperand(I.getOperand(1));
-        Out << ')';
-        return;
-      case Intrinsic::longjmp:
-        Out << "longjmp(*(jmp_buf*)";
-        writeOperand(I.getOperand(1));
-        Out << ", ";
-        writeOperand(I.getOperand(2));
-        Out << ')';
-        return;
-      case Intrinsic::prefetch:
-        Out << "LLVM_PREFETCH((const void *)";
-        writeOperand(I.getOperand(1));
-        Out << ", ";
-        writeOperand(I.getOperand(2));
-        Out << ", ";
-        writeOperand(I.getOperand(3));
-        Out << ")";
-        return;
-      case Intrinsic::dbg_stoppoint: {
-        // If we use writeOperand directly we get a "u" suffix which is rejected
-        // by gcc.
-        DbgStopPointInst &SPI = cast<DbgStopPointInst>(I);
-
-        Out << "\n#line "
-            << SPI.getLine()
-            << " \"" << SPI.getDirectory()
-            << SPI.getFileName() << "\"\n";
-        return;
-      }
-      }
-    }
-
-  Value *Callee = I.getCalledValue();
-
-  // If this is a call to a struct-return function, assign to the first
-  // parameter instead of passing it to the call.
-  bool isStructRet = I.getCallingConv() == CallingConv::CSRet;
-  if (isStructRet) {
-    Out << "*(";
-    writeOperand(I.getOperand(1));
-    Out << ") = ";
-  }
-  
-  if (I.isTailCall()) Out << " /*tail*/ ";
-
-  const PointerType  *PTy   = cast<PointerType>(Callee->getType());
-  const FunctionType *FTy   = cast<FunctionType>(PTy->getElementType());
-  
-  if (!WroteCallee) {
-    // If this is an indirect call to a struct return function, we need to cast
-    // the pointer.
-    bool NeedsCast = isStructRet && !isa<Function>(Callee);
-
-    // GCC is a real PITA.  It does not permit codegening casts of functions to
-    // function pointers if they are in a call (it generates a trap instruction
-    // instead!).  We work around this by inserting a cast to void* in between
-    // the function and the function pointer cast.  Unfortunately, we can't just
-    // form the constant expression here, because the folder will immediately
-    // nuke it.
-    //
-    // Note finally, that this is completely unsafe.  ANSI C does not guarantee
-    // that void* and function pointers have the same size. :( To deal with this
-    // in the common case, we handle casts where the number of arguments passed
-    // match exactly.
-    //
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Callee))
-      if (CE->isCast())
-        if (Function *RF = dyn_cast<Function>(CE->getOperand(0))) {
-          NeedsCast = true;
-          Callee = RF;
-        }
-  
-    if (NeedsCast) {
-      // Ok, just cast the pointer type.
-      Out << "((";
-      if (!isStructRet)
-        printType(Out, I.getCalledValue()->getType());
-      else
-        printStructReturnPointerFunctionType(Out, 
-                             cast<PointerType>(I.getCalledValue()->getType()));
-      Out << ")(void*)";
-    }
-    writeOperand(Callee);
-    if (NeedsCast) Out << ')';
-  }
-
-  Out << '(';
-
-  unsigned NumDeclaredParams = FTy->getNumParams();
-
-  CallSite::arg_iterator AI = I.op_begin()+1, AE = I.op_end();
-  unsigned ArgNo = 0;
-  if (isStructRet) {   // Skip struct return argument.
-    ++AI;
-    ++ArgNo;
-  }
-      
-  bool PrintedArg = false;
-  unsigned Idx = 1;
-  for (; AI != AE; ++AI, ++ArgNo, ++Idx) {
-    if (PrintedArg) Out << ", ";
-    if (ArgNo < NumDeclaredParams &&
-        (*AI)->getType() != FTy->getParamType(ArgNo)) {
-      Out << '(';
-      printType(Out, FTy->getParamType(ArgNo), 
-            /*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute));
-      Out << ')';
-    }
-    writeOperand(*AI);
-    PrintedArg = true;
-  }
-  Out << ')';
-}
-
-
-//This converts the llvm constraint string to something gcc is expecting.
