diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index e6d5624..5af89c7 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -27,7 +27,8 @@
 #include <cerrno>
 using namespace llvm;
 
-AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm, TargetAsmInfo *T)
+AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm,
+                       const TargetAsmInfo *T)
 : FunctionNumber(0), O(o), TM(tm), TAI(T)
 {}
 
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 9c4726e..22d6744 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -574,24 +574,24 @@
 }
 
 #ifndef NDEBUG
-  void DIEAbbrev::print(std::ostream &O) {
-    O << "Abbreviation @"
-      << std::hex << (intptr_t)this << std::dec
+void DIEAbbrev::print(std::ostream &O) {
+  O << "Abbreviation @"
+    << std::hex << (intptr_t)this << std::dec
+    << "  "
+    << TagString(Tag)
+    << " "
+    << ChildrenString(ChildrenFlag)
+    << "\n";
+  
+  for (unsigned i = 0, N = Data.size(); i < N; ++i) {
+    O << "  "
+      << AttributeString(Data[i].getAttribute())
       << "  "
-      << TagString(Tag)
-      << " "
-      << ChildrenString(ChildrenFlag)
+      << FormEncodingString(Data[i].getForm())
       << "\n";
-    
-    for (unsigned i = 0, N = Data.size(); i < N; ++i) {
-      O << "  "
-        << AttributeString(Data[i].getAttribute())
-        << "  "
-        << FormEncodingString(Data[i].getForm())
-        << "\n";
-    }
   }
-  void DIEAbbrev::dump() { print(std::cerr); }
+}
+void DIEAbbrev::dump() { print(std::cerr); }
 #endif
 
 //===----------------------------------------------------------------------===//
@@ -1160,7 +1160,7 @@
 /// is an option (needsSet) to use an intermediary 'set' expression.
 void DwarfWriter::EmitDifference(const char *TagHi, unsigned NumberHi,
                                  const char *TagLo, unsigned NumberLo) const {
-  if (TAI->getNeedsSet()) {
+  if (TAI->needsSet()) {
     static unsigned SetCounter = 0;
     
     O << "\t.set\t";
@@ -2467,7 +2467,8 @@
 // Main entry points.
 //
   
-DwarfWriter::DwarfWriter(std::ostream &OS, AsmPrinter *A, TargetAsmInfo *T)
+DwarfWriter::DwarfWriter(std::ostream &OS, AsmPrinter *A,
+  const TargetAsmInfo *T)
 : O(OS)
 , Asm(A)
 , TAI(T)
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 98c3790..2a0c404 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -38,20 +38,8 @@
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
 
-  struct VISIBILITY_HIDDEN ARMTargetAsmInfo : public TargetAsmInfo {
-    ARMTargetAsmInfo() {
-      Data16bitsDirective = "\t.half\t";
-      Data32bitsDirective = "\t.word\t";
-      Data64bitsDirective = 0;
-      ZeroDirective = "\t.skip\t";
-      CommentString = "@";
-      ConstantPoolSection = "\t.text\n";
-      AlignmentIsInBytes = false;
-    }
-  };
-
   struct VISIBILITY_HIDDEN ARMAsmPrinter : public AsmPrinter {
-    ARMAsmPrinter(std::ostream &O, TargetMachine &TM, TargetAsmInfo *T)
+    ARMAsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
       : AsmPrinter(O, TM, T) {
     }
 
@@ -113,8 +101,7 @@
 ///
 FunctionPass *llvm::createARMCodePrinterPass(std::ostream &o,
                                                TargetMachine &tm) {
-  ARMTargetAsmInfo *TAI = new ARMTargetAsmInfo();
-  return new ARMAsmPrinter(o, tm, TAI);
+  return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
 
 /// runOnMachineFunction - This uses the printMachineInstruction()
diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index f09b92b..bf8deba 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -20,6 +20,7 @@
 #include "llvm/Target/TargetFrameInfo.h"
 #include "ARMInstrInfo.h"
 #include "ARMFrameInfo.h"
+#include "ARMTargetAsmInfo.h"
 
 namespace llvm {
 
@@ -40,6 +41,10 @@
   virtual const TargetData       *getTargetData() const { return &DataLayout; }
   static unsigned getModuleMatchQuality(const Module &M);
 
