Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to createMCAsmBackend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136010 91177308-0d34-0410-b5e6-96231b3b80d8

35 files changed, 156 insertions, 170 deletions

diff --git a/include/llvm/MC/TargetAsmBackend.h b/include/llvm/MC/MCAsmBackend.h
index ef52ab582f..4a0cf37a6e 100644
--- a/include/llvm/MC/TargetAsmBackend.h
+++ b/include/llvm/MC/MCAsmBackend.h
@@ -1,4 +1,4 @@
-//===-- llvm/MC/TargetAsmBackend.h - Target Asm Backend ---------*- C++ -*-===//
+//===-- llvm/MC/MCAsmBack.h - MC Asm Backend --------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_MC_TARGETASMBACKEND_H
-#define LLVM_MC_TARGETASMBACKEND_H
+#ifndef LLVM_MC_MCASMBACKEND_H
+#define LLVM_MC_MCASMBACKEND_H
 
 #include "llvm/MC/MCDirectives.h"
 #include "llvm/MC/MCFixup.h"
@@ -25,17 +25,17 @@ template<typename T>
 class SmallVectorImpl;
 class raw_ostream;
 
-/// TargetAsmBackend - Generic interface to target specific assembler backends.
-class TargetAsmBackend {
-  TargetAsmBackend(const TargetAsmBackend &);   // DO NOT IMPLEMENT
-  void operator=(const TargetAsmBackend &);  // DO NOT IMPLEMENT
+/// MCAsmBackend - Generic interface to target specific assembler backends.
+class MCAsmBackend {
+  MCAsmBackend(const MCAsmBackend &);   // DO NOT IMPLEMENT
+  void operator=(const MCAsmBackend &);  // DO NOT IMPLEMENT
 protected: // Can only create subclasses.
-  TargetAsmBackend();
+  MCAsmBackend();
 
   unsigned HasReliableSymbolDifference : 1;
 
 public:
-  virtual ~TargetAsmBackend();
+  virtual ~MCAsmBackend();
 
   /// createObjectWriter - Create a new MCObjectWriter instance for use by the
   /// assembler backend to emit the final object file.
diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index fc919669e8..b8f8cc4cec 100644
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -10,14 +10,14 @@
 #ifndef LLVM_MC_MCASSEMBLER_H
 #define LLVM_MC_MCASSEMBLER_H
 
+#include "llvm/MC/MCFixup.h"
+#include "llvm/MC/MCInst.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/ilist.h"
 #include "llvm/ADT/ilist_node.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/MC/MCFixup.h"
-#include "llvm/MC/MCInst.h"
 #include "llvm/Support/DataTypes.h"
 #include <vector> // FIXME: Shouldn't be needed.
 
@@ -36,7 +36,7 @@ class MCSectionData;
 class MCSymbol;
 class MCSymbolData;
 class MCValue;
-class TargetAsmBackend;
+class MCAsmBackend;
 
 class MCFragment : public ilist_node<MCFragment> {
   friend class MCAsmLayout;
@@ -660,7 +660,7 @@ private:
 
   MCContext &Context;
 
-  TargetAsmBackend &Backend;
+  MCAsmBackend &Backend;
 
   MCCodeEmitter &Emitter;
 
@@ -780,14 +780,14 @@ public:
   // concrete and require clients to pass in a target like object. The other
   // option is to make this abstract, and have targets provide concrete
   // implementations as we do with AsmParser.
-  MCAssembler(MCContext &Context_, TargetAsmBackend &Backend_,
+  MCAssembler(MCContext &Context_, MCAsmBackend &Backend_,
               MCCodeEmitter &Emitter_, MCObjectWriter &Writer_,
               raw_ostream &OS);
   ~MCAssembler();
 
   MCContext &getContext() const { return Context; }
 
-  TargetAsmBackend &getBackend() const { return Backend; }
+  MCAsmBackend &getBackend() const { return Backend; }
 
   MCCodeEmitter &getEmitter() const { return Emitter; }
 
diff --git a/include/llvm/MC/MCObjectStreamer.h b/include/llvm/MC/MCObjectStreamer.h
index a89933b230..f897e64f44 100644
--- a/include/llvm/MC/MCObjectStreamer.h
+++ b/include/llvm/MC/MCObjectStreamer.h
@@ -19,7 +19,7 @@ class MCSectionData;
 class MCExpr;
 class MCFragment;
 class MCDataFragment;
-class TargetAsmBackend;
+class MCAsmBackend;
 class raw_ostream;
 
