From d16c80e27f934e91e1821c94e510c9fb3876c6ae Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 28 Aug 2010 16:33:36 +0000
Subject: [PATCH] remove the MSIL backend.  It isn't maintained, is buggy, has
 no testcases and hasn't kept up with ToT.  Approved by Anton.

llvm-svn: 112375
---
 autoconf/configure.ac                         |    5 +-
 configure                                     |    5 +-
 docs/ReleaseNotes.html                        |    9 +-
 lib/Target/MSIL/CMakeLists.txt                |    3 -
 lib/Target/MSIL/MSILWriter.cpp                | 1706 -----------------
 lib/Target/MSIL/MSILWriter.h                  |  258 ---
 lib/Target/MSIL/Makefile                      |   16 -
 lib/Target/MSIL/README.TXT                    |   26 -
 lib/Target/MSIL/TargetInfo/CMakeLists.txt     |    6 -
 lib/Target/MSIL/TargetInfo/MSILTargetInfo.cpp |   26 -
 lib/Target/MSIL/TargetInfo/Makefile           |   15 -
 11 files changed, 9 insertions(+), 2066 deletions(-)
 delete mode 100644 lib/Target/MSIL/CMakeLists.txt
 delete mode 100644 lib/Target/MSIL/MSILWriter.cpp
 delete mode 100644 lib/Target/MSIL/MSILWriter.h
 delete mode 100644 lib/Target/MSIL/Makefile
 delete mode 100644 lib/Target/MSIL/README.TXT
 delete mode 100644 lib/Target/MSIL/TargetInfo/CMakeLists.txt
 delete mode 100644 lib/Target/MSIL/TargetInfo/MSILTargetInfo.cpp
 delete mode 100644 lib/Target/MSIL/TargetInfo/Makefile

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 02713862341..5a8a5f99fb1 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -543,13 +543,13 @@ TARGETS_TO_BUILD=""
 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
     [Build specific host targets: all or target1,target2,... Valid targets are:
      host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
-     xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
+     xcore, msp430, systemz, blackfin, cbe, and cpp (default=all)]),,
     enableval=all)
 if test "$enableval" = host-only ; then
   enableval=host
 fi
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend MBlaze" ;;
+  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze" ;;
   *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
       case "$a_target" in
         x86)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
@@ -566,7 +566,6 @@ case "$enableval" in
         systemz)  TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
         blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
         cbe)      TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
-        msil)     TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
         cpp)      TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
         mblaze)   TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
         host) case "$llvm_cv_target_arch" in
diff --git a/configure b/configure
index 272895b9cc8..948e7ccd936 100755
--- a/configure
+++ b/configure
@@ -1414,7 +1414,7 @@ Optional Features:
   --enable-targets        Build specific host targets: all or
                           target1,target2,... Valid targets are: host, x86,
                           x86_64, sparc, powerpc, alpha, arm, mips, spu,
-                          pic16, xcore, msp430, systemz, blackfin, cbe, msil,
+                          pic16, xcore, msp430, systemz, blackfin, cbe, 
                           and cpp (default=all)
   --enable-cbe-printf-a   Enable C Backend output with hex floating point via
                           %a (default is YES)
@@ -4955,7 +4955,7 @@ if test "$enableval" = host-only ; then
   enableval=host
 fi
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend MBlaze" ;;
+  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze" ;;
   *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
       case "$a_target" in
         x86)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
@@ -4972,7 +4972,6 @@ case "$enableval" in
         systemz)  TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
         blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
         cbe)      TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
-        msil)     TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
         cpp)      TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
         mblaze)   TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
         host) case "$llvm_cv_target_arch" in
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 3595735033f..f9f492c2639 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -68,7 +68,6 @@ Almost dead code.
   lib/Transforms/IPO/MergeFunctions.cpp => consider for 2.8.
   llvm/Analysis/PointerTracking.h => Edwin wants this, consider for 2.8.
   GEPSplitterPass
-  MSIL backend?
 -->
  
    
@@ -77,6 +76,7 @@ Almost dead code.
   strong phi elim
   llvm.dbg.value: variable debug info for optimized code
   loop dependence analysis
+  TBAA
  -->
 
  <!-- for announcement email:
@@ -489,8 +489,9 @@ on LLVM 2.7, this section lists some "gotchas" that you may run into upgrading
 from the previous release.</p>
 
 <ul>
-
-<li>.</li>
+<li>MSIL Backend removed.</li>
+<li>ABCD and SSI passes removed.</li>
+<li>'Union' LLVM IR feature removed.</li>
 </ul>
 
 <p>In addition, many APIs have changed in this release.  Some of the major LLVM
@@ -575,7 +576,7 @@ components, please contact us on the <a
 href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVMdev list</a>.</p>
 
 <ul>
-<li>The MSIL, Alpha, SPU, MIPS, PIC16, Blackfin, MSP430, SystemZ and MicroBlaze
+<li>The Alpha, SPU, MIPS, PIC16, Blackfin, MSP430, SystemZ and MicroBlaze
     backends are experimental.</li>
 <li><tt>llc</tt> "<tt>-filetype=asm</tt>" (the default) is the only
     supported value for this option.  XXX Update me</li>
diff --git a/lib/Target/MSIL/CMakeLists.txt b/lib/Target/MSIL/CMakeLists.txt
deleted file mode 100644
index b1d47ef05ec..00000000000
--- a/lib/Target/MSIL/CMakeLists.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-add_llvm_target(MSIL
-  MSILWriter.cpp
-  )
diff --git a/lib/Target/MSIL/MSILWriter.cpp b/lib/Target/MSIL/MSILWriter.cpp
deleted file mode 100644
index cc350e8a4f8..00000000000
--- a/lib/Target/MSIL/MSILWriter.cpp
+++ /dev/null
@@ -1,1706 +0,0 @@
-//===-- MSILWriter.cpp - Library for converting LLVM code to MSIL ---------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This library converts LLVM code to MSIL code.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MSILWriter.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Intrinsics.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/TypeSymbolTable.h"
-#include "llvm/Analysis/ConstantsScanner.h"
-#include "llvm/Support/CallSite.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/InstVisitor.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/CodeGen/Passes.h"
-using namespace llvm;
-
-namespace llvm {
-  // TargetMachine for the MSIL 
-  struct MSILTarget : public TargetMachine {
-    MSILTarget(const Target &T, const std::string &TT, const std::string &FS)
-      : TargetMachine(T) {}
-
-    virtual bool addPassesToEmitFile(PassManagerBase &PM,
-                                     formatted_raw_ostream &Out,
-                                     CodeGenFileType FileType,
-                                     CodeGenOpt::Level OptLevel,
-                                     bool DisableVerify);
-
-    virtual const TargetData *getTargetData() const { return 0; }
-  };
-}
-
-extern "C" void LLVMInitializeMSILTarget() {
-  // Register the target.
-  RegisterTargetMachine<MSILTarget> X(TheMSILTarget);
-}
-
-bool MSILModule::runOnModule(Module &M) {
-  ModulePtr = &M;
-  TD = &getAnalysis<TargetData>();
-  bool Changed = false;
-  // Find named types.  
-  TypeSymbolTable& Table = M.getTypeSymbolTable();
-  std::set<const Type *> Types = getAnalysis<FindUsedTypes>().getTypes();
-  for (TypeSymbolTable::iterator I = Table.begin(), E = Table.end(); I!=E; ) {
-    if (!I->second->isStructTy() && !I->second->isOpaqueTy())
-      Table.remove(I++);
-    else {
-      std::set<const Type *>::iterator T = Types.find(I->second);
-      if (T==Types.end())
-        Table.remove(I++);
-      else {
-        Types.erase(T);
-        ++I;
-      }
-    }
-  }
-  // Find unnamed types.
-  unsigned RenameCounter = 0;
-  for (std::set<const Type *>::const_iterator I = Types.begin(),
-       E = Types.end(); I!=E; ++I)
-    if (const StructType *STy = dyn_cast<StructType>(*I)) {
-      while (ModulePtr->addTypeName("unnamed$"+utostr(RenameCounter), STy))
-        ++RenameCounter;
-      Changed = true;
-    }
-  // Pointer for FunctionPass.
-  UsedTypes = &getAnalysis<FindUsedTypes>().getTypes();
-  return Changed;
-}
-
-char MSILModule::ID = 0;
-char MSILWriter::ID = 0;
-
-bool MSILWriter::runOnFunction(Function &F) {
-  if (F.isDeclaration()) return false;
-
-  // Do not codegen any 'available_externally' functions at all, they have
-  // definitions outside the translation unit.
-  if (F.hasAvailableExternallyLinkage())
-    return false;
-
-  LInfo = &getAnalysis<LoopInfo>();
-  printFunction(F);
-  return false;
-}
-
-
-bool MSILWriter::doInitialization(Module &M) {
-  ModulePtr = &M;
-  Out << ".assembly extern mscorlib {}\n";
-  Out << ".assembly MSIL {}\n\n";
-  Out << "// External\n";
-  printExternals();
-  Out << "// Declarations\n";
-  printDeclarations(M.getTypeSymbolTable());
-  Out << "// Definitions\n";
-  printGlobalVariables();
-  Out << "// Startup code\n";
-  printModuleStartup();
-  return false;
-}
-
-
-bool MSILWriter::doFinalization(Module &M) {
-  return false;
-}
-
-
-void MSILWriter::printModuleStartup() {
-  Out <<
-  ".method static public int32 $MSIL_Startup() {\n"
-  "\t.entrypoint\n"
-  "\t.locals (native int i)\n"
-  "\t.locals (native int argc)\n"
-  "\t.locals (native int ptr)\n"
-  "\t.locals (void* argv)\n"
-  "\t.locals (string[] args)\n"
-  "\tcall\tstring[] [mscorlib]System.Environment::GetCommandLineArgs()\n"
-  "\tdup\n"
-  "\tstloc\targs\n"
-  "\tldlen\n"
-  "\tconv.i4\n"
-  "\tdup\n"
-  "\tstloc\targc\n";
-  printPtrLoad(TD->getPointerSize());
-  Out <<
-  "\tmul\n"
-  "\tlocalloc\n"
-  "\tstloc\targv\n"
-  "\tldc.i4.0\n"
-  "\tstloc\ti\n"
-  "L_01:\n"
-  "\tldloc\ti\n"
-  "\tldloc\targc\n"
-  "\tceq\n"
-  "\tbrtrue\tL_02\n"
-  "\tldloc\targs\n"
-  "\tldloc\ti\n"
-  "\tldelem.ref\n"
-  "\tcall\tnative int [mscorlib]System.Runtime.InteropServices.Marshal::"
-           "StringToHGlobalAnsi(string)\n"
-  "\tstloc\tptr\n"
-  "\tldloc\targv\n"
-  "\tldloc\ti\n";
-  printPtrLoad(TD->getPointerSize());
-  Out << 
-  "\tmul\n"
-  "\tadd\n"
-  "\tldloc\tptr\n"
-  "\tstind.i\n"
-  "\tldloc\ti\n"
-  "\tldc.i4.1\n"
-  "\tadd\n"
-  "\tstloc\ti\n"
-  "\tbr\tL_01\n"
-  "L_02:\n"
-  "\tcall void $MSIL_Init()\n";
-
-  // Call user 'main' function.