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new ARMTargetAsmInfo(*this));
+  }
+
   // Pass Pipeline Configuration
   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
   virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
diff --git a/lib/Target/Alpha/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AlphaAsmPrinter.cpp
index d709ed7..2ce4865 100644
--- a/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -29,20 +29,13 @@
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
   
-  struct VISIBILITY_HIDDEN AlphaTargetAsmInfo : public TargetAsmInfo {
-    AlphaTargetAsmInfo() {
-      AlignmentIsInBytes = false;
-      PrivateGlobalPrefix = "$";
-    }
-  };
-
   struct VISIBILITY_HIDDEN AlphaAsmPrinter : public AsmPrinter {
 
     /// Unique incrementer for label values for referencing Global values.
     ///
     unsigned LabelNumber;
 
-    AlphaAsmPrinter(std::ostream &o, TargetMachine &tm, TargetAsmInfo *T)
+    AlphaAsmPrinter(std::ostream &o, TargetMachine &tm, const TargetAsmInfo *T)
        : AsmPrinter(o, tm, T), LabelNumber(0) {
     }
 
@@ -82,8 +75,7 @@
 ///
 FunctionPass *llvm::createAlphaCodePrinterPass (std::ostream &o,
                                                   TargetMachine &tm) {
-  AlphaTargetAsmInfo *TAI = new AlphaTargetAsmInfo();
-  return new AlphaAsmPrinter(o, tm, TAI);
+  return new AlphaAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
 
 #include "AlphaGenAsmWriter.inc"
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index 9c9f52d..cbe0cdb 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -53,7 +53,8 @@
   : DataLayout("e"),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
     JITInfo(*this),
-    Subtarget(M, FS) {
+    Subtarget(M, FS),
+    AsmInfo(NULL) {
 }
 
 
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index d71c7ce..d47ca82 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -20,6 +20,7 @@
 #include "AlphaInstrInfo.h"
 #include "AlphaJITInfo.h"
 #include "AlphaSubtarget.h"
+#include "AlphaTargetAsmInfo.h"
 
 namespace llvm {
 
@@ -31,9 +32,13 @@
   TargetFrameInfo FrameInfo;
   AlphaJITInfo JITInfo;
   AlphaSubtarget Subtarget;
+  AlphaTargetAsmInfo *AsmInfo;
   
 public:
   AlphaTargetMachine(const Module &M, const std::string &FS);
+  ~AlphaTargetMachine() {
+    if (AsmInfo) delete AsmInfo;
+  }
 
   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
@@ -46,6 +51,10 @@
     return &JITInfo;
   }
 
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new AlphaTargetAsmInfo(*this));
+  }
+
   static unsigned getJITMatchQuality();
   static unsigned getModuleMatchQuality(const Module &M);
   
diff --git a/lib/Target/IA64/IA64AsmPrinter.cpp b/lib/Target/IA64/IA64AsmPrinter.cpp
index 1de1215..4a16777 100644
--- a/lib/Target/IA64/IA64AsmPrinter.cpp
+++ b/lib/Target/IA64/IA64AsmPrinter.cpp
@@ -23,8 +23,8 @@
 #include "llvm/Assembly/Writer.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/ADT/Statistic.h"
 #include <iostream>
@@ -32,31 +32,11 @@
 
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
-
-  struct VISIBILITY_HIDDEN IA64TargetAsmInfo : public TargetAsmInfo {
-    IA64TargetAsmInfo() {
-      CommentString = "//";
-      Data8bitsDirective = "\tdata1\t";     // FIXME: check that we are
-      Data16bitsDirective = "\tdata2.ua\t"; // disabling auto-alignment
-      Data32bitsDirective = "\tdata4.ua\t"; // properly
-      Data64bitsDirective = "\tdata8.ua\t";
-      ZeroDirective = "\t.skip\t";
-      AsciiDirective = "\tstring\t";
-
-      GlobalVarAddrPrefix="";
-      GlobalVarAddrSuffix="";
-      FunctionAddrPrefix="@fptr(";
-      FunctionAddrSuffix=")";
-      
-      // FIXME: would be nice to have rodata (no 'w') when appropriate?
-      ConstantPoolSection = "\n\t.section .data, \"aw\", \"progbits\"\n";
-    }
-  };
   
   struct IA64AsmPrinter : public AsmPrinter {
     std::set<std::string> ExternalFunctionNames, ExternalObjectNames;
 
