Move all assembler printing related stuff into new libAsmPrinter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54885 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 1509 deletions

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
deleted file mode 100644
index 4d16c7b0f1..0000000000
--- a/lib/CodeGen/AsmPrinter.cpp
+++ /dev/null
@@ -1,1509 +0,0 @@
-//===-- AsmPrinter.cpp - Common AsmPrinter code ---------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the AsmPrinter class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-#include "llvm/CodeGen/GCStrategy.h"
-#include "llvm/CodeGen/GCMetadata.h"
-#include "llvm/CodeGen/GCs.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallString.h"
-#include <cerrno>
-using namespace llvm;
-
-char AsmPrinter::ID = 0;
-AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm,
-                       const TargetAsmInfo *T)
-  : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o),
-    TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
-    IsInTextSection(false)
-{}
-
-AsmPrinter::~AsmPrinter() {
-  for (gcp_iterator I = GCMetadataPrinters.begin(),
-                    E = GCMetadataPrinters.end(); I != E; ++I)
-    delete I->second;
-}
-    
-std::string AsmPrinter::getSectionForFunction(const Function &F) const {
-  return TAI->getTextSection();
-}
-
-
-/// SwitchToTextSection - Switch to the specified text section of the executable
-/// if we are not already in it!
-///
-void AsmPrinter::SwitchToTextSection(const char *NewSection,
-                                     const GlobalValue *GV) {
-  std::string NS;
-  if (GV && GV->hasSection())
-    NS = TAI->getSwitchToSectionDirective() + GV->getSection();
-  else
-    NS = NewSection;
-  
-  // If we're already in this section, we're done.
-  if (CurrentSection == NS) return;
-
-  // Close the current section, if applicable.
-  if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
-    O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
-
-  CurrentSection = NS;
-
-  if (!CurrentSection.empty())
-    O << CurrentSection << TAI->getTextSectionStartSuffix() << '\n';
-
-  IsInTextSection = true;
-}
-
-/// SwitchToDataSection - Switch to the specified data section of the executable
-/// if we are not already in it!
-///
-void AsmPrinter::SwitchToDataSection(const char *NewSection,
-                                     const GlobalValue *GV) {
-  std::string NS;
-  if (GV && GV->hasSection())
-    NS = TAI->getSwitchToSectionDirective() + GV->getSection();
-  else
-    NS = NewSection;
-  
-  // If we're already in this section, we're done.
-  if (CurrentSection == NS) return;
-
-  // Close the current section, if applicable.
-  if (TAI->getSectionEndDirectiveSuffix() && !CurrentSection.empty())
-    O << CurrentSection << TAI->getSectionEndDirectiveSuffix() << '\n';
-
-  CurrentSection = NS;
-  
-  if (!CurrentSection.empty())
-    O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n';
-
-  IsInTextSection = false;
-}
-
-
-void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
-  MachineFunctionPass::getAnalysisUsage(AU);
-  AU.addRequired<CollectorModuleMetadata>();
-}
-
-bool AsmPrinter::doInitialization(Module &M) {
-  Mang = new Mangler(M, TAI->getGlobalPrefix());
-  
-  CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>();
-  assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?");
-  for (CollectorModuleMetadata::iterator I = CMM->begin(),
-                                         E = CMM->end(); I != E; ++I)
-    if (GCMetadataPrinter *GCP = GetOrCreateGCPrinter(*I))
-      GCP->beginAssembly(O, *this, *TAI);
-<<<<<<< HEAD:lib/CodeGen/AsmPrinter.cpp
-=======
-
->>>>>>> Factor out asmprinters from collector interface.:lib/CodeGen/AsmPrinter.cpp
-  
-  if (!M.getModuleInlineAsm().empty())
-    O << TAI->getCommentString() << " Start of file scope inline assembly\n"
-      << M.getModuleInlineAsm()
-      << '\n' << TAI->getCommentString()
-      << " End of file scope inline assembly\n";
-
-  SwitchToDataSection("");   // Reset back to no section.