 /// \brief Streaming object file generation interface.
@@ -36,9 +36,9 @@ class MCObjectStreamer : public MCStreamer {
   virtual void EmitInstToData(const MCInst &Inst) = 0;
 
 protected:
-  MCObjectStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,
                    raw_ostream &_OS, MCCodeEmitter *_Emitter);
-  MCObjectStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,
                    raw_ostream &_OS, MCCodeEmitter *_Emitter,
                    MCAssembler *_Assembler);
   ~MCObjectStreamer();
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index cd13a189bf..a38a5a46e4 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -22,6 +22,7 @@
 #include "llvm/ADT/SmallVector.h"
 
 namespace llvm {
+  class MCAsmBackend;
   class MCAsmInfo;
   class MCCodeEmitter;
   class MCContext;
@@ -31,7 +32,6 @@ namespace llvm {
   class MCSection;
   class MCSymbol;
   class StringRef;
-  class TargetAsmBackend;
   class TargetLoweringObjectFile;
   class Twine;
   class raw_ostream;
@@ -563,14 +563,14 @@ namespace llvm {
                                 bool useCFI,
                                 MCInstPrinter *InstPrint = 0,
                                 MCCodeEmitter *CE = 0,
-                                TargetAsmBackend *TAB = 0,
+                                MCAsmBackend *TAB = 0,
                                 bool ShowInst = false);
 
   /// createMachOStreamer - Create a machine code streamer which will generate
   /// Mach-O format object files.
   ///
   /// Takes ownership of \arg TAB and \arg CE.
-  MCStreamer *createMachOStreamer(MCContext &Ctx, TargetAsmBackend &TAB,
+  MCStreamer *createMachOStreamer(MCContext &Ctx, MCAsmBackend &TAB,
                                   raw_ostream &OS, MCCodeEmitter *CE,
                                   bool RelaxAll = false);
 
@@ -579,13 +579,13 @@ namespace llvm {
   ///
   /// Takes ownership of \arg TAB and \arg CE.
   MCStreamer *createWinCOFFStreamer(MCContext &Ctx,
-                                    TargetAsmBackend &TAB,
+                                    MCAsmBackend &TAB,
                                     MCCodeEmitter &CE, raw_ostream &OS,
                                     bool RelaxAll = false);
 
   /// createELFStreamer - Create a machine code streamer which will generate
   /// ELF format object files.
-  MCStreamer *createELFStreamer(MCContext &Ctx, TargetAsmBackend &TAB,
+  MCStreamer *createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB,
 				raw_ostream &OS, MCCodeEmitter *CE,
 				bool RelaxAll, bool NoExecStack);
 
@@ -599,7 +599,7 @@ namespace llvm {
   /// "pure" MC object files, for use with MC-JIT and testing tools.
   ///
   /// Takes ownership of \arg TAB and \arg CE.
-  MCStreamer *createPureStreamer(MCContext &Ctx, TargetAsmBackend &TAB,
+  MCStreamer *createPureStreamer(MCContext &Ctx, MCAsmBackend &TAB,
                                  raw_ostream &OS, MCCodeEmitter *CE);
 
 } // end namespace llvm
diff --git a/include/llvm/Target/TargetRegistry.h b/include/llvm/Target/TargetRegistry.h
index 85992640ff..8d24c2b2df 100644
--- a/include/llvm/Target/TargetRegistry.h
+++ b/include/llvm/Target/TargetRegistry.h
@@ -39,7 +39,7 @@ namespace llvm {
   class MCStreamer;
   class MCSubtargetInfo;
   class MCCodeGenInfo;
-  class TargetAsmBackend;
+  class MCAsmBackend;
   class TargetAsmLexer;
   class TargetAsmParser;
   class TargetMachine;
@@ -51,7 +51,7 @@ namespace llvm {
                                 bool useLoc, bool useCFI,
                                 MCInstPrinter *InstPrint,
                                 MCCodeEmitter *CE,
-                                TargetAsmBackend *TAB,
+                                MCAsmBackend *TAB,
                                 bool ShowInst);
 