-    IA64AsmPrinter(std::ostream &O, TargetMachine &TM, TargetAsmInfo *T)
+    IA64AsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
       : AsmPrinter(O, TM, T) {
     }
 
@@ -366,8 +346,7 @@
 ///
 FunctionPass *llvm::createIA64CodePrinterPass(std::ostream &o,
                                               IA64TargetMachine &tm) {
-  IA64TargetAsmInfo *TAI = new IA64TargetAsmInfo();
-  return new IA64AsmPrinter(o, tm, TAI);
+  return new IA64AsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
 
 
diff --git a/lib/Target/IA64/IA64TargetMachine.h b/lib/Target/IA64/IA64TargetMachine.h
index 5a4b6b6..61ac05f 100644
--- a/lib/Target/IA64/IA64TargetMachine.h
+++ b/lib/Target/IA64/IA64TargetMachine.h
@@ -19,6 +19,7 @@
 #include "llvm/Target/TargetFrameInfo.h"
 #include "IA64InstrInfo.h"
 #include "IA64ISelLowering.h"
+#include "IA64TargetAsmInfo.h"
 
 namespace llvm {
 
@@ -40,6 +41,10 @@
     return &InstrInfo.getRegisterInfo();
   }
   virtual const TargetData       *getTargetData() const { return &DataLayout; }
+  
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new IA64TargetAsmInfo(*this));
+  }
 
   static unsigned getModuleMatchQuality(const Module &M);
 
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 9ec7106..b50fc45 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -50,7 +50,7 @@
   struct VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
     std::set<std::string> FnStubs, GVStubs;
     
-    PPCAsmPrinter(std::ostream &O, TargetMachine &TM, TargetAsmInfo *T)
+    PPCAsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
       : AsmPrinter(O, TM, T) {}
 
     virtual const char *getPassName() const {
@@ -239,49 +239,14 @@
     
   };
 
-  struct VISIBILITY_HIDDEN DarwinTargetAsmInfo : public TargetAsmInfo {
-    DarwinTargetAsmInfo(PPCTargetMachine &TM) {
-      bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
-
-      CommentString = ";";
-      GlobalPrefix = "_";
-      PrivateGlobalPrefix = "L";
-      ZeroDirective = "\t.space\t";
-      SetDirective = "\t.set";
-      Data64bitsDirective = isPPC64 ? ".quad\t" : 0;  
-      AlignmentIsInBytes = false;
-      ConstantPoolSection = "\t.const\t";
-      JumpTableDataSection = ".const";
-      JumpTableTextSection = "\t.text";
-      LCOMMDirective = "\t.lcomm\t";
-      StaticCtorsSection = ".mod_init_func";
-      StaticDtorsSection = ".mod_term_func";
-      InlineAsmStart = "# InlineAsm Start";
-      InlineAsmEnd = "# InlineAsm End";
-      
-      NeedsSet = true;
-      AddressSize = isPPC64 ? 8 : 4;
-      DwarfAbbrevSection = ".section __DWARF,__debug_abbrev";
-      DwarfInfoSection = ".section __DWARF,__debug_info";
-      DwarfLineSection = ".section __DWARF,__debug_line";
-      DwarfFrameSection = ".section __DWARF,__debug_frame";
-      DwarfPubNamesSection = ".section __DWARF,__debug_pubnames";
-      DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes";
-      DwarfStrSection = ".section __DWARF,__debug_str";
-      DwarfLocSection = ".section __DWARF,__debug_loc";
-      DwarfARangesSection = ".section __DWARF,__debug_aranges";
-      DwarfRangesSection = ".section __DWARF,__debug_ranges";
-      DwarfMacInfoSection = ".section __DWARF,__debug_macinfo";
-    }
-  };
-
   /// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
   /// X
   struct VISIBILITY_HIDDEN DarwinAsmPrinter : public PPCAsmPrinter {
   