-  const Function* F = ModulePtr->getFunction("main");
-  if (!F || F->isDeclaration()) {
-    Out << "\tldc.i4.0\n\tret\n}\n";
-    return;
-  }
-  bool BadSig = true;
-  std::string Args("");
-  Function::const_arg_iterator Arg1,Arg2;
-
-  switch (F->arg_size()) {
-  case 0:
-    BadSig = false;
-    break;
-  case 1:
-    Arg1 = F->arg_begin();
-    if (Arg1->getType()->isIntegerTy()) {
-      Out << "\tldloc\targc\n";
-      Args = getTypeName(Arg1->getType());
-      BadSig = false;
-    }
-    break;
-  case 2:
-    Arg1 = Arg2 = F->arg_begin(); ++Arg2;
-    if (Arg1->getType()->isIntegerTy() && 
-        Arg2->getType()->getTypeID() == Type::PointerTyID) {
-      Out << "\tldloc\targc\n\tldloc\targv\n";
-      Args = getTypeName(Arg1->getType())+","+getTypeName(Arg2->getType());
-      BadSig = false;
-    }
-    break;
-  default:
-    BadSig = true;
-  }
-
-  bool RetVoid = (F->getReturnType()->getTypeID() == Type::VoidTyID);
-  if (BadSig || (!F->getReturnType()->isIntegerTy() && !RetVoid)) {
-    Out << "\tldc.i4.0\n";
-  } else {
-    Out << "\tcall\t" << getTypeName(F->getReturnType()) <<
-      getConvModopt(F->getCallingConv()) << "main(" << Args << ")\n";
-    if (RetVoid)
-      Out << "\tldc.i4.0\n";
-    else
-      Out << "\tconv.i4\n";
-  }
-  Out << "\tret\n}\n";
-}
-
-bool MSILWriter::isZeroValue(const Value* V) {
-  if (const Constant *C = dyn_cast<Constant>(V))
-    return C->isNullValue();
-  return false;
-}
-
-
-std::string MSILWriter::getValueName(const Value* V) {
-  std::string Name;
-  if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
-    Name = GV->getName();
-  else {
-    unsigned &No = AnonValueNumbers[V];
-    if (No == 0) No = ++NextAnonValueNumber;
-    Name = "tmp" + utostr(No);
-  }
-  
-  // Name into the quotes allow control and space characters.
-  return "'"+Name+"'";
-}
-
-
-std::string MSILWriter::getLabelName(const std::string& Name) {
-  if (Name.find('.')!=std::string::npos) {
-    std::string Tmp(Name);
-    // Replace unaccepable characters in the label name.
-    for (std::string::iterator I = Tmp.begin(), E = Tmp.end(); I!=E; ++I)
-      if (*I=='.') *I = '@';
-    return Tmp;
-  }
-  return Name;
-}
-
-
-std::string MSILWriter::getLabelName(const Value* V) {
-  std::string Name;
-  if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
-    Name = GV->getName();
-  else {
-    unsigned &No = AnonValueNumbers[V];
-    if (No == 0) No = ++NextAnonValueNumber;
-    Name = "tmp" + utostr(No);
-  }
-  
-  return getLabelName(Name);
-}
-
-
-std::string MSILWriter::getConvModopt(CallingConv::ID CallingConvID) {
-  switch (CallingConvID) {
-  case CallingConv::C:
-  case CallingConv::Cold:
-  case CallingConv::Fast:
-    return "modopt([mscorlib]System.Runtime.CompilerServices.CallConvCdecl) ";
-  case CallingConv::X86_FastCall:
-    return "modopt([mscorlib]System.Runtime.CompilerServices.CallConvFastcall) ";
-  case CallingConv::X86_StdCall:
-    return "modopt([mscorlib]System.Runtime.CompilerServices.CallConvStdcall) ";
-  case CallingConv::X86_ThisCall:
-    return "modopt([mscorlib]System.Runtime.CompilerServices.CallConvThiscall) ";
-  default:
-    errs() << "CallingConvID = " << CallingConvID << '\n';
-    llvm_unreachable("Unsupported calling convention");
-  }
-  return ""; // Not reached
-}
-
-
-std::string MSILWriter::getArrayTypeName(Type::TypeID TyID, const Type* Ty) {
-  std::string Tmp = "";
-  const Type* ElemTy = Ty;
-  assert(Ty->getTypeID()==TyID && "Invalid type passed");
-  // Walk trought array element types.
-  for (;;) {
-    // Multidimensional array.
-    if (ElemTy->getTypeID()==TyID) {
-      if (const ArrayType* ATy = dyn_cast<ArrayType>(ElemTy))
-        Tmp += utostr(ATy->getNumElements());
-      else if (const VectorType* VTy = dyn_cast<VectorType>(ElemTy))
-        Tmp += utostr(VTy->getNumElements());
-      ElemTy = cast<SequentialType>(ElemTy)->getElementType();
-    }
-    // Base element type found.
-    if (ElemTy->getTypeID()!=TyID) break;
-    Tmp += ",";
-  }
-  return getTypeName(ElemTy, false, true)+"["+Tmp+"]";
-}
-
-
-std::string MSILWriter::getPrimitiveTypeName(const Type* Ty, bool isSigned) {
-  unsigned NumBits = 0;
-  switch (Ty->getTypeID()) {
-  case Type::VoidTyID:
-    return "void ";
-  case Type::IntegerTyID:
-    NumBits = getBitWidth(Ty);
-    if(NumBits==1)
-      return "bool ";
-    if (!isSigned)
-      return "unsigned int"+utostr(NumBits)+" ";
-    return "int"+utostr(NumBits)+" ";
-  case Type::FloatTyID:
-    return "float32 ";
-  case Type::DoubleTyID:
-    return "float64 "; 
-  default:
-    errs() << "Type = " << *Ty << '\n';
-    llvm_unreachable("Invalid primitive type");
-  }
-  return ""; // Not reached
-}
-
-
-std::string MSILWriter::getTypeName(const Type* Ty, bool isSigned,
-                                    bool isNested) {
-  if (Ty->isPrimitiveType() || Ty->isIntegerTy())
-    return getPrimitiveTypeName(Ty,isSigned);
-  // FIXME: "OpaqueType" support
-  switch (Ty->getTypeID()) {
-  case Type::PointerTyID:
-    return "void* ";
-  case Type::StructTyID:
-    if (isNested)
-      return ModulePtr->getTypeName(Ty);
-    return "valuetype '"+ModulePtr->getTypeName(Ty)+"' ";
-  case Type::ArrayTyID:
-    if (isNested)
-      return getArrayTypeName(Ty->getTypeID(),Ty);
-    return "valuetype '"+getArrayTypeName(Ty->getTypeID(),Ty)+"' ";
-  case Type::VectorTyID:
-    if (isNested)
-      return getArrayTypeName(Ty->getTypeID(),Ty);
-    return "valuetype '"+getArrayTypeName(Ty->getTypeID(),Ty)+"' ";
-  default:
-    errs() << "Type = " << *Ty << '\n';
-    llvm_unreachable("Invalid type in getTypeName()");
-  }
-  return ""; // Not reached
-}
-
-
-MSILWriter::ValueType MSILWriter::getValueLocation(const Value* V) {
-  // Function argument
-  if (isa<Argument>(V))
-    return ArgumentVT;
-  // Function
-  else if (const Function* F = dyn_cast<Function>(V))
-    return F->hasLocalLinkage() ? InternalVT : GlobalVT;
-  // Variable
-  else if (const GlobalVariable* G = dyn_cast<GlobalVariable>(V))
-    return G->hasLocalLinkage() ? InternalVT : GlobalVT;
-  // Constant
-  else if (isa<Constant>(V))
-    return isa<ConstantExpr>(V) ? ConstExprVT : ConstVT;
-  // Local variable
-  return LocalVT;
-}
-
-
-std::string MSILWriter::getTypePostfix(const Type* Ty, bool Expand,
-                                       bool isSigned) {
-  unsigned NumBits = 0;
-  switch (Ty->getTypeID()) {
-  // Integer constant, expanding for stack operations.
-  case Type::IntegerTyID:
-    NumBits = getBitWidth(Ty);
-    // Expand integer value to "int32" or "int64".
-    if (Expand) return (NumBits<=32 ? "i4" : "i8");
-    if (NumBits==1) return "i1";
-    return (isSigned ? "i" : "u")+utostr(NumBits/8);
-  // Float constant.
-  case Type::FloatTyID:
-    return "r4";
-  case Type::DoubleTyID:
-    return "r8";
-  case Type::PointerTyID:
-    return "i"+utostr(TD->getTypeAllocSize(Ty));
-  default:
-    errs() << "TypeID = " << Ty->getTypeID() << '\n';
-    llvm_unreachable("Invalid type in TypeToPostfix()");
-  }
-  return ""; // Not reached
-}
-
-
-void MSILWriter::printConvToPtr() {
-  switch (ModulePtr->getPointerSize()) {
-  case Module::Pointer32:
-    printSimpleInstruction("conv.u4");
-    break;
-  case Module::Pointer64:
-    printSimpleInstruction("conv.u8");
-    break;
-  default:
-    llvm_unreachable("Module use not supporting pointer size");
-  }
-}
-
-
-void MSILWriter::printPtrLoad(uint64_t N) {
-  switch (ModulePtr->getPointerSize()) {
-  case Module::Pointer32:
-    printSimpleInstruction("ldc.i4",utostr(N).c_str());
-    // FIXME: Need overflow test?
