Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 3178 deletions

diff --git a/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
deleted file mode 100644
index f8fe06ae0f1..00000000000
--- a/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ /dev/null
@@ -1,3178 +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 "CodeViewDebug.h"
-#include "DwarfDebug.h"
-#include "DwarfException.h"
-#include "WasmException.h"
-#include "WinCFGuard.h"
-#include "WinException.h"
-#include "llvm/ADT/APFloat.h"
-#include "llvm/ADT/APInt.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Analysis/EHPersonalities.h"
-#include "llvm/Analysis/OptimizationRemarkEmitter.h"
-#include "llvm/BinaryFormat/COFF.h"
-#include "llvm/BinaryFormat/Dwarf.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/CodeGen/AsmPrinterHandler.h"
-#include "llvm/CodeGen/GCMetadata.h"
-#include "llvm/CodeGen/GCMetadataPrinter.h"
-#include "llvm/CodeGen/GCStrategy.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineDominators.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineInstrBundle.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/CodeGen/MachineLoopInfo.h"
-#include "llvm/CodeGen/MachineMemOperand.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineModuleInfoImpls.h"
-#include "llvm/CodeGen/MachineOperand.h"
-#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
-#include "llvm/CodeGen/StackMaps.h"
-#include "llvm/CodeGen/TargetFrameLowering.h"
-#include "llvm/CodeGen/TargetInstrInfo.h"
-#include "llvm/CodeGen/TargetLowering.h"
-#include "llvm/CodeGen/TargetOpcodes.h"
-#include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/Comdat.h"
-#include "llvm/IR/Constant.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfoMetadata.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/GlobalAlias.h"
-#include "llvm/IR/GlobalIFunc.h"
-#include "llvm/IR/GlobalIndirectSymbol.h"
-#include "llvm/IR/GlobalObject.h"
-#include "llvm/IR/GlobalValue.h"
-#include "llvm/IR/GlobalVariable.h"
-#include "llvm/IR/Instruction.h"
-#include "llvm/IR/Mangler.h"
-#include "llvm/IR/Metadata.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IR/Operator.h"
-#include "llvm/IR/Type.h"
-#include "llvm/IR/Value.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCCodePadder.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCSectionCOFF.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSectionMachO.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/MC/MCTargetOptions.h"
-#include "llvm/MC/MCValue.h"
-#include "llvm/MC/SectionKind.h"
-#include "llvm/Pass.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include <algorithm>
-#include <cassert>
-#include <cinttypes>
-#include <cstdint>
-#include <iterator>
-#include <limits>
-#include <memory>
-#include <string>
-#include <utility>
-#include <vector>
-
-using namespace llvm;
-
-#define DEBUG_TYPE "asm-printer"
-
-static const char *const DWARFGroupName = "dwarf";
-static const char *const DWARFGroupDescription = "DWARF Emission";
-static const char *const DbgTimerName = "emit";
-static const char *const DbgTimerDescription = "Debug Info Emission";
-static const char *const EHTimerName = "write_exception";
-static const char *const EHTimerDescription = "DWARF Exception Writer";
-static const char *const CFGuardName = "Control Flow Guard";
-static const char *const CFGuardDescription = "Control Flow Guard Tables";
-static const char *const CodeViewLineTablesGroupName = "linetables";
-static const char *const CodeViewLineTablesGroupDescription =
-  "CodeView Line Tables";
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static cl::opt<bool>
-    PrintSchedule("print-schedule", cl::Hidden, cl::init(false),
-                  cl::desc("Print 'sched: [latency:throughput]' in .s output"));
-
-char AsmPrinter::ID = 0;
-
-using gcp_map_type = DenseMap<GCStrategy *, std::unique_ptr<GCMetadataPrinter>>;
-
-static gcp_map_type &getGCMap(void *&P) {
-  if (!P)
-    P = new gcp_map_type();
-  return *(gcp_map_type*)P;
-}
-
-/// getGVAlignmentLog2 - Return the alignment to use for the specified global
-/// value in log2 form.  This rounds up to the preferred alignment if possible
-/// and legal.
-static unsigned getGVAlignmentLog2(const GlobalValue *GV, const DataLayout &DL,
-                                   unsigned InBits = 0) {
-  unsigned NumBits = 0;
-  if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
-    NumBits = DL.getPreferredAlignmentLog(GVar);
-
-  // If InBits is specified, round it to it.
-  if (InBits > NumBits)
-    NumBits = InBits;
-
-  // If the GV has a specified alignment, take it into account.
-  if (GV->getAlignment() == 0)
-    return NumBits;
-
-  unsigned GVAlign = Log2_32(GV->getAlignment());
-
-  // If the GVAlign is larger than NumBits, or if we are required to obey
-  // NumBits because the GV has an assigned section, obey it.
-  if (GVAlign > NumBits || GV->hasSection())
-    NumBits = GVAlign;
-  return NumBits;
-}
-
-AsmPrinter::AsmPrinter(TargetMachine &tm, std::unique_ptr<MCStreamer> Streamer)
-    : MachineFunctionPass(ID), TM(tm), MAI(tm.getMCAsmInfo()),
-      OutContext(Streamer->getContext()), OutStreamer(std::move(Streamer)) {
-  VerboseAsm = OutStreamer->isVerboseAsm();
-}
-
-AsmPrinter::~AsmPrinter() {
-  assert(!DD && Handlers.empty() && "Debug/EH info didn't get finalized");
-
-  if (GCMetadataPrinters) {
-    gcp_map_type &GCMap = getGCMap(GCMetadataPrinters);
-
-    delete &GCMap;
-    GCMetadataPrinters = nullptr;
-  }
-}
-
-bool AsmPrinter::isPositionIndependent() const {
-  return TM.isPositionIndependent();
-}
-
-/// getFunctionNumber - Return a unique ID for the current function.
-unsigned AsmPrinter::getFunctionNumber() const {
-  return MF->getFunctionNumber();
-}
-
-const TargetLoweringObjectFile &AsmPrinter::getObjFileLowering() const {
-  return *TM.getObjFileLowering();
-}
-
-const DataLayout &AsmPrinter::getDataLayout() const {
-  return MMI->getModule()->getDataLayout();
-}
-
-// Do not use the cached DataLayout because some client use it without a Module
-// (dsymutil, llvm-dwarfdump).
-unsigned AsmPrinter::getPointerSize() const {
-  return TM.getPointerSize(0); // FIXME: Default address space
-}
-
-const MCSubtargetInfo &AsmPrinter::getSubtargetInfo() const {
-  assert(MF && "getSubtargetInfo requires a valid MachineFunction!");
-  return MF->getSubtarget<MCSubtargetInfo>();
-}
-
-void AsmPrinter::EmitToStreamer(MCStreamer &S, const MCInst &Inst) {
-  S.EmitInstruction(Inst, getSubtargetInfo());
-}
-
-/// getCurrentSection() - Return the current section we are emitting to.
-const MCSection *AsmPrinter::getCurrentSection() const {
-  return OutStreamer->getCurrentSectionOnly();
-}
-
-void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.setPreservesAll();
-  MachineFunctionPass::getAnalysisUsage(AU);
-  AU.addRequired<MachineModuleInfo>();
-  AU.addRequired<MachineOptimizationRemarkEmitterPass>();
-  AU.addRequired<GCModuleInfo>();
-}
-
-bool AsmPrinter::doInitialization(Module &M) {
-  MMI = getAnalysisIfAvailable<MachineModuleInfo>();
-
-  // Initialize TargetLoweringObjectFile.
-  const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
-    .Initialize(OutContext, TM);
-
-  OutStreamer->InitSections(false);
-
-  // Emit the version-min deployment target directive if needed.
-  //
-  // FIXME: If we end up with a collection of these sorts of Darwin-specific
-  // or ELF-specific things, it may make sense to have a platform helper class
-  // that will work with the target helper class. For now keep it here, as the
-  // alternative is duplicated code in each of the target asm printers that
-  // use the directive, where it would need the same conditionalization
-  // anyway.
-  const Triple &Target = TM.getTargetTriple();
-  OutStreamer->EmitVersionForTarget(Target, M.getSDKVersion());
-
-  // Allow the target to emit any magic that it wants at the start of the file.
-  EmitStartOfAsmFile(M);
-
-  // Very minimal debug info. It is ignored if we emit actual debug info. If we
-  // don't, this at least helps the user find where a global came from.
-  if (MAI->hasSingleParameterDotFile()) {
-    // .file "foo.c"
-    OutStreamer->EmitFileDirective(
-        llvm::sys::path::filename(M.getSourceFileName()));
-  }
-
-  GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
-  assert(MI && "AsmPrinter didn't require GCModuleInfo?");
-  for (auto &I : *MI)
-    if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I))
-      MP->beginAssembly(M, *MI, *this);
-
-  // Emit module-level inline asm if it exists.
-  if (!M.getModuleInlineAsm().empty()) {
-    // We're at the module level. Construct MCSubtarget from the default CPU
-    // and target triple.
-    std::unique_ptr<MCSubtargetInfo> STI(TM.getTarget().createMCSubtargetInfo(
-        TM.getTargetTriple().str(), TM.getTargetCPU(),
-        TM.getTargetFeatureString()));
-    OutStreamer->AddComment("Start of file scope inline assembly");
-    OutStreamer->AddBlankLine();
-    EmitInlineAsm(M.getModuleInlineAsm()+"\n",
-                  OutContext.getSubtargetCopy(*STI), TM.Options.MCOptions);
-    OutStreamer->AddComment("End of file scope inline assembly");
-    OutStreamer->AddBlankLine();
-  }
-
-  if (MAI->doesSupportDebugInformation()) {
-    bool EmitCodeView = MMI->getModule()->getCodeViewFlag();
-    if (EmitCodeView && TM.getTargetTriple().isOSWindows()) {
-      Handlers.push_back(HandlerInfo(new CodeViewDebug(this),
-                                     DbgTimerName, DbgTimerDescription,
-                                     CodeViewLineTablesGroupName,
-                                     CodeViewLineTablesGroupDescription));
-    }
-    if (!EmitCodeView || MMI->getModule()->getDwarfVersion()) {
-      DD = new DwarfDebug(this, &M);
-      DD->beginModule();
-      Handlers.push_back(HandlerInfo(DD, DbgTimerName, DbgTimerDescription,
-                                     DWARFGroupName, DWARFGroupDescription));
-    }
-  }
-
-  switch (MAI->getExceptionHandlingType()) {
-  case ExceptionHandling::SjLj:
-  case ExceptionHandling::DwarfCFI:
-  case ExceptionHandling::ARM:
-    isCFIMoveForDebugging = true;
-    if (MAI->getExceptionHandlingType() != ExceptionHandling::DwarfCFI)
-      break;
-    for (auto &F: M.getFunctionList()) {
-      // If the module contains any function with unwind data,
-      // .eh_frame has to be emitted.
-      // Ignore functions that won't get emitted.