-//TODO: work out platform independent constraints and factor those out
-//      of the per target tables
-//      handle multiple constraint codes
-std::string CWriter::InterpretASMConstraint(InlineAsm::ConstraintInfo& c) {
-
-  assert(c.Codes.size() == 1 && "Too many asm constraint codes to handle");
-
-  const char** table = 0;
-  
-  //Grab the translation table from TargetAsmInfo if it exists
-  if (!TAsm) {
-    std::string E;
-    const TargetMachineRegistry::Entry* Match = 
-      TargetMachineRegistry::getClosestStaticTargetForModule(*TheModule, E);
-    if (Match) {
-      //Per platform Target Machines don't exist, so create it
-      // this must be done only once
-      const TargetMachine* TM = Match->CtorFn(*TheModule, "");
-      TAsm = TM->getTargetAsmInfo();
-    }
-  }
-  if (TAsm)
-    table = TAsm->getAsmCBE();
-
-  //Search the translation table if it exists
-  for (int i = 0; table && table[i]; i += 2)
-    if (c.Codes[0] == table[i])
-      return table[i+1];
-
-  //default is identity
-  return c.Codes[0];
-}
-
-//TODO: import logic from AsmPrinter.cpp
-static std::string gccifyAsm(std::string asmstr) {
-  for (std::string::size_type i = 0; i != asmstr.size(); ++i)
-    if (asmstr[i] == '\n')
-      asmstr.replace(i, 1, "\\n");
-    else if (asmstr[i] == '\t')
-      asmstr.replace(i, 1, "\\t");
-    else if (asmstr[i] == '$') {
-      if (asmstr[i + 1] == '{') {
-        std::string::size_type a = asmstr.find_first_of(':', i + 1);
-        std::string::size_type b = asmstr.find_first_of('}', i + 1);
-        std::string n = "%" + 
-          asmstr.substr(a + 1, b - a - 1) +
-          asmstr.substr(i + 2, a - i - 2);
-        asmstr.replace(i, b - i + 1, n);
-        i += n.size() - 1;
-      } else
-        asmstr.replace(i, 1, "%");
-    }
-    else if (asmstr[i] == '%')//grr
-      { asmstr.replace(i, 1, "%%"); ++i;}
-  
-  return asmstr;
-}
-
-//TODO: assumptions about what consume arguments from the call are likely wrong
-//      handle communitivity
-void CWriter::visitInlineAsm(CallInst &CI) {
-  InlineAsm* as = cast<InlineAsm>(CI.getOperand(0));
-  std::vector<InlineAsm::ConstraintInfo> Constraints = as->ParseConstraints();
-  std::vector<std::pair<std::string, Value*> > Input;
-  std::vector<std::pair<std::string, Value*> > Output;
-  std::string Clobber;
-  int count = CI.getType() == Type::VoidTy ? 1 : 0;
-  for (std::vector<InlineAsm::ConstraintInfo>::iterator I = Constraints.begin(),
-         E = Constraints.end(); I != E; ++I) {
-    assert(I->Codes.size() == 1 && "Too many asm constraint codes to handle");
-    std::string c = 
-      InterpretASMConstraint(*I);
-    switch(I->Type) {
-    default:
-      assert(0 && "Unknown asm constraint");
-      break;
-    case InlineAsm::isInput: {
-      if (c.size()) {
-        Input.push_back(std::make_pair(c, count ? CI.getOperand(count) : &CI));
-        ++count; //consume arg
-      }
-      break;
-    }
-    case InlineAsm::isOutput: {
-      if (c.size()) {
-        Output.push_back(std::make_pair("="+((I->isEarlyClobber ? "&" : "")+c),
-                                        count ? CI.getOperand(count) : &CI));
-        ++count; //consume arg
-      }
-      break;
-    }
-    case InlineAsm::isClobber: {
-      if (c.size()) 
-        Clobber += ",\"" + c + "\"";
-      break;
-    }
-    }
-  }
-  
-  //fix up the asm string for gcc
-  std::string asmstr = gccifyAsm(as->getAsmString());
-  
-  Out << "__asm__ volatile (\"" << asmstr << "\"\n";
-  Out << "        :";
-  for (std::vector<std::pair<std::string, Value*> >::iterator I = Output.begin(),
-         E = Output.end(); I != E; ++I) {
-    Out << "\"" << I->first << "\"(";
-    writeOperandRaw(I->second);
-    Out << ")";
-    if (I + 1 != E)
-      Out << ",";
-  }
-  Out << "\n        :";
-  for (std::vector<std::pair<std::string, Value*> >::iterator I = Input.begin(),
-         E = Input.end(); I != E; ++I) {
-    Out << "\"" << I->first << "\"(";
-    writeOperandRaw(I->second);
-    Out << ")";
-    if (I + 1 != E)
-      Out << ",";