-    if (!isUInt<32>(N)) {
-      errs() << "Value = " << utostr(N) << '\n';
-      llvm_unreachable("32-bit pointer overflowed");
-    }
-    break;
-  case Module::Pointer64:
-    printSimpleInstruction("ldc.i8",utostr(N).c_str());
-    break;
-  default:
-    llvm_unreachable("Module use not supporting pointer size");
-  }
-}
-
-
-void MSILWriter::printValuePtrLoad(const Value* V) {
-  printValueLoad(V);
-  printConvToPtr();
-}
-
-
-void MSILWriter::printConstLoad(const Constant* C) {
-  if (const ConstantInt* CInt = dyn_cast<ConstantInt>(C)) {
-    // Integer constant
-    Out << "\tldc." << getTypePostfix(C->getType(),true) << '\t';
-    if (CInt->isMinValue(true))
-      Out << CInt->getSExtValue();
-    else
-      Out << CInt->getZExtValue();
-  } else if (const ConstantFP* FP = dyn_cast<ConstantFP>(C)) {
-    // Float constant
-    uint64_t X;
-    unsigned Size;
-    if (FP->getType()->getTypeID()==Type::FloatTyID) {
-      X = (uint32_t)FP->getValueAPF().bitcastToAPInt().getZExtValue();
-      Size = 4;  
-    } else {
-      X = FP->getValueAPF().bitcastToAPInt().getZExtValue();
-      Size = 8;  
-    }
-    Out << "\tldc.r" << Size << "\t( " << utohexstr(X) << ')';
-  } else if (isa<UndefValue>(C)) {
-    // Undefined constant value = NULL.
-    printPtrLoad(0);
-  } else {
-    errs() << "Constant = " << *C << '\n';
-    llvm_unreachable("Invalid constant value");
-  }
-  Out << '\n';
-}
-
-
-void MSILWriter::printValueLoad(const Value* V) {
-  MSILWriter::ValueType Location = getValueLocation(V);
-  switch (Location) {
-  // Global variable or function address.
-  case GlobalVT:
-  case InternalVT:
-    if (const Function* F = dyn_cast<Function>(V)) {
-      std::string Name = getConvModopt(F->getCallingConv())+getValueName(F);
-      printSimpleInstruction("ldftn",
-        getCallSignature(F->getFunctionType(),NULL,Name).c_str());
-    } else {
-      std::string Tmp;
-      const Type* ElemTy = cast<PointerType>(V->getType())->getElementType();
-      if (Location==GlobalVT && cast<GlobalVariable>(V)->hasDLLImportLinkage()) {
-        Tmp = "void* "+getValueName(V);
-        printSimpleInstruction("ldsfld",Tmp.c_str());
-      } else {
-        Tmp = getTypeName(ElemTy)+getValueName(V);
-        printSimpleInstruction("ldsflda",Tmp.c_str());
-      }
-    }
-    break;
-  // Function argument.
-  case ArgumentVT:
-    printSimpleInstruction("ldarg",getValueName(V).c_str());
-    break;
-  // Local function variable.
-  case LocalVT:
-    printSimpleInstruction("ldloc",getValueName(V).c_str());
-    break;
-  // Constant value.
-  case ConstVT:
-    if (isa<ConstantPointerNull>(V))
-      printPtrLoad(0);
-    else
-      printConstLoad(cast<Constant>(V));
-    break;
-  // Constant expression.
-  case ConstExprVT:
-    printConstantExpr(cast<ConstantExpr>(V));
-    break;
-  default:
-    errs() << "Value = " << *V << '\n';
-    llvm_unreachable("Invalid value location");
-  }
-}
-
-
-void MSILWriter::printValueSave(const Value* V) {
-  switch (getValueLocation(V)) {
-  case ArgumentVT:
-    printSimpleInstruction("starg",getValueName(V).c_str());
-    break;
-  case LocalVT:
-    printSimpleInstruction("stloc",getValueName(V).c_str());
-    break;
-  default:
-    errs() << "Value  = " << *V << '\n';
-    llvm_unreachable("Invalid value location");
-  }
-}
-
-
-void MSILWriter::printBinaryInstruction(const char* Name, const Value* Left,
-                                        const Value* Right) {
-  printValueLoad(Left);
-  printValueLoad(Right);
-  Out << '\t' << Name << '\n';
-}
-
-
-void MSILWriter::printSimpleInstruction(const char* Inst, const char* Operand) {
-  if(Operand) 
-    Out << '\t' << Inst << '\t' << Operand << '\n';
-  else
-    Out << '\t' << Inst << '\n';
-}
-
-
-void MSILWriter::printPHICopy(const BasicBlock* Src, const BasicBlock* Dst) {
-  for (BasicBlock::const_iterator I = Dst->begin(); isa<PHINode>(I); ++I) {
-    const PHINode* Phi = cast<PHINode>(I);
-    const Value* Val = Phi->getIncomingValueForBlock(Src);
-    if (isa<UndefValue>(Val)) continue;
-    printValueLoad(Val);
-    printValueSave(Phi);
-  }
-}
-
-
-void MSILWriter::printBranchToBlock(const BasicBlock* CurrBB,
-                                    const BasicBlock* TrueBB,
-                                    const BasicBlock* FalseBB) {
-  if (TrueBB==FalseBB) {
-    // "TrueBB" and "FalseBB" destination equals
-    printPHICopy(CurrBB,TrueBB);
-    printSimpleInstruction("pop");
-    printSimpleInstruction("br",getLabelName(TrueBB).c_str());
-  } else if (FalseBB==NULL) {
-    // If "FalseBB" not used the jump have condition
-    printPHICopy(CurrBB,TrueBB);
-    printSimpleInstruction("brtrue",getLabelName(TrueBB).c_str());
-  } else if (TrueBB==NULL) {
-    // If "TrueBB" not used the jump is unconditional
-    printPHICopy(CurrBB,FalseBB);
-    printSimpleInstruction("br",getLabelName(FalseBB).c_str());
-  } else {
-    // Copy PHI instructions for each block
-    std::string TmpLabel;
-    // Print PHI instructions for "TrueBB"
-    if (isa<PHINode>(TrueBB->begin())) {
-      TmpLabel = getLabelName(TrueBB)+"$phi_"+utostr(getUniqID());
-      printSimpleInstruction("brtrue",TmpLabel.c_str());
-    } else {
-      printSimpleInstruction("brtrue",getLabelName(TrueBB).c_str());
-    }
-    // Print PHI instructions for "FalseBB"
-    if (isa<PHINode>(FalseBB->begin())) {
-      printPHICopy(CurrBB,FalseBB);
-      printSimpleInstruction("br",getLabelName(FalseBB).c_str());
-    } else {
-      printSimpleInstruction("br",getLabelName(FalseBB).c_str());
-    }
-    if (isa<PHINode>(TrueBB->begin())) {
-      // Handle "TrueBB" PHI Copy
-      Out << TmpLabel << ":\n";
-      printPHICopy(CurrBB,TrueBB);
-      printSimpleInstruction("br",getLabelName(TrueBB).c_str());
-    }
-  }
-}
-
-
-void MSILWriter::printBranchInstruction(const BranchInst* Inst) {
-  if (Inst->isUnconditional()) {
-    printBranchToBlock(Inst->getParent(),NULL,Inst->getSuccessor(0));
-  } else {
-    printValueLoad(Inst->getCondition());
-    printBranchToBlock(Inst->getParent(),Inst->getSuccessor(0),
-                       Inst->getSuccessor(1));
-  }
-}
-
-
-void MSILWriter::printSelectInstruction(const Value* Cond, const Value* VTrue,
-                                        const Value* VFalse) {
-  std::string TmpLabel = std::string("select$true_")+utostr(getUniqID());
-  printValueLoad(VTrue);
-  printValueLoad(Cond);
-  printSimpleInstruction("brtrue",TmpLabel.c_str());
-  printSimpleInstruction("pop");
-  printValueLoad(VFalse);
-  Out << TmpLabel << ":\n";
-}
-
-
-void MSILWriter::printIndirectLoad(const Value* V) {
-  const Type* Ty = V->getType();
-  printValueLoad(V);
-  if (const PointerType* P = dyn_cast<PointerType>(Ty))
-    Ty = P->getElementType();
-  std::string Tmp = "ldind."+getTypePostfix(Ty, false);
-  printSimpleInstruction(Tmp.c_str());
-}
-
-
-void MSILWriter::printIndirectSave(const Value* Ptr, const Value* Val) {
-  printValueLoad(Ptr);
-  printValueLoad(Val);
-  printIndirectSave(Val->getType());
-}
-
-
-void MSILWriter::printIndirectSave(const Type* Ty) {
-  // Instruction need signed postfix for any type.
-  std::string postfix = getTypePostfix(Ty, false);
-  if (*postfix.begin()=='u') *postfix.begin() = 'i';
-  postfix = "stind."+postfix;
-  printSimpleInstruction(postfix.c_str());
-}
-
-
-void MSILWriter::printCastInstruction(unsigned int Op, const Value* V,
-                                      const Type* Ty, const Type* SrcTy) {
-  std::string Tmp("");
-  printValueLoad(V);
-  switch (Op) {
-  // Signed
-  case Instruction::SExt:
-    // If sign extending int, convert first from unsigned to signed
-    // with the same bit size - because otherwise we will loose the sign.