     DwarfWriter DW;
 
-    DarwinAsmPrinter(std::ostream &O, PPCTargetMachine &TM, TargetAsmInfo *T)
+    DarwinAsmPrinter(std::ostream &O, PPCTargetMachine &TM,
+                     const TargetAsmInfo *T)
       : PPCAsmPrinter(O, TM, T), DW(O, this, T) {
       bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
     }
@@ -309,8 +274,7 @@
 ///
 FunctionPass *llvm::createDarwinCodePrinterPass(std::ostream &o,
                                                 PPCTargetMachine &tm) {
-  TargetAsmInfo *TAI = new DarwinTargetAsmInfo(tm);
-  return new DarwinAsmPrinter(o, tm, TAI);
+  return new DarwinAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
 
 // Include the auto-generated portion of the assembly writer
diff --git a/lib/Target/PowerPC/PPCTargetMachine.h b/lib/Target/PowerPC/PPCTargetMachine.h
index 9a77a4f..d11f015 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.h
+++ b/lib/Target/PowerPC/PPCTargetMachine.h
@@ -19,6 +19,7 @@
 #include "PPCJITInfo.h"
 #include "PPCInstrInfo.h"
 #include "PPCISelLowering.h"
+#include "PPCTargetAsmInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetData.h"
 
@@ -55,6 +56,9 @@
     return InstrItins;
   }
   
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new DarwinTargetAsmInfo(*this));
+  }
   
   // Pass Pipeline Configuration
   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
diff --git a/lib/Target/Sparc/SparcAsmPrinter.cpp b/lib/Target/Sparc/SparcAsmPrinter.cpp
index 2bc6f63..1e6efcb 100644
--- a/lib/Target/Sparc/SparcAsmPrinter.cpp
+++ b/lib/Target/Sparc/SparcAsmPrinter.cpp
@@ -37,19 +37,8 @@
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
 
-  struct VISIBILITY_HIDDEN SparcTargetAsmInfo : public TargetAsmInfo {
-    SparcTargetAsmInfo() {
-      Data16bitsDirective = "\t.half\t";
-      Data32bitsDirective = "\t.word\t";
-      Data64bitsDirective = 0;  // .xword is only supported by V9.
-      ZeroDirective = "\t.skip\t";
-      CommentString = "!";
-      ConstantPoolSection = "\t.section \".rodata\",#alloc\n";
-    }
-  };
-
   struct VISIBILITY_HIDDEN SparcAsmPrinter : public AsmPrinter {
-    SparcAsmPrinter(std::ostream &O, TargetMachine &TM, TargetAsmInfo *T)
+    SparcAsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
       : AsmPrinter(O, TM, T) {
     }
 
@@ -85,8 +74,7 @@
 ///
 FunctionPass *llvm::createSparcCodePrinterPass(std::ostream &o,
                                                TargetMachine &tm) {
-  SparcTargetAsmInfo *TAI = new SparcTargetAsmInfo();
-  return new SparcAsmPrinter(o, tm, TAI);
+  return new SparcAsmPrinter(o, tm, tm.getTargetAsmInfo());
 }
 
 /// runOnMachineFunction - This uses the printMachineInstruction()
diff --git a/lib/Target/Sparc/SparcTargetMachine.h b/lib/Target/Sparc/SparcTargetMachine.h
index e377afa..995d346 100644
--- a/lib/Target/Sparc/SparcTargetMachine.h
+++ b/lib/Target/Sparc/SparcTargetMachine.h
@@ -19,6 +19,7 @@
 #include "llvm/Target/TargetFrameInfo.h"
 #include "SparcInstrInfo.h"
 #include "SparcSubtarget.h"
+#include "SparcTargetAsmInfo.h"
 
 namespace llvm {
 
@@ -41,6 +42,9 @@
   virtual const TargetData       *getTargetData() const { return &DataLayout; }
   static unsigned getModuleMatchQuality(const Module &M);
 
