Renamed PPC32AsmPrinter.cpp => PowerPCAsmPrinter.cpp as the Darwin and AIX asm

printers are now unified into one file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16173 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 710 deletions

diff --git a/lib/Target/PowerPC/PPC32AsmPrinter.cpp b/lib/Target/PowerPC/PPC32AsmPrinter.cpp
deleted file mode 100644
index b0503d2a2d..0000000000
--- a/lib/Target/PowerPC/PPC32AsmPrinter.cpp
+++ /dev/null
@@ -1,710 +0,0 @@
-//===-- PowerPCAsmPrinter.cpp - Print machine instrs to PowerPC assembly --===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to PowerPC assembly language. This printer is
-// the output mechanism used by `llc'.
-//
-// Documentation at http://developer.apple.com/documentation/DeveloperTools/
-// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asmprinter"
-#include "PowerPC.h"
-#include "PowerPCTargetMachine.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include <set>
-using namespace llvm;
-
-namespace {
-  Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
-
-  struct PPC32AsmPrinter : public AsmPrinter {
-    std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
-    std::set<std::string> Strings;
-    
-    PPC32AsmPrinter(std::ostream &O, TargetMachine &TM)
-      : AsmPrinter(O, TM), LabelNumber(0) {}
-
-    /// Unique incrementer for label values for referencing Global values.
-    ///
-    unsigned LabelNumber;
-  
-    virtual const char *getPassName() const {
-      return "PowerPC Assembly Printer";
-    }
-
-    PowerPCTargetMachine &getTM() {
-      return static_cast<PowerPCTargetMachine&>(TM);
-    }
-
-    /// printInstruction - This method is automatically generated by tablegen
-    /// from the instruction set description.  This method returns true if the
-    /// machine instruction was sufficiently described to print it, otherwise it
-    /// returns false.
-    bool printInstruction(const MachineInstr *MI);
-
-    void printMachineInstruction(const MachineInstr *MI);
-    void printOp(const MachineOperand &MO, bool LoadAddrOp = false);
-
-    void printOperand(const MachineInstr *MI, unsigned OpNo, MVT::ValueType VT){
-      const MachineOperand &MO = MI->getOperand(OpNo);
-      if (MO.getType() == MachineOperand::MO_MachineRegister) {
-        assert(MRegisterInfo::isPhysicalRegister(MO.getReg())&&"Not physreg??");
-        O << LowercaseString(TM.getRegisterInfo()->get(MO.getReg()).Name);
-      } else if (MO.isImmediate()) {
-        O << MO.getImmedValue();
-      } else {
-        printOp(MO);
-      }
-    }
-
-    void printU5ImmOperand(const MachineInstr *MI, unsigned OpNo,
-                            MVT::ValueType VT) {
-      unsigned char value = MI->getOperand(OpNo).getImmedValue();
-      assert(value <= 31 && "Invalid u5imm argument!");
-      O << (unsigned int)value;
-    }
-    void printU6ImmOperand(const MachineInstr *MI, unsigned OpNo,
-                            MVT::ValueType VT) {
-      unsigned char value = MI->getOperand(OpNo).getImmedValue();
-      assert(value <= 63 && "Invalid u6imm argument!");
-      O << (unsigned int)value;
-    }
-    void printS16ImmOperand(const MachineInstr *MI, unsigned OpNo,
-                            MVT::ValueType VT) {
-      O << (short)MI->getOperand(OpNo).getImmedValue();
-    }
-    void printU16ImmOperand(const MachineInstr *MI, unsigned OpNo,
-                            MVT::ValueType VT) {
-      O << (unsigned short)MI->getOperand(OpNo).getImmedValue();
-    }
-    void printBranchOperand(const MachineInstr *MI, unsigned OpNo,
-                          MVT::ValueType VT) {
-      
-      // Branches can take an immediate operand.  This is used by the branch
-      // selection pass to print $+8, an eight byte displacement from the PC.
