Reverting the commit 116986. It was breaking the build on llvm-x86_64-linux though it

compiles on OS X. I'll ensure that it builds on a linux machine before committing
again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116991 91177308-0d34-0410-b5e6-96231b3b80d8

29 files changed, 603 insertions, 1833 deletions

diff --git a/lib/Target/MBlaze/AsmPrinter/CMakeLists.txt b/lib/Target/MBlaze/AsmPrinter/CMakeLists.txt
new file mode 100644
index 0000000000..fac2c1959d
--- /dev/null
+++ b/lib/Target/MBlaze/AsmPrinter/CMakeLists.txt
@@ -0,0 +1,9 @@
+include_directories(
+  ${CMAKE_CURRENT_BINARY_DIR}/..
+  ${CMAKE_CURRENT_SOURCE_DIR}/..
+  )
+
+add_llvm_library(LLVMMBlazeAsmPrinter
+  MBlazeAsmPrinter.cpp
+  )
+add_dependencies(LLVMMBlazeAsmPrinter MBlazeCodeGenTable_gen)
diff --git a/lib/Target/MBlaze/MBlazeAsmPrinter.cpp b/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp
index c1ae4502ad..f4b30ad271 100644
--- a/lib/Target/MBlaze/MBlazeAsmPrinter.cpp
+++ b/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp
@@ -19,8 +19,6 @@
 #include "MBlazeInstrInfo.h"
 #include "MBlazeTargetMachine.h"
 #include "MBlazeMachineFunction.h"
-#include "MBlazeMCInstLower.h"
-#include "InstPrinter/MBlazeInstPrinter.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Module.h"
@@ -29,7 +27,6 @@
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCSymbol.h"
@@ -72,15 +69,22 @@ namespace {
 
     void emitFrameDirective();
 
-    void EmitInstruction(const MachineInstr *MI); 
+    void printInstruction(const MachineInstr *MI, raw_ostream &O);
+    void EmitInstruction(const MachineInstr *MI) { 
+      SmallString<128> Str;
+      raw_svector_ostream OS(Str);
+      printInstruction(MI, OS);
+      OutStreamer.EmitRawText(OS.str());
+    }
     virtual void EmitFunctionBodyStart();
     virtual void EmitFunctionBodyEnd();
+    static const char *getRegisterName(unsigned RegNo);
 
     virtual void EmitFunctionEntryLabel();
   };
 } // end of anonymous namespace
 
-// #include "MBlazeGenAsmWriter.inc"
+#include "MBlazeGenAsmWriter.inc"
 
 //===----------------------------------------------------------------------===//
 //
@@ -114,15 +118,6 @@ namespace {
 //===----------------------------------------------------------------------===//
 
 //===----------------------------------------------------------------------===//
-void MBlazeAsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  MBlazeMCInstLower MCInstLowering(OutContext, *Mang, *this);
-
-  MCInst TmpInst;
-  MCInstLowering.Lower(MI, TmpInst);
-  OutStreamer.EmitInstruction(TmpInst);
-}
-
-//===----------------------------------------------------------------------===//
 // Mask directives
 //===----------------------------------------------------------------------===//
 
@@ -173,41 +168,38 @@ void MBlazeAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
 
 /// Frame Directive
 void MBlazeAsmPrinter::emitFrameDirective() {
-  // const TargetRegisterInfo &RI = *TM.getRegisterInfo();
+  const TargetRegisterInfo &RI = *TM.getRegisterInfo();
 
-  // unsigned stackReg  = RI.getFrameRegister(*MF);
-  // unsigned returnReg = RI.getRARegister();
-  // unsigned stackSize = MF->getFrameInfo()->getStackSize();
+  unsigned stackReg  = RI.getFrameRegister(*MF);
+  unsigned returnReg = RI.getRARegister();
+  unsigned stackSize = MF->getFrameInfo()->getStackSize();
 