   /// Target - Wrapper for Target specific information.
@@ -86,8 +86,7 @@ namespace llvm {
                                                   CodeModel::Model CM);
     typedef AsmPrinter *(*AsmPrinterCtorTy)(TargetMachine &TM,
                                             MCStreamer &Streamer);
-    typedef TargetAsmBackend *(*AsmBackendCtorTy)(const Target &T,
-                                                  const std::string &TT);
+    typedef MCAsmBackend *(*MCAsmBackendCtorTy)(const Target &T, StringRef TT);
     typedef TargetAsmLexer *(*AsmLexerCtorTy)(const Target &T,
                                               const MCRegisterInfo &MRI,
                                               const MCAsmInfo &MAI);
@@ -103,7 +102,7 @@ namespace llvm {
     typedef MCStreamer *(*ObjectStreamerCtorTy)(const Target &T,
                                                 const std::string &TT,
                                                 MCContext &Ctx,
-                                                TargetAsmBackend &TAB,
+                                                MCAsmBackend &TAB,
                                                 raw_ostream &_OS,
                                                 MCCodeEmitter *_Emitter,
                                                 bool RelaxAll,
@@ -115,7 +114,7 @@ namespace llvm {
                                              bool useCFI,
                                              MCInstPrinter *InstPrint,
                                              MCCodeEmitter *CE,
-                                             TargetAsmBackend *TAB,
+                                             MCAsmBackend *TAB,
                                              bool ShowInst);
 
   private:
@@ -160,9 +159,9 @@ namespace llvm {
     /// TargetMachine, if registered.
     TargetMachineCtorTy TargetMachineCtorFn;
 
-    /// AsmBackendCtorFn - Construction function for this target's
-    /// TargetAsmBackend, if registered.
-    AsmBackendCtorTy AsmBackendCtorFn;
+    /// MCAsmBackendCtorFn - Construction function for this target's
+    /// MCAsmBackend, if registered.
+    MCAsmBackendCtorTy MCAsmBackendCtorFn;
 
     /// AsmLexerCtorFn - Construction function for this target's TargetAsmLexer,
     /// if registered.
@@ -221,8 +220,8 @@ namespace llvm {
     /// hasTargetMachine - Check if this target supports code generation.
     bool hasTargetMachine() const { return TargetMachineCtorFn != 0; }
 
-    /// hasAsmBackend - Check if this target supports .o generation.
-    bool hasAsmBackend() const { return AsmBackendCtorFn != 0; }
+    /// hasMCAsmBackend - Check if this target supports .o generation.
+    bool hasMCAsmBackend() const { return MCAsmBackendCtorFn != 0; }
 
     /// hasAsmLexer - Check if this target supports .s lexing.
     bool hasAsmLexer() const { return AsmLexerCtorFn != 0; }
@@ -322,14 +321,14 @@ namespace llvm {
       return TargetMachineCtorFn(*this, Triple, CPU, Features, RM, CM);
     }
 
-    /// createAsmBackend - Create a target specific assembly parser.
+    /// createMCAsmBackend - Create a target specific assembly parser.
     ///
     /// \arg Triple - The target triple string.
     /// \arg Backend - The target independent assembler object.
-    TargetAsmBackend *createAsmBackend(const std::string &Triple) const {
-      if (!AsmBackendCtorFn)
+    MCAsmBackend *createMCAsmBackend(StringRef Triple) const {
+      if (!MCAsmBackendCtorFn)
         return 0;
-      return AsmBackendCtorFn(*this, Triple);
+      return MCAsmBackendCtorFn(*this, Triple);
     }
 