-    if (SrcTy) {
-      Tmp = "conv."+getTypePostfix(SrcTy,false,true);
-      printSimpleInstruction(Tmp.c_str());
-    }
-    // FALLTHROUGH
-  case Instruction::SIToFP:
-  case Instruction::FPToSI:
-    Tmp = "conv."+getTypePostfix(Ty,false,true);
-    printSimpleInstruction(Tmp.c_str());
-    break;
-  // Unsigned
-  case Instruction::FPTrunc:
-  case Instruction::FPExt:
-  case Instruction::UIToFP:
-  case Instruction::Trunc:
-  case Instruction::ZExt:
-  case Instruction::FPToUI:
-  case Instruction::PtrToInt:
-  case Instruction::IntToPtr:
-    Tmp = "conv."+getTypePostfix(Ty,false);
-    printSimpleInstruction(Tmp.c_str());
-    break;
-  // Do nothing
-  case Instruction::BitCast:
-    // FIXME: meaning that ld*/st* instruction do not change data format.
-    break;
-  default:
-    errs() << "Opcode = " << Op << '\n';
-    llvm_unreachable("Invalid conversion instruction");
-  }
-}
-
-
-void MSILWriter::printGepInstruction(const Value* V, gep_type_iterator I,
-                                     gep_type_iterator E) {
-  unsigned Size;
-  // Load address
-  printValuePtrLoad(V);
-  // Calculate element offset.
-  for (; I!=E; ++I){
-    Size = 0;
-    const Value* IndexValue = I.getOperand();
-    if (const StructType* StrucTy = dyn_cast<StructType>(*I)) {
-      uint64_t FieldIndex = cast<ConstantInt>(IndexValue)->getZExtValue();
-      // Offset is the sum of all previous structure fields.
-      for (uint64_t F = 0; F<FieldIndex; ++F)
-        Size += TD->getTypeAllocSize(StrucTy->getContainedType((unsigned)F));
-      printPtrLoad(Size);
-      printSimpleInstruction("add");
-      continue;
-    } else if (const SequentialType* SeqTy = dyn_cast<SequentialType>(*I)) {
-      Size = TD->getTypeAllocSize(SeqTy->getElementType());
-    } else {
-      Size = TD->getTypeAllocSize(*I);
-    }
-    // Add offset of current element to stack top.
-    if (!isZeroValue(IndexValue)) {
-      // Constant optimization.
-      if (const ConstantInt* C = dyn_cast<ConstantInt>(IndexValue)) {
-        if (C->getValue().isNegative()) {
-          printPtrLoad(C->getValue().abs().getZExtValue()*Size);
-          printSimpleInstruction("sub");
-          continue;
-        } else
-          printPtrLoad(C->getZExtValue()*Size);
-      } else {
-        printPtrLoad(Size);
-        printValuePtrLoad(IndexValue);
-        printSimpleInstruction("mul");
-      }
-      printSimpleInstruction("add");
-    }
-  }
-}
-
-
-std::string MSILWriter::getCallSignature(const FunctionType* Ty,
-                                         const Instruction* Inst,
-                                         std::string Name) {
-  std::string Tmp("");
-  if (Ty->isVarArg()) Tmp += "vararg ";
-  // Name and return type.
-  Tmp += getTypeName(Ty->getReturnType())+Name+"(";
-  // Function argument type list.
-  unsigned NumParams = Ty->getNumParams();
-  for (unsigned I = 0; I!=NumParams; ++I) {
-    if (I!=0) Tmp += ",";
-    Tmp += getTypeName(Ty->getParamType(I));
-  }
-  // CLR needs to know the exact amount of parameters received by vararg
-  // function, because caller cleans the stack.
-  if (Ty->isVarArg() && Inst) {
-    // Origin to function arguments in "CallInst" or "InvokeInst".
-    unsigned Org = isa<InvokeInst>(Inst) ? 3 : 1;
-    // Print variable argument types.
-    unsigned NumOperands = Inst->getNumOperands()-Org;
-    if (NumParams<NumOperands) {
-      if (NumParams!=0) Tmp += ", ";
-      Tmp += "... , ";
-      for (unsigned J = NumParams; J!=NumOperands; ++J) {
-        if (J!=NumParams) Tmp += ", ";
-        Tmp += getTypeName(Inst->getOperand(J+Org)->getType());
-      }
-    }
-  }
-  return Tmp+")";
-}
-
-
-void MSILWriter::printFunctionCall(const Value* FnVal,
-                                   const Instruction* Inst) {
-  // Get function calling convention.
-  std::string Name = "";
-  if (const CallInst* Call = dyn_cast<CallInst>(Inst))
-    Name = getConvModopt(Call->getCallingConv());
-  else if (const InvokeInst* Invoke = dyn_cast<InvokeInst>(Inst))
-    Name = getConvModopt(Invoke->getCallingConv());
-  else {
-    errs() << "Instruction = " << Inst->getName() << '\n';
-    llvm_unreachable("Need \"Invoke\" or \"Call\" instruction only");
-  }
-  if (const Function* F = dyn_cast<Function>(FnVal)) {
-    // Direct call.
-    Name += getValueName(F);
-    printSimpleInstruction("call",
-      getCallSignature(F->getFunctionType(),Inst,Name).c_str());
-  } else {
-    // Indirect function call.
-    const PointerType* PTy = cast<PointerType>(FnVal->getType());
-    const FunctionType* FTy = cast<FunctionType>(PTy->getElementType());
-    // Load function address.
-    printValueLoad(FnVal);
-    printSimpleInstruction("calli",getCallSignature(FTy,Inst,Name).c_str());
-  }
-}
-
-
-void MSILWriter::printIntrinsicCall(const IntrinsicInst* Inst) {
-  std::string Name;
-  switch (Inst->getIntrinsicID()) {
-  case Intrinsic::vastart:
-    Name = getValueName(Inst->getArgOperand(0));
-    Name.insert(Name.length()-1,"$valist");
-    // Obtain the argument handle.
-    printSimpleInstruction("ldloca",Name.c_str());
-    printSimpleInstruction("arglist");
-    printSimpleInstruction("call",
-      "instance void [mscorlib]System.ArgIterator::.ctor"
-      "(valuetype [mscorlib]System.RuntimeArgumentHandle)");
-    // Save as pointer type "void*"
-    printValueLoad(Inst->getArgOperand(0));
-    printSimpleInstruction("ldloca",Name.c_str());
-    printIndirectSave(PointerType::getUnqual(
-          IntegerType::get(Inst->getContext(), 8)));
-    break;
-  case Intrinsic::vaend:
-    // Close argument list handle.
-    printIndirectLoad(Inst->getArgOperand(0));
-    printSimpleInstruction("call","instance void [mscorlib]System.ArgIterator::End()");
-    break;
-  case Intrinsic::vacopy:
-    // Copy "ArgIterator" valuetype.
-    printIndirectLoad(Inst->getArgOperand(0));
-    printIndirectLoad(Inst->getArgOperand(1));
-    printSimpleInstruction("cpobj","[mscorlib]System.ArgIterator");
-    break;        
-  default:
-    errs() << "Intrinsic ID = " << Inst->getIntrinsicID() << '\n';
-    llvm_unreachable("Invalid intrinsic function");
-  }
-}
-
-
-void MSILWriter::printCallInstruction(const Instruction* Inst) {
-  if (isa<IntrinsicInst>(Inst)) {
-    // Handle intrinsic function.
-    printIntrinsicCall(cast<IntrinsicInst>(Inst));
-  } else {
-    const CallInst *CI = cast<CallInst>(Inst);
-    // Load arguments to stack and call function.
-    for (int I = 0, E = CI->getNumArgOperands(); I!=E; ++I)
-      printValueLoad(CI->getArgOperand(I));
-    printFunctionCall(CI->getCalledFunction(), Inst);
-  }
-}
-
-
-void MSILWriter::printICmpInstruction(unsigned Predicate, const Value* Left,
-                                      const Value* Right) {
-  switch (Predicate) {
-  case ICmpInst::ICMP_EQ:
-    printBinaryInstruction("ceq",Left,Right);
-    break;
-  case ICmpInst::ICMP_NE:
-    // Emulate = not neg (Op1 eq Op2)
-    printBinaryInstruction("ceq",Left,Right);
-    printSimpleInstruction("neg");
-    printSimpleInstruction("not");
-    break;
-  case ICmpInst::ICMP_ULE:
-  case ICmpInst::ICMP_SLE:
-    // Emulate = (Op1 eq Op2) or (Op1 lt Op2)
-    printBinaryInstruction("ceq",Left,Right);
-    if (Predicate==ICmpInst::ICMP_ULE)
-      printBinaryInstruction("clt.un",Left,Right);
-    else
-      printBinaryInstruction("clt",Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case ICmpInst::ICMP_UGE:
-  case ICmpInst::ICMP_SGE:
-    // Emulate = (Op1 eq Op2) or (Op1 gt Op2)
-    printBinaryInstruction("ceq",Left,Right);
-    if (Predicate==ICmpInst::ICMP_UGE)
-      printBinaryInstruction("cgt.un",Left,Right);
-    else
-      printBinaryInstruction("cgt",Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case ICmpInst::ICMP_ULT:
-    printBinaryInstruction("clt.un",Left,Right);
-    break;
-  case ICmpInst::ICMP_SLT:
-    printBinaryInstruction("clt",Left,Right);
-    break;
-  case ICmpInst::ICMP_UGT:
-    printBinaryInstruction("cgt.un",Left,Right);
-    break;
-  case ICmpInst::ICMP_SGT:
-    printBinaryInstruction("cgt",Left,Right);
-    break;
-  default:
-    errs() << "Predicate = " << Predicate << '\n';
-    llvm_unreachable("Invalid icmp predicate");
-  }
-}
-
-
-void MSILWriter::printFCmpInstruction(unsigned Predicate, const Value* Left,
-                                      const Value* Right) {
-  // FIXME: Correct comparison
-  std::string NanFunc = "bool [mscorlib]System.Double::IsNaN(float64)";
-  switch (Predicate) {
-  case FCmpInst::FCMP_UGT:
-    // X >  Y || llvm_fcmp_uno(X, Y)
-    printBinaryInstruction("cgt",Left,Right);
-    printFCmpInstruction(FCmpInst::FCMP_UNO,Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_OGT:
-    // X >  Y
-    printBinaryInstruction("cgt",Left,Right);
-    break;
-  case FCmpInst::FCMP_UGE:
-    // X >= Y || llvm_fcmp_uno(X, Y)
-    printBinaryInstruction("ceq",Left,Right);
-    printBinaryInstruction("cgt",Left,Right);
-    printSimpleInstruction("or");
-    printFCmpInstruction(FCmpInst::FCMP_UNO,Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_OGE:
-    // X >= Y
-    printBinaryInstruction("ceq",Left,Right);
-    printBinaryInstruction("cgt",Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_ULT:
-    // X <  Y || llvm_fcmp_uno(X, Y)
-    printBinaryInstruction("clt",Left,Right);
-    printFCmpInstruction(FCmpInst::FCMP_UNO,Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_OLT:
-    // X <  Y
-    printBinaryInstruction("clt",Left,Right);
-    break;
-  case FCmpInst::FCMP_ULE:
-    // X <= Y || llvm_fcmp_uno(X, Y)
-    printBinaryInstruction("ceq",Left,Right);
-    printBinaryInstruction("clt",Left,Right);
-    printSimpleInstruction("or");