-      if (MI->getOperand(OpNo).isImmediate()) {
-        O << "$+" << MI->getOperand(OpNo).getImmedValue() << '\n';
-      } else {
-        printOp(MI->getOperand(OpNo));
-      }
-    }
-    void printPICLabel(const MachineInstr *MI, unsigned OpNo,
-                         MVT::ValueType VT) {
-      // FIXME: should probably be converted to cout.width and cout.fill
-      O << "\"L0000" << LabelNumber << "$pb\"\n";
-      O << "\"L0000" << LabelNumber << "$pb\":";
-    }
-    void printSymbolHi(const MachineInstr *MI, unsigned OpNo,
-                         MVT::ValueType VT) {
-      O << "ha16(";
-      printOp(MI->getOperand(OpNo), true /* LoadAddrOp */);
-      O << "-\"L0000" << LabelNumber << "$pb\")";
-    }
-    void printSymbolLo(const MachineInstr *MI, unsigned OpNo,
-                         MVT::ValueType VT) {
-      // FIXME: Because LFS, LFD, and LWZ can be used either with a s16imm or
-      // a lo16 of a global or constant pool operand, we must handle both here.
-      // this isn't a great design, but it works for now.
-      if (MI->getOperand(OpNo).isImmediate()) {
-        O << (short)MI->getOperand(OpNo).getImmedValue();
-      } else {
-        O << "lo16(";
-        printOp(MI->getOperand(OpNo), true /* LoadAddrOp */);
-        O << "-\"L0000" << LabelNumber << "$pb\")";
-      }
-    }
-  
-    virtual void printConstantPool(MachineConstantPool *MCP) = 0;
-    virtual bool runOnMachineFunction(MachineFunction &F) = 0;    
-    virtual bool doFinalization(Module &M) = 0;
-  };
-  
-  //
-  //
-  struct DarwinAsmPrinter : public PPC32AsmPrinter {
-
-    DarwinAsmPrinter(std::ostream &O, TargetMachine &TM)
-      : PPC32AsmPrinter(O, TM) {
-      CommentString = ";";
-      GlobalPrefix = "_";
-      ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
-      Data64bitsDirective = 0;       // we can't emit a 64-bit unit
-      AlignmentIsInBytes = false;    // Alignment is by power of 2.
-    }
-
-    virtual const char *getPassName() const {
-      return "Darwin PPC Assembly Printer";
-    }
-
-    void printConstantPool(MachineConstantPool *MCP);
-    bool runOnMachineFunction(MachineFunction &F);    
-    bool doFinalization(Module &M);
-  };
-  
-  //
-  //
-  struct AIXAsmPrinter : public PPC32AsmPrinter {
-    /// Map for labels corresponding to global variables
-    ///
-    std::map<const GlobalVariable*,std::string> GVToLabelMap;
-
-    AIXAsmPrinter(std::ostream &O, TargetMachine &TM)
-      : PPC32AsmPrinter(O, TM) {
-      CommentString = "#";
-      GlobalPrefix = "_";
-      ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
-      Data64bitsDirective = 0;       // we can't emit a 64-bit unit
-      AlignmentIsInBytes = false;    // Alignment is by power of 2.
-    }
-    
-    virtual const char *getPassName() const {
-      return "AIX PPC Assembly Printer";
-    }
-
-    void printConstantPool(MachineConstantPool *MCP);
-    bool runOnMachineFunction(MachineFunction &F);    
-    bool doInitialization(Module &M);
-    bool doFinalization(Module &M);
-  };
-} // end of anonymous namespace
-
-// SwitchSection - Switch to the specified section of the executable if we are
-// not already in it!
-//
-static void SwitchSection(std::ostream &OS, std::string &CurSection,
-                          const char *NewSection) {
-  if (CurSection != NewSection) {
-    CurSection = NewSection;
-    if (!CurSection.empty())
-      OS << "\t" << NewSection << "\n";
-  }
-}
-
-/// isStringCompatible - Can we treat the specified array as a string?
-/// Only if it is an array of ubytes or non-negative sbytes.
-///
-static bool isStringCompatible(const ConstantArray *CVA) {
-  const Type *ETy = cast<ArrayType>(CVA->getType())->getElementType();
-  if (ETy == Type::UByteTy) return true;
-  if (ETy != Type::SByteTy) return false;
-
-  for (unsigned i = 0; i < CVA->getNumOperands(); ++i)
-    if (cast<ConstantSInt>(CVA->getOperand(i))->getValue() < 0)
-      return false;
-
-  return true;
-}
-
-/// toOctal - Convert the low order bits of X into an octal digit.