-      if (!F.isDeclarationForLinker() && F.needsUnwindTableEntry()) {
-        isCFIMoveForDebugging = false;
-        break;
-      }
-    }
-    break;
-  default:
-    isCFIMoveForDebugging = false;
-    break;
-  }
-
-  EHStreamer *ES = nullptr;
-  switch (MAI->getExceptionHandlingType()) {
-  case ExceptionHandling::None:
-    break;
-  case ExceptionHandling::SjLj:
-  case ExceptionHandling::DwarfCFI:
-    ES = new DwarfCFIException(this);
-    break;
-  case ExceptionHandling::ARM:
-    ES = new ARMException(this);
-    break;
-  case ExceptionHandling::WinEH:
-    switch (MAI->getWinEHEncodingType()) {
-    default: llvm_unreachable("unsupported unwinding information encoding");
-    case WinEH::EncodingType::Invalid:
-      break;
-    case WinEH::EncodingType::X86:
-    case WinEH::EncodingType::Itanium:
-      ES = new WinException(this);
-      break;
-    }
-    break;
-  case ExceptionHandling::Wasm:
-    ES = new WasmException(this);
-    break;
-  }
-  if (ES)
-    Handlers.push_back(HandlerInfo(ES, EHTimerName, EHTimerDescription,
-                                   DWARFGroupName, DWARFGroupDescription));
-
-  if (mdconst::extract_or_null<ConstantInt>(
-          MMI->getModule()->getModuleFlag("cfguardtable")))
-    Handlers.push_back(HandlerInfo(new WinCFGuard(this), CFGuardName,
-                                   CFGuardDescription, DWARFGroupName,
-                                   DWARFGroupDescription));
-
-  return false;
-}
-
-static bool canBeHidden(const GlobalValue *GV, const MCAsmInfo &MAI) {
-  if (!MAI.hasWeakDefCanBeHiddenDirective())
-    return false;
-
-  return GV->canBeOmittedFromSymbolTable();
-}
-
-void AsmPrinter::EmitLinkage(const GlobalValue *GV, MCSymbol *GVSym) const {
-  GlobalValue::LinkageTypes Linkage = GV->getLinkage();
-  switch (Linkage) {
-  case GlobalValue::CommonLinkage:
-  case GlobalValue::LinkOnceAnyLinkage:
-  case GlobalValue::LinkOnceODRLinkage:
-  case GlobalValue::WeakAnyLinkage:
-  case GlobalValue::WeakODRLinkage:
-    if (MAI->hasWeakDefDirective()) {
-      // .globl _foo
-      OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Global);
-
-      if (!canBeHidden(GV, *MAI))
-        // .weak_definition _foo
-        OutStreamer->EmitSymbolAttribute(GVSym, MCSA_WeakDefinition);
-      else
-        OutStreamer->EmitSymbolAttribute(GVSym, MCSA_WeakDefAutoPrivate);
-    } else if (MAI->hasLinkOnceDirective()) {
-      // .globl _foo
-      OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Global);
-      //NOTE: linkonce is handled by the section the symbol was assigned to.
-    } else {
-      // .weak _foo
-      OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Weak);
-    }
-    return;
-  case GlobalValue::ExternalLinkage:
-    // If external, declare as a global symbol: .globl _foo
-    OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Global);
-    return;
-  case GlobalValue::PrivateLinkage:
-  case GlobalValue::InternalLinkage:
-    return;
-  case GlobalValue::AppendingLinkage:
-  case GlobalValue::AvailableExternallyLinkage:
-  case GlobalValue::ExternalWeakLinkage:
-    llvm_unreachable("Should never emit this");
-  }
-  llvm_unreachable("Unknown linkage type!");
-}
-
-void AsmPrinter::getNameWithPrefix(SmallVectorImpl<char> &Name,
-                                   const GlobalValue *GV) const {
-  TM.getNameWithPrefix(Name, GV, getObjFileLowering().getMangler());
-}
-
-MCSymbol *AsmPrinter::getSymbol(const GlobalValue *GV) const {
-  return TM.getSymbol(GV);
-}
-
-/// EmitGlobalVariable - Emit the specified global variable to the .s file.
-void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
-  bool IsEmuTLSVar = TM.useEmulatedTLS() && GV->isThreadLocal();
-  assert(!(IsEmuTLSVar && GV->hasCommonLinkage()) &&
-         "No emulated TLS variables in the common section");
-
-  // Never emit TLS variable xyz in emulated TLS model.
-  // The initialization value is in __emutls_t.xyz instead of xyz.
-  if (IsEmuTLSVar)
-    return;
-
-  if (GV->hasInitializer()) {
-    // Check to see if this is a special global used by LLVM, if so, emit it.
-    if (EmitSpecialLLVMGlobal(GV))
-      return;
-
-    // Skip the emission of global equivalents. The symbol can be emitted later
-    // on by emitGlobalGOTEquivs in case it turns out to be needed.
-    if (GlobalGOTEquivs.count(getSymbol(GV)))
-      return;
-
-    if (isVerbose()) {
-      // When printing the control variable __emutls_v.*,
-      // we don't need to print the original TLS variable name.
-      GV->printAsOperand(OutStreamer->GetCommentOS(),
-                     /*PrintType=*/false, GV->getParent());
-      OutStreamer->GetCommentOS() << '\n';
-    }
-  }
-
-  MCSymbol *GVSym = getSymbol(GV);
-  MCSymbol *EmittedSym = GVSym;
-
-  // getOrCreateEmuTLSControlSym only creates the symbol with name and default
-  // attributes.
-  // GV's or GVSym's attributes will be used for the EmittedSym.
-  EmitVisibility(EmittedSym, GV->getVisibility(), !GV->isDeclaration());
-
-  if (!GV->hasInitializer())   // External globals require no extra code.
-    return;
-
-  GVSym->redefineIfPossible();
-  if (GVSym->isDefined() || GVSym->isVariable())
-    report_fatal_error("symbol '" + Twine(GVSym->getName()) +
-                       "' is already defined");
-
-  if (MAI->hasDotTypeDotSizeDirective())
-    OutStreamer->EmitSymbolAttribute(EmittedSym, MCSA_ELF_TypeObject);
-
-  SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, TM);
-
-  const DataLayout &DL = GV->getParent()->getDataLayout();
-  uint64_t Size = DL.getTypeAllocSize(GV->getType()->getElementType());
-
-  // If the alignment is specified, we *must* obey it.  Overaligning a global
-  // with a specified alignment is a prompt way to break globals emitted to
-  // sections and expected to be contiguous (e.g. ObjC metadata).
-  unsigned AlignLog = getGVAlignmentLog2(GV, DL);
-
-  for (const HandlerInfo &HI : Handlers) {
-    NamedRegionTimer T(HI.TimerName, HI.TimerDescription,
-                       HI.TimerGroupName, HI.TimerGroupDescription,
-                       TimePassesIsEnabled);
-    HI.Handler->setSymbolSize(GVSym, Size);
-  }
-
-  // Handle common symbols
-  if (GVKind.isCommon()) {
-    if (Size == 0) Size = 1;   // .comm Foo, 0 is undefined, avoid it.
-    unsigned Align = 1 << AlignLog;
-    if (!getObjFileLowering().getCommDirectiveSupportsAlignment())
-      Align = 0;
-
-    // .comm _foo, 42, 4
-    OutStreamer->EmitCommonSymbol(GVSym, Size, Align);
-    return;
-  }
-
-  // Determine to which section this global should be emitted.
-  MCSection *TheSection = getObjFileLowering().SectionForGlobal(GV, GVKind, TM);
-
-  // If we have a bss global going to a section that supports the
-  // zerofill directive, do so here.
-  if (GVKind.isBSS() && MAI->hasMachoZeroFillDirective() &&
-      TheSection->isVirtualSection()) {
-    if (Size == 0)
-      Size = 1; // zerofill of 0 bytes is undefined.
-    unsigned Align = 1 << AlignLog;
-    EmitLinkage(GV, GVSym);
-    // .zerofill __DATA, __bss, _foo, 400, 5
-    OutStreamer->EmitZerofill(TheSection, GVSym, Size, Align);
-    return;
-  }
-
-  // If this is a BSS local symbol and we are emitting in the BSS
-  // section use .lcomm/.comm directive.
-  if (GVKind.isBSSLocal() &&
-      getObjFileLowering().getBSSSection() == TheSection) {
-    if (Size == 0)
-      Size = 1; // .comm Foo, 0 is undefined, avoid it.
-    unsigned Align = 1 << AlignLog;
-
-    // Use .lcomm only if it supports user-specified alignment.
-    // Otherwise, while it would still be correct to use .lcomm in some
-    // cases (e.g. when Align == 1), the external assembler might enfore
-    // some -unknown- default alignment behavior, which could cause
-    // spurious differences between external and integrated assembler.
-    // Prefer to simply fall back to .local / .comm in this case.
-    if (MAI->getLCOMMDirectiveAlignmentType() != LCOMM::NoAlignment) {
-      // .lcomm _foo, 42
-      OutStreamer->EmitLocalCommonSymbol(GVSym, Size, Align);
-      return;
-    }
-
-    if (!getObjFileLowering().getCommDirectiveSupportsAlignment())
-      Align = 0;
-
-    // .local _foo
-    OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Local);
-    // .comm _foo, 42, 4
-    OutStreamer->EmitCommonSymbol(GVSym, Size, Align);
-    return;
-  }
-
-  // Handle thread local data for mach-o which requires us to output an
-  // additional structure of data and mangle the original symbol so that we
-  // can reference it later.
-  //
-  // TODO: This should become an "emit thread local global" method on TLOF.
-  // All of this macho specific stuff should be sunk down into TLOFMachO and
-  // stuff like "TLSExtraDataSection" should no longer be part of the parent
-  // TLOF class.  This will also make it more obvious that stuff like
-  // MCStreamer::EmitTBSSSymbol is macho specific and only called from macho
-  // specific code.
-  if (GVKind.isThreadLocal() && MAI->hasMachoTBSSDirective()) {
-    // Emit the .tbss symbol
-    MCSymbol *MangSym =
-        OutContext.getOrCreateSymbol(GVSym->getName() + Twine("$tlv$init"));
-
-    if (GVKind.isThreadBSS()) {
-      TheSection = getObjFileLowering().getTLSBSSSection();
-      OutStreamer->EmitTBSSSymbol(TheSection, MangSym, Size, 1 << AlignLog);
-    } else if (GVKind.isThreadData()) {
-      OutStreamer->SwitchSection(TheSection);
-
-      EmitAlignment(AlignLog, GV);
-      OutStreamer->EmitLabel(MangSym);
-
-      EmitGlobalConstant(GV->getParent()->getDataLayout(),
-                         GV->getInitializer());
-    }
-
-    OutStreamer->AddBlankLine();
-
-    // Emit the variable struct for the runtime.
-    MCSection *TLVSect = getObjFileLowering().getTLSExtraDataSection();
-
-    OutStreamer->SwitchSection(TLVSect);
-    // Emit the linkage here.
-    EmitLinkage(GV, GVSym);
-    OutStreamer->EmitLabel(GVSym);
-
-    // Three pointers in size:
-    //   - __tlv_bootstrap - used to make sure support exists
-    //   - spare pointer, used when mapped by the runtime
-    //   - pointer to mangled symbol above with initializer
-    unsigned PtrSize = DL.getPointerTypeSize(GV->getType());
-    OutStreamer->EmitSymbolValue(GetExternalSymbolSymbol("_tlv_bootstrap"),
-                                PtrSize);
-    OutStreamer->EmitIntValue(0, PtrSize);
-    OutStreamer->EmitSymbolValue(MangSym, PtrSize);
-
-    OutStreamer->AddBlankLine();
-    return;
-  }
-
-  MCSymbol *EmittedInitSym = GVSym;
-
-  OutStreamer->SwitchSection(TheSection);
-
-  EmitLinkage(GV, EmittedInitSym);
-  EmitAlignment(AlignLog, GV);
-
-  OutStreamer->EmitLabel(EmittedInitSym);
-
-  EmitGlobalConstant(GV->getParent()->getDataLayout(), GV->getInitializer());
-
-  if (MAI->hasDotTypeDotSizeDirective())
-    // .size foo, 42
-    OutStreamer->emitELFSize(EmittedInitSym,
-                             MCConstantExpr::create(Size, OutContext));
-
-  OutStreamer->AddBlankLine();
-}
-
-/// Emit the directive and value for debug thread local expression
-///
-/// \p Value - The value to emit.
-/// \p Size - The size of the integer (in bytes) to emit.