-    printFCmpInstruction(FCmpInst::FCMP_UNO,Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_OLE:
-    // X <= Y
-    printBinaryInstruction("ceq",Left,Right);
-    printBinaryInstruction("clt",Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_UEQ:
-    // X == Y || llvm_fcmp_uno(X, Y)
-    printBinaryInstruction("ceq",Left,Right);
-    printFCmpInstruction(FCmpInst::FCMP_UNO,Left,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_OEQ:
-    // X == Y
-    printBinaryInstruction("ceq",Left,Right);
-    break;
-  case FCmpInst::FCMP_UNE:
-    // X != Y
-    printBinaryInstruction("ceq",Left,Right);
-    printSimpleInstruction("neg");
-    printSimpleInstruction("not");
-    break;
-  case FCmpInst::FCMP_ONE:
-    // X != Y && llvm_fcmp_ord(X, Y)
-    printBinaryInstruction("ceq",Left,Right);
-    printSimpleInstruction("not");
-    break;
-  case FCmpInst::FCMP_ORD:
-    // return X == X && Y == Y
-    printBinaryInstruction("ceq",Left,Left);
-    printBinaryInstruction("ceq",Right,Right);
-    printSimpleInstruction("or");
-    break;
-  case FCmpInst::FCMP_UNO:
-    // X != X || Y != Y
-    printBinaryInstruction("ceq",Left,Left);
-    printSimpleInstruction("not");
-    printBinaryInstruction("ceq",Right,Right);
-    printSimpleInstruction("not");
-    printSimpleInstruction("or");
-    break;
-  default:
-    llvm_unreachable("Illegal FCmp predicate");
-  }
-}
-
-
-void MSILWriter::printInvokeInstruction(const InvokeInst* Inst) {
-  std::string Label = "leave$normal_"+utostr(getUniqID());
-  Out << ".try {\n";
-  // Load arguments
-  for (int I = 0, E = Inst->getNumArgOperands(); I!=E; ++I)
-    printValueLoad(Inst->getArgOperand(I));
-  // Print call instruction
-  printFunctionCall(Inst->getOperand(0),Inst);
-  // Save function result and leave "try" block
-  printValueSave(Inst);
-  printSimpleInstruction("leave",Label.c_str());
-  Out << "}\n";
-  Out << "catch [mscorlib]System.Exception {\n";
-  // Redirect to unwind block
-  printSimpleInstruction("pop");
-  printBranchToBlock(Inst->getParent(),NULL,Inst->getUnwindDest());
-  Out << "}\n" << Label << ":\n";
-  // Redirect to continue block
-  printBranchToBlock(Inst->getParent(),NULL,Inst->getNormalDest());
-}
-
-
-void MSILWriter::printSwitchInstruction(const SwitchInst* Inst) {
-  // FIXME: Emulate with IL "switch" instruction
-  // Emulate = if () else if () else if () else ...
-  for (unsigned int I = 1, E = Inst->getNumCases(); I!=E; ++I) {
-    printValueLoad(Inst->getCondition());
-    printValueLoad(Inst->getCaseValue(I));
-    printSimpleInstruction("ceq");
-    // Condition jump to successor block
-    printBranchToBlock(Inst->getParent(),Inst->getSuccessor(I),NULL);
-  }
-  // Jump to default block
-  printBranchToBlock(Inst->getParent(),NULL,Inst->getDefaultDest());
-}
-
-
-void MSILWriter::printVAArgInstruction(const VAArgInst* Inst) {
-  printIndirectLoad(Inst->getOperand(0));
-  printSimpleInstruction("call",
-    "instance typedref [mscorlib]System.ArgIterator::GetNextArg()");
-  printSimpleInstruction("refanyval","void*");
-  std::string Name = 
-    "ldind."+getTypePostfix(PointerType::getUnqual(
-            IntegerType::get(Inst->getContext(), 8)),false);
-  printSimpleInstruction(Name.c_str());
-}
-
-
-void MSILWriter::printAllocaInstruction(const AllocaInst* Inst) {
-  uint64_t Size = TD->getTypeAllocSize(Inst->getAllocatedType());
-  // Constant optimization.
-  if (const ConstantInt* CInt = dyn_cast<ConstantInt>(Inst->getOperand(0))) {
-    printPtrLoad(CInt->getZExtValue()*Size);
-  } else {
-    printPtrLoad(Size);
-    printValueLoad(Inst->getOperand(0));
-    printSimpleInstruction("mul");
-  }
-  printSimpleInstruction("localloc");
-}
-
-
-void MSILWriter::printInstruction(const Instruction* Inst) {
-  const Value *Left = 0, *Right = 0;
-  if (Inst->getNumOperands()>=1) Left = Inst->getOperand(0);
-  if (Inst->getNumOperands()>=2) Right = Inst->getOperand(1);
-  // Print instruction
-  // FIXME: "ShuffleVector","ExtractElement","InsertElement" support.
-  switch (Inst->getOpcode()) {
-  // Terminator
-  case Instruction::Ret:
-    if (Inst->getNumOperands()) {
-      printValueLoad(Left);
-      printSimpleInstruction("ret");
-    } else
-      printSimpleInstruction("ret");
-    break;
-  case Instruction::Br:
-    printBranchInstruction(cast<BranchInst>(Inst));
-    break;
-  // Binary
-  case Instruction::Add:
-  case Instruction::FAdd:
-    printBinaryInstruction("add",Left,Right);
-    break;
-  case Instruction::Sub:
-  case Instruction::FSub:
-    printBinaryInstruction("sub",Left,Right);
-    break;
-  case Instruction::Mul:
-  case Instruction::FMul:
-    printBinaryInstruction("mul",Left,Right);
-    break;
-  case Instruction::UDiv:
-    printBinaryInstruction("div.un",Left,Right);
-    break;
-  case Instruction::SDiv:
-  case Instruction::FDiv:
-    printBinaryInstruction("div",Left,Right);
-    break;
-  case Instruction::URem:
-    printBinaryInstruction("rem.un",Left,Right);
-    break;
-  case Instruction::SRem:
-  case Instruction::FRem:
-    printBinaryInstruction("rem",Left,Right);
-    break;
-  // Binary Condition
-  case Instruction::ICmp:
-    printICmpInstruction(cast<ICmpInst>(Inst)->getPredicate(),Left,Right);
-    break;
-  case Instruction::FCmp:
-    printFCmpInstruction(cast<FCmpInst>(Inst)->getPredicate(),Left,Right);
-    break;
-  // Bitwise Binary
-  case Instruction::And:
-    printBinaryInstruction("and",Left,Right);
-    break;
-  case Instruction::Or:
-    printBinaryInstruction("or",Left,Right);
-    break;
-  case Instruction::Xor:
-    printBinaryInstruction("xor",Left,Right);
-    break;
-  case Instruction::Shl:
-    printValueLoad(Left);
-    printValueLoad(Right);
-    printSimpleInstruction("conv.i4");
-    printSimpleInstruction("shl");
-    break;
-  case Instruction::LShr:
-    printValueLoad(Left);
-    printValueLoad(Right);
-    printSimpleInstruction("conv.i4");
-    printSimpleInstruction("shr.un");
-    break;
-  case Instruction::AShr:
-    printValueLoad(Left);
-    printValueLoad(Right);
-    printSimpleInstruction("conv.i4");
-    printSimpleInstruction("shr");
-    break;
-  case Instruction::Select:
-    printSelectInstruction(Inst->getOperand(0),Inst->getOperand(1),Inst->getOperand(2));
-    break;
-  case Instruction::Load:
-    printIndirectLoad(Inst->getOperand(0));
-    break;
-  case Instruction::Store:
-    printIndirectSave(Inst->getOperand(1), Inst->getOperand(0));
-    break;
-  case Instruction::SExt:
-    printCastInstruction(Inst->getOpcode(),Left,
-                         cast<CastInst>(Inst)->getDestTy(),
-                         cast<CastInst>(Inst)->getSrcTy());
-    break;
-  case Instruction::Trunc:
-  case Instruction::ZExt:
-  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:
-    printCastInstruction(Inst->getOpcode(),Left,
-                         cast<CastInst>(Inst)->getDestTy());
-    break;
-  case Instruction::GetElementPtr:
-    printGepInstruction(Inst->getOperand(0),gep_type_begin(Inst),
-                        gep_type_end(Inst));
-    break;
-  case Instruction::Call:
-    printCallInstruction(cast<CallInst>(Inst));
-    break;
-  case Instruction::Invoke:
-    printInvokeInstruction(cast<InvokeInst>(Inst));
-    break;
-  case Instruction::Unwind:
-    printSimpleInstruction("newobj",
-      "instance void [mscorlib]System.Exception::.ctor()");
-    printSimpleInstruction("throw");
-    break;
-  case Instruction::Switch:
-    printSwitchInstruction(cast<SwitchInst>(Inst));
-    break;
-  case Instruction::Alloca:
-    printAllocaInstruction(cast<AllocaInst>(Inst));
-    break;
-  case Instruction::Unreachable:
-    printSimpleInstruction("ldstr", "\"Unreachable instruction\"");
-    printSimpleInstruction("newobj",
-      "instance void [mscorlib]System.Exception::.ctor(string)");
-    printSimpleInstruction("throw");
-    break;
-  case Instruction::VAArg:
-    printVAArgInstruction(cast<VAArgInst>(Inst));
-    break;
-  default:
-    errs() << "Instruction = " << Inst->getName() << '\n';
-    llvm_unreachable("Unsupported instruction");
-  }
-}
-
-
-void MSILWriter::printLoop(const Loop* L) {
-  Out << getLabelName(L->getHeader()->getName()) << ":\n";
-  const std::vector<BasicBlock*>& blocks = L->getBlocks();
-  for (unsigned I = 0, E = blocks.size(); I!=E; I++) {
-    BasicBlock* BB = blocks[I];
-    Loop* BBLoop = LInfo->getLoopFor(BB);
-    if (BBLoop == L)
-      printBasicBlock(BB);
-    else if (BB==BBLoop->getHeader() && BBLoop->getParentLoop()==L)
-      printLoop(BBLoop);
-  }
-  printSimpleInstruction("br",getLabelName(L->getHeader()->getName()).c_str());
-}
-
-
-void MSILWriter::printBasicBlock(const BasicBlock* BB) {
-  Out << getLabelName(BB) << ":\n";
-  for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E; ++I) {
-    const Instruction* Inst = I;
-    // Comment llvm original instruction
-    // Out << "\n//" << *Inst << "\n";
-    // Do not handle PHI instruction in current block
-    if (Inst->getOpcode()==Instruction::PHI) continue;
-    // Print instruction
-    printInstruction(Inst);
-    // Save result
-    if (Inst->getType()!=Type::getVoidTy(BB->getContext())) {
-      // Do not save value after invoke, it done in "try" block
-      if (Inst->getOpcode()==Instruction::Invoke) continue;
-      printValueSave(Inst);
-    }
-  }
-}
-
-
-void MSILWriter::printLocalVariables(const Function& F) {
-  std::string Name;
-  const Type* Ty = NULL;
-  std::set<const Value*> Printed;
-  const Value* VaList = NULL;
-  unsigned StackDepth = 8;
-  // Find local variables
-  for (const_inst_iterator I = inst_begin(&F), E = inst_end(&F); I!=E; ++I) {
-    if (I->getOpcode()==Instruction::Call ||
-        I->getOpcode()==Instruction::Invoke) {
-      // Test stack depth.