 
-  /*
-  OutStreamer.EmitRawText("\t.frame\t" + 
-                          Twine(MBlazeInstPrinter::getRegisterName(stackReg)) +
+  OutStreamer.EmitRawText("\t.frame\t" + Twine(getRegisterName(stackReg)) +
                           "," + Twine(stackSize) + "," +
-                          Twine(MBlazeInstPrinter::getRegisterName(returnReg)));
-  */
+                          Twine(getRegisterName(returnReg)));
 }
 
 void MBlazeAsmPrinter::EmitFunctionEntryLabel() {
-  // OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
+  OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
   OutStreamer.EmitLabel(CurrentFnSym);
 }
 
 /// EmitFunctionBodyStart - Targets can override this to emit stuff before
 /// the first basic block in the function.
 void MBlazeAsmPrinter::EmitFunctionBodyStart() {
-  // emitFrameDirective();
+  emitFrameDirective();
   
-  // SmallString<128> Str;
-  // raw_svector_ostream OS(Str);
-  // printSavedRegsBitmask(OS);
-  // OutStreamer.EmitRawText(OS.str());
+  SmallString<128> Str;
+  raw_svector_ostream OS(Str);
+  printSavedRegsBitmask(OS);
+  OutStreamer.EmitRawText(OS.str());
 }
 
 /// EmitFunctionBodyEnd - Targets can override this to emit stuff after
 /// the last basic block in the function.
 void MBlazeAsmPrinter::EmitFunctionBodyEnd() {
-  // OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
+  OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
 }
 
 // Print out an operand for an inline asm expression.
@@ -228,7 +220,7 @@ void MBlazeAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
 
   switch (MO.getType()) {
   case MachineOperand::MO_Register:
-    O << MBlazeInstPrinter::getRegisterName(MO.getReg());
+    O << getRegisterName(MO.getReg());
     break;
 
   case MachineOperand::MO_Immediate:
@@ -256,7 +248,7 @@ void MBlazeAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
 
   case MachineOperand::MO_JumpTableIndex:
     O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
-      << '_' << MO.getIndex();
+    << '_' << MO.getIndex();
     break;
 
   case MachineOperand::MO_ConstantPoolIndex:
@@ -297,18 +289,7 @@ printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
   printOperand(MI, opNum, O);
 }
 
-static MCInstPrinter *createMBlazeMCInstPrinter(const Target &T,
-                                                unsigned SyntaxVariant,
-                                                const MCAsmInfo &MAI) {
-  if (SyntaxVariant == 0)
-    return new MBlazeInstPrinter(MAI);
-  return 0;
-}
-
 // Force static initialization.
 extern "C" void LLVMInitializeMBlazeAsmPrinter() {
   RegisterAsmPrinter<MBlazeAsmPrinter> X(TheMBlazeTarget);
-  TargetRegistry::RegisterMCInstPrinter(TheMBlazeTarget,
-                                        createMBlazeMCInstPrinter);
-
 }
diff --git a/lib/Target/MBlaze/InstPrinter/Makefile b/lib/Target/MBlaze/AsmPrinter/Makefile
index 9fb6e869d9..c44651cc93 100644
--- a/lib/Target/MBlaze/InstPrinter/Makefile
+++ b/lib/Target/MBlaze/AsmPrinter/Makefile
@@ -6,11 +6,12 @@
 # License. See LICENSE.TXT for details.
 #
 ##===----------------------------------------------------------------------===##
+
 LEVEL = ../../../..
 LIBRARYNAME = LLVMMBlazeAsmPrinter
 