     /// createAsmLexer - Create a target specific assembly lexer.
@@ -393,7 +392,7 @@ namespace llvm {
     /// \arg RelaxAll - Relax all fixups?
     /// \arg NoExecStack - Mark file as not needing a executable stack.
     MCStreamer *createObjectStreamer(const std::string &TT, MCContext &Ctx,
-                                     TargetAsmBackend &TAB,
+                                     MCAsmBackend &TAB,
                                      raw_ostream &_OS,
                                      MCCodeEmitter *_Emitter,
                                      bool RelaxAll,
@@ -412,7 +411,7 @@ namespace llvm {
                                   bool useCFI,
                                   MCInstPrinter *InstPrint,
                                   MCCodeEmitter *CE,
-                                  TargetAsmBackend *TAB,
+                                  MCAsmBackend *TAB,
                                   bool ShowInst) const {
       // AsmStreamerCtorFn is default to llvm::createAsmStreamer
       return AsmStreamerCtorFn(Ctx, OS, isVerboseAsm, useLoc, useCFI,
@@ -605,7 +604,7 @@ namespace llvm {
         T.TargetMachineCtorFn = Fn;
     }
 
-    /// RegisterAsmBackend - Register a TargetAsmBackend implementation for the
+    /// RegisterMCAsmBackend - Register a MCAsmBackend implementation for the
     /// given target.
     ///
     /// Clients are responsible for ensuring that registration doesn't occur
@@ -614,9 +613,9 @@ namespace llvm {
     ///
     /// @param T - The target being registered.
     /// @param Fn - A function to construct an AsmBackend for the target.
-    static void RegisterAsmBackend(Target &T, Target::AsmBackendCtorTy Fn) {
-      if (!T.AsmBackendCtorFn)
-        T.AsmBackendCtorFn = Fn;
+    static void RegisterMCAsmBackend(Target &T, Target::MCAsmBackendCtorTy Fn) {
+      if (!T.MCAsmBackendCtorFn)
+        T.MCAsmBackendCtorFn = Fn;
     }
 
     /// RegisterAsmLexer - Register a TargetAsmLexer implementation for the
@@ -956,23 +955,22 @@ namespace llvm {
     }
   };
 
-  /// RegisterAsmBackend - Helper template for registering a target specific
+  /// RegisterMCAsmBackend - Helper template for registering a target specific
   /// assembler backend. Usage:
   ///
-  /// extern "C" void LLVMInitializeFooAsmBackend() {
+  /// extern "C" void LLVMInitializeFooMCAsmBackend() {
   ///   extern Target TheFooTarget;
-  ///   RegisterAsmBackend<FooAsmLexer> X(TheFooTarget);
+  ///   RegisterMCAsmBackend<FooAsmLexer> X(TheFooTarget);
   /// }
-  template<class AsmBackendImpl>
-  struct RegisterAsmBackend {
-    RegisterAsmBackend(Target &T) {
-      TargetRegistry::RegisterAsmBackend(T, &Allocator);
+  template<class MCAsmBackendImpl>
+  struct RegisterMCAsmBackend {
+    RegisterMCAsmBackend(Target &T) {
+      TargetRegistry::RegisterMCAsmBackend(T, &Allocator);
     }
 
   private:
-    static TargetAsmBackend *Allocator(const Target &T,
-                                       const std::string &Triple) {
-      return new AsmBackendImpl(T, Triple);
+    static MCAsmBackend *Allocator(const Target &T, StringRef Triple) {
+      return new MCAsmBackendImpl(T, Triple);
     }
   };
 
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 7c62bfdf02..71ebc9181b 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -137,11 +137,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
 
     // Create a code emitter if asked to show the encoding.
     MCCodeEmitter *MCE = 0;
-    TargetAsmBackend *TAB = 0;
+    MCAsmBackend *MAB = 0;
     if (ShowMCEncoding) {
       const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
       MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI, *Context);
-      TAB = getTarget().createAsmBackend(getTargetTriple());
+      MAB = getTarget().createMCAsmBackend(getTargetTriple());
     }
 
     MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
@@ -149,7 +149,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                                   hasMCUseLoc(),
                                                   hasMCUseCFI(),
                                                   InstPrinter,
-                                                  MCE, TAB,
+                                                  MCE, MAB,
                                                   ShowMCInst);
     AsmStreamer.reset(S);
     break;
@@ -160,12 +160,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
     MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI,
                                                        *Context);
-    TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
-    if (MCE == 0 || TAB == 0)
+    MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+    if (MCE == 0 || MAB == 0)
       return true;
 
     AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(),
-                                                       *Context, *TAB, Out, MCE,
+                                                       *Context, *MAB, Out, MCE,
                                                        hasMCRelaxAll(),
                                                        hasMCNoExecStack()));
     AsmStreamer.get()->InitSections();
@@ -237,13 +237,13 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
   // emission fails.
   const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
   MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(),STI, *Ctx);
-  TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
-  if (MCE == 0 || TAB == 0)
+  MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+  if (MCE == 0 || MAB == 0)
     return true;
 
   OwningPtr<MCStreamer> AsmStreamer;
   AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(), *Ctx,
-                                                     *TAB, Out, MCE,
+                                                     *MAB, Out, MCE,
                                                      hasMCRelaxAll(),
                                                      hasMCNoExecStack()));
   AsmStreamer.get()->InitSections();
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 61fd85e5fb..d562ac09b1 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -15,12 +15,12 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmLayout.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCValue.h"
-#include "llvm/MC/TargetAsmBackend.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ELF.h"
diff --git a/lib/MC/TargetAsmBackend.cpp b/lib/MC/MCAsmBackend.cpp
index a3845b40da..2c150f456c 100644
--- a/lib/MC/TargetAsmBackend.cpp
+++ b/lib/MC/MCAsmBackend.cpp
@@ -1,4 +1,4 @@
-//===-- TargetAsmBackend.cpp - Target Assembly Backend ---------------------==//
+//===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,19 +7,19 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 using namespace llvm;
 
-TargetAsmBackend::TargetAsmBackend()
+MCAsmBackend::MCAsmBackend()
   : HasReliableSymbolDifference(false)
 {
 }
 
-TargetAsmBackend::~TargetAsmBackend() {
+MCAsmBackend::~MCAsmBackend() {
 }
 
 const MCFixupKindInfo &
-TargetAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
+MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
   static const MCFixupKindInfo Builtins[] = {
     { "FK_Data_1", 0, 8, 0 },
     { "FK_Data_2", 0, 16, 0 },
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 9c9327ec2e..64d13f863a 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -19,7 +19,7 @@
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
@@ -41,7 +41,7 @@ protected:
 private:
   OwningPtr<MCInstPrinter> InstPrinter;
   OwningPtr<MCCodeEmitter> Emitter;
-  OwningPtr<TargetAsmBackend> AsmBackend;
+  OwningPtr<MCAsmBackend> AsmBackend;
 
   SmallString<128> CommentToEmit;
   raw_svector_ostream CommentStream;
@@ -64,7 +64,7 @@ public:
   MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os,
                 bool isVerboseAsm, bool useLoc, bool useCFI,
                 MCInstPrinter *printer, MCCodeEmitter *emitter,
-                TargetAsmBackend *asmbackend,
+                MCAsmBackend *asmbackend,
                 bool showInst)
     : MCStreamer(Context), OS(os), MAI(Context.getAsmInfo()),
       InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend),
@@ -1262,8 +1262,8 @@ MCStreamer *llvm::createAsmStreamer(MCContext &Context,
                                     formatted_raw_ostream &OS,
                                     bool isVerboseAsm, bool useLoc,
                                     bool useCFI, MCInstPrinter *IP,
-                                    MCCodeEmitter *CE, TargetAsmBackend *TAB,
+                                    MCCodeEmitter *CE, MCAsmBackend *MAB,
                                     bool ShowInst) {
   return new MCAsmStreamer(Context, OS, isVerboseAsm, useLoc, useCFI,
-                           IP, CE, TAB, ShowInst);
+                           IP, CE, MAB, ShowInst);
 }
diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index f9e549718a..b7d774b9b0 100644
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -18,7 +18,7 @@
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
@@ -194,7 +194,7 @@ MCSymbolData::MCSymbolData(const MCSymbol &_Symbol, MCFragment *_Fragment,
 