-  
-  MMI = getAnalysisToUpdate<MachineModuleInfo>();
-  if (MMI) MMI->AnalyzeModule(M);
-  
-  return false;
-}
-
-bool AsmPrinter::doFinalization(Module &M) {
-  if (TAI->getWeakRefDirective()) {
-    if (!ExtWeakSymbols.empty())
-      SwitchToDataSection("");
-
-    for (std::set<const GlobalValue*>::iterator i = ExtWeakSymbols.begin(),
-         e = ExtWeakSymbols.end(); i != e; ++i) {
-      const GlobalValue *GV = *i;
-      std::string Name = Mang->getValueName(GV);
-      O << TAI->getWeakRefDirective() << Name << '\n';
-    }
-  }
-
-  if (TAI->getSetDirective()) {
-    if (!M.alias_empty())
-      SwitchToTextSection(TAI->getTextSection());
-
-    O << '\n';
-    for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
-         I!=E; ++I) {
-      std::string Name = Mang->getValueName(I);
-      std::string Target;
-
-      const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal());
-      Target = Mang->getValueName(GV);
-      
-      if (I->hasExternalLinkage() || !TAI->getWeakRefDirective())
-        O << "\t.globl\t" << Name << '\n';
-      else if (I->hasWeakLinkage())
-        O << TAI->getWeakRefDirective() << Name << '\n';
-      else if (!I->hasInternalLinkage())
-        assert(0 && "Invalid alias linkage");
-
-      if (I->hasHiddenVisibility()) {
-        if (const char *Directive = TAI->getHiddenDirective())
-          O << Directive << Name << '\n';
-      } else if (I->hasProtectedVisibility()) {
-        if (const char *Directive = TAI->getProtectedDirective())
-          O << Directive << Name << '\n';
-      }
-
-      O << TAI->getSetDirective() << ' ' << Name << ", " << Target << '\n';
-
-      // If the aliasee has external weak linkage it can be referenced only by
-      // alias itself. In this case it can be not in ExtWeakSymbols list. Emit
-      // weak reference in such case.
-      if (GV->hasExternalWeakLinkage()) {
-        if (TAI->getWeakRefDirective())
-          O << TAI->getWeakRefDirective() << Target << '\n';
-        else
-          O << "\t.globl\t" << Target << '\n';
-      }
-    }
-  }
-
-  CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>();
-  assert(CMM && "AsmPrinter didn't require CollectorModuleMetadata?");
-  for (CollectorModuleMetadata::iterator I = CMM->end(),
-                                         E = CMM->begin(); I != E; )
-    if (GCMetadataPrinter *GCP = GetOrCreateGCPrinter(*--I))
-      GCP->finishAssembly(O, *this, *TAI);
-
-  // If we don't have any trampolines, then we don't require stack memory
-  // to be executable. Some targets have a directive to declare this.
-  Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
-  if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
-    if (TAI->getNonexecutableStackDirective())
-      O << TAI->getNonexecutableStackDirective() << '\n';
-
-  delete Mang; Mang = 0;
-  return false;
-}
-
-std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) {
-  assert(MF && "No machine function?");
-  std::string Name = MF->getFunction()->getName();
-  if (Name.empty())
-    Name = Mang->getValueName(MF->getFunction());
-  return Mang->makeNameProper(Name + ".eh", TAI->getGlobalPrefix());
-}
-
-void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
-  // What's my mangled name?
-  CurrentFnName = Mang->getValueName(MF.getFunction());
-  IncrementFunctionNumber();
-}
-
-/// EmitConstantPool - 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 AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
-  const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
-  if (CP.empty()) return;
-
-  // Some targets require 4-, 8-, and 16- byte constant literals to be placed
-  // in special sections.