-///
-static inline char toOctal(int X) {
-  return (X&7)+'0';
-}
-
-// Possible states while outputting ASCII strings
-namespace {
-  enum StringSection {
-    None,
-    Alpha,
-    Numeric
-  };
-}
-
-/// SwitchStringSection - manage the changes required to output bytes as
-/// characters in a string vs. numeric decimal values
-/// 
-static inline void SwitchStringSection(std::ostream &O, StringSection NewSect,
-                                       StringSection &Current) {
-  if (Current == None) {
-    if (NewSect == Alpha)
-      O << "\t.byte \"";
-    else if (NewSect == Numeric)
-      O << "\t.byte ";
-  } else if (Current == Alpha) {
-    if (NewSect == None)
-      O << "\"";
-    else if (NewSect == Numeric) 
-      O << "\"\n"
-        << "\t.byte ";
-  } else if (Current == Numeric) {
-    if (NewSect == Alpha)
-      O << '\n'
-        << "\t.byte \"";
-    else if (NewSect == Numeric)
-      O << ", ";
-  }
-
-  Current = NewSect;
-}
-
-/// getAsCString - Return the specified array as a C compatible
-/// string, only if the predicate isStringCompatible is true.
-///
-static void printAsCString(std::ostream &O, const ConstantArray *CVA) {
-  assert(isStringCompatible(CVA) && "Array is not string compatible!");
-
-  if (CVA->getNumOperands() == 0)
-    return;
-
-  StringSection Current = None;
-  for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) {
-    unsigned char C = cast<ConstantInt>(CVA->getOperand(i))->getRawValue();
-    if (C == '"') {
-      SwitchStringSection(O, Alpha, Current);
-      O << "\"\"";
-    } else if (isprint(C)) {
-      SwitchStringSection(O, Alpha, Current);
-      O << C;
-    } else {
-      SwitchStringSection(O, Numeric, Current);
-      O << utostr((unsigned)C);
-    }
-  }
-  SwitchStringSection(O, None, Current);
-  O << '\n';
-}
-
-/// createDarwinAsmPrinterPass - Returns a pass that prints the PPC assembly 
-/// code for a MachineFunction to the given output stream, in a format that the 
-/// Darwin assembler can deal with.
-///
-FunctionPass *llvm::createDarwinAsmPrinter(std::ostream &o, TargetMachine &tm) {
-  return new DarwinAsmPrinter(o, tm);
-}
-
-/// createAIXAsmPrinterPass - Returns a pass that prints the PPC assembly code
-/// for a MachineFunction to the given output stream, in a format that the 
-/// AIX 5L assembler can deal with.
-///
-FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, TargetMachine &tm) {
-  return new AIXAsmPrinter(o, tm);
-}
-
-// Include the auto-generated portion of the assembly writer
-#include "PowerPCGenAsmWriter.inc"
-
-void PPC32AsmPrinter::printOp(const MachineOperand &MO,
-                              bool LoadAddrOp /* = false */) {
-  const MRegisterInfo &RI = *TM.getRegisterInfo();
-  int new_symbol;
-  
-  switch (MO.getType()) {
-  case MachineOperand::MO_VirtualRegister:
-    if (Value *V = MO.getVRegValueOrNull()) {
-      O << "<" << V->getName() << ">";
-      return;
-    }
-    // FALLTHROUGH
-  case MachineOperand::MO_MachineRegister:
-  case MachineOperand::MO_CCRegister:
-    O << LowercaseString(RI.get(MO.getReg()).Name);
-    return;
-
-  case MachineOperand::MO_SignExtendedImmed:
-  case MachineOperand::MO_UnextendedImmed:
-    std::cerr << "printOp() does not handle immediate values\n";
-    abort();
-    return;
-
-  case MachineOperand::MO_PCRelativeDisp:
-    std::cerr << "Shouldn't use addPCDisp() when building PPC MachineInstrs";
-    abort();
-    return;
-    
-  case MachineOperand::MO_MachineBasicBlock: {
-    MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
-    O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
-      << "_" << MBBOp->getNumber() << "\t; "
-      << MBBOp->getBasicBlock()->getName();
-    return;
-  }
-
-  case MachineOperand::MO_ConstantPoolIndex:
-    O << ".CPI" << CurrentFnName << "_" << MO.getConstantPoolIndex();
-    return;
-
-  case MachineOperand::MO_ExternalSymbol:
-    O << MO.getSymbolName();
-    return;
-
-  case MachineOperand::MO_GlobalAddress: {
-    GlobalValue *GV = MO.getGlobal();
-    std::string Name = Mang->getValueName(GV);
-
-    // Dynamically-resolved functions need a stub for the function.  Be
-    // wary however not to output $stub for external functions whose addresses
-    // are taken.  Those should be emitted as $non_lazy_ptr below.