-void AsmPrinter::EmitDebugValue(const MCExpr *Value, unsigned Size) const {
-  OutStreamer->EmitValue(Value, Size);
-}
-
-/// EmitFunctionHeader - This method emits the header for the current
-/// function.
-void AsmPrinter::EmitFunctionHeader() {
-  const Function &F = MF->getFunction();
-
-  if (isVerbose())
-    OutStreamer->GetCommentOS()
-        << "-- Begin function "
-        << GlobalValue::dropLLVMManglingEscape(F.getName()) << '\n';
-
-  // Print out constants referenced by the function
-  EmitConstantPool();
-
-  // Print the 'header' of function.
-  OutStreamer->SwitchSection(getObjFileLowering().SectionForGlobal(&F, TM));
-  EmitVisibility(CurrentFnSym, F.getVisibility());
-
-  EmitLinkage(&F, CurrentFnSym);
-  if (MAI->hasFunctionAlignment())
-    EmitTrapAlignment(MF->getAlignment(), &F);
-
-  if (MAI->hasDotTypeDotSizeDirective())
-    OutStreamer->EmitSymbolAttribute(CurrentFnSym, MCSA_ELF_TypeFunction);
-
-  if (isVerbose()) {
-    F.printAsOperand(OutStreamer->GetCommentOS(),
-                   /*PrintType=*/false, F.getParent());
-    OutStreamer->GetCommentOS() << '\n';
-  }
-
-  // Emit the prefix data.
-  if (F.hasPrefixData()) {
-    if (MAI->hasSubsectionsViaSymbols()) {
-      // Preserving prefix data on platforms which use subsections-via-symbols
-      // is a bit tricky. Here we introduce a symbol for the prefix data
-      // and use the .alt_entry attribute to mark the function's real entry point
-      // as an alternative entry point to the prefix-data symbol.
-      MCSymbol *PrefixSym = OutContext.createLinkerPrivateTempSymbol();
-      OutStreamer->EmitLabel(PrefixSym);
-
-      EmitGlobalConstant(F.getParent()->getDataLayout(), F.getPrefixData());
-
-      // Emit an .alt_entry directive for the actual function symbol.
-      OutStreamer->EmitSymbolAttribute(CurrentFnSym, MCSA_AltEntry);
-    } else {
-      EmitGlobalConstant(F.getParent()->getDataLayout(), F.getPrefixData());
-    }
-  }
-
-  // Emit the CurrentFnSym.  This is a virtual function to allow targets to
-  // do their wild and crazy things as required.
-  EmitFunctionEntryLabel();
-
-  // If the function had address-taken blocks that got deleted, then we have
-  // references to the dangling symbols.  Emit them at the start of the function
-  // so that we don't get references to undefined symbols.
-  std::vector<MCSymbol*> DeadBlockSyms;
-  MMI->takeDeletedSymbolsForFunction(&F, DeadBlockSyms);
-  for (unsigned i = 0, e = DeadBlockSyms.size(); i != e; ++i) {
-    OutStreamer->AddComment("Address taken block that was later removed");
-    OutStreamer->EmitLabel(DeadBlockSyms[i]);
-  }
-
-  if (CurrentFnBegin) {
-    if (MAI->useAssignmentForEHBegin()) {
-      MCSymbol *CurPos = OutContext.createTempSymbol();
-      OutStreamer->EmitLabel(CurPos);
-      OutStreamer->EmitAssignment(CurrentFnBegin,
-                                 MCSymbolRefExpr::create(CurPos, OutContext));
-    } else {
-      OutStreamer->EmitLabel(CurrentFnBegin);
-    }
-  }
-
-  // Emit pre-function debug and/or EH information.
-  for (const HandlerInfo &HI : Handlers) {
-    NamedRegionTimer T(HI.TimerName, HI.TimerDescription, HI.TimerGroupName,
-                       HI.TimerGroupDescription, TimePassesIsEnabled);
-    HI.Handler->beginFunction(MF);
-  }
-
-  // Emit the prologue data.
-  if (F.hasPrologueData())
-    EmitGlobalConstant(F.getParent()->getDataLayout(), F.getPrologueData());
-}
-
-/// EmitFunctionEntryLabel - Emit the label that is the entrypoint for the
-/// function.  This can be overridden by targets as required to do custom stuff.
-void AsmPrinter::EmitFunctionEntryLabel() {
-  CurrentFnSym->redefineIfPossible();
-
-  // The function label could have already been emitted if two symbols end up
-  // conflicting due to asm renaming.  Detect this and emit an error.
-  if (CurrentFnSym->isVariable())
-    report_fatal_error("'" + Twine(CurrentFnSym->getName()) +
-                       "' is a protected alias");
-  if (CurrentFnSym->isDefined())
-    report_fatal_error("'" + Twine(CurrentFnSym->getName()) +
-                       "' label emitted multiple times to assembly file");
-
-  return OutStreamer->EmitLabel(CurrentFnSym);
-}
-
-/// emitComments - Pretty-print comments for instructions.
-/// It returns true iff the sched comment was emitted.
-///   Otherwise it returns false.
-static bool emitComments(const MachineInstr &MI, raw_ostream &CommentOS,
-                         AsmPrinter *AP) {
-  const MachineFunction *MF = MI.getMF();
-  const TargetInstrInfo *TII = MF->getSubtarget().getInstrInfo();
-
-  // Check for spills and reloads
-  int FI;
-
-  const MachineFrameInfo &MFI = MF->getFrameInfo();
-  bool Commented = false;
-
-  auto getSize =
-      [&MFI](const SmallVectorImpl<const MachineMemOperand *> &Accesses) {
-        unsigned Size = 0;
-        for (auto A : Accesses)
-          if (MFI.isSpillSlotObjectIndex(
-                  cast<FixedStackPseudoSourceValue>(A->getPseudoValue())
-                      ->getFrameIndex()))
-            Size += A->getSize();
-        return Size;
-      };
-
-  // We assume a single instruction only has a spill or reload, not
-  // both.
-  const MachineMemOperand *MMO;
-  SmallVector<const MachineMemOperand *, 2> Accesses;
-  if (TII->isLoadFromStackSlotPostFE(MI, FI)) {
-    if (MFI.isSpillSlotObjectIndex(FI)) {
-      MMO = *MI.memoperands_begin();
-      CommentOS << MMO->getSize() << "-byte Reload";
-      Commented = true;
-    }
-  } else if (TII->hasLoadFromStackSlot(MI, Accesses)) {
-    if (auto Size = getSize(Accesses)) {
-      CommentOS << Size << "-byte Folded Reload";
-      Commented = true;
-    }
-  } else if (TII->isStoreToStackSlotPostFE(MI, FI)) {
-    if (MFI.isSpillSlotObjectIndex(FI)) {
-      MMO = *MI.memoperands_begin();
-      CommentOS << MMO->getSize() << "-byte Spill";
-      Commented = true;
-    }
-  } else if (TII->hasStoreToStackSlot(MI, Accesses)) {
-    if (auto Size = getSize(Accesses)) {
-      CommentOS << Size << "-byte Folded Spill";
-      Commented = true;
-    }
-  }
-
-  // Check for spill-induced copies
-  if (MI.getAsmPrinterFlag(MachineInstr::ReloadReuse)) {
-    Commented = true;
-    CommentOS << " Reload Reuse";
-  }
-
-  if (Commented) {
-    if (AP->EnablePrintSchedInfo) {
-      // If any comment was added above and we need sched info comment then add
-      // this new comment just after the above comment w/o "\n" between them.
-      CommentOS << " " << MF->getSubtarget().getSchedInfoStr(MI) << "\n";
-      return true;
-    }
-    CommentOS << "\n";
-  }
-  return false;
-}
-
-/// emitImplicitDef - This method emits the specified machine instruction
-/// that is an implicit def.
-void AsmPrinter::emitImplicitDef(const MachineInstr *MI) const {
-  unsigned RegNo = MI->getOperand(0).getReg();
-
-  SmallString<128> Str;
-  raw_svector_ostream OS(Str);
-  OS << "implicit-def: "
-     << printReg(RegNo, MF->getSubtarget().getRegisterInfo());
-
-  OutStreamer->AddComment(OS.str());
-  OutStreamer->AddBlankLine();
-}
-
-static void emitKill(const MachineInstr *MI, AsmPrinter &AP) {
-  std::string Str;
-  raw_string_ostream OS(Str);
-  OS << "kill:";
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &Op = MI->getOperand(i);
-    assert(Op.isReg() && "KILL instruction must have only register operands");
-    OS << ' ' << (Op.isDef() ? "def " : "killed ")
-       << printReg(Op.getReg(), AP.MF->getSubtarget().getRegisterInfo());
-  }
-  AP.OutStreamer->AddComment(OS.str());
-  AP.OutStreamer->AddBlankLine();
-}
-
-/// emitDebugValueComment - This method handles the target-independent form
-/// of DBG_VALUE, returning true if it was able to do so.  A false return
-/// means the target will need to handle MI in EmitInstruction.
-static bool emitDebugValueComment(const MachineInstr *MI, AsmPrinter &AP) {
-  // This code handles only the 4-operand target-independent form.
-  if (MI->getNumOperands() != 4)
-    return false;
-
-  SmallString<128> Str;
-  raw_svector_ostream OS(Str);
-  OS << "DEBUG_VALUE: ";
-
-  const DILocalVariable *V = MI->getDebugVariable();
-  if (auto *SP = dyn_cast<DISubprogram>(V->getScope())) {
-    StringRef Name = SP->getName();
-    if (!Name.empty())
-      OS << Name << ":";
-  }
-  OS << V->getName();
-  OS << " <- ";
-
-  // The second operand is only an offset if it's an immediate.
-  bool MemLoc = MI->getOperand(0).isReg() && MI->getOperand(1).isImm();
-  int64_t Offset = MemLoc ? MI->getOperand(1).getImm() : 0;
-  const DIExpression *Expr = MI->getDebugExpression();
-  if (Expr->getNumElements()) {
-    OS << '[';
-    bool NeedSep = false;
-    for (auto Op : Expr->expr_ops()) {
-      if (NeedSep)
-        OS << ", ";
-      else
-        NeedSep = true;
-      OS << dwarf::OperationEncodingString(Op.getOp());
-      for (unsigned I = 0; I < Op.getNumArgs(); ++I)
-        OS << ' ' << Op.getArg(I);
-    }
-    OS << "] ";
-  }
-
-  // Register or immediate value. Register 0 means undef.
-  if (MI->getOperand(0).isFPImm()) {
-    APFloat APF = APFloat(MI->getOperand(0).getFPImm()->getValueAPF());
-    if (MI->getOperand(0).getFPImm()->getType()->isFloatTy()) {
-      OS << (double)APF.convertToFloat();
-    } else if (MI->getOperand(0).getFPImm()->getType()->isDoubleTy()) {
-      OS << APF.convertToDouble();
-    } else {
-      // There is no good way to print long double.  Convert a copy to
-      // double.  Ah well, it's only a comment.
-      bool ignored;
-      APF.convert(APFloat::IEEEdouble(), APFloat::rmNearestTiesToEven,
-                  &ignored);
-      OS << "(long double) " << APF.convertToDouble();
-    }
-  } else if (MI->getOperand(0).isImm()) {
-    OS << MI->getOperand(0).getImm();
-  } else if (MI->getOperand(0).isCImm()) {
-    MI->getOperand(0).getCImm()->getValue().print(OS, false /*isSigned*/);
-  } else {
-    unsigned Reg;
-    if (MI->getOperand(0).isReg()) {
-      Reg = MI->getOperand(0).getReg();
-    } else {
-      assert(MI->getOperand(0).isFI() && "Unknown operand type");
-      const TargetFrameLowering *TFI = AP.MF->getSubtarget().getFrameLowering();
-      Offset += TFI->getFrameIndexReference(*AP.MF,
-                                            MI->getOperand(0).getIndex(), Reg);
-      MemLoc = true;
-    }
-    if (Reg == 0) {
-      // Suppress offset, it is not meaningful here.