-  std::vector<std::pair<MachineConstantPoolEntry,unsigned> > FourByteCPs;
-  std::vector<std::pair<MachineConstantPoolEntry,unsigned> > EightByteCPs;
-  std::vector<std::pair<MachineConstantPoolEntry,unsigned> > SixteenByteCPs;
-  std::vector<std::pair<MachineConstantPoolEntry,unsigned> > OtherCPs;
-  std::vector<std::pair<MachineConstantPoolEntry,unsigned> > TargetCPs;
-  for (unsigned i = 0, e = CP.size(); i != e; ++i) {
-    MachineConstantPoolEntry CPE = CP[i];
-    const Type *Ty = CPE.getType();
-    if (TAI->getFourByteConstantSection() &&
-        TM.getTargetData()->getABITypeSize(Ty) == 4)
-      FourByteCPs.push_back(std::make_pair(CPE, i));
-    else if (TAI->getEightByteConstantSection() &&
-             TM.getTargetData()->getABITypeSize(Ty) == 8)
-      EightByteCPs.push_back(std::make_pair(CPE, i));
-    else if (TAI->getSixteenByteConstantSection() &&
-             TM.getTargetData()->getABITypeSize(Ty) == 16)
-      SixteenByteCPs.push_back(std::make_pair(CPE, i));
-    else
-      OtherCPs.push_back(std::make_pair(CPE, i));
-  }
-
-  unsigned Alignment = MCP->getConstantPoolAlignment();
-  EmitConstantPool(Alignment, TAI->getFourByteConstantSection(), FourByteCPs);
-  EmitConstantPool(Alignment, TAI->getEightByteConstantSection(), EightByteCPs);
-  EmitConstantPool(Alignment, TAI->getSixteenByteConstantSection(),
-                   SixteenByteCPs);
-  EmitConstantPool(Alignment, TAI->getConstantPoolSection(), OtherCPs);
-}
-
-void AsmPrinter::EmitConstantPool(unsigned Alignment, const char *Section,
-               std::vector<std::pair<MachineConstantPoolEntry,unsigned> > &CP) {
-  if (CP.empty()) return;
-
-  SwitchToDataSection(Section);
-  EmitAlignment(Alignment);
-  for (unsigned i = 0, e = CP.size(); i != e; ++i) {
-    O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
-      << CP[i].second << ":\t\t\t\t\t" << TAI->getCommentString() << ' ';
-    WriteTypeSymbolic(O, CP[i].first.getType(), 0) << '\n';
-    if (CP[i].first.isMachineConstantPoolEntry())
-      EmitMachineConstantPoolValue(CP[i].first.Val.MachineCPVal);
-     else
-      EmitGlobalConstant(CP[i].first.Val.ConstVal);
-    if (i != e-1) {
-      const Type *Ty = CP[i].first.getType();
-      unsigned EntSize =
-        TM.getTargetData()->getABITypeSize(Ty);
-      unsigned ValEnd = CP[i].first.getOffset() + EntSize;
-      // Emit inter-object padding for alignment.
-      EmitZeros(CP[i+1].first.getOffset()-ValEnd);
-    }
-  }
-}
-
-/// EmitJumpTableInfo - Print assembly representations of the jump tables used
-/// by the current function to the current output stream.  
-///
-void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
-                                   MachineFunction &MF) {
-  const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
-  if (JT.empty()) return;
-
-  bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
-  
-  // Pick the directive to use to print the jump table entries, and switch to 
-  // the appropriate section.
-  TargetLowering *LoweringInfo = TM.getTargetLowering();
-
-  const char* JumpTableDataSection = TAI->getJumpTableDataSection();
-  const Function *F = MF.getFunction();
-  unsigned SectionFlags = TAI->SectionFlagsForGlobal(F);
-  if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
-     !JumpTableDataSection ||
-      SectionFlags & SectionFlags::Linkonce) {
-    // In PIC mode, we need to emit the jump table to the same section as the
-    // function body itself, otherwise the label differences won't make sense.
-    // We should also do if the section name is NULL or function is declared in
-    // discardable section.
-    SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
-  } else {
-    SwitchToDataSection(JumpTableDataSection);
-  }
-  
-  EmitAlignment(Log2_32(MJTI->getAlignment()));
-  
-  for (unsigned i = 0, e = JT.size(); i != e; ++i) {
-    const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs;
-    
-    // If this jump table was deleted, ignore it. 
-    if (JTBBs.empty()) continue;
-
-    // For PIC codegen, if possible we want to use the SetDirective to reduce
-    // the number of relocations the assembler will generate for the jump table.
-    // Set directives are all printed before the jump table itself.
-    SmallPtrSet<MachineBasicBlock*, 16> EmittedSets;
-    if (TAI->getSetDirective() && IsPic)
-      for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii)
-        if (EmittedSets.insert(JTBBs[ii]))
-          printPICJumpTableSetLabel(i, JTBBs[ii]);
-    
-    // On some targets (e.g. darwin) we want to emit two consequtive labels
-    // before each jump table.  The first label is never referenced, but tells
-    // the assembler and linker the extents of the jump table object.  The
-    // second label is actually referenced by the code.