-    Function *F = dyn_cast<Function>(GV);
-    if (F && F->isExternal() && !LoadAddrOp &&
-        getTM().CalledFunctions.count(F)) {
-      FnStubs.insert(Name);
-      O << "L" << Name << "$stub";
-      return;
-    }
-    
-    // External global variables need a non-lazily-resolved stub
-    if (GV->isExternal() && getTM().AddressTaken.count(GV)) {
-      GVStubs.insert(Name);
-      O << "L" << Name << "$non_lazy_ptr";
-      return;
-    }
-    
-    if (F && LoadAddrOp && getTM().AddressTaken.count(GV)) {
-      LinkOnceStubs.insert(Name);
-      O << "L" << Name << "$non_lazy_ptr";
-      return;
-    }
-            
-    O << Mang->getValueName(GV);
-    return;
-  }
-    
-  default:
-    O << "<unknown operand type: " << MO.getType() << ">";
-    return;
-  }
-}
-
-/// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax to
-/// the current output stream.
-///
-void PPC32AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
-  ++EmittedInsts;
-  if (printInstruction(MI))
-    return; // Printer was automatically generated
-  
-  assert(0 && "Unhandled instruction in asm writer!");
-  abort();
-  return;
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  setupMachineFunction(MF);
-  O << "\n\n";
-
-  // Print out constants referenced by the function
-  printConstantPool(MF.getConstantPool());
-
-  // Print out labels for the function.
-  O << "\t.text\n";
-  emitAlignment(2);
-  O << "\t.globl\t" << CurrentFnName << "\n";
-  O << CurrentFnName << ":\n";
-
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-    // Print a label for the basic block.
-    O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t"
-      << CommentString << " " << I->getBasicBlock()->getName() << "\n";
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-      // Print the assembly for the instruction.
-      O << "\t";
-      printMachineInstruction(II);
-    }
-  }
-  ++LabelNumber;
-
-  // We didn't modify anything.
-  return false;
-}
-
-/// printConstantPool - Print to the current output stream assembly
-/// representations of the constants in the constant pool MCP. This is
-/// used to print out constants which have been "spilled to memory" by
-/// the code generator.
-///
-void DarwinAsmPrinter::printConstantPool(MachineConstantPool *MCP) {
-  const std::vector<Constant*> &CP = MCP->getConstants();
-  const TargetData &TD = TM.getTargetData();
- 
-  if (CP.empty()) return;
-
-  for (unsigned i = 0, e = CP.size(); i != e; ++i) {
-    O << "\t.const\n";
-    emitAlignment(TD.getTypeAlignmentShift(CP[i]->getType()));
-    O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t" << CommentString
-      << *CP[i] << "\n";
-    emitGlobalConstant(CP[i]);
-  }
-}
-
-bool DarwinAsmPrinter::doFinalization(Module &M) {
-  const TargetData &TD = TM.getTargetData();
-  std::string CurSection;
-
-  // Print out module-level global variables here.