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new SparcTargetAsmInfo(*this));
+  }
   
   // Pass Pipeline Configuration
   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 3a9c8b3..3ca64c4 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Support/CommandLine.h"
@@ -95,6 +96,7 @@
 //
 
 TargetMachine::~TargetMachine() {
+  if (AsmInfo) delete AsmInfo;
 }
 
 /// getRelocationModel - Returns the code generation relocation model. The
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index 6c54d69..e3653e4 100755
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -16,8 +16,10 @@
 #include "X86ATTAsmPrinter.h"
 #include "X86.h"
 #include "X86TargetMachine.h"
+#include "X86TargetAsmInfo.h"
 #include "llvm/Module.h"
 #include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetOptions.h"
 #include <iostream>
 using namespace llvm;
diff --git a/lib/Target/X86/X86ATTAsmPrinter.h b/lib/Target/X86/X86ATTAsmPrinter.h
index e060150..ff707ca 100755
--- a/lib/Target/X86/X86ATTAsmPrinter.h
+++ b/lib/Target/X86/X86ATTAsmPrinter.h
@@ -20,7 +20,7 @@
 namespace llvm {
 
 struct X86ATTAsmPrinter : public X86SharedAsmPrinter {
- X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM, TargetAsmInfo *T)
+ X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM, const TargetAsmInfo *T)
     : X86SharedAsmPrinter(O, TM, T) { }
 
   virtual const char *getPassName() const {
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 2e32f34..4a54e59 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -23,88 +23,12 @@
 #include "llvm/Type.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
 using namespace llvm;
 
 Statistic<> llvm::EmittedInsts("asm-printer",
                                "Number of machine instrs printed");
 
-X86TargetAsmInfo::X86TargetAsmInfo(X86TargetMachine &TM) {
-  const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
-  
-  //FIXME - Should to be simplified.
-   
-  switch (Subtarget->TargetType) {
-  case X86Subtarget::isDarwin:
-    AlignmentIsInBytes = false;
-    GlobalPrefix = "_";
-    Data64bitsDirective = 0;       // we can't emit a 64-bit unit
-    ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
-    PrivateGlobalPrefix = "L";     // Marker for constant pool idxs
-    ConstantPoolSection = "\t.const\n";
-    JumpTableDataSection = "\t.const\n"; // FIXME: depends on PIC mode
-    FourByteConstantSection = "\t.literal4\n";
-    EightByteConstantSection = "\t.literal8\n";
-    LCOMMDirective = "\t.lcomm\t";
-    COMMDirectiveTakesAlignment = false;
-    HasDotTypeDotSizeDirective = false;
-    StaticCtorsSection = ".mod_init_func";
-    StaticDtorsSection = ".mod_term_func";
-    InlineAsmStart = "# InlineAsm Start";
-    InlineAsmEnd = "# InlineAsm End";
-    SetDirective = "\t.set";
-    
-    NeedsSet = true;
-    DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
-    DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
-    DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
-    DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
-    DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
-    DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
-    DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
-    DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
-    DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
-    DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
-    DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
-    break;
-  case X86Subtarget::isCygwin:
-    GlobalPrefix = "_";
-    COMMDirectiveTakesAlignment = false;
-    HasDotTypeDotSizeDirective = false;
-    StaticCtorsSection = "\t.section .ctors,\"aw\"";
-    StaticDtorsSection = "\t.section .dtors,\"aw\"";
-    break;
-  case X86Subtarget::isWindows:
-    GlobalPrefix = "_";
-    HasDotTypeDotSizeDirective = false;
-    break;
-  default: break;
-  }
-  
-  if (Subtarget->isFlavorIntel()) {
-    GlobalPrefix = "_";
-    CommentString = ";";
-  
-    PrivateGlobalPrefix = "$";
-    AlignDirective = "\talign\t";
-    ZeroDirective = "\tdb\t";
-    ZeroDirectiveSuffix = " dup(0)";
-    AsciiDirective = "\tdb\t";
-    AscizDirective = 0;
-    Data8bitsDirective = "\tdb\t";
-    Data16bitsDirective = "\tdw\t";
-    Data32bitsDirective = "\tdd\t";
-    Data64bitsDirective = "\tdq\t";
-    HasDotTypeDotSizeDirective = false;
-    
-    TextSection = "_text";
-    DataSection = "_data";
-    SwitchToSectionDirective = "";
-    TextSectionStartSuffix = "\tsegment 'CODE'";
-    DataSectionStartSuffix = "\tsegment 'DATA'";
-    SectionEndDirectiveSuffix = "\tends\n";
-  }
-}
-
 /// doInitialization
 bool X86SharedAsmPrinter::doInitialization(Module &M) {  
   if (Subtarget->isTargetDarwin()) {
@@ -255,11 +179,10 @@
 FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,
                                              X86TargetMachine &tm) {
   const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
-  TargetAsmInfo *TAI = new X86TargetAsmInfo(tm);
 