-      OS << "undef";
-      // NOTE: Want this comment at start of line, don't emit with AddComment.
-      AP.OutStreamer->emitRawComment(OS.str());
-      return true;
-    }
-    if (MemLoc)
-      OS << '[';
-    OS << printReg(Reg, AP.MF->getSubtarget().getRegisterInfo());
-  }
-
-  if (MemLoc)
-    OS << '+' << Offset << ']';
-
-  // NOTE: Want this comment at start of line, don't emit with AddComment.
-  AP.OutStreamer->emitRawComment(OS.str());
-  return true;
-}
-
-/// This method handles the target-independent form of DBG_LABEL, returning
-/// true if it was able to do so.  A false return means the target will need
-/// to handle MI in EmitInstruction.
-static bool emitDebugLabelComment(const MachineInstr *MI, AsmPrinter &AP) {
-  if (MI->getNumOperands() != 1)
-    return false;
-
-  SmallString<128> Str;
-  raw_svector_ostream OS(Str);
-  OS << "DEBUG_LABEL: ";
-
-  const DILabel *V = MI->getDebugLabel();
-  if (auto *SP = dyn_cast<DISubprogram>(V->getScope())) {
-    StringRef Name = SP->getName();
-    if (!Name.empty())
-      OS << Name << ":";
-  }
-  OS << V->getName();
-
-  // NOTE: Want this comment at start of line, don't emit with AddComment.
-  AP.OutStreamer->emitRawComment(OS.str());
-  return true;
-}
-
-AsmPrinter::CFIMoveType AsmPrinter::needsCFIMoves() const {
-  if (MAI->getExceptionHandlingType() == ExceptionHandling::DwarfCFI &&
-      MF->getFunction().needsUnwindTableEntry())
-    return CFI_M_EH;
-
-  if (MMI->hasDebugInfo())
-    return CFI_M_Debug;
-
-  return CFI_M_None;
-}
-
-bool AsmPrinter::needsSEHMoves() {
-  return MAI->usesWindowsCFI() && MF->getFunction().needsUnwindTableEntry();
-}
-
-void AsmPrinter::emitCFIInstruction(const MachineInstr &MI) {
-  ExceptionHandling ExceptionHandlingType = MAI->getExceptionHandlingType();
-  if (ExceptionHandlingType != ExceptionHandling::DwarfCFI &&
-      ExceptionHandlingType != ExceptionHandling::ARM)
-    return;
-
-  if (needsCFIMoves() == CFI_M_None)
-    return;
-
-  // If there is no "real" instruction following this CFI instruction, skip
-  // emitting it; it would be beyond the end of the function's FDE range.
-  auto *MBB = MI.getParent();
-  auto I = std::next(MI.getIterator());
-  while (I != MBB->end() && I->isTransient())
-    ++I;
-  if (I == MBB->instr_end() &&
-      MBB->getReverseIterator() == MBB->getParent()->rbegin())
-    return;
-
-  const std::vector<MCCFIInstruction> &Instrs = MF->getFrameInstructions();
-  unsigned CFIIndex = MI.getOperand(0).getCFIIndex();
-  const MCCFIInstruction &CFI = Instrs[CFIIndex];
-  emitCFIInstruction(CFI);
-}
-
-void AsmPrinter::emitFrameAlloc(const MachineInstr &MI) {
-  // The operands are the MCSymbol and the frame offset of the allocation.
-  MCSymbol *FrameAllocSym = MI.getOperand(0).getMCSymbol();
-  int FrameOffset = MI.getOperand(1).getImm();
-
-  // Emit a symbol assignment.
-  OutStreamer->EmitAssignment(FrameAllocSym,
-                             MCConstantExpr::create(FrameOffset, OutContext));
-}
-
-void AsmPrinter::emitStackSizeSection(const MachineFunction &MF) {
-  if (!MF.getTarget().Options.EmitStackSizeSection)
-    return;
-
-  MCSection *StackSizeSection =
-      getObjFileLowering().getStackSizesSection(*getCurrentSection());
-  if (!StackSizeSection)
-    return;
-
-  const MachineFrameInfo &FrameInfo = MF.getFrameInfo();
-  // Don't emit functions with dynamic stack allocations.
-  if (FrameInfo.hasVarSizedObjects())
-    return;
-
-  OutStreamer->PushSection();
-  OutStreamer->SwitchSection(StackSizeSection);
-
-  const MCSymbol *FunctionSymbol = getFunctionBegin();
-  uint64_t StackSize = FrameInfo.getStackSize();
-  OutStreamer->EmitSymbolValue(FunctionSymbol, TM.getProgramPointerSize());
-  OutStreamer->EmitULEB128IntValue(StackSize);
-
-  OutStreamer->PopSection();
-}
-
-static bool needFuncLabelsForEHOrDebugInfo(const MachineFunction &MF,
-                                           MachineModuleInfo *MMI) {
-  if (!MF.getLandingPads().empty() || MF.hasEHFunclets() || MMI->hasDebugInfo())
-    return true;
-
-  // We might emit an EH table that uses function begin and end labels even if
-  // we don't have any landingpads.
-  if (!MF.getFunction().hasPersonalityFn())
-    return false;
-  return !isNoOpWithoutInvoke(
-      classifyEHPersonality(MF.getFunction().getPersonalityFn()));
-}
-
-/// EmitFunctionBody - This method emits the body and trailer for a
-/// function.
-void AsmPrinter::EmitFunctionBody() {
-  EmitFunctionHeader();
-
-  // Emit target-specific gunk before the function body.
-  EmitFunctionBodyStart();
-
-  bool ShouldPrintDebugScopes = MMI->hasDebugInfo();
-
-  if (isVerbose()) {
-    // Get MachineDominatorTree or compute it on the fly if it's unavailable
-    MDT = getAnalysisIfAvailable<MachineDominatorTree>();
-    if (!MDT) {
-      OwnedMDT = make_unique<MachineDominatorTree>();
-      OwnedMDT->getBase().recalculate(*MF);
-      MDT = OwnedMDT.get();
-    }
-
-    // Get MachineLoopInfo or compute it on the fly if it's unavailable
-    MLI = getAnalysisIfAvailable<MachineLoopInfo>();
-    if (!MLI) {
-      OwnedMLI = make_unique<MachineLoopInfo>();
-      OwnedMLI->getBase().analyze(MDT->getBase());
-      MLI = OwnedMLI.get();
-    }
-  }
-
-  // Print out code for the function.
-  bool HasAnyRealCode = false;
-  int NumInstsInFunction = 0;
-  for (auto &MBB : *MF) {
-    // Print a label for the basic block.
-    EmitBasicBlockStart(MBB);
-    for (auto &MI : MBB) {
-      // Print the assembly for the instruction.
-      if (!MI.isPosition() && !MI.isImplicitDef() && !MI.isKill() &&
-          !MI.isDebugInstr()) {
-        HasAnyRealCode = true;
-        ++NumInstsInFunction;
-      }
-
-      // If there is a pre-instruction symbol, emit a label for it here.
-      if (MCSymbol *S = MI.getPreInstrSymbol())
-        OutStreamer->EmitLabel(S);
-
-      if (ShouldPrintDebugScopes) {
-        for (const HandlerInfo &HI : Handlers) {
-          NamedRegionTimer T(HI.TimerName, HI.TimerDescription,
-                             HI.TimerGroupName, HI.TimerGroupDescription,
-                             TimePassesIsEnabled);
-          HI.Handler->beginInstruction(&MI);
-        }
-      }
-
-      if (isVerbose() && emitComments(MI, OutStreamer->GetCommentOS(), this)) {
-        MachineInstr *MIP = const_cast<MachineInstr *>(&MI);
-        MIP->setAsmPrinterFlag(MachineInstr::NoSchedComment);
-      }
-
-      switch (MI.getOpcode()) {
-      case TargetOpcode::CFI_INSTRUCTION:
-        emitCFIInstruction(MI);
-        break;
-      case TargetOpcode::LOCAL_ESCAPE:
-        emitFrameAlloc(MI);
-        break;
-      case TargetOpcode::EH_LABEL:
-      case TargetOpcode::GC_LABEL:
-        OutStreamer->EmitLabel(MI.getOperand(0).getMCSymbol());
-        break;
-      case TargetOpcode::INLINEASM:
-        EmitInlineAsm(&MI);
-        break;
-      case TargetOpcode::DBG_VALUE:
-        if (isVerbose()) {
-          if (!emitDebugValueComment(&MI, *this))
-            EmitInstruction(&MI);
-        }
-        break;
-      case TargetOpcode::DBG_LABEL:
-        if (isVerbose()) {
-          if (!emitDebugLabelComment(&MI, *this))
-            EmitInstruction(&MI);
-        }
-        break;
-      case TargetOpcode::IMPLICIT_DEF:
-        if (isVerbose()) emitImplicitDef(&MI);
-        break;
-      case TargetOpcode::KILL:
-        if (isVerbose()) emitKill(&MI, *this);
-        break;
-      default:
-        EmitInstruction(&MI);
-        break;
-      }
-
-      // If there is a post-instruction symbol, emit a label for it here.
-      if (MCSymbol *S = MI.getPostInstrSymbol())
-        OutStreamer->EmitLabel(S);
-
-      if (ShouldPrintDebugScopes) {
-        for (const HandlerInfo &HI : Handlers) {
-          NamedRegionTimer T(HI.TimerName, HI.TimerDescription,
-                             HI.TimerGroupName, HI.TimerGroupDescription,
-                             TimePassesIsEnabled);
-          HI.Handler->endInstruction();
-        }
-      }
-    }
-
-    EmitBasicBlockEnd(MBB);
-  }
-
-  EmittedInsts += NumInstsInFunction;
-  MachineOptimizationRemarkAnalysis R(DEBUG_TYPE, "InstructionCount",
-                                      MF->getFunction().getSubprogram(),
-                                      &MF->front());
-  R << ore::NV("NumInstructions", NumInstsInFunction)
-    << " instructions in function";
-  ORE->emit(R);
-
-  // If the function is empty and the object file uses .subsections_via_symbols,
-  // then we need to emit *something* to the function body to prevent the
-  // labels from collapsing together.  Just emit a noop.
-  // Similarly, don't emit empty functions on Windows either. It can lead to
-  // duplicate entries (two functions with the same RVA) in the Guard CF Table
-  // after linking, causing the kernel not to load the binary:
-  // https://developercommunity.visualstudio.com/content/problem/45366/vc-linker-creates-invalid-dll-with-clang-cl.html
-  // FIXME: Hide this behind some API in e.g. MCAsmInfo or MCTargetStreamer.
-  const Triple &TT = TM.getTargetTriple();
-  if (!HasAnyRealCode && (MAI->hasSubsectionsViaSymbols() ||
-                          (TT.isOSWindows() && TT.isOSBinFormatCOFF()))) {
-    MCInst Noop;
-    MF->getSubtarget().getInstrInfo()->getNoop(Noop);
-
-    // Targets can opt-out of emitting the noop here by leaving the opcode
-    // unspecified.
-    if (Noop.getOpcode()) {
-      OutStreamer->AddComment("avoids zero-length function");
-      OutStreamer->EmitInstruction(Noop, getSubtargetInfo());
-    }
-  }
-
-  const Function &F = MF->getFunction();
-  for (const auto &BB : F) {
-    if (!BB.hasAddressTaken())
-      continue;
-    MCSymbol *Sym = GetBlockAddressSymbol(&BB);
-    if (Sym->isDefined())
-      continue;
-    OutStreamer->AddComment("Address of block that was removed by CodeGen");
-    OutStreamer->EmitLabel(Sym);
-  }
-
-  // Emit target-specific gunk after the function body.