 /* *** */
 
-MCAssembler::MCAssembler(MCContext &Context_, TargetAsmBackend &Backend_,
+MCAssembler::MCAssembler(MCContext &Context_, MCAsmBackend &Backend_,
                          MCCodeEmitter &Emitter_, MCObjectWriter &Writer_,
                          raw_ostream &OS_)
   : Context(Context_), Backend(Backend_), Emitter(Emitter_), Writer(Writer_),
diff --git a/lib/MC/MCELF.cpp b/lib/MC/MCELF.cpp
index 68f224998f..dad2e7ba98 100644
--- a/lib/MC/MCELF.cpp
+++ b/lib/MC/MCELF.cpp
@@ -15,7 +15,6 @@
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCELFSymbolFlags.h"
 #include "llvm/MC/MCFixupKindInfo.h"
-#include "llvm/MC/TargetAsmBackend.h"
 #include "llvm/Support/ELF.h"
 
 namespace llvm {
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index ea3c1dff66..84eab9d5a9 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -21,7 +21,7 @@
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ELF.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -374,10 +374,10 @@ void MCELFStreamer::Finish() {
   this->MCObjectStreamer::Finish();
 }
 
-MCStreamer *llvm::createELFStreamer(MCContext &Context, TargetAsmBackend &TAB,
+MCStreamer *llvm::createELFStreamer(MCContext &Context, MCAsmBackend &MAB,
                                     raw_ostream &OS, MCCodeEmitter *CE,
                                     bool RelaxAll, bool NoExecStack) {
-  MCELFStreamer *S = new MCELFStreamer(Context, TAB, OS, CE);
+  MCELFStreamer *S = new MCELFStreamer(Context, MAB, OS, CE);
   if (RelaxAll)
     S->getAssembler().setRelaxAll(true);
   if (NoExecStack)
diff --git a/lib/MC/MCELFStreamer.h b/lib/MC/MCELFStreamer.h
index 855e7e9ca6..9b5f3a8bbe 100644
--- a/lib/MC/MCELFStreamer.h
+++ b/lib/MC/MCELFStreamer.h
@@ -25,11 +25,11 @@ namespace llvm {
 
 class MCELFStreamer : public MCObjectStreamer {
 public:
-  MCELFStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                   raw_ostream &OS, MCCodeEmitter *Emitter)
     : MCObjectStreamer(Context, TAB, OS, Emitter) {}
 
-  MCELFStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                 raw_ostream &OS, MCCodeEmitter *Emitter,
                 MCAssembler *Assembler)
     : MCObjectStreamer(Context, TAB, OS, Emitter, Assembler) {}
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 717ca04800..da297fb1d9 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -16,7 +16,6 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
-#include "llvm/MC/TargetAsmBackend.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
diff --git a/lib/MC/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index 2f77519623..9312a49e14 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -20,7 +20,7 @@
 #include "llvm/MC/MCMachOSymbolFlags.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
@@ -34,9 +34,9 @@ private:
   virtual void EmitInstToData(const MCInst &Inst);
 
 public:
-  MCMachOStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCMachOStreamer(MCContext &Context, MCAsmBackend &MAB,
                   raw_ostream &OS, MCCodeEmitter *Emitter)
-    : MCObjectStreamer(Context, TAB, OS, Emitter) {}
+    : MCObjectStreamer(Context, MAB, OS, Emitter) {}
 
   /// @name MCStreamer Interface
   /// @{
@@ -410,10 +410,10 @@ void MCMachOStreamer::Finish() {
   this->MCObjectStreamer::Finish();
 }
 
-MCStreamer *llvm::createMachOStreamer(MCContext &Context, TargetAsmBackend &TAB,
+MCStreamer *llvm::createMachOStreamer(MCContext &Context, MCAsmBackend &MAB,
                                       raw_ostream &OS, MCCodeEmitter *CE,
                                       bool RelaxAll) {
-  MCMachOStreamer *S = new MCMachOStreamer(Context, TAB, OS, CE);
+  MCMachOStreamer *S = new MCMachOStreamer(Context, MAB, OS, CE);
   if (RelaxAll)
     S->getAssembler().setRelaxAll(true);
   return S;
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp
index 755a56d7d4..a04ae0812a 100644
--- a/lib/MC/MCObjectStreamer.cpp
+++ b/lib/MC/MCObjectStreamer.cpp
@@ -17,10 +17,10 @@
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/TargetAsmBackend.h"
+#include "llvm/MC/MCAsmBackend.h"
 using namespace llvm;
 
-MCObjectStreamer::MCObjectStreamer(MCContext &Context, TargetAsmBackend &TAB,
+MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,
                                    raw_ostream &OS, MCCodeEmitter *Emitter_)
   : MCStreamer(Context),