   if (Subtarget->isFlavorIntel()) {
-    return new X86IntelAsmPrinter(o, tm, TAI);
+    return new X86IntelAsmPrinter(o, tm, tm.getTargetAsmInfo());
   } else {
-    return new X86ATTAsmPrinter(o, tm, TAI);
+    return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo());
   }
 }
diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
index aa8129b..8d32f59 100755
--- a/lib/Target/X86/X86AsmPrinter.h
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -22,7 +22,6 @@
 #include "llvm/CodeGen/DwarfWriter.h"
 #include "llvm/CodeGen/MachineDebugInfo.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Target/TargetAsmInfo.h"
 #include <set>
 
 
@@ -30,15 +29,11 @@
 
 extern Statistic<> EmittedInsts;
 
-struct VISIBILITY_HIDDEN X86TargetAsmInfo : public TargetAsmInfo {
-  X86TargetAsmInfo(X86TargetMachine &TM);
-};
-
 struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
   DwarfWriter DW;
 
   X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM,
-                      TargetAsmInfo *T)
+                      const TargetAsmInfo *T)
     : AsmPrinter(O, TM, T), DW(O, this, T) {
     Subtarget = &TM.getSubtarget<X86Subtarget>();
   }
diff --git a/lib/Target/X86/X86IntelAsmPrinter.cpp b/lib/Target/X86/X86IntelAsmPrinter.cpp
index 7be50e7..ddf807f 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/X86IntelAsmPrinter.cpp
@@ -14,11 +14,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "X86IntelAsmPrinter.h"
+#include "X86TargetAsmInfo.h"
 #include "X86.h"
 #include "llvm/Constants.h"
 #include "llvm/Module.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetOptions.h"
 using namespace llvm;
 
diff --git a/lib/Target/X86/X86IntelAsmPrinter.h b/lib/Target/X86/X86IntelAsmPrinter.h
index 8e0e8ba..ef0af2a 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.h
+++ b/lib/Target/X86/X86IntelAsmPrinter.h
@@ -21,7 +21,8 @@
 namespace llvm {
 
 struct X86IntelAsmPrinter : public X86SharedAsmPrinter {
-  X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM, TargetAsmInfo *T)
+  X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM,
+                     const TargetAsmInfo *T)
       : X86SharedAsmPrinter(O, TM, T) {
   }
 
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 9b50c7e..0bbef05 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -21,6 +21,7 @@
 #include "X86InstrInfo.h"
 #include "X86JITInfo.h"
 #include "X86Subtarget.h"
+#include "X86TargetAsmInfo.h"
 #include "X86ISelLowering.h"
 
 namespace llvm {
@@ -50,6 +51,9 @@
   static unsigned getModuleMatchQuality(const Module &M);
   static unsigned getJITMatchQuality();
   
+  virtual const TargetAsmInfo *createTargetAsmInfo() const {
+    return static_cast<const TargetAsmInfo *>(new X86TargetAsmInfo(*this));
+  }
   
   // Set up the pass pipeline.
   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);