-  EmitFunctionBodyEnd();
-
-  if (needFuncLabelsForEHOrDebugInfo(*MF, MMI) ||
-      MAI->hasDotTypeDotSizeDirective()) {
-    // Create a symbol for the end of function.
-    CurrentFnEnd = createTempSymbol("func_end");
-    OutStreamer->EmitLabel(CurrentFnEnd);
-  }
-
-  // If the target wants a .size directive for the size of the function, emit
-  // it.
-  if (MAI->hasDotTypeDotSizeDirective()) {
-    // We can get the size as difference between the function label and the
-    // temp label.
-    const MCExpr *SizeExp = MCBinaryExpr::createSub(
-        MCSymbolRefExpr::create(CurrentFnEnd, OutContext),
-        MCSymbolRefExpr::create(CurrentFnSymForSize, OutContext), OutContext);
-    OutStreamer->emitELFSize(CurrentFnSym, SizeExp);
-  }
-
-  for (const HandlerInfo &HI : Handlers) {
-    NamedRegionTimer T(HI.TimerName, HI.TimerDescription, HI.TimerGroupName,
-                       HI.TimerGroupDescription, TimePassesIsEnabled);
-    HI.Handler->markFunctionEnd();
-  }
-
-  // Print out jump tables referenced by the function.
-  EmitJumpTableInfo();
-
-  // Emit post-function debug and/or EH information.
-  for (const HandlerInfo &HI : Handlers) {
-    NamedRegionTimer T(HI.TimerName, HI.TimerDescription, HI.TimerGroupName,
-                       HI.TimerGroupDescription, TimePassesIsEnabled);
-    HI.Handler->endFunction(MF);
-  }
-
-  // Emit section containing stack size metadata.
-  emitStackSizeSection(*MF);
-
-  if (isVerbose())
-    OutStreamer->GetCommentOS() << "-- End function\n";
-
-  OutStreamer->AddBlankLine();
-}
-
-/// Compute the number of Global Variables that uses a Constant.
-static unsigned getNumGlobalVariableUses(const Constant *C) {
-  if (!C)
-    return 0;
-
-  if (isa<GlobalVariable>(C))
-    return 1;
-
-  unsigned NumUses = 0;
-  for (auto *CU : C->users())
-    NumUses += getNumGlobalVariableUses(dyn_cast<Constant>(CU));
-
-  return NumUses;
-}
-
-/// Only consider global GOT equivalents if at least one user is a
-/// cstexpr inside an initializer of another global variables. Also, don't
-/// handle cstexpr inside instructions. During global variable emission,
-/// candidates are skipped and are emitted later in case at least one cstexpr
-/// isn't replaced by a PC relative GOT entry access.
-static bool isGOTEquivalentCandidate(const GlobalVariable *GV,
-                                     unsigned &NumGOTEquivUsers) {
-  // Global GOT equivalents are unnamed private globals with a constant
-  // pointer initializer to another global symbol. They must point to a
-  // GlobalVariable or Function, i.e., as GlobalValue.
-  if (!GV->hasGlobalUnnamedAddr() || !GV->hasInitializer() ||
-      !GV->isConstant() || !GV->isDiscardableIfUnused() ||
-      !dyn_cast<GlobalValue>(GV->getOperand(0)))
-    return false;
-
-  // To be a got equivalent, at least one of its users need to be a constant
-  // expression used by another global variable.
-  for (auto *U : GV->users())
-    NumGOTEquivUsers += getNumGlobalVariableUses(dyn_cast<Constant>(U));
-
-  return NumGOTEquivUsers > 0;
-}
-
-/// Unnamed constant global variables solely contaning a pointer to
-/// another globals variable is equivalent to a GOT table entry; it contains the
-/// the address of another symbol. Optimize it and replace accesses to these
-/// "GOT equivalents" by using the GOT entry for the final global instead.
-/// Compute GOT equivalent candidates among all global variables to avoid
-/// emitting them if possible later on, after it use is replaced by a GOT entry
-/// access.
-void AsmPrinter::computeGlobalGOTEquivs(Module &M) {
-  if (!getObjFileLowering().supportIndirectSymViaGOTPCRel())
-    return;
-
-  for (const auto &G : M.globals()) {
-    unsigned NumGOTEquivUsers = 0;
-    if (!isGOTEquivalentCandidate(&G, NumGOTEquivUsers))
-      continue;
-
-    const MCSymbol *GOTEquivSym = getSymbol(&G);
-    GlobalGOTEquivs[GOTEquivSym] = std::make_pair(&G, NumGOTEquivUsers);
-  }
-}
-
-/// Constant expressions using GOT equivalent globals may not be eligible
-/// for PC relative GOT entry conversion, in such cases we need to emit such
-/// globals we previously omitted in EmitGlobalVariable.
-void AsmPrinter::emitGlobalGOTEquivs() {
-  if (!getObjFileLowering().supportIndirectSymViaGOTPCRel())
-    return;
-
-  SmallVector<const GlobalVariable *, 8> FailedCandidates;
-  for (auto &I : GlobalGOTEquivs) {
-    const GlobalVariable *GV = I.second.first;
-    unsigned Cnt = I.second.second;
-    if (Cnt)
-      FailedCandidates.push_back(GV);
-  }
-  GlobalGOTEquivs.clear();
-
-  for (auto *GV : FailedCandidates)
-    EmitGlobalVariable(GV);
-}
-
-void AsmPrinter::emitGlobalIndirectSymbol(Module &M,
-                                          const GlobalIndirectSymbol& GIS) {
-  MCSymbol *Name = getSymbol(&GIS);
-
-  if (GIS.hasExternalLinkage() || !MAI->getWeakRefDirective())
-    OutStreamer->EmitSymbolAttribute(Name, MCSA_Global);
-  else if (GIS.hasWeakLinkage() || GIS.hasLinkOnceLinkage())
-    OutStreamer->EmitSymbolAttribute(Name, MCSA_WeakReference);
-  else
-    assert(GIS.hasLocalLinkage() && "Invalid alias or ifunc linkage");
-
-  // Set the symbol type to function if the alias has a function type.
-  // This affects codegen when the aliasee is not a function.
-  if (GIS.getType()->getPointerElementType()->isFunctionTy()) {
-    OutStreamer->EmitSymbolAttribute(Name, MCSA_ELF_TypeFunction);
-    if (isa<GlobalIFunc>(GIS))
-      OutStreamer->EmitSymbolAttribute(Name, MCSA_ELF_TypeIndFunction);
-  }
-
-  EmitVisibility(Name, GIS.getVisibility());
-
-  const MCExpr *Expr = lowerConstant(GIS.getIndirectSymbol());
-
-  if (isa<GlobalAlias>(&GIS) && MAI->hasAltEntry() && isa<MCBinaryExpr>(Expr))
-    OutStreamer->EmitSymbolAttribute(Name, MCSA_AltEntry);
-
-  // Emit the directives as assignments aka .set:
-  OutStreamer->EmitAssignment(Name, Expr);
-
-  if (auto *GA = dyn_cast<GlobalAlias>(&GIS)) {
-    // If the aliasee does not correspond to a symbol in the output, i.e. the
-    // alias is not of an object or the aliased object is private, then set the
-    // size of the alias symbol from the type of the alias. We don't do this in
-    // other situations as the alias and aliasee having differing types but same
-    // size may be intentional.
-    const GlobalObject *BaseObject = GA->getBaseObject();
-    if (MAI->hasDotTypeDotSizeDirective() && GA->getValueType()->isSized() &&
-        (!BaseObject || BaseObject->hasPrivateLinkage())) {
-      const DataLayout &DL = M.getDataLayout();
-      uint64_t Size = DL.getTypeAllocSize(GA->getValueType());
-      OutStreamer->emitELFSize(Name, MCConstantExpr::create(Size, OutContext));
-    }
-  }
-}
-
-bool AsmPrinter::doFinalization(Module &M) {
-  // Set the MachineFunction to nullptr so that we can catch attempted
-  // accesses to MF specific features at the module level and so that
-  // we can conditionalize accesses based on whether or not it is nullptr.
-  MF = nullptr;
-
-  // Gather all GOT equivalent globals in the module. We really need two
-  // passes over the globals: one to compute and another to avoid its emission
-  // in EmitGlobalVariable, otherwise we would not be able to handle cases
-  // where the got equivalent shows up before its use.
-  computeGlobalGOTEquivs(M);
-
-  // Emit global variables.
-  for (const auto &G : M.globals())
-    EmitGlobalVariable(&G);
-
-  // Emit remaining GOT equivalent globals.
-  emitGlobalGOTEquivs();
-
-  // Emit visibility info for declarations
-  for (const Function &F : M) {
-    if (!F.isDeclarationForLinker())
-      continue;
-    GlobalValue::VisibilityTypes V = F.getVisibility();
-    if (V == GlobalValue::DefaultVisibility)
-      continue;
-
-    MCSymbol *Name = getSymbol(&F);
-    EmitVisibility(Name, V, false);
-  }
-
-  const TargetLoweringObjectFile &TLOF = getObjFileLowering();
-
-  TLOF.emitModuleMetadata(*OutStreamer, M);
-
-  if (TM.getTargetTriple().isOSBinFormatELF()) {
-    MachineModuleInfoELF &MMIELF = MMI->getObjFileInfo<MachineModuleInfoELF>();
-
-    // Output stubs for external and common global variables.
-    MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
-    if (!Stubs.empty()) {
-      OutStreamer->SwitchSection(TLOF.getDataSection());
-      const DataLayout &DL = M.getDataLayout();
-
-      EmitAlignment(Log2_32(DL.getPointerSize()));
-      for (const auto &Stub : Stubs) {
-        OutStreamer->EmitLabel(Stub.first);
-        OutStreamer->EmitSymbolValue(Stub.second.getPointer(),
-                                     DL.getPointerSize());
-      }
-    }
-  }
-
-  if (TM.getTargetTriple().isOSBinFormatCOFF()) {
-    MachineModuleInfoCOFF &MMICOFF =
-        MMI->getObjFileInfo<MachineModuleInfoCOFF>();
-
-    // Output stubs for external and common global variables.
-    MachineModuleInfoCOFF::SymbolListTy Stubs = MMICOFF.GetGVStubList();
-    if (!Stubs.empty()) {
-      const DataLayout &DL = M.getDataLayout();
-
-      for (const auto &Stub : Stubs) {
-        SmallString<256> SectionName = StringRef(".rdata$");
-        SectionName += Stub.first->getName();
-        OutStreamer->SwitchSection(OutContext.getCOFFSection(
-            SectionName,
-            COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ |
-                COFF::IMAGE_SCN_LNK_COMDAT,
-            SectionKind::getReadOnly(), Stub.first->getName(),
-            COFF::IMAGE_COMDAT_SELECT_ANY));
-        EmitAlignment(Log2_32(DL.getPointerSize()));
-        OutStreamer->EmitSymbolAttribute(Stub.first, MCSA_Global);
-        OutStreamer->EmitLabel(Stub.first);
-        OutStreamer->EmitSymbolValue(Stub.second.getPointer(),
-                                     DL.getPointerSize());
-      }
-    }
-  }
-
-  // Finalize debug and EH information.
-  for (const HandlerInfo &HI : Handlers) {
-    NamedRegionTimer T(HI.TimerName, HI.TimerDescription, HI.TimerGroupName,
-                       HI.TimerGroupDescription, TimePassesIsEnabled);
-    HI.Handler->endModule();
-    delete HI.Handler;
-  }
-  Handlers.clear();
-  DD = nullptr;
-
-  // If the target wants to know about weak references, print them all.