 # Hack: we need to include 'main' MBlaze target directory to grab
-#       private headers
+# private headers
 CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
 
 include $(LEVEL)/Makefile.common
diff --git a/lib/Target/MBlaze/CMakeLists.txt b/lib/Target/MBlaze/CMakeLists.txt
index eb5906e1e7..7b470eec2b 100644
--- a/lib/Target/MBlaze/CMakeLists.txt
+++ b/lib/Target/MBlaze/CMakeLists.txt
@@ -5,7 +5,6 @@ tablegen(MBlazeGenRegisterNames.inc -gen-register-enums)
 tablegen(MBlazeGenRegisterInfo.inc -gen-register-desc)
 tablegen(MBlazeGenInstrNames.inc -gen-instr-enums)
 tablegen(MBlazeGenInstrInfo.inc -gen-instr-desc)
-tablegen(MBlazeGenCodeEmitter.inc -gen-emitter)
 tablegen(MBlazeGenAsmWriter.inc -gen-asm-writer)
 tablegen(MBlazeGenDAGISel.inc -gen-dag-isel)
 tablegen(MBlazeGenCallingConv.inc -gen-callingconv)
@@ -24,9 +23,4 @@ add_llvm_target(MBlazeCodeGen
   MBlazeTargetObjectFile.cpp
   MBlazeIntrinsicInfo.cpp
   MBlazeSelectionDAGInfo.cpp
-  MBlazeAsmPrinter.cpp
-  MBlazeAsmBackend.cpp
-  MBlazeMCInstLower.cpp
-  MBlazeELFWriterInfo.cpp
-  MBlazeMCCodeEmitter.cpp
   )
diff --git a/lib/Target/MBlaze/InstPrinter/CMakeLists.txt b/lib/Target/MBlaze/InstPrinter/CMakeLists.txt
deleted file mode 100644
index 242a573036..0000000000
--- a/lib/Target/MBlaze/InstPrinter/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. 
-                     ${CMAKE_CURRENT_SOURCE_DIR}/.. )
-
-add_llvm_library(LLVMMBlazeAsmPrinter
-    MBlazeInstPrinter.cpp
-  )
-
-add_dependencies(LLVMMBlazeAsmPrinter MBlazeCodeGenTable_gen)
diff --git a/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.cpp b/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.cpp
deleted file mode 100644
index 4c59b549ee..0000000000
--- a/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-//===-- MBlazeInstPrinter.cpp - Convert MBlaze MCInst to assembly syntax --===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints an MBlaze MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "MBlaze.h"
-#include "MBlazeInstPrinter.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
-using namespace llvm;
-
-
-// Include the auto-generated portion of the assembly writer.
-#include "MBlazeGenAsmWriter.inc"
-
-void MBlazeInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
-  printInstruction(MI, O);
-}
-
-void MBlazeInstPrinter::printPCRelImmOperand(const MCInst *MI, unsigned OpNo,
-                                             raw_ostream &O) {
-  const MCOperand &Op = MI->getOperand(OpNo);
-  if (Op.isImm())
-    O << Op.getImm();
-  else {
-    assert(Op.isExpr() && "unknown pcrel immediate operand");
-    O << *Op.getExpr();
-  }
-}
-
-void MBlazeInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
-                                     raw_ostream &O, const char *Modifier) {
-  assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
-  const MCOperand &Op = MI->getOperand(OpNo);
-  if (Op.isReg()) {
-    O << getRegisterName(Op.getReg());
-  } else if (Op.isImm()) {
-    O << (int32_t)Op.getImm();
-  } else {
-    assert(Op.isExpr() && "unknown operand kind in printOperand");
-    O << *Op.getExpr();
-  }
-}
-
-void MBlazeInstPrinter::printSrcMemOperand(const MCInst *MI, unsigned OpNo,
-                                           raw_ostream &O,
-                                           const char *Modifier) {
-  const MCOperand &Base = MI->getOperand(OpNo);
-  const MCOperand &Disp = MI->getOperand(OpNo+1);
-
-  // Print displacement first
-
-  // If the global address expression is a part of displacement field with a
-  // register base, we should not emit any prefix symbol here, e.g.
-  //   mov.w &foo, r1
-  // vs
-  //   mov.w glb(r1), r2