-  for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I)
-    if (I->hasInitializer()) {   // External global require no code
-      O << "\n\n";
-      std::string name = Mang->getValueName(I);
-      Constant *C = I->getInitializer();
-      unsigned Size = TD.getTypeSize(C->getType());
-      unsigned Align = TD.getTypeAlignmentShift(C->getType());
-
-      if (C->isNullValue() && /* FIXME: Verify correct */
-          (I->hasInternalLinkage() || I->hasWeakLinkage())) {
-        SwitchSection(O, CurSection, ".data");
-        if (I->hasInternalLinkage())
-          O << ".lcomm " << name << "," << TD.getTypeSize(C->getType())
-            << "," << Align;
-        else 
-          O << ".comm " << name << "," << TD.getTypeSize(C->getType());
-        O << "\t\t; ";
-        WriteAsOperand(O, I, true, true, &M);
-        O << "\n";
-      } else {
-        switch (I->getLinkage()) {
-        case GlobalValue::LinkOnceLinkage:
-          O << ".section __TEXT,__textcoal_nt,coalesced,no_toc\n"
-            << ".weak_definition " << name << '\n'
-            << ".private_extern " << name << '\n'
-            << ".section __DATA,__datacoal_nt,coalesced,no_toc\n";
-          LinkOnceStubs.insert(name);
-          break;  
-        case GlobalValue::WeakLinkage:   // FIXME: Verify correct for weak.
-          // Nonnull linkonce -> weak
-          O << "\t.weak " << name << "\n";
-          SwitchSection(O, CurSection, "");
-          O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n";
-          break;
-        case GlobalValue::AppendingLinkage:
-          // FIXME: appending linkage variables should go into a section of
-          // their name or something.  For now, just emit them as external.
-        case GlobalValue::ExternalLinkage:
-          // If external or appending, declare as a global symbol
-          O << "\t.globl " << name << "\n";
-          // FALL THROUGH
-        case GlobalValue::InternalLinkage:
-          SwitchSection(O, CurSection, ".data");
-          break;
-        }
-
-        emitAlignment(Align);
-        O << name << ":\t\t\t\t; ";
-        WriteAsOperand(O, I, true, true, &M);
-        O << " = ";
-        WriteAsOperand(O, C, false, false, &M);
-        O << "\n";
-        emitGlobalConstant(C);
-      }
-    }
-
-  // Output stubs for dynamically-linked functions
-  for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end(); 
-       i != e; ++i)
-  {
-    O << ".data\n";
-    O << ".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32\n";
-    emitAlignment(2);
-    O << "L" << *i << "$stub:\n";
-    O << "\t.indirect_symbol " << *i << "\n";
-    O << "\tmflr r0\n";
-    O << "\tbcl 20,31,L0$" << *i << "\n";
-    O << "L0$" << *i << ":\n";
-    O << "\tmflr r11\n";
-    O << "\taddis r11,r11,ha16(L" << *i << "$lazy_ptr-L0$" << *i << ")\n";
-    O << "\tmtlr r0\n";
-    O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
-    O << "\tmtctr r12\n";
-    O << "\tbctr\n";
-    O << ".data\n";
-    O << ".lazy_symbol_pointer\n";
-    O << "L" << *i << "$lazy_ptr:\n";
-    O << "\t.indirect_symbol " << *i << "\n";
-    O << "\t.long dyld_stub_binding_helper\n";
-  }
-
-  O << "\n";
-
-  // Output stubs for external global variables
-  if (GVStubs.begin() != GVStubs.end())
-    O << ".data\n.non_lazy_symbol_pointer\n";
-  for (std::set<std::string>::iterator i = GVStubs.begin(), e = GVStubs.end(); 
-       i != e; ++i) {
-    O << "L" << *i << "$non_lazy_ptr:\n";
-    O << "\t.indirect_symbol " << *i << "\n";
-    O << "\t.long\t0\n";
-  }
-  
-  // Output stubs for link-once variables
-  if (LinkOnceStubs.begin() != LinkOnceStubs.end())
-    O << ".data\n.align 2\n";
-  for (std::set<std::string>::iterator i = LinkOnceStubs.begin(), 
-         e = LinkOnceStubs.end(); i != e; ++i) {
-    O << "L" << *i << "$non_lazy_ptr:\n"
-      << "\t.long\t" << *i << '\n';
-  }
-  
-  AsmPrinter::doFinalization(M);
-  return false; // success
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool AIXAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  CurrentFnName = MF.getFunction()->getName();
-
-  // Print out constants referenced by the function
-  printConstantPool(MF.getConstantPool());
-
-  // Print out header for the function.
-  O << "\t.csect .text[PR]\n"
-    << "\t.align 2\n"
-    << "\t.globl "  << CurrentFnName << '\n'
-    << "\t.globl ." << CurrentFnName << '\n'
-    << "\t.csect "  << CurrentFnName << "[DS],3\n"
-    << CurrentFnName << ":\n"
-    << "\t.llong ." << CurrentFnName << ", TOC[tc0], 0\n"
-    << "\t.csect .text[PR]\n"
-    << '.' << CurrentFnName << ":\n";
-
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-    // Print a label for the basic block.