-  if (MAI->getWeakRefDirective()) {
-    // FIXME: This is not lazy, it would be nice to only print weak references
-    // to stuff that is actually used.  Note that doing so would require targets
-    // to notice uses in operands (due to constant exprs etc).  This should
-    // happen with the MC stuff eventually.
-
-    // Print out module-level global objects here.
-    for (const auto &GO : M.global_objects()) {
-      if (!GO.hasExternalWeakLinkage())
-        continue;
-      OutStreamer->EmitSymbolAttribute(getSymbol(&GO), MCSA_WeakReference);
-    }
-  }
-
-  OutStreamer->AddBlankLine();
-
-  // Print aliases in topological order, that is, for each alias a = b,
-  // b must be printed before a.
-  // This is because on some targets (e.g. PowerPC) linker expects aliases in
-  // such an order to generate correct TOC information.
-  SmallVector<const GlobalAlias *, 16> AliasStack;
-  SmallPtrSet<const GlobalAlias *, 16> AliasVisited;
-  for (const auto &Alias : M.aliases()) {
-    for (const GlobalAlias *Cur = &Alias; Cur;
-         Cur = dyn_cast<GlobalAlias>(Cur->getAliasee())) {
-      if (!AliasVisited.insert(Cur).second)
-        break;
-      AliasStack.push_back(Cur);
-    }
-    for (const GlobalAlias *AncestorAlias : llvm::reverse(AliasStack))
-      emitGlobalIndirectSymbol(M, *AncestorAlias);
-    AliasStack.clear();
-  }
-  for (const auto &IFunc : M.ifuncs())
-    emitGlobalIndirectSymbol(M, IFunc);
-
-  GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
-  assert(MI && "AsmPrinter didn't require GCModuleInfo?");
-  for (GCModuleInfo::iterator I = MI->end(), E = MI->begin(); I != E; )
-    if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(**--I))
-      MP->finishAssembly(M, *MI, *this);
-
-  // Emit llvm.ident metadata in an '.ident' directive.
-  EmitModuleIdents(M);
-
-  // Emit bytes for llvm.commandline metadata.
-  EmitModuleCommandLines(M);
-
-  // Emit __morestack address if needed for indirect calls.
-  if (MMI->usesMorestackAddr()) {
-    unsigned Align = 1;
-    MCSection *ReadOnlySection = getObjFileLowering().getSectionForConstant(
-        getDataLayout(), SectionKind::getReadOnly(),
-        /*C=*/nullptr, Align);
-    OutStreamer->SwitchSection(ReadOnlySection);
-
-    MCSymbol *AddrSymbol =
-        OutContext.getOrCreateSymbol(StringRef("__morestack_addr"));
-    OutStreamer->EmitLabel(AddrSymbol);
-
-    unsigned PtrSize = MAI->getCodePointerSize();
-    OutStreamer->EmitSymbolValue(GetExternalSymbolSymbol("__morestack"),
-                                 PtrSize);
-  }
-
-  // Emit .note.GNU-split-stack and .note.GNU-no-split-stack sections if
-  // split-stack is used.
-  if (TM.getTargetTriple().isOSBinFormatELF() && MMI->hasSplitStack()) {
-    OutStreamer->SwitchSection(
-        OutContext.getELFSection(".note.GNU-split-stack", ELF::SHT_PROGBITS, 0));
-    if (MMI->hasNosplitStack())
-      OutStreamer->SwitchSection(
-          OutContext.getELFSection(".note.GNU-no-split-stack", ELF::SHT_PROGBITS, 0));
-  }
-
-  // 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 (MCSection *S = MAI->getNonexecutableStackSection(OutContext))
-      OutStreamer->SwitchSection(S);
-
-  if (TM.getTargetTriple().isOSBinFormatCOFF()) {
-    // Emit /EXPORT: flags for each exported global as necessary.
-    const auto &TLOF = getObjFileLowering();
-    std::string Flags;
-
-    for (const GlobalValue &GV : M.global_values()) {
-      raw_string_ostream OS(Flags);
-      TLOF.emitLinkerFlagsForGlobal(OS, &GV);
-      OS.flush();
-      if (!Flags.empty()) {
-        OutStreamer->SwitchSection(TLOF.getDrectveSection());
-        OutStreamer->EmitBytes(Flags);
-      }
-      Flags.clear();
-    }
-
-    // Emit /INCLUDE: flags for each used global as necessary.
-    if (const auto *LU = M.getNamedGlobal("llvm.used")) {
-      assert(LU->hasInitializer() &&
-             "expected llvm.used to have an initializer");
-      assert(isa<ArrayType>(LU->getValueType()) &&
-             "expected llvm.used to be an array type");
-      if (const auto *A = cast<ConstantArray>(LU->getInitializer())) {
-        for (const Value *Op : A->operands()) {
-          const auto *GV =
-              cast<GlobalValue>(Op->stripPointerCastsNoFollowAliases());
-          // Global symbols with internal or private linkage are not visible to
-          // the linker, and thus would cause an error when the linker tried to
-          // preserve the symbol due to the `/include:` directive.
-          if (GV->hasLocalLinkage())
-            continue;
-
-          raw_string_ostream OS(Flags);
-          TLOF.emitLinkerFlagsForUsed(OS, GV);
-          OS.flush();
-
-          if (!Flags.empty()) {
-            OutStreamer->SwitchSection(TLOF.getDrectveSection());
-            OutStreamer->EmitBytes(Flags);
-          }
-          Flags.clear();
-        }
-      }
-    }
-  }
-
-  if (TM.Options.EmitAddrsig) {
-    // Emit address-significance attributes for all globals.
-    OutStreamer->EmitAddrsig();
-    for (const GlobalValue &GV : M.global_values())
-      if (!GV.use_empty() && !GV.isThreadLocal() &&
-          !GV.hasDLLImportStorageClass() && !GV.getName().startswith("llvm.") &&
-          !GV.hasAtLeastLocalUnnamedAddr())
-        OutStreamer->EmitAddrsigSym(getSymbol(&GV));
-  }
-
-  // Allow the target to emit any magic that it wants at the end of the file,
-  // after everything else has gone out.
-  EmitEndOfAsmFile(M);
-
-  MMI = nullptr;
-
-  OutStreamer->Finish();
-  OutStreamer->reset();
-  OwnedMLI.reset();
-  OwnedMDT.reset();
-
-  return false;
-}
-
-MCSymbol *AsmPrinter::getCurExceptionSym() {
-  if (!CurExceptionSym)
-    CurExceptionSym = createTempSymbol("exception");
-  return CurExceptionSym;
-}
-
-void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
-  this->MF = &MF;
-  // Get the function symbol.
-  CurrentFnSym = getSymbol(&MF.getFunction());
-  CurrentFnSymForSize = CurrentFnSym;
-  CurrentFnBegin = nullptr;
-  CurExceptionSym = nullptr;
-  bool NeedsLocalForSize = MAI->needsLocalForSize();
-  if (needFuncLabelsForEHOrDebugInfo(MF, MMI) || NeedsLocalForSize ||
-      MF.getTarget().Options.EmitStackSizeSection) {
-    CurrentFnBegin = createTempSymbol("func_begin");
-    if (NeedsLocalForSize)
-      CurrentFnSymForSize = CurrentFnBegin;
-  }
-
-  ORE = &getAnalysis<MachineOptimizationRemarkEmitterPass>().getORE();
-
-  const TargetSubtargetInfo &STI = MF.getSubtarget();
-  EnablePrintSchedInfo = PrintSchedule.getNumOccurrences()
-                             ? PrintSchedule
-                             : STI.supportPrintSchedInfo();
-}
-
-namespace {
-
-// Keep track the alignment, constpool entries per Section.
-  struct SectionCPs {
-    MCSection *S;
-    unsigned Alignment;
-    SmallVector<unsigned, 4> CPEs;
-
-    SectionCPs(MCSection *s, unsigned a) : S(s), Alignment(a) {}
-  };
-
-} // end anonymous namespace
-
-/// 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() {
-  const MachineConstantPool *MCP = MF->getConstantPool();
-  const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
-  if (CP.empty()) return;
-
-  // Calculate sections for constant pool entries. We collect entries to go into
-  // the same section together to reduce amount of section switch statements.
-  SmallVector<SectionCPs, 4> CPSections;
-  for (unsigned i = 0, e = CP.size(); i != e; ++i) {
-    const MachineConstantPoolEntry &CPE = CP[i];
-    unsigned Align = CPE.getAlignment();
-
-    SectionKind Kind = CPE.getSectionKind(&getDataLayout());
-
-    const Constant *C = nullptr;
-    if (!CPE.isMachineConstantPoolEntry())
-      C = CPE.Val.ConstVal;
-
-    MCSection *S = getObjFileLowering().getSectionForConstant(getDataLayout(),
-                                                              Kind, C, Align);
-
-    // The number of sections are small, just do a linear search from the
-    // last section to the first.
-    bool Found = false;
-    unsigned SecIdx = CPSections.size();
-    while (SecIdx != 0) {
-      if (CPSections[--SecIdx].S == S) {
-        Found = true;
-        break;
-      }
-    }
-    if (!Found) {
-      SecIdx = CPSections.size();
-      CPSections.push_back(SectionCPs(S, Align));
-    }
-
-    if (Align > CPSections[SecIdx].Alignment)
-      CPSections[SecIdx].Alignment = Align;
-    CPSections[SecIdx].CPEs.push_back(i);
-  }
-
-  // Now print stuff into the calculated sections.
-  const MCSection *CurSection = nullptr;
-  unsigned Offset = 0;
-  for (unsigned i = 0, e = CPSections.size(); i != e; ++i) {
-    for (unsigned j = 0, ee = CPSections[i].CPEs.size(); j != ee; ++j) {
-      unsigned CPI = CPSections[i].CPEs[j];
-      MCSymbol *Sym = GetCPISymbol(CPI);
-      if (!Sym->isUndefined())
-        continue;
-
-      if (CurSection != CPSections[i].S) {
-        OutStreamer->SwitchSection(CPSections[i].S);
-        EmitAlignment(Log2_32(CPSections[i].Alignment));
-        CurSection = CPSections[i].S;
-        Offset = 0;
-      }
-
-      MachineConstantPoolEntry CPE = CP[CPI];
-
-      // Emit inter-object padding for alignment.
-      unsigned AlignMask = CPE.getAlignment() - 1;
-      unsigned NewOffset = (Offset + AlignMask) & ~AlignMask;
-      OutStreamer->EmitZeros(NewOffset - Offset);
-
-      Type *Ty = CPE.getType();
-      Offset = NewOffset + getDataLayout().getTypeAllocSize(Ty);
-
-      OutStreamer->EmitLabel(Sym);
-      if (CPE.isMachineConstantPoolEntry())
-        EmitMachineConstantPoolValue(CPE.Val.MachineCPVal);
-      else
-        EmitGlobalConstant(getDataLayout(), CPE.Val.ConstVal);
-    }
-  }
-}
-
-/// EmitJumpTableInfo - Print assembly representations of the jump tables used
-/// by the current function to the current output stream.
-void AsmPrinter::EmitJumpTableInfo() {
-  const DataLayout &DL = MF->getDataLayout();
-  const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo();
-  if (!MJTI) return;
-  if (MJTI->getEntryKind() == MachineJumpTableInfo::EK_Inline) return;
-  const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
-  if (JT.empty()) return;
-
-  // Pick the directive to use to print the jump table entries, and switch to
-  // the appropriate section.
-  const Function &F = MF->getFunction();
-  const TargetLoweringObjectFile &TLOF = getObjFileLowering();
-  bool JTInDiffSection = !TLOF.shouldPutJumpTableInFunctionSection(
-      MJTI->getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32,
-      F);
-  if (JTInDiffSection) {
-    // Drop it in the readonly section.