-  // Otherwise (!) msp430-as will silently miscompile the output :(
-  if (!Base.getReg())
-    O << '&';
-
-  if (Disp.isExpr())
-    O << *Disp.getExpr();
-  else {
-    assert(Disp.isImm() && "Expected immediate in displacement field");
-    O << Disp.getImm();
-  }
-
-  // Print register base field
-  if (Base.getReg())
-    O << getRegisterName(Base.getReg());
-}
-
-void MBlazeInstPrinter::printFSLImm(const MCInst *MI, int OpNo,
-                                    raw_ostream &O) {
-  const MCOperand &MO = MI->getOperand(OpNo);
-  if (MO.isImm())
-    O << "rfsl" << MO.getImm();
-  else
-    printOperand(MI, OpNo, O, NULL);
-}
-
-void MBlazeInstPrinter::printUnsignedImm(const MCInst *MI, int OpNo,
-                                        raw_ostream &O) {
-  const MCOperand &MO = MI->getOperand(OpNo);
-  if (MO.isImm())
-    O << MO.getImm();
-  else
-    printOperand(MI, OpNo, O, NULL);
-}
-
-void MBlazeInstPrinter::printMemOperand(const MCInst *MI, int OpNo,
-                                        raw_ostream &O, const char *Modifier ) {
-  printOperand(MI, OpNo+1, O, NULL);
-  O << ", ";
-  printOperand(MI, OpNo, O, NULL);
-}
-
-/*
-void MBlazeInstPrinter::printCCOperand(const MCInst *MI, unsigned OpNo,
-                                       raw_ostream &O) {
-  unsigned CC = MI->getOperand(OpNo).getImm();
-
-  switch (CC) {
-  default:
-   llvm_unreachable("Unsupported CC code");
-   break;
-  case MBlazeCC::COND_E:
-   O << "eq";
-   break;
-  case MBlazeCC::COND_NE:
-   O << "ne";
-   break;
-  case MBlazeCC::COND_HS:
-   O << "hs";
-   break;
-  case MBlazeCC::COND_LO:
-   O << "lo";
-   break;
-  case MBlazeCC::COND_GE:
-   O << "ge";
-   break;
-  case MBlazeCC::COND_L:
-   O << 'l';
-   break;
-  }
-}
-*/
diff --git a/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.h b/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.h
deleted file mode 100644
index 2b80689eaf..0000000000
--- a/lib/Target/MBlaze/InstPrinter/MBlazeInstPrinter.h
+++ /dev/null
@@ -1,46 +0,0 @@
-//===-- MBLazeInstPrinter.h - Convert MBlaze MCInst to assembly syntax ----===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints a MBlaze MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef MBLAZEINSTPRINTER_H
-#define MBLAZEINSTPRINTER_H
-
-#include "llvm/MC/MCInstPrinter.h"
-
-namespace llvm {
-  class MCOperand;
-
-  class MBlazeInstPrinter : public MCInstPrinter {
-  public:
-    MBlazeInstPrinter(const MCAsmInfo &MAI) : MCInstPrinter(MAI) {
-    }
-
-    virtual void printInst(const MCInst *MI, raw_ostream &O);
-
-    // Autogenerated by tblgen.
-    void printInstruction(const MCInst *MI, raw_ostream &O);
-    static const char *getRegisterName(unsigned RegNo);
-    static const char *getInstructionName(unsigned Opcode);
-
-    void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
-                      const char *Modifier = 0);
-    void printPCRelImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
-    void printSrcMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
-                            const char *Modifier = 0);
-    void printFSLImm(const MCInst *MI, int OpNo, raw_ostream &O);
-    void printUnsignedImm(const MCInst *MI, int OpNo, raw_ostream &O);
-    void printMemOperand(const MCInst *MI, int OpNo,raw_ostream &O,
-                         const char *Modifier = 0);
-  };
-}
-
-#endif
diff --git a/lib/Target/MBlaze/MBlaze.h b/lib/Target/MBlaze/MBlaze.h
index 00c73f06fe..f9d828b266 100644
--- a/lib/Target/MBlaze/MBlaze.h
+++ b/lib/Target/MBlaze/MBlaze.h
@@ -21,16 +21,8 @@ namespace llvm {
   class MBlazeTargetMachine;
   class FunctionPass;
   class MachineCodeEmitter;
-  class MCCodeEmitter;
-  class TargetAsmBackend;
   class formatted_raw_ostream;
 