-    if (const char *JTLabelPrefix = TAI->getJumpTableSpecialLabelPrefix())
-      O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
-    
-    O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 
-      << '_' << i << ":\n";
-    
-    for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
-      printPICJumpTableEntry(MJTI, JTBBs[ii], i);
-      O << '\n';
-    }
-  }
-}
-
-void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
-                                        const MachineBasicBlock *MBB,
-                                        unsigned uid)  const {
-  bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
-  
-  // Use JumpTableDirective otherwise honor the entry size from the jump table
-  // info.
-  const char *JTEntryDirective = TAI->getJumpTableDirective();
-  bool HadJTEntryDirective = JTEntryDirective != NULL;
-  if (!HadJTEntryDirective) {
-    JTEntryDirective = MJTI->getEntrySize() == 4 ?
-      TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
-  }
-
-  O << JTEntryDirective << ' ';
-
-  // If we have emitted set directives for the jump table entries, print 
-  // them rather than the entries themselves.  If we're emitting PIC, then
-  // emit the table entries as differences between two text section labels.
-  // If we're emitting non-PIC code, then emit the entries as direct
-  // references to the target basic blocks.
-  if (IsPic) {
-    if (TAI->getSetDirective()) {
-      O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
-        << '_' << uid << "_set_" << MBB->getNumber();
-    } else {
-      printBasicBlockLabel(MBB, false, false, false);
-      // If the arch uses custom Jump Table directives, don't calc relative to
-      // JT
-      if (!HadJTEntryDirective) 
-        O << '-' << TAI->getPrivateGlobalPrefix() << "JTI"
-          << getFunctionNumber() << '_' << uid;
-    }
-  } else {
-    printBasicBlockLabel(MBB, false, false, false);
-  }
-}
-
-
-/// EmitSpecialLLVMGlobal - Check to see if the specified global is a
-/// special global used by LLVM.  If so, emit it and return true, otherwise
-/// do nothing and return false.
-bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
-  if (GV->getName() == "llvm.used") {
-    if (TAI->getUsedDirective() != 0)    // No need to emit this at all.
-      EmitLLVMUsedList(GV->getInitializer());
-    return true;
-  }
-
-  // Ignore debug and non-emitted data.
-  if (GV->getSection() == "llvm.metadata") return true;
-  
-  if (!GV->hasAppendingLinkage()) return false;
-
-  assert(GV->hasInitializer() && "Not a special LLVM global!");
-  
-  const TargetData *TD = TM.getTargetData();
-  unsigned Align = Log2_32(TD->getPointerPrefAlignment());
-  if (GV->getName() == "llvm.global_ctors" && GV->use_empty()) {
-    SwitchToDataSection(TAI->getStaticCtorsSection());
-    EmitAlignment(Align, 0);
-    EmitXXStructorList(GV->getInitializer());
-    return true;
-  } 
-  
-  if (GV->getName() == "llvm.global_dtors" && GV->use_empty()) {
-    SwitchToDataSection(TAI->getStaticDtorsSection());
-    EmitAlignment(Align, 0);
-    EmitXXStructorList(GV->getInitializer());
-    return true;
-  }
-  
-  return false;
-}
-
-/// EmitLLVMUsedList - For targets that define a TAI::UsedDirective, mark each
-/// global in the specified llvm.used list as being used with this directive.
-void AsmPrinter::EmitLLVMUsedList(Constant *List) {
-  const char *Directive = TAI->getUsedDirective();
-
-  // Should be an array of 'sbyte*'.
-  ConstantArray *InitList = dyn_cast<ConstantArray>(List);
-  if (InitList == 0) return;
-  
-  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
-    O << Directive;
-    EmitConstantValueOnly(InitList->getOperand(i));
-    O << '\n';
-  }
-}
-
-/// EmitXXStructorList - Emit the ctor or dtor list.  This just prints out the 
-/// function pointers, ignoring the init priority.
-void AsmPrinter::EmitXXStructorList(Constant *List) {
-  // Should be an array of '{ int, void ()* }' structs.  The first value is the
-  // init priority, which we ignore.