-    MCSection *ReadOnlySection = TLOF.getSectionForJumpTable(F, TM);
-    OutStreamer->SwitchSection(ReadOnlySection);
-  }
-
-  EmitAlignment(Log2_32(MJTI->getEntryAlignment(DL)));
-
-  // Jump tables in code sections are marked with a data_region directive
-  // where that's supported.
-  if (!JTInDiffSection)
-    OutStreamer->EmitDataRegion(MCDR_DataRegionJT32);
-
-  for (unsigned JTI = 0, e = JT.size(); JTI != e; ++JTI) {
-    const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs;
-
-    // If this jump table was deleted, ignore it.
-    if (JTBBs.empty()) continue;
-
-    // For the EK_LabelDifference32 entry, if using .set avoids a relocation,
-    /// emit a .set directive for each unique entry.
-    if (MJTI->getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32 &&
-        MAI->doesSetDirectiveSuppressReloc()) {
-      SmallPtrSet<const MachineBasicBlock*, 16> EmittedSets;
-      const TargetLowering *TLI = MF->getSubtarget().getTargetLowering();
-      const MCExpr *Base = TLI->getPICJumpTableRelocBaseExpr(MF,JTI,OutContext);
-      for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
-        const MachineBasicBlock *MBB = JTBBs[ii];
-        if (!EmittedSets.insert(MBB).second)
-          continue;
-
-        // .set LJTSet, LBB32-base
-        const MCExpr *LHS =
-          MCSymbolRefExpr::create(MBB->getSymbol(), OutContext);
-        OutStreamer->EmitAssignment(GetJTSetSymbol(JTI, MBB->getNumber()),
-                                    MCBinaryExpr::createSub(LHS, Base,
-                                                            OutContext));
-      }
-    }
-
-    // On some targets (e.g. Darwin) we want to emit two consecutive 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 (JTInDiffSection && DL.hasLinkerPrivateGlobalPrefix())
-      // FIXME: This doesn't have to have any specific name, just any randomly
-      // named and numbered 'l' label would work.  Simplify GetJTISymbol.
-      OutStreamer->EmitLabel(GetJTISymbol(JTI, true));
-
-    OutStreamer->EmitLabel(GetJTISymbol(JTI));
-
-    for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii)
-      EmitJumpTableEntry(MJTI, JTBBs[ii], JTI);
-  }
-  if (!JTInDiffSection)
-    OutStreamer->EmitDataRegion(MCDR_DataRegionEnd);
-}
-
-/// EmitJumpTableEntry - Emit a jump table entry for the specified MBB to the
-/// current stream.
-void AsmPrinter::EmitJumpTableEntry(const MachineJumpTableInfo *MJTI,
-                                    const MachineBasicBlock *MBB,
-                                    unsigned UID) const {
-  assert(MBB && MBB->getNumber() >= 0 && "Invalid basic block");
-  const MCExpr *Value = nullptr;
-  switch (MJTI->getEntryKind()) {
-  case MachineJumpTableInfo::EK_Inline:
-    llvm_unreachable("Cannot emit EK_Inline jump table entry");
-  case MachineJumpTableInfo::EK_Custom32:
-    Value = MF->getSubtarget().getTargetLowering()->LowerCustomJumpTableEntry(
-        MJTI, MBB, UID, OutContext);
-    break;
-  case MachineJumpTableInfo::EK_BlockAddress:
-    // EK_BlockAddress - Each entry is a plain address of block, e.g.:
-    //     .word LBB123
-    Value = MCSymbolRefExpr::create(MBB->getSymbol(), OutContext);
-    break;
-  case MachineJumpTableInfo::EK_GPRel32BlockAddress: {
-    // EK_GPRel32BlockAddress - Each entry is an address of block, encoded
-    // with a relocation as gp-relative, e.g.:
-    //     .gprel32 LBB123
-    MCSymbol *MBBSym = MBB->getSymbol();
-    OutStreamer->EmitGPRel32Value(MCSymbolRefExpr::create(MBBSym, OutContext));
-    return;
-  }
-
-  case MachineJumpTableInfo::EK_GPRel64BlockAddress: {
-    // EK_GPRel64BlockAddress - Each entry is an address of block, encoded
-    // with a relocation as gp-relative, e.g.:
-    //     .gpdword LBB123
-    MCSymbol *MBBSym = MBB->getSymbol();
-    OutStreamer->EmitGPRel64Value(MCSymbolRefExpr::create(MBBSym, OutContext));
-    return;
-  }
-
-  case MachineJumpTableInfo::EK_LabelDifference32: {
-    // Each entry is the address of the block minus the address of the jump
-    // table. This is used for PIC jump tables where gprel32 is not supported.
-    // e.g.:
-    //      .word LBB123 - LJTI1_2
-    // If the .set directive avoids relocations, this is emitted as:
-    //      .set L4_5_set_123, LBB123 - LJTI1_2
-    //      .word L4_5_set_123
-    if (MAI->doesSetDirectiveSuppressReloc()) {
-      Value = MCSymbolRefExpr::create(GetJTSetSymbol(UID, MBB->getNumber()),
-                                      OutContext);
-      break;
-    }
-    Value = MCSymbolRefExpr::create(MBB->getSymbol(), OutContext);
-    const TargetLowering *TLI = MF->getSubtarget().getTargetLowering();
-    const MCExpr *Base = TLI->getPICJumpTableRelocBaseExpr(MF, UID, OutContext);
-    Value = MCBinaryExpr::createSub(Value, Base, OutContext);
-    break;
-  }
-  }
-
-  assert(Value && "Unknown entry kind!");
-
-  unsigned EntrySize = MJTI->getEntrySize(getDataLayout());
-  OutStreamer->EmitValue(Value, EntrySize);
-}
-
-/// 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 (MAI->hasNoDeadStrip())    // No need to emit this at all.
-      EmitLLVMUsedList(cast<ConstantArray>(GV->getInitializer()));
-    return true;
-  }
-
-  // Ignore debug and non-emitted data.  This handles llvm.compiler.used.
-  if (GV->getSection() == "llvm.metadata" ||
-      GV->hasAvailableExternallyLinkage())
-    return true;
-
-  if (!GV->hasAppendingLinkage()) return false;
-
-  assert(GV->hasInitializer() && "Not a special LLVM global!");
-
-  if (GV->getName() == "llvm.global_ctors") {
-    EmitXXStructorList(GV->getParent()->getDataLayout(), GV->getInitializer(),
-                       /* isCtor */ true);
-
-    return true;
-  }
-
-  if (GV->getName() == "llvm.global_dtors") {
-    EmitXXStructorList(GV->getParent()->getDataLayout(), GV->getInitializer(),
-                       /* isCtor */ false);
-
-    return true;
-  }
-
-  report_fatal_error("unknown special variable");
-}
-
-/// EmitLLVMUsedList - For targets that define a MAI::UsedDirective, mark each
-/// global in the specified llvm.used list for which emitUsedDirectiveFor
-/// is true, as being used with this directive.
-void AsmPrinter::EmitLLVMUsedList(const ConstantArray *InitList) {
-  // Should be an array of 'i8*'.
-  for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
-    const GlobalValue *GV =
-      dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts());
-    if (GV)
-      OutStreamer->EmitSymbolAttribute(getSymbol(GV), MCSA_NoDeadStrip);
-  }
-}
-
-namespace {
-
-struct Structor {
-  int Priority = 0;
-  Constant *Func = nullptr;
-  GlobalValue *ComdatKey = nullptr;
-
-  Structor() = default;
-};
-
-} // end anonymous namespace
-
-/// EmitXXStructorList - Emit the ctor or dtor list taking into account the init
-/// priority.
-void AsmPrinter::EmitXXStructorList(const DataLayout &DL, const Constant *List,
-                                    bool isCtor) {
-  // Should be an array of '{ int, void ()* }' structs.  The first value is the
-  // init priority.
-  if (!isa<ConstantArray>(List)) return;
-
-  // Sanity check the structors list.
-  const ConstantArray *InitList = dyn_cast<ConstantArray>(List);
-  if (!InitList) return; // Not an array!
-  StructType *ETy = dyn_cast<StructType>(InitList->getType()->getElementType());
-  // FIXME: Only allow the 3-field form in LLVM 4.0.
-  if (!ETy || ETy->getNumElements() < 2 || ETy->getNumElements() > 3)
-    return; // Not an array of two or three elements!
-  if (!isa<IntegerType>(ETy->getTypeAtIndex(0U)) ||
-      !isa<PointerType>(ETy->getTypeAtIndex(1U))) return; // Not (int, ptr).
-  if (ETy->getNumElements() == 3 && !isa<PointerType>(ETy->getTypeAtIndex(2U)))
-    return; // Not (int, ptr, ptr).
-
-  // Gather the structors in a form that's convenient for sorting by priority.
-  SmallVector<Structor, 8> Structors;
-  for (Value *O : InitList->operands()) {
-    ConstantStruct *CS = dyn_cast<ConstantStruct>(O);
-    if (!CS) continue; // Malformed.
-    if (CS->getOperand(1)->isNullValue())
-      break;  // Found a null terminator, skip the rest.
-    ConstantInt *Priority = dyn_cast<ConstantInt>(CS->getOperand(0));
-    if (!Priority) continue; // Malformed.
-    Structors.push_back(Structor());
-    Structor &S = Structors.back();
-    S.Priority = Priority->getLimitedValue(65535);
-    S.Func = CS->getOperand(1);
-    if (ETy->getNumElements() == 3 && !CS->getOperand(2)->isNullValue())
-      S.ComdatKey =
-          dyn_cast<GlobalValue>(CS->getOperand(2)->stripPointerCasts());
-  }
-
-  // Emit the function pointers in the target-specific order
-  unsigned Align = Log2_32(DL.getPointerPrefAlignment());
-  std::stable_sort(Structors.begin(), Structors.end(),
-                   [](const Structor &L,
-                      const Structor &R) { return L.Priority < R.Priority; });
-  for (Structor &S : Structors) {
-    const TargetLoweringObjectFile &Obj = getObjFileLowering();
-    const MCSymbol *KeySym = nullptr;
-    if (GlobalValue *GV = S.ComdatKey) {
-      if (GV->isDeclarationForLinker())
-        // If the associated variable is not defined in this module
-        // (it might be available_externally, or have been an
-        // available_externally definition that was dropped by the
-        // EliminateAvailableExternally pass), some other TU
-        // will provide its dynamic initializer.
-        continue;
-
-      KeySym = getSymbol(GV);
-    }
-    MCSection *OutputSection =
-        (isCtor ? Obj.getStaticCtorSection(S.Priority, KeySym)
-                : Obj.getStaticDtorSection(S.Priority, KeySym));
-    OutStreamer->SwitchSection(OutputSection);
-    if (OutStreamer->getCurrentSection() != OutStreamer->getPreviousSection())
-      EmitAlignment(Align);
-    EmitXXStructor(DL, S.Func);
-  }
-}
-
-void AsmPrinter::EmitModuleIdents(Module &M) {
-  if (!MAI->hasIdentDirective())
-    return;
-
-  if (const NamedMDNode *NMD = M.getNamedMetadata("llvm.ident")) {
-    for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
-      const MDNode *N = NMD->getOperand(i);
-      assert(N->getNumOperands() == 1 &&
-             "llvm.ident metadata entry can have only one operand");
-      const MDString *S = cast<MDString>(N->getOperand(0));
-      OutStreamer->EmitIdent(S->getString());
-    }
-  }
-}
-
-void AsmPrinter::EmitModuleCommandLines(Module &M) {
-  MCSection *CommandLine = getObjFileLowering().getSectionForCommandLines();
-  if (!CommandLine)
-    return;
-
-  const NamedMDNode *NMD = M.getNamedMetadata("llvm.commandline");
-  if (!NMD || !NMD->getNumOperands())
-    return;
-
-  OutStreamer->PushSection();
-  OutStreamer->SwitchSection(CommandLine);
-  OutStreamer->EmitZeros(1);
-  for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
-    const MDNode *N = NMD->getOperand(i);
-    assert(N->getNumOperands() == 1 &&
-           "llvm.commandline metadata entry can have only one operand");
-    const MDString *S = cast<MDString>(N->getOperand(0));
-    OutStreamer->EmitBytes(S->getString());
-    OutStreamer->EmitZeros(1);
-  }
-  OutStreamer->PopSection();
-}
-
-//===--------------------------------------------------------------------===//
-// Emission and print routines
-//
-
-/// Emit a byte directive and value.