-  MCCodeEmitter *createMBlazeMCCodeEmitter(const Target &,
-                                           TargetMachine &TM,
-                                           MCContext &Ctx);
-
-  TargetAsmBackend *createMBlazeAsmBackend(const Target &, const std::string &);
-
   FunctionPass *createMBlazeISelDag(MBlazeTargetMachine &TM);
   FunctionPass *createMBlazeDelaySlotFillerPass(MBlazeTargetMachine &TM);
 
diff --git a/lib/Target/MBlaze/MBlaze.td b/lib/Target/MBlaze/MBlaze.td
index 1fa1e4dd57..3815b6d0a3 100644
--- a/lib/Target/MBlaze/MBlaze.td
+++ b/lib/Target/MBlaze/MBlaze.td
@@ -32,35 +32,35 @@ def MBlazeInstrInfo : InstrInfo;
 //===----------------------------------------------------------------------===//
 
 def FeaturePipe3       : SubtargetFeature<"pipe3", "HasPipe3", "true",
-                                "Implements 3-stage pipeline">;
+                                "Implements 3-stage pipeline.">;
 def FeatureBarrel      : SubtargetFeature<"barrel", "HasBarrel", "true",
-                                "Implements barrel shifter">;
+                                "Implements barrel shifter.">;
 def FeatureDiv         : SubtargetFeature<"div", "HasDiv", "true",
-                                "Implements hardware divider">;
+                                "Implements hardware divider.">;
 def FeatureMul         : SubtargetFeature<"mul", "HasMul", "true",
-                                "Implements hardware multiplier">;
+                                "Implements hardware multiplier.">;
 def FeatureFSL         : SubtargetFeature<"fsl", "HasFSL", "true",
-                                "Implements FSL instructions">;
+                                "Implements FSL instructions.">;
 def FeatureEFSL        : SubtargetFeature<"efsl", "HasEFSL", "true",
-                                "Implements extended FSL instructions">;
+                                "Implements extended FSL instructions.">;
 def FeatureMSRSet      : SubtargetFeature<"msrset", "HasMSRSet", "true",
-                                "Implements MSR register set and clear">;
+                                "Implements MSR register set and clear.">;
 def FeatureException   : SubtargetFeature<"exception", "HasException", "true",
-                                "Implements hardware exception support">;
+                                "Implements hardware exception support.">;
 def FeaturePatCmp      : SubtargetFeature<"patcmp", "HasPatCmp", "true",
-                                "Implements pattern compare instruction">;
+                                "Implements pattern compare instruction.">;
 def FeatureFPU         : SubtargetFeature<"fpu", "HasFPU", "true",
-                                "Implements floating point unit">;
+                                "Implements floating point unit.">;
 def FeatureESR         : SubtargetFeature<"esr", "HasESR", "true",
                                 "Implements ESR and EAR registers">;
 def FeaturePVR         : SubtargetFeature<"pvr", "HasPVR", "true",
-                                "Implements processor version register">;
+                                "Implements processor version register.">;
 def FeatureMul64       : SubtargetFeature<"mul64", "HasMul64", "true",
                                 "Implements multiplier with 64-bit result">;
 def FeatureSqrt        : SubtargetFeature<"sqrt", "HasSqrt", "true",
-                                "Implements sqrt and floating point convert">;
+                                "Implements sqrt and floating point convert.">;
 def FeatureMMU         : SubtargetFeature<"mmu", "HasMMU", "true",
-                                "Implements memory management unit">;
+                                "Implements memory management unit.">;
 
 //===----------------------------------------------------------------------===//
 // MBlaze processors supported.
@@ -69,26 +69,13 @@ def FeatureMMU         : SubtargetFeature<"mmu", "HasMMU", "true",
 class Proc<string Name, list<SubtargetFeature> Features>
  : Processor<Name, MBlazeGenericItineraries, Features>;
 