-  if (!isa<ConstantArray>(List)) return;
-  ConstantArray *InitList = cast<ConstantArray>(List);
-  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
-    if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){
-      if (CS->getNumOperands() != 2) return;  // Not array of 2-element structs.
-
-      if (CS->getOperand(1)->isNullValue())
-        return;  // Found a null terminator, exit printing.
-      // Emit the function pointer.
-      EmitGlobalConstant(CS->getOperand(1));
-    }
-}
-
-/// getGlobalLinkName - Returns the asm/link name of of the specified
-/// global variable.  Should be overridden by each target asm printer to
-/// generate the appropriate value.
-const std::string AsmPrinter::getGlobalLinkName(const GlobalVariable *GV) const{
-  std::string LinkName;
-  
-  if (isa<Function>(GV)) {
-    LinkName += TAI->getFunctionAddrPrefix();
-    LinkName += Mang->getValueName(GV);
-    LinkName += TAI->getFunctionAddrSuffix();
-  } else {
-    LinkName += TAI->getGlobalVarAddrPrefix();
-    LinkName += Mang->getValueName(GV);
-    LinkName += TAI->getGlobalVarAddrSuffix();
-  }  
-  
-  return LinkName;
-}
-
-/// EmitExternalGlobal - Emit the external reference to a global variable.
-/// Should be overridden if an indirect reference should be used.
-void AsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
-  O << getGlobalLinkName(GV);
-}
-
-
-
-//===----------------------------------------------------------------------===//
-/// LEB 128 number encoding.
-
-/// PrintULEB128 - Print a series of hexidecimal values (separated by commas)
-/// representing an unsigned leb128 value.
-void AsmPrinter::PrintULEB128(unsigned Value) const {
-  do {
-    unsigned Byte = Value & 0x7f;
-    Value >>= 7;
-    if (Value) Byte |= 0x80;
-    O << "0x" << std::hex << Byte << std::dec;
-    if (Value) O << ", ";
-  } while (Value);
-}
-
-/// PrintSLEB128 - Print a series of hexidecimal values (separated by commas)
-/// representing a signed leb128 value.
-void AsmPrinter::PrintSLEB128(int Value) const {
-  int Sign = Value >> (8 * sizeof(Value) - 1);
-  bool IsMore;
-
-  do {
-    unsigned Byte = Value & 0x7f;
-    Value >>= 7;
-    IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
-    if (IsMore) Byte |= 0x80;
-    O << "0x" << std::hex << Byte << std::dec;
-    if (IsMore) O << ", ";
-  } while (IsMore);
-}
-
-//===--------------------------------------------------------------------===//
-// Emission and print routines
-//
-
-/// PrintHex - Print a value as a hexidecimal value.
-///
-void AsmPrinter::PrintHex(int Value) const { 
-  O << "0x" << std::hex << Value << std::dec;
-}
-
-/// EOL - Print a newline character to asm stream.  If a comment is present
-/// then it will be printed first.  Comments should not contain '\n'.
-void AsmPrinter::EOL() const {
-  O << '\n';
-}
-
-void AsmPrinter::EOL(const std::string &Comment) const {
-  if (VerboseAsm && !Comment.empty()) {
-    O << '\t'
-      << TAI->getCommentString()
-      << ' '
-      << Comment;
-  }
-  O << '\n';
-}
-
-void AsmPrinter::EOL(const char* Comment) const {
-  if (VerboseAsm && *Comment) {
-    O << '\t'
-      << TAI->getCommentString()
-      << ' '
-      << Comment;
-  }
-  O << '\n';
-}
-
-/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
-/// unsigned leb128 value.
-void AsmPrinter::EmitULEB128Bytes(unsigned Value) const {
-  if (TAI->hasLEB128()) {
-    O << "\t.uleb128\t"
-      << Value;
-  } else {
-    O << TAI->getData8bitsDirective();
-    PrintULEB128(Value);
-  }
-}
-
-/// EmitSLEB128Bytes - print an assembler byte data directive to compose a
-/// signed leb128 value.
-void AsmPrinter::EmitSLEB128Bytes(int Value) const {
-  if (TAI->hasLEB128()) {
-    O << "\t.sleb128\t"
-      << Value;
-  } else {
-    O << TAI->getData8bitsDirective();
-    PrintSLEB128(Value);
-  }
-}
-
-/// EmitInt8 - Emit a byte directive and value.