-      if (StackDepth<I->getNumOperands())
-        StackDepth = I->getNumOperands();
-    }
-    const AllocaInst* AI = dyn_cast<AllocaInst>(&*I);
-    if (AI && !isa<GlobalVariable>(AI)) {
-      // Local variable allocation.
-      Ty = PointerType::getUnqual(AI->getAllocatedType());
-      Name = getValueName(AI);
-      Out << "\t.locals (" << getTypeName(Ty) << Name << ")\n";
-    } else if (I->getType()!=Type::getVoidTy(F.getContext())) {
-      // Operation result.
-      Ty = I->getType();
-      Name = getValueName(&*I);
-      Out << "\t.locals (" << getTypeName(Ty) << Name << ")\n";
-    }
-    // Test on 'va_list' variable    
-    bool isVaList = false;     
-    if (const VAArgInst* VaInst = dyn_cast<VAArgInst>(&*I)) {
-      // "va_list" as "va_arg" instruction operand.
-      isVaList = true;
-      VaList = VaInst->getOperand(0);
-    } else if (const IntrinsicInst* Inst = dyn_cast<IntrinsicInst>(&*I)) {
-      // "va_list" as intrinsic function operand. 
-      switch (Inst->getIntrinsicID()) {
-      case Intrinsic::vastart:
-      case Intrinsic::vaend:
-      case Intrinsic::vacopy:
-        isVaList = true;
-        VaList = Inst->getArgOperand(0);
-        break;
-      default:
-        isVaList = false;
-      }
-    }
-    // Print "va_list" variable.
-    if (isVaList && Printed.insert(VaList).second) {
-      Name = getValueName(VaList);
-      Name.insert(Name.length()-1,"$valist");
-      Out << "\t.locals (valuetype [mscorlib]System.ArgIterator "
-          << Name << ")\n";
-    }
-  }
-  printSimpleInstruction(".maxstack",utostr(StackDepth*2).c_str());
-}
-
-
-void MSILWriter::printFunctionBody(const Function& F) {
-  // Print body
-  for (Function::const_iterator I = F.begin(), E = F.end(); I!=E; ++I) {
-    if (Loop *L = LInfo->getLoopFor(I)) {
-      if (L->getHeader()==I && L->getParentLoop()==0)
-        printLoop(L);
-    } else {
-      printBasicBlock(I);
-    }
-  }
-}
-
-
-void MSILWriter::printConstantExpr(const ConstantExpr* CE) {
-  const Value *left = 0, *right = 0;
-  if (CE->getNumOperands()>=1) left = CE->getOperand(0);
-  if (CE->getNumOperands()>=2) right = CE->getOperand(1);
-  // Print instruction
-  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:
-    printCastInstruction(CE->getOpcode(),left,CE->getType());
-    break;
-  case Instruction::GetElementPtr:
-    printGepInstruction(CE->getOperand(0),gep_type_begin(CE),gep_type_end(CE));
-    break;
-  case Instruction::ICmp:
-    printICmpInstruction(CE->getPredicate(),left,right);
-    break;
-  case Instruction::FCmp:
-    printFCmpInstruction(CE->getPredicate(),left,right);
-    break;
-  case Instruction::Select:
-    printSelectInstruction(CE->getOperand(0),CE->getOperand(1),CE->getOperand(2));
-    break;
-  case Instruction::Add:
-  case Instruction::FAdd:
-    printBinaryInstruction("add",left,right);
-    break;
-  case Instruction::Sub:
-  case Instruction::FSub:
-    printBinaryInstruction("sub",left,right);
-    break;
-  case Instruction::Mul:
-  case Instruction::FMul:
-    printBinaryInstruction("mul",left,right);
-    break;
-  case Instruction::UDiv:
-    printBinaryInstruction("div.un",left,right);
-    break;
-  case Instruction::SDiv:
-  case Instruction::FDiv:
-    printBinaryInstruction("div",left,right);
-    break;
-  case Instruction::URem:
-    printBinaryInstruction("rem.un",left,right);
-    break;
-  case Instruction::SRem:
-  case Instruction::FRem:
-    printBinaryInstruction("rem",left,right);
-    break;
-  case Instruction::And:
-    printBinaryInstruction("and",left,right);
-    break;
-  case Instruction::Or:
-    printBinaryInstruction("or",left,right);
-    break;
-  case Instruction::Xor:
-    printBinaryInstruction("xor",left,right);
-    break;
-  case Instruction::Shl:
-    printBinaryInstruction("shl",left,right);
-    break;
-  case Instruction::LShr:
-    printBinaryInstruction("shr.un",left,right);
-    break;
-  case Instruction::AShr:
-    printBinaryInstruction("shr",left,right);
-    break;
-  default:
-    errs() << "Expression = " << *CE << "\n";
-    llvm_unreachable("Invalid constant expression");
-  }
-}
-
-
-void MSILWriter::printStaticInitializerList() {
-  // List of global variables with uninitialized fields.
-  for (std::map<const GlobalVariable*,std::vector<StaticInitializer> >::iterator
-       VarI = StaticInitList.begin(), VarE = StaticInitList.end(); VarI!=VarE;
-       ++VarI) {
-    const std::vector<StaticInitializer>& InitList = VarI->second;
-    if (InitList.empty()) continue;
-    // For each uninitialized field.
-    for (std::vector<StaticInitializer>::const_iterator I = InitList.begin(),
-         E = InitList.end(); I!=E; ++I) {
-      if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(I->constant)) {
-        // Out << "\n// Init " << getValueName(VarI->first) << ", offset " <<
-        //  utostr(I->offset) << ", type "<< *I->constant->getType() << "\n\n";
-        // Load variable address
-        printValueLoad(VarI->first);
-        // Add offset
-        if (I->offset!=0) {
-          printPtrLoad(I->offset);
-          printSimpleInstruction("add");
-        }
-        // Load value
-        printConstantExpr(CE);
-        // Save result at offset
-        std::string postfix = getTypePostfix(CE->getType(),true);
-        if (*postfix.begin()=='u') *postfix.begin() = 'i';
-        postfix = "stind."+postfix;
-        printSimpleInstruction(postfix.c_str());
-      } else {
-        errs() << "Constant = " << *I->constant << '\n';
-        llvm_unreachable("Invalid static initializer");
-      }
-    }
-  }
-}
-
-
-void MSILWriter::printFunction(const Function& F) {
-  bool isSigned = F.paramHasAttr(0, Attribute::SExt);
-  Out << "\n.method static ";
-  Out << (F.hasLocalLinkage() ? "private " : "public ");
-  if (F.isVarArg()) Out << "vararg ";
-  Out << getTypeName(F.getReturnType(),isSigned) << 
-    getConvModopt(F.getCallingConv()) << getValueName(&F) << '\n';
-  // Arguments
-  Out << "\t(";
-  unsigned ArgIdx = 1;
-  for (Function::const_arg_iterator I = F.arg_begin(), E = F.arg_end(); I!=E;
-       ++I, ++ArgIdx) {
-    isSigned = F.paramHasAttr(ArgIdx, Attribute::SExt);
-    if (I!=F.arg_begin()) Out << ", ";
-    Out << getTypeName(I->getType(),isSigned) << getValueName(I);
-  }
-  Out << ") cil managed\n";
-  // Body
-  Out << "{\n";
-  printLocalVariables(F);
-  printFunctionBody(F);
-  Out << "}\n";
-}
-
-
-void MSILWriter::printDeclarations(const TypeSymbolTable& ST) {
-  std::string Name;
-  std::set<const Type*> Printed;
-  for (std::set<const Type*>::const_iterator
-       UI = UsedTypes->begin(), UE = UsedTypes->end(); UI!=UE; ++UI) {
-    const Type* Ty = *UI;
-    if (Ty->isArrayTy() || Ty->isVectorTy() || Ty->isStructTy())
-      Name = getTypeName(Ty, false, true);
-    // Type with no need to declare.