+
 def : Proc<"v400", []>;
 def : Proc<"v500", []>;
 def : Proc<"v600", []>;
 def : Proc<"v700", []>;
 def : Proc<"v710", []>;
 
-//===----------------------------------------------------------------------===//
-// Instruction Descriptions
-//===----------------------------------------------------------------------===//
-
-def MBlazeAsmWriter : AsmWriter {
-  string AsmWriterClassName  = "InstPrinter";
-  bit isMCAsmWriter = 1;
-}
-
-//===----------------------------------------------------------------------===//
-// Target Declaration
-//===----------------------------------------------------------------------===//
-
 def MBlaze : Target {
   let InstructionSet = MBlazeInstrInfo;
-  let AssemblyWriters = [MBlazeAsmWriter];
 }
diff --git a/lib/Target/MBlaze/MBlazeAsmBackend.cpp b/lib/Target/MBlaze/MBlazeAsmBackend.cpp
deleted file mode 100644
index 7e11f7371e..0000000000
--- a/lib/Target/MBlaze/MBlazeAsmBackend.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-//===-- MBlazeAsmBackend.cpp - MBlaze Assembler Backend -------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Target/TargetAsmBackend.h"
-#include "MBlaze.h"
-#include "MBlazeFixupKinds.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/MC/ELFObjectWriter.h"
-#include "llvm/MC/MCAssembler.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCObjectFormat.h"
-#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSectionMachO.h"
-#include "llvm/MC/MachObjectWriter.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetAsmBackend.h"
-using namespace llvm;
-
-static unsigned getFixupKindSize(unsigned Kind) {
-  switch (Kind) {
-  default: assert(0 && "invalid fixup kind!");
-  case FK_Data_1: return 1;
-  case MBlaze::reloc_pcrel_2byte:
-  case FK_Data_2: return 2;
-  case MBlaze::reloc_pcrel_4byte:
-  case FK_Data_4: return 4;
-  case FK_Data_8: return 8;
-  }
-}
-
-
-namespace {
-class MBlazeAsmBackend : public TargetAsmBackend {
-public:
-  MBlazeAsmBackend(const Target &T)
-    : TargetAsmBackend(T) {
-  }
-
-  bool MayNeedRelaxation(const MCInst &Inst) const;
-
-  void RelaxInstruction(const MCInst &Inst, MCInst &Res) const;
-
-  bool WriteNopData(uint64_t Count, MCObjectWriter *OW) const;
-
-  unsigned getPointerSize() const {
-    return 4;
-  }
-};
-
-bool MBlazeAsmBackend::MayNeedRelaxation(const MCInst &Inst) const {
-  return false;
-}
-
-void MBlazeAsmBackend::RelaxInstruction(const MCInst &Inst, MCInst &Res) const {
-  assert(0 && "MBlazeAsmBackend::RelaxInstruction() unimplemented");
-  return;
-}
-
-bool MBlazeAsmBackend::WriteNopData(uint64_t Count, MCObjectWriter *OW) const {
-  if ((Count % 4) != 0)
-    return false;
-
-  for (uint64_t i = 0; i < Count; i += 4 )
-      OW->Write32( 0x00000000 );
-
-  return true;
-}
-} // end anonymous namespace
-
-namespace {
-// FIXME: This should be in a separate file.
-// ELF is an ELF of course...
-class ELFMBlazeAsmBackend : public MBlazeAsmBackend {
-  MCELFObjectFormat Format;
-
-public:
-  Triple::OSType OSType;
-  ELFMBlazeAsmBackend(const Target &T, Triple::OSType _OSType)
-    : MBlazeAsmBackend(T), OSType(_OSType) {
-    HasScatteredSymbols = true;
-  }
-
-  virtual const MCObjectFormat &getObjectFormat() const {
-    return Format;
-  }
-
-
-  void ApplyFixup(const MCFixup &Fixup, MCDataFragment &DF,
-                  uint64_t Value) const;
-
-  bool isVirtualSection(const MCSection &Section) const {
-    const MCSectionELF &SE = static_cast<const MCSectionELF&>(Section);
-    return SE.getType() == MCSectionELF::SHT_NOBITS;
-  }
-
-  MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
-    return new ELFObjectWriter(OS, /*Is64Bit=*/false,
-                               OSType,
-                               /*IsLittleEndian=*/false,
-                               /*HasRelocationAddend=*/true);
-  }
-};
-
-void ELFMBlazeAsmBackend::ApplyFixup(const MCFixup &Fixup, MCDataFragment &DF,
-                                     uint64_t Value) const {
-  unsigned Size = getFixupKindSize(Fixup.getKind());
-            
-  assert(Fixup.getOffset() + Size <= DF.getContents().size() &&
-         "Invalid fixup offset!");
-
-  char *data = DF.getContents().data() + Fixup.getOffset();
-  switch (Size) {
-  default: llvm_unreachable( "Cannot fixup unknown value." );
-  case 1:  llvm_unreachable( "Cannot fixup 1 byte value." );
-  case 8:  llvm_unreachable( "Cannot fixup 8 byte value." );
-
-  case 4: 
-    *(data+7) = uint8_t(Value);
-    *(data+6) = uint8_t(Value >> 8);
-    *(data+3) = uint8_t(Value >> 16);
-    *(data+2) = uint8_t(Value >> 24);
-    break;
-
-  case 2:
-    *(data+3) = uint8_t(Value >> 0);
-    *(data+2) = uint8_t(Value >> 8);
-  }
-}
-} // end anonymous namespace
-
-TargetAsmBackend *llvm::createMBlazeAsmBackend(const Target &T,
-                                            const std::string &TT) {
-  switch (Triple(TT).getOS()) {
-  case Triple::Darwin:
-    assert(0 && "Mac not supported on MBlaze");
-  case Triple::MinGW32:
-  case Triple::Cygwin:
-  case Triple::Win32:
-    assert(0 && "Windows not supported on MBlaze");
-  default:
-    return new ELFMBlazeAsmBackend(T, Triple(TT).getOS());
-  }
-}
diff --git a/lib/Target/MBlaze/MBlazeDelaySlotFiller.cpp b/lib/Target/MBlaze/MBlazeDelaySlotFiller.cpp
index be9de6d5a2..b551b79b29 100644
--- a/lib/Target/MBlaze/MBlazeDelaySlotFiller.cpp
+++ b/lib/Target/MBlaze/MBlazeDelaySlotFiller.cpp
@@ -19,10 +19,6 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -55,91 +51,6 @@ namespace {
   char Filler::ID = 0;
 } // end of anonymous namespace
 