-    O << "LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
-      << I->getBasicBlock()->getName() << "\n";
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-      II != E; ++II) {
-      // Print the assembly for the instruction.
-      O << "\t";
-      printMachineInstruction(II);
-    }
-  }
-  ++LabelNumber;
-
-  O << "LT.." << CurrentFnName << ":\n"
-    << "\t.long 0\n"
-    << "\t.byte 0,0,32,65,128,0,0,0\n"
-    << "\t.long LT.." << CurrentFnName << "-." << CurrentFnName << '\n'
-    << "\t.short 3\n"
-    << "\t.byte \"" << CurrentFnName << "\"\n"
-    << "\t.align 2\n";
-
-  // We didn't modify anything.
-  return false;
-}
-
-/// printConstantPool - Print to the current output stream assembly
-/// representations of the constants in the constant pool MCP. This is
-/// used to print out constants which have been "spilled to memory" by
-/// the code generator.
-///
-void AIXAsmPrinter::printConstantPool(MachineConstantPool *MCP) {
-  const std::vector<Constant*> &CP = MCP->getConstants();
-  const TargetData &TD = TM.getTargetData();
- 
-  if (CP.empty()) return;
-
-  for (unsigned i = 0, e = CP.size(); i != e; ++i) {
-    O << "\t.const\n";
-    O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
-      << "\n";
-    O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t;"
-      << *CP[i] << "\n";
-    emitGlobalConstant(CP[i]);
-  }
-}
-
-bool AIXAsmPrinter::doInitialization(Module &M) {
-  const TargetData &TD = TM.getTargetData();
-  std::string CurSection;
-
-  O << "\t.machine \"ppc64\"\n" 
-    << "\t.toc\n"
-    << "\t.csect .text[PR]\n";
-
-  // Print out module-level global variables
-  for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) {
-    if (!I->hasInitializer())
-      continue;
- 
-    std::string Name = I->getName();
-    Constant *C = I->getInitializer();
-    // N.B.: We are defaulting to writable strings
-    if (I->hasExternalLinkage()) { 
-      O << "\t.globl " << Name << '\n'
-        << "\t.csect .data[RW],3\n";
-    } else {
-      O << "\t.csect _global.rw_c[RW],3\n";
-    }
-    O << Name << ":\n";
-    emitGlobalConstant(C);
-  }
-
-  // Output labels for globals
-  if (M.gbegin() != M.gend()) O << "\t.toc\n";
-  for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) {
-    const GlobalVariable *GV = I;
-    // Do not output labels for unused variables
-    if (GV->isExternal() && GV->use_begin() == GV->use_end())
-      continue;
-
-    std::string Name = GV->getName();
-    std::string Label = "LC.." + utostr(LabelNumber++);
-    GVToLabelMap[GV] = Label;
-    O << Label << ":\n"
-      << "\t.tc " << Name << "[TC]," << Name;
-    if (GV->isExternal()) O << "[RW]";
-    O << '\n';
-  }
-
-  Mang = new Mangler(M, ".");
-  return false; // success
-}
-
-bool AIXAsmPrinter::doFinalization(Module &M) {
-  const TargetData &TD = TM.getTargetData();
-  // Print out module-level global variables
-  for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) {
-    if (I->hasInitializer() || I->hasExternalLinkage())
-      continue;
-
-    std::string Name = I->getName();
-    if (I->hasInternalLinkage()) {
-      O << "\t.lcomm " << Name << ",16,_global.bss_c";
-    } else {
-      O << "\t.comm " << Name << "," << TD.getTypeSize(I->getType())
-        << "," << log2((unsigned)TD.getTypeAlignment(I->getType()));
-    }
-    O << "\t\t# ";
-    WriteAsOperand(O, I, true, true, &M);
-    O << "\n";
-  }
-
-  O << "_section_.text:\n"
-    << "\t.csect .data[RW],3\n"
-    << "\t.llong _section_.text\n";
-
-  delete Mang;
-  return false; // success
-}