-///
-void AsmPrinter::EmitInt8(int Value) const {
-  O << TAI->getData8bitsDirective();
-  PrintHex(Value & 0xFF);
-}
-
-/// EmitInt16 - Emit a short directive and value.
-///
-void AsmPrinter::EmitInt16(int Value) const {
-  O << TAI->getData16bitsDirective();
-  PrintHex(Value & 0xFFFF);
-}
-
-/// EmitInt32 - Emit a long directive and value.
-///
-void AsmPrinter::EmitInt32(int Value) const {
-  O << TAI->getData32bitsDirective();
-  PrintHex(Value);
-}
-
-/// EmitInt64 - Emit a long long directive and value.
-///
-void AsmPrinter::EmitInt64(uint64_t Value) const {
-  if (TAI->getData64bitsDirective()) {
-    O << TAI->getData64bitsDirective();
-    PrintHex(Value);
-  } else {
-    if (TM.getTargetData()->isBigEndian()) {
-      EmitInt32(unsigned(Value >> 32)); O << '\n';
-      EmitInt32(unsigned(Value));
-    } else {
-      EmitInt32(unsigned(Value)); O << '\n';
-      EmitInt32(unsigned(Value >> 32));
-    }
-  }
-}
-
-/// toOctal - Convert the low order bits of X into an octal digit.
-///
-static inline char toOctal(int X) {
-  return (X&7)+'0';
-}
-
-/// printStringChar - Print a char, escaped if necessary.
-///
-static void printStringChar(std::ostream &O, unsigned char C) {
-  if (C == '"') {
-    O << "\\\"";
-  } else if (C == '\\') {
-    O << "\\\\";
-  } else if (isprint(C)) {
-    O << C;
-  } else {
-    switch(C) {
-    case '\b': O << "\\b"; break;
-    case '\f': O << "\\f"; break;
-    case '\n': O << "\\n"; break;
-    case '\r': O << "\\r"; break;
-    case '\t': O << "\\t"; break;
-    default:
-      O << '\\';
-      O << toOctal(C >> 6);
-      O << toOctal(C >> 3);
-      O << toOctal(C >> 0);
-      break;
-    }
-  }
-}
-
-/// EmitString - Emit a string with quotes and a null terminator.
-/// Special characters are emitted properly.
-/// \literal (Eg. '\t') \endliteral
-void AsmPrinter::EmitString(const std::string &String) const {
-  const char* AscizDirective = TAI->getAscizDirective();
-  if (AscizDirective)
-    O << AscizDirective;
-  else
-    O << TAI->getAsciiDirective();
-  O << '\"';
-  for (unsigned i = 0, N = String.size(); i < N; ++i) {
-    unsigned char C = String[i];
-    printStringChar(O, C);
-  }
-  if (AscizDirective)
-    O << '\"';
-  else
-    O << "\\0\"";
-}
-
-
-/// EmitFile - Emit a .file directive.
-void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const {
-  O << "\t.file\t" << Number << " \"";
-  for (unsigned i = 0, N = Name.size(); i < N; ++i) {
-    unsigned char C = Name[i];
-    printStringChar(O, C);
-  }
-  O << '\"';
-}
-
-
-//===----------------------------------------------------------------------===//
-
-// EmitAlignment - Emit an alignment directive to the specified power of
-// two boundary.  For example, if you pass in 3 here, you will get an 8
-// byte alignment.  If a global value is specified, and if that global has
-// an explicit alignment requested, it will unconditionally override the
-// alignment request.  However, if ForcedAlignBits is specified, this value
-// has final say: the ultimate alignment will be the max of ForcedAlignBits
-// and the alignment computed with NumBits and the global.
-//
-// The algorithm is:
-//     Align = NumBits;
-//     if (GV && GV->hasalignment) Align = GV->getalignment();
-//     Align = std::max(Align, ForcedAlignBits);
-//
-void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
-                               unsigned ForcedAlignBits,
-                               bool UseFillExpr) const {
-  if (GV && GV->getAlignment())
-    NumBits = Log2_32(GV->getAlignment());
-  NumBits = std::max(NumBits, ForcedAlignBits);
-  
-  if (NumBits == 0) return;   // No need to emit alignment.