-    else continue;
-    // Print not duplicated type
-    if (Printed.insert(Ty).second) {
-      Out << ".class value explicit ansi sealed '" << Name << "'";
-      Out << " { .pack " << 1 << " .size " << TD->getTypeAllocSize(Ty);
-      Out << " }\n\n";
-    }
-  }
-}
-
-
-unsigned int MSILWriter::getBitWidth(const Type* Ty) {
-  unsigned int N = Ty->getPrimitiveSizeInBits();
-  assert(N!=0 && "Invalid type in getBitWidth()");
-  switch (N) {
-  case 1:
-  case 8:
-  case 16:
-  case 32:
-  case 64:
-    return N;
-  default:
-    errs() << "Bits = " << N << '\n';
-    llvm_unreachable("Unsupported integer width");
-  }
-  return 0; // Not reached
-}
-
-
-void MSILWriter::printStaticConstant(const Constant* C, uint64_t& Offset) {
-  uint64_t TySize = 0;
-  const Type* Ty = C->getType();
-  // Print zero initialized constant.
-  if (isa<ConstantAggregateZero>(C) || C->isNullValue()) {
-    TySize = TD->getTypeAllocSize(C->getType());
-    Offset += TySize;
-    Out << "int8 (0) [" << TySize << "]";
-    return;
-  }
-  // Print constant initializer
-  switch (Ty->getTypeID()) {
-  case Type::IntegerTyID: {
-    TySize = TD->getTypeAllocSize(Ty);
-    const ConstantInt* Int = cast<ConstantInt>(C);
-    Out << getPrimitiveTypeName(Ty,true) << "(" << Int->getSExtValue() << ")";
-    break;
-  }
-  case Type::FloatTyID:
-  case Type::DoubleTyID: {
-    TySize = TD->getTypeAllocSize(Ty);
-    const ConstantFP* FP = cast<ConstantFP>(C);
-    if (Ty->getTypeID() == Type::FloatTyID)
-      Out << "int32 (" << 
-        (uint32_t)FP->getValueAPF().bitcastToAPInt().getZExtValue() << ')';
-    else
-      Out << "int64 (" << 
-        FP->getValueAPF().bitcastToAPInt().getZExtValue() << ')';
-    break;
-  }
-  case Type::ArrayTyID:
-  case Type::VectorTyID:
-  case Type::StructTyID:
-    for (unsigned I = 0, E = C->getNumOperands(); I<E; I++) {
-      if (I!=0) Out << ",\n";
-      printStaticConstant(cast<Constant>(C->getOperand(I)), Offset);
-    }
-    break;
-  case Type::PointerTyID:
-    TySize = TD->getTypeAllocSize(C->getType());
-    // Initialize with global variable address
-    if (const GlobalVariable *G = dyn_cast<GlobalVariable>(C)) {
-      std::string name = getValueName(G);
-      Out << "&(" << name.insert(name.length()-1,"$data") << ")";
-    } else {
-      // Dynamic initialization
-      if (!isa<ConstantPointerNull>(C) && !C->isNullValue())
-        InitListPtr->push_back(StaticInitializer(C,Offset));
-      // Null pointer initialization
-      if (TySize==4) Out << "int32 (0)";
-      else if (TySize==8) Out << "int64 (0)";
-      else llvm_unreachable("Invalid pointer size");
-    }
-    break;
-  default:
-    errs() << "TypeID = " << Ty->getTypeID() << '\n';
-    llvm_unreachable("Invalid type in printStaticConstant()");
-  }
-  // Increase offset.
-  Offset += TySize;
-}
-
-
-void MSILWriter::printStaticInitializer(const Constant* C,
-                                        const std::string& Name) {
-  switch (C->getType()->getTypeID()) {
-  case Type::IntegerTyID:
-  case Type::FloatTyID:
-  case Type::DoubleTyID: 
-    Out << getPrimitiveTypeName(C->getType(), false);
-    break;
-  case Type::ArrayTyID:
-  case Type::VectorTyID:
-  case Type::StructTyID:
-  case Type::PointerTyID:
-    Out << getTypeName(C->getType());
-    break;
-  default:
-    errs() << "Type = " << *C << "\n";
-    llvm_unreachable("Invalid constant type");
-  }
-  // Print initializer
-  std::string label = Name;
-  label.insert(label.length()-1,"$data");
-  Out << Name << " at " << label << '\n';
-  Out << ".data " << label << " = {\n";
-  uint64_t offset = 0;
-  printStaticConstant(C,offset);
-  Out << "\n}\n\n";
-}
-
-
-void MSILWriter::printVariableDefinition(const GlobalVariable* G) {
-  const Constant* C = G->getInitializer();
-  if (C->isNullValue() || isa<ConstantAggregateZero>(C) || isa<UndefValue>(C))
-    InitListPtr = 0;
-  else
-    InitListPtr = &StaticInitList[G];
-  printStaticInitializer(C,getValueName(G));
-}
-
-
-void MSILWriter::printGlobalVariables() {
-  if (ModulePtr->global_empty()) return;
-  Module::global_iterator I,E;
-  for (I = ModulePtr->global_begin(), E = ModulePtr->global_end(); I!=E; ++I) {
-    // Variable definition
-    Out << ".field static " << (I->isDeclaration() ? "public " :
-                                                     "private ");
-    if (I->isDeclaration()) {
-      Out << getTypeName(I->getType()) << getValueName(&*I) << "\n\n";
-    } else
-      printVariableDefinition(&*I);
-  }
-}
-
-
-const char* MSILWriter::getLibraryName(const Function* F) {
-  return getLibraryForSymbol(F->getName(), true, F->getCallingConv());
-}
-
-
-const char* MSILWriter::getLibraryName(const GlobalVariable* GV) {
-  return getLibraryForSymbol(GV->getName(), false, CallingConv::C);
-}
-
-
-const char* MSILWriter::getLibraryForSymbol(StringRef Name, bool isFunction,
-                                            CallingConv::ID CallingConv) {
-  // TODO: Read *.def file with function and libraries definitions.
-  return "MSVCRT.DLL";  
-}
-
-
-void MSILWriter::printExternals() {
-  Module::const_iterator I,E;
-  // Functions.
-  for (I=ModulePtr->begin(),E=ModulePtr->end(); I!=E; ++I) {
-    // Skip intrisics
-    if (I->isIntrinsic()) continue;
-    if (I->isDeclaration()) {
-      const Function* F = I; 
-      std::string Name = getConvModopt(F->getCallingConv())+getValueName(F);
-      std::string Sig = 
-        getCallSignature(cast<FunctionType>(F->getFunctionType()), NULL, Name);
-      Out << ".method static hidebysig pinvokeimpl(\""
-          << getLibraryName(F) << "\")\n\t" << Sig << " preservesig {}\n\n";
-    }
-  }
-  // External variables and static initialization.
-  Out <<
-  ".method public hidebysig static pinvokeimpl(\"KERNEL32.DLL\" ansi winapi)"
-  "  native int LoadLibrary(string) preservesig {}\n"
-  ".method public hidebysig static pinvokeimpl(\"KERNEL32.DLL\" ansi winapi)"
-  "  native int GetProcAddress(native int, string) preservesig {}\n";
-  Out <<
-  ".method private static void* $MSIL_Import(string lib,string sym)\n"
-  " managed cil\n{\n"
-  "\tldarg\tlib\n"
-  "\tcall\tnative int LoadLibrary(string)\n"
-  "\tldarg\tsym\n"
-  "\tcall\tnative int GetProcAddress(native int,string)\n"
-  "\tdup\n"
-  "\tbrtrue\tL_01\n"
-  "\tldstr\t\"Can no import variable\"\n"
-  "\tnewobj\tinstance void [mscorlib]System.Exception::.ctor(string)\n"
-  "\tthrow\n"
-  "L_01:\n"
-  "\tret\n"
-  "}\n\n"
-  ".method static private void $MSIL_Init() managed cil\n{\n";
-  printStaticInitializerList();
-  // Foreach global variable.
-  for (Module::global_iterator I = ModulePtr->global_begin(),
-       E = ModulePtr->global_end(); I!=E; ++I) {
-    if (!I->isDeclaration() || !I->hasDLLImportLinkage()) continue;
-    // Use "LoadLibrary"/"GetProcAddress" to recive variable address.
-    std::string Tmp = getTypeName(I->getType())+getValueName(&*I);
-    printSimpleInstruction("ldsflda",Tmp.c_str());
-    Out << "\tldstr\t\"" << getLibraryName(&*I) << "\"\n";
-    Out << "\tldstr\t\"" << I->getName() << "\"\n";
-    printSimpleInstruction("call","void* $MSIL_Import(string,string)");
-    printIndirectSave(I->getType());
-  }
-  printSimpleInstruction("ret");
-  Out << "}\n\n";
-}
-
-
-//===----------------------------------------------------------------------===//
-//                      External Interface declaration
-//===----------------------------------------------------------------------===//
-
-bool MSILTarget::addPassesToEmitFile(PassManagerBase &PM,
-                                     formatted_raw_ostream &o,
-                                     CodeGenFileType FileType,
-                                     CodeGenOpt::Level OptLevel,
-                                     bool DisableVerify)
-{
-  if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
-  MSILWriter* Writer = new MSILWriter(o);
-  PM.add(createGCLoweringPass());
-  // FIXME: Handle switch through native IL instruction "switch"
-  PM.add(createLowerSwitchPass());
-  PM.add(createCFGSimplificationPass());
-  PM.add(new MSILModule(Writer->UsedTypes,Writer->TD));
-  PM.add(Writer);
-  PM.add(createGCInfoDeleter());
-  return false;
-}
diff --git a/lib/Target/MSIL/MSILWriter.h b/lib/Target/MSIL/MSILWriter.h
deleted file mode 100644
index 87440e22987..00000000000
--- a/lib/Target/MSIL/MSILWriter.h
+++ /dev/null
@@ -1,258 +0,0 @@
-//===-- MSILWriter.h - TargetMachine for the MSIL ---------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares the MSILWriter that is used by the MSIL.