-  }
-  if (Clobber.size())
-    Out << "\n        :" << Clobber.substr(1);
-  Out << ")";
-}
-
-void CWriter::visitMallocInst(MallocInst &I) {
-  assert(0 && "lowerallocations pass didn't work!");
-}
-
-void CWriter::visitAllocaInst(AllocaInst &I) {
-  Out << '(';
-  printType(Out, I.getType());
-  Out << ") alloca(sizeof(";
-  printType(Out, I.getType()->getElementType());
-  Out << ')';
-  if (I.isArrayAllocation()) {
-    Out << " * " ;
-    writeOperand(I.getOperand(0));
-  }
-  Out << ')';
-}
-
-void CWriter::visitFreeInst(FreeInst &I) {
-  assert(0 && "lowerallocations pass didn't work!");
-}
-
-void CWriter::printIndexingExpression(Value *Ptr, gep_type_iterator I,
-                                      gep_type_iterator E) {
-  bool HasImplicitAddress = false;
-  // If accessing a global value with no indexing, avoid *(&GV) syndrome
-  if (isa<GlobalValue>(Ptr)) {
-    HasImplicitAddress = true;
-  } else if (isDirectAlloca(Ptr)) {
-    HasImplicitAddress = true;
-  }
-
-  if (I == E) {
-    if (!HasImplicitAddress)
-      Out << '*';  // Implicit zero first argument: '*x' is equivalent to 'x[0]'
-
-    writeOperandInternal(Ptr);
-    return;
-  }
-
-  const Constant *CI = dyn_cast<Constant>(I.getOperand());
-  if (HasImplicitAddress && (!CI || !CI->isNullValue()))
-    Out << "(&";
-
-  writeOperandInternal(Ptr);
-
-  if (HasImplicitAddress && (!CI || !CI->isNullValue())) {
-    Out << ')';
-    HasImplicitAddress = false;  // HIA is only true if we haven't addressed yet
-  }
-
-  assert(!HasImplicitAddress || (CI && CI->isNullValue()) &&
-         "Can only have implicit address with direct accessing");
-
-  if (HasImplicitAddress) {
-    ++I;
-  } else if (CI && CI->isNullValue()) {
-    gep_type_iterator TmpI = I; ++TmpI;
-
-    // Print out the -> operator if possible...
-    if (TmpI != E && isa<StructType>(*TmpI)) {
-      Out << (HasImplicitAddress ? "." : "->");
-      Out << "field" << cast<ConstantInt>(TmpI.getOperand())->getZExtValue();
-      I = ++TmpI;
-    }
-  }
-
-  for (; I != E; ++I)
-    if (isa<StructType>(*I)) {
-      Out << ".field" << cast<ConstantInt>(I.getOperand())->getZExtValue();
-    } else {
-      Out << '[';
-      writeOperand(I.getOperand());
-      Out << ']';
-    }
-}
-
-void CWriter::visitLoadInst(LoadInst &I) {
-  Out << '*';
-  if (I.isVolatile()) {
-    Out << "((";
-    printType(Out, I.getType(), false, "volatile*");
-    Out << ")";
-  }
-
-  writeOperand(I.getOperand(0));
-
-  if (I.isVolatile())
-    Out << ')';
-}
-
-void CWriter::visitStoreInst(StoreInst &I) {
-  Out << '*';
-  if (I.isVolatile()) {
-    Out << "((";
-    printType(Out, I.getOperand(0)->getType(), false, " volatile*");
-    Out << ")";
-  }
-  writeOperand(I.getPointerOperand());
-  if (I.isVolatile()) Out << ')';
-  Out << " = ";
-  writeOperand(I.getOperand(0));
-}
-
-void CWriter::visitGetElementPtrInst(GetElementPtrInst &I) {
-  Out << '&';
-  printIndexingExpression(I.getPointerOperand(), gep_type_begin(I),
-                          gep_type_end(I));
-}
-
-void CWriter::visitVAArgInst(VAArgInst &I) {
-  Out << "va_arg(*(va_list*)";
-  writeOperand(I.getOperand(0));
-  Out << ", ";
-  printType(Out, I.getType());
-  Out << ");\n ";
-}
-
-//===----------------------------------------------------------------------===//
-//                       External Interface declaration
-//===----------------------------------------------------------------------===//
-
-bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
-                                              std::ostream &o,
-                                              CodeGenFileType FileType,
-                                              bool Fast) {
-  if (FileType != TargetMachine::AssemblyFile) return true;
-
-  PM.add(createLowerGCPass());
-  PM.add(createLowerAllocationsPass(true));
-  PM.add(createLowerInvokePass());
-  PM.add(createCFGSimplificationPass());   // clean up after lower invoke.
-  PM.add(new CBackendNameAllUsedStructsAndMergeFunctions());
-  PM.add(new CWriter(o));
-  return false;
-}