-static bool hasImmInstruction( MachineBasicBlock::iterator &candidate ) {
-    // Any instruction with an immediate mode operand greater than
-    // 16-bits requires an implicit IMM instruction.
-    unsigned numOper = candidate->getNumOperands();
-    for( unsigned op = 0; op < numOper; ++op ) {
-        if( candidate->getOperand(op).isImm() &&
-            (candidate->getOperand(op).getImm() & 0xFFFFFFFFFFFF0000LL) != 0 )
-            return true;
-
-        // FIXME: we could probably check to see if the FP value happens
-        //        to not need an IMM instruction. For now we just always
-        //        assume that FP values always do.
-        if( candidate->getOperand(op).isFPImm() )
-            return true;
-    }
-
-    return false;
-}
-
-static bool delayHasHazard( MachineBasicBlock::iterator &candidate,
-                            MachineBasicBlock::iterator &slot ) {
-
-    // Loop over all of the operands in the branch instruction
-    // and make sure that none of them are defined by the
-    // candidate instruction.
-    unsigned numOper = slot->getNumOperands();
-    for( unsigned op = 0; op < numOper; ++op ) {
-        if( !slot->getOperand(op).isReg() || 
-            !slot->getOperand(op).isUse() ||
-            slot->getOperand(op).isImplicit() )
-            continue;
-
-        unsigned cnumOper = ca