-//
-//===----------------------------------------------------------------------===//
-#ifndef MSILWRITER_H
-#define MSILWRITER_H
-
-#include "llvm/CallingConv.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-#include "llvm/Instructions.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Pass.h"
-#include "llvm/PassManager.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Analysis/FindUsedTypes.h"
-#include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/GetElementPtrTypeIterator.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-
-namespace llvm {
-  extern Target TheMSILTarget;
-
-  class MSILModule : public ModulePass {
-    Module *ModulePtr;
-    const std::set<const Type *>*& UsedTypes;
-    const TargetData*& TD;
-
-  public:
-    static char ID;
-    MSILModule(const std::set<const Type *>*& _UsedTypes,
-               const TargetData*& _TD)
-      : ModulePass(ID), UsedTypes(_UsedTypes), TD(_TD) {}
-
-    void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<FindUsedTypes>();
-      AU.addRequired<TargetData>();
-    }
-
-    virtual const char *getPassName() const {
-      return "MSIL backend definitions";
-    }
-
-    virtual bool runOnModule(Module &M);
-
-  };
-
-  class MSILWriter : public FunctionPass {
-    struct StaticInitializer {
-      const Constant* constant;
-      uint64_t offset;
-      
-      StaticInitializer()
-        : constant(0), offset(0) {}
-
-      StaticInitializer(const Constant* _constant, uint64_t _offset)
-        : constant(_constant), offset(_offset) {} 
-    };
-
-    uint64_t UniqID;
-
-    uint64_t getUniqID() {
-      return ++UniqID;
-    }
-
-  public:
-    formatted_raw_ostream &Out;
-    Module* ModulePtr;
-    const TargetData* TD;
-    LoopInfo *LInfo;
-    std::vector<StaticInitializer>* InitListPtr;
-    std::map<const GlobalVariable*,std::vector<StaticInitializer> >
-      StaticInitList;
-    const std::set<const Type *>* UsedTypes;
-    static char ID;
-    DenseMap<const Value*, unsigned> AnonValueNumbers;
-    unsigned NextAnonValueNumber;
-
-    MSILWriter(formatted_raw_ostream &o) : FunctionPass(ID), Out(o),
-         NextAnonValueNumber(0) {
-      UniqID = 0;
-    }
-
-    enum ValueType {
-      UndefVT,
-      GlobalVT,
-      InternalVT,
-      ArgumentVT,
-      LocalVT,
-      ConstVT,
-      ConstExprVT
-    };
-
-    bool isVariable(ValueType V) {
-      return V==GlobalVT || V==InternalVT || V==ArgumentVT || V==LocalVT;
-    }
-
-    bool isConstValue(ValueType V) {
-      return V==ConstVT || V==ConstExprVT;
-    }
-
-    virtual const char *getPassName() const { return "MSIL backend"; }
-
-    void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<LoopInfo>();
-      AU.setPreservesAll();
-    }
-
-    bool runOnFunction(Function &F);
-
-    virtual bool doInitialization(Module &M);
-
-    virtual bool doFinalization(Module &M);
-
-    void printModuleStartup();
-
-    bool isZeroValue(const Value* V);
-
-    std::string getValueName(const Value* V);
-
-    std::string getLabelName(const Value* V);
-
-    std::string getLabelName(const std::string& Name);
-
-    std::string getConvModopt(CallingConv::ID CallingConvID);
-
-    std::string getArrayTypeName(Type::TypeID TyID, const Type* Ty);
-
-    std::string getPrimitiveTypeName(const Type* Ty, bool isSigned);
-
-    std::string getFunctionTypeName(const Type* Ty);
-
-    std::string getPointerTypeName(const Type* Ty);
-
-    std::string getTypeName(const Type* Ty, bool isSigned = false,
-                            bool isNested = false);
-
-    ValueType getValueLocation(const Value* V);
-
-    std::string getTypePostfix(const Type* Ty, bool Expand,
-                               bool isSigned = false);
-
-    void printConvToPtr();
-
-    void printPtrLoad(uint64_t N);
-
-    void printValuePtrLoad(const Value* V);
-
-    void printConstLoad(const Constant* C);
-
-    void printValueLoad(const Value* V);
-
-    void printValueSave(const Value* V);
-
-    void printBinaryInstruction(const char* Name, const Value* Left,
-                                const Value* Right);
-
-    void printSimpleInstruction(const char* Inst, const char* Operand = NULL);
-
-    void printPHICopy(const BasicBlock* Src, const BasicBlock* Dst);
-
-    void printBranchToBlock(const BasicBlock* CurrBB,
-                            const BasicBlock* TrueBB,
-                            const BasicBlock* FalseBB);
-
-    void printBranchInstruction(const BranchInst* Inst);
-
-    void printSelectInstruction(const Value* Cond, const Value* VTrue,
-                                const Value* VFalse);
-
-    void printIndirectLoad(const Value* V);
-
-    void printIndirectSave(const Value* Ptr, const Value* Val);
-
-    void printIndirectSave(const Type* Ty);
-
-    void printCastInstruction(unsigned int Op, const Value* V,
-                              const Type* Ty, const Type* SrcTy=0);
-
-    void printGepInstruction(const Value* V, gep_type_iterator I,
-                             gep_type_iterator E);
-
-    std::string getCallSignature(const FunctionType* Ty,
-                                 const Instruction* Inst,
-                                 std::string Name);
-
-    void printFunctionCall(const Value* FnVal, const Instruction* Inst);
-
-    void printIntrinsicCall(const IntrinsicInst* Inst);
-
-    void printCallInstruction(const Instruction* Inst);
-
-    void printICmpInstruction(unsigned Predicate, const Value* Left,
-                              const Value* Right);
-
-    void printFCmpInstruction(unsigned Predicate, const Value* Left,
-                              const Value* Right);
-
-    void printInvokeInstruction(const InvokeInst* Inst);
-
-    void printSwitchInstruction(const SwitchInst* Inst);
-
-    void printVAArgInstruction(const VAArgInst* Inst);
-
-    void printAllocaInstruction(const AllocaInst* Inst);
-
-    void printInstruction(const Instruction* Inst);
-
-    void printLoop(const Loop* L);
-
-    void printBasicBlock(const BasicBlock* BB);
-    
-    void printLocalVariables(const Function& F);
-
-    void printFunctionBody(const Function& F);
-
-    void printConstantExpr(const ConstantExpr* CE);
-
-    void printStaticInitializerList();
-
-    void printFunction(const Function& F);
-
-    void printDeclarations(const TypeSymbolTable& ST);
-
-    unsigned int getBitWidth(const Type* Ty);
-
-    void printStaticConstant(const Constant* C, uint64_t& Offset);
-
-    void printStaticInitializer(const Constant* C, const std::string& Name);
-
-    void printVariableDefinition(const GlobalVariable* G);
-
-    void printGlobalVariables();
-
-    const char* getLibraryName(const Function* F);
-
-    const char* getLibraryName(const GlobalVariable* GV); 
-    
-    const char* getLibraryForSymbol(StringRef Name, bool isFunction,
-                                    CallingConv::ID CallingConv);
-
-    void printExternals();
-  };
-
-}
-
-#endif
-
diff --git a/lib/Target/MSIL/Makefile b/lib/Target/MSIL/Makefile
deleted file mode 100644
index 70eadb32e36..00000000000
--- a/lib/Target/MSIL/Makefile
+++ /dev/null
@@ -1,16 +0,0 @@
-##===- lib/Target/MSIL/Makefile ----------------------------*- Makefile -*-===##
-#
-#		      The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../../..
-LIBRARYNAME = LLVMMSIL
-DIRS = TargetInfo
-
-include $(LEVEL)/Makefile.common
-
-CompileCommonOpts := $(CompileCommonOpts) -Wno-format
diff --git a/lib/Target/MSIL/README.TXT b/lib/Target/MSIL/README.TXT
deleted file mode 100644
index d797c71fd39..00000000000
--- a/lib/Target/MSIL/README.TXT
+++ /dev/null
@@ -1,26 +0,0 @@
-//===---------------------------------------------------------------------===// 
-
-Vector instructions support.
-
-ShuffleVector
-ExtractElement
-InsertElement
-
-//===---------------------------------------------------------------------===// 
-
-Add "OpaqueType" type.
-
-//===---------------------------------------------------------------------===// 
-
-"switch" instruction emulation with CLI "switch" instruction.
-
-//===---------------------------------------------------------------------===// 
-
-Write linker for external function, because function export need to know 
-dynamic library where function located.
-
-.method static hidebysig pinvokeimpl("msvcrt.dll" cdecl)
-    void free(void*) preservesig {}
-
-
-
diff --git a/lib/Target/MSIL/TargetInfo/CMakeLists.txt b/lib/Target/MSIL/TargetInfo/CMakeLists.txt
deleted file mode 100644
index 9f0c3a09341..00000000000
--- a/lib/Target/MSIL/TargetInfo/CMakeLists.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
-
-add_llvm_library(LLVMMSILInfo
-  MSILTargetInfo.cpp
-  )
-
diff --git a/lib/Target/MSIL/TargetInfo/MSILTargetInfo.cpp b/lib/Target/MSIL/TargetInfo/MSILTargetInfo.cpp
deleted file mode 100644
index dfd42814e51..00000000000
--- a/lib/Target/MSIL/TargetInfo/MSILTargetInfo.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//===-- MSILTargetInfo.cpp - MSIL Target Implementation -------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MSILWriter.h"
-#include "llvm/Module.h"
-#include "llvm/Target/TargetRegistry.h"
-using namespace llvm;
-
-Target llvm::TheMSILTarget;
-
-static unsigned MSIL_TripleMatchQuality(const std::string &TT) {
-  // This class always works, but shouldn't be the default in most cases.
-  return 1;
-}
-
-extern "C" void LLVMInitializeMSILTargetInfo() { 
-  TargetRegistry::RegisterTarget(TheMSILTarget, "msil",    
-                                  "MSIL backend",
-                                  &MSIL_TripleMatchQuality);
-}
diff --git a/lib/Target/MSIL/TargetInfo/Makefile b/lib/Target/MSIL/TargetInfo/Makefile
deleted file mode 100644
index 30b0950db0f..00000000000
--- a/lib/Target/MSIL/TargetInfo/Makefile
+++ /dev/null
@@ -1,15 +0,0 @@
-##===- lib/Target/MSIL/TargetInfo/Makefile -----------------*- Makefile -*-===##
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-LEVEL = ../../../..
-LIBRARYNAME = LLVMMSILInfo
-
-# Hack: we need to include 'main' target directory to grab private headers
-CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
-
-include $(LEVEL)/Makefile.common