-  if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits;
-  O << TAI->getAlignDirective() << NumBits;
-
-  unsigned FillValue = TAI->getTextAlignFillValue();
-  UseFillExpr &= IsInTextSection && FillValue;
-  if (UseFillExpr) O << ",0x" << std::hex << FillValue << std::dec;
-  O << '\n';
-}
-
-    
-/// EmitZeros - Emit a block of zeros.
-///
-void AsmPrinter::EmitZeros(uint64_t NumZeros) const {
-  if (NumZeros) {
-    if (TAI->getZeroDirective()) {
-      O << TAI->getZeroDirective() << NumZeros;
-      if (TAI->getZeroDirectiveSuffix())
-        O << TAI->getZeroDirectiveSuffix();
-      O << '\n';
-    } else {
-      for (; NumZeros; --NumZeros)
-        O << TAI->getData8bitsDirective() << "0\n";
-    }
-  }
-}
-
-// Print out the specified constant, without a storage class.  Only the
-// constants valid in constant expressions can occur here.
-void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
-  if (CV->isNullValue() || isa<UndefValue>(CV))
-    O << '0';
-  else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
-    O << CI->getZExtValue();
-  } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) {
-    // This is a constant address for a global variable or function. Use the
-    // name of the variable or function as the address value, possibly
-    // decorating it with GlobalVarAddrPrefix/Suffix or
-    // FunctionAddrPrefix/Suffix (these all default to "" )
-    if (isa<Function>(GV)) {
-      O << TAI->getFunctionAddrPrefix()
-        << Mang->getValueName(GV)
-        << TAI->getFunctionAddrSuffix();
-    } else {
-      O << TAI->getGlobalVarAddrPrefix()
-        << Mang->getValueName(GV)
-        << TAI->getGlobalVarAddrSuffix();
-    }
-  } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
-    const TargetData *TD = TM.getTargetData();
-    unsigned Opcode = CE->getOpcode();    
-    switch (Opcode) {
-    case Instruction::GetElementPtr: {
-      // generate a symbolic expression for the byte address
-      const Constant *ptrVal = CE->getOperand(0);
-      SmallVector<Value*, 8> idxVec(CE->op_begin()+1, CE->op_end());
-      if (int64_t Offset = TD->getIndexedOffset(ptrVal->getType(), &idxVec[0],
-                                                idxVec.size())) {
-        if (Offset)
-          O << '(';
-        EmitConstantValueOnly(ptrVal);
-        if (Offset > 0)
-          O << ") + " << Offset;
-        else if (Offset < 0)
-          O << ") - " << -Offset;
-      } else {
-        EmitConstantValueOnly(ptrVal);
-      }
-      break;
-    }
-    case Instruction::Trunc:
-    case Instruction::ZExt:
-    case Instruction::SExt:
-    case Instruction::FPTrunc:
-    case Instruction::FPExt:
-    case Instruction::UIToFP:
-    case Instruction::SIToFP:
-    case Instruction::FPToUI:
-    case Instruction::FPToSI:
-      assert(0 && "FIXME: Don't yet support this kind of constant cast expr");
-      break;
-    case Instruction::BitCast:
-      return EmitConstantValueOnly(CE->getOperand(0));
-
-    case Instruction::IntToPtr: {
-      // Handle casts to pointers by changing them into casts to the appropriate
-      // integer type.  This promotes constant folding and simplifies this code.
-      Constant *Op = CE->getOperand(0);
-      Op = ConstantExpr::getIntegerCast(Op, TD->getIntPtrType(), false/*ZExt*/);
-      return EmitConstantValueOnly(Op);
-    }
-      
-      
-    case Instruction::PtrToInt: {
-      // Support only foldable casts to/from pointers that can be eliminated by
-      // changing the pointer to the appropriately sized integer type.
-      Constant *Op = CE->getOperand(0);
-      const Type *Ty = CE->getType();
-
-      // We can emit the pointer value into this slot if the slot is an
-      // integer slot greater or equal to the size of the pointer.
-      if (TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType()))
-        return EmitConstantValueOnly(Op);
-
-      O << "((";
-      EmitConstantValueOnly(Op);
-      APInt ptrMask = APInt::getAllOnesValue(TD->getABITypeSizeInBits(Ty));
-      
-      SmallString<40> S;
-      ptrMask.toStringUnsigned(S);
-      O << ") & " << S.c_str() << ')';
-      break;
-    }
-    case Instruction::Add:
-    case Instruction::Sub:
-    case Instruction::And:
-    case Instruction::Or:
-    case Instruction::Xor:
-      O << '(';
-      EmitConstantValueOnly(CE->getOperand(0));
-      O << ')';
-      switch (Opcode) {
-      case Instruction::Add:
-       O << " + ";
-       break;
-      case Instruction::Sub:
-       O << " - ";
-       break;
-      case Instruction::And:
-       O << " & ";
-       break;
-      case Instruction::Or:
-       O << " | ";
-       break;
-      case Instruction::Xor:
-       O << " ^ ";
-       break;
-      default:
-       break;
-      }
-      O << '(';
-      EmitConstantValueOnly(CE->getOperand(1));
-      O << ')';
-      break;
-    default:
-      assert(0 && "Unsupported operator!");
-    }
-  } else {
-    assert(0 && "Unknown constant value!");
-  }
-}
-
-/// printAsCString - Print the specified array as a C compatible string, only if
-/// the predicate isString is true.
-///
-static void printAsCString(std::ostream &O, const ConstantArray *CVA,
-                           unsigned LastElt) {
-  assert(CVA->isString() && "Array is not string compatible!");
-
-  O << '\"';
-  for (unsigned i = 0; i != LastElt; ++i) {
-    unsigned char C =
-        (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getZExtValue();
-    printStringChar(O, C);
-  }
-  O << '\"';
-}
-
-/// EmitString - Emit a zero-byte-terminated string constant.
-///
-void AsmPrinter::EmitString(const ConstantArray *CVA) const {
-  unsigned NumElts = CVA->getNumOperands();
-  if (TAI->getAscizDirective() && NumElts && 
-      cast<ConstantInt>(CVA->getOperand(NumElts-1))->getZExtValue() == 0) {
-    O << TAI->getAscizDirective();
-    printAsCString(O, CVA, NumElts-1);
-  } else {
-    O << TAI->getAsciiDirective();
-    printAsCString(O, CVA, NumElts);
-  }
-  O << '\n';
-}
-
-/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
-  const TargetData *TD = TM.getTargetData();
-  unsigned Size = TD->getABITypeSize(CV->getType());
-
-  if (CV->isNullValue() || isa<UndefValue>(CV)) {
-    EmitZeros(Size);
-    return;
-  } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
-    if (CVA->isString()) {
-      EmitString(CVA);
-    } else { // Not a string.  Print the values in successive locations
-      for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i)
-        EmitGlobalConstant(CVA->getOperand(i));
-    }
-    return;
-  } else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
-    // Print the fields in successive locations. Pad to align if needed!
-    const StructLayout *cvsLayout = TD->getStructLayout(CVS->getType());
-    uint64_t sizeSoFar = 0;
-    for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) {
-      const Constant* field = CVS->getOperand(i);
-
-      // Check if padding is needed and insert one or more 0s.
-      uint64_t fieldSize = TD->getABITypeSize(field->getType());
-      uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1))
-                          - cvsLayout->getElementOffset(i)) - fieldSize;
-      sizeSoFar += fieldSize + padSize;
-
-      // Now print the actual field value.
-      EmitGlobalConstant(field);
-
-      // Insert padding - this may include padding to increase the size of the
-      // current field up to the ABI size (if the struct is not packed) as well
-      // as padding to ensure that the next field starts at the right offset.
-      EmitZeros(padSize);
-    }
-    assert(sizeSoFar == cvsLayout->getSizeInBytes() &&
-           "Layout of constant struct may be incorrect!");
-    return;
-  } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
-    // FP Constants are printed as integer constants to avoid losing
-    // precision...
-    if (CFP->getType() == Type::DoubleTy) {
-      double Val = CFP->getValueAPF().convertToDouble();  // for comment only
-      uint64_t i = CFP->getValueAPF().convertToAPInt().getZExtValue();
-      if (TAI->getData64bitsDirective())
-        O << TAI->getData64bitsDirective() << i << '\t'
-          << TAI->getC