-///
-void AsmPrinter::emitInt8(int Value) const {
-  OutStreamer->EmitIntValue(Value, 1);
-}
-
-/// Emit a short directive and value.
-void AsmPrinter::emitInt16(int Value) const {
-  OutStreamer->EmitIntValue(Value, 2);
-}
-
-/// Emit a long directive and value.
-void AsmPrinter::emitInt32(int Value) const {
-  OutStreamer->EmitIntValue(Value, 4);
-}
-
-/// Emit a long long directive and value.
-void AsmPrinter::emitInt64(uint64_t Value) const {
-  OutStreamer->EmitIntValue(Value, 8);
-}
-
-/// Emit something like ".long Hi-Lo" where the size in bytes of the directive
-/// is specified by Size and Hi/Lo specify the labels. This implicitly uses
-/// .set if it avoids relocations.
-void AsmPrinter::EmitLabelDifference(const MCSymbol *Hi, const MCSymbol *Lo,
-                                     unsigned Size) const {
-  OutStreamer->emitAbsoluteSymbolDiff(Hi, Lo, Size);
-}
-
-/// EmitLabelPlusOffset - Emit something like ".long Label+Offset"
-/// where the size in bytes of the directive is specified by Size and Label
-/// specifies the label.  This implicitly uses .set if it is available.
-void AsmPrinter::EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
-                                     unsigned Size,
-                                     bool IsSectionRelative) const {
-  if (MAI->needsDwarfSectionOffsetDirective() && IsSectionRelative) {
-    OutStreamer->EmitCOFFSecRel32(Label, Offset);
-    if (Size > 4)
-      OutStreamer->EmitZeros(Size - 4);
-    return;
-  }
-
-  // Emit Label+Offset (or just Label if Offset is zero)
-  const MCExpr *Expr = MCSymbolRefExpr::create(Label, OutContext);
-  if (Offset)
-    Expr = MCBinaryExpr::createAdd(
-        Expr, MCConstantExpr::create(Offset, OutContext), OutContext);
-
-  OutStreamer->EmitValue(Expr, Size);
-}
-
-//===----------------------------------------------------------------------===//
-
-// 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 override the alignment request
-// if required for correctness.
-void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalObject *GV) const {
-  if (GV)
-    NumBits = getGVAlignmentLog2(GV, GV->getParent()->getDataLayout(), NumBits);
-
-  if (NumBits == 0) return;   // 1-byte aligned: no need to emit alignment.
-
-  assert(NumBits <
-             static_cast<unsigned>(std::numeric_limits<unsigned>::digits) &&
-         "undefined behavior");
-  if (getCurrentSection()->getKind().isText())
-    OutStreamer->EmitCodeAlignment(1u << NumBits);
-  else
-    OutStreamer->EmitValueToAlignment(1u << NumBits);
-}
-
-//===----------------------------------------------------------------------===//
-/// EmitTrapAlignment - Emit an alignment directive to the specified power of
-/// two boundary, but call EmitTrapToAlignment to fill with Trap instructions
-/// if the Target implements EmitTrapToAlignment.
-void AsmPrinter::EmitTrapAlignment(unsigned NumBits, const GlobalObject *GV) const {
-  if (GV)
-    NumBits = getGVAlignmentLog2(GV, GV->getParent()->getDataLayout(), NumBits);
-
-  if (NumBits == 0) return;   // 1-byte aligned: no need to emit alignment.
-
-  assert(NumBits <
-             static_cast<unsigned>(std::numeric_limits<unsigned>::digits) &&
-         "undefined behavior");
-  EmitTrapToAlignment(NumBits);
-}
-
-//===----------------------------------------------------------------------===//
-/// EmitTrapToAlignment - Emit an alignment directive to the specified power
-/// of two boundary. This default implementation calls EmitCodeAlignment on
-/// the OutStreamer, but can be overridden by Target implementations.
-void AsmPrinter::EmitTrapToAlignment(unsigned NumBits) const {
-  if (NumBits == 0) return;
-  OutStreamer->EmitCodeAlignment(1u << NumBits);
-}
-
-
-
-//===----------------------------------------------------------------------===//
-// Constant emission.
-//===----------------------------------------------------------------------===//
-
-const MCExpr *AsmPrinter::lowerConstant(const Constant *CV) {
-  MCContext &Ctx = OutContext;
-
-  if (CV->isNullValue() || isa<UndefValue>(CV))
-    return MCConstantExpr::create(0, Ctx);
-
-  if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV))
-    return MCConstantExpr::create(CI->getZExtValue(), Ctx);
-
-  if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
-    return MCSymbolRefExpr::create(getSymbol(GV), Ctx);
-
-  if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV))
-    return MCSymbolRefExpr::create(GetBlockAddressSymbol(BA), Ctx);
-
-  const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV);
-  if (!CE) {
-    llvm_unreachable("Unknown constant value to lower!");
-  }
-
-  switch (CE->getOpcode()) {
-  default:
-    // If the code isn't optimized, there may be outstanding folding
-    // opportunities. Attempt to fold the expression using DataLayout as a
-    // last resort before giving up.
-    if (Constant *C = ConstantFoldConstant(CE, getDataLayout()))
-      if (C != CE)
-        return lowerConstant(C);
-
-    // Otherwise report the problem to the user.
-    {
-      std::string S;
-      raw_string_ostream OS(S);
-      OS << "Unsupported expression in static initializer: ";
-      CE->printAsOperand(OS, /*PrintType=*/false,
-                     !MF ? nullptr : MF->getFunction().getParent());
-      report_fatal_error(OS.str());
-    }
-  case Instruction::GetElementPtr: {
-    // Generate a symbolic expression for the byte address
-    APInt OffsetAI(getDataLayout().getPointerTypeSizeInBits(CE->getType()), 0);
-    cast<GEPOperator>(CE)->accumulateConstantOffset(getDataLayout(), OffsetAI);
-
-    const MCExpr *Base = lowerConstant(CE->getOperand(0));
-    if (!OffsetAI)
-      return Base;
-
-    int64_t Offset = OffsetAI.getSExtValue();
-    return MCBinaryExpr::createAdd(Base, MCConstantExpr::create(Offset, Ctx),
-                                   Ctx);
-  }
-
-  case Instruction::Trunc:
-    // We emit the value and depend on the assembler to truncate the generated
-    // expression properly.  This is important for differences between
-    // blockaddress labels.  Since the two labels are in the same function, it
-    // is reasonable to treat their delta as a 32-bit value.
-    LLVM_FALLTHROUGH;
-  case Instruction::BitCast:
-    return lowerConstant(CE->getOperand(0));
-
-  case Instruction::IntToPtr: {
-    const DataLayout &DL = getDataLayout();
-
-    // 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, DL.getIntPtrType(CV->getType()),
-                                      false/*ZExt*/);
-    return lowerConstant(Op);
-  }
-
-  case Instruction::PtrToInt: {
-    const DataLayout &DL = getDataLayout();
-
-    // 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);
-    Type *Ty = CE->getType();
-
-    const MCExpr *OpExpr = lowerConstant(Op);
-
-    // We can emit the pointer value into this slot if the slot is an
-    // integer slot equal to the size of the pointer.
-    if (DL.getTypeAllocSize(Ty) == DL.getTypeAllocSize(Op->getType()))
-      return OpExpr;
-
-    // Otherwise the pointer is smaller than the resultant integer, mask off
-    // the high bits so we are sure to get a proper truncation if the input is
-    // a constant expr.
-    unsigned InBits = DL.getTypeAllocSizeInBits(Op->getType());
-    const MCExpr *MaskExpr = MCConstantExpr::create(~0ULL >> (64-InBits), Ctx);
-    return MCBinaryExpr::createAnd(OpExpr, MaskExpr, Ctx);
-  }
-
-  case Instruction::Sub: {
-    GlobalValue *LHSGV;
-    APInt LHSOffset;
-    if (IsConstantOffsetFromGlobal(CE->getOperand(0), LHSGV, LHSOffset,
-                                   getDataLayout())) {
-      GlobalValue *RHSGV;
-      APInt RHSOffset;
-      if (IsConstantOffsetFromGlobal(CE->getOperand(1), RHSGV, RHSOffset,
-                                     getDataLayout())) {
-        const MCExpr *RelocExpr =
-            getObjFileLowering().lowerRelativeReference(LHSGV, RHSGV, TM);
-        if (!RelocExpr)
-          RelocExpr = MCBinaryExpr::createSub(
-              MCSymbolRefExpr::create(getSymbol(LHSGV), Ctx),
-              MCSymbolRefExpr::create(getSymbol(RHSGV), Ctx), Ctx);
-        int64_t Addend = (LHSOffset - RHSOffset).getSExtValue();
-        if (Addend != 0)
-          RelocExpr = MCBinaryExpr::createAdd(
-              RelocExpr, MCConstantExpr::create(Addend, Ctx), Ctx);
-        return RelocExpr;
-      }
-    }
-  }
-  // else fallthrough
-  LLVM_FALLTHROUGH;
-
-  // The MC library also has a right-shift operator, but it isn't consistently
-  // signed or unsigned between different targets.
-  case Instruction::Add:
-  case Instruction::Mul:
-  case Instruction::SDiv:
-  case Instruction::SRem:
-  case Instruction::Shl:
-  case Instruction::And:
-  case Instruction::Or:
-  case Instruction::Xor: {
-    const MCExpr *LHS = lowerConstant(CE->getOperand(0));
-    const MCExpr *RHS = lowerConstant(CE->getOperand(1));
-    switch (CE->getOpcode()) {
-    default: llvm_unreachable("Unknown binary operator constant cast expr");
-    case Instruction::Add: return MCBinaryExpr::createAdd(LHS, RHS, Ctx);
-    case Instruction::Sub: return MCBinaryExpr::createSub(LHS, RHS, Ctx);
-    case Instruction::Mul: return MCBinaryExpr::createMul(LHS, RHS, Ctx);
-    case Instruction::SDiv: return MCBinaryExpr::createDiv(LHS, RHS, Ctx);
-    case Instruction::SRem: return MCBinaryExpr::createMod(LHS, RHS, Ctx);
-    case Instruction::Shl: return MCBinaryExpr::createShl(LHS, RHS, Ctx);
-    case Instruction::And: return MCBinaryExpr::createAnd(LHS, RHS, Ctx);
-    case Instruction::Or:  return MCBinaryExpr::createOr (LHS, RHS, Ctx);
-    case Instruction::Xor: return MCBinaryExpr::createXor(LHS, RHS, Ctx);
-    }
-  }
-  }
-}
-
-static void emitGlobalConstantImpl(const DataLayout &DL, const Constant *C,
-                                   AsmPrinter &AP,
-                                   const Constant *BaseCV = nullptr,
-                                   uint64_t Offset = 0);
-
-static void emitGlobalConstantFP(const ConstantFP *CFP, AsmPrinter &AP);
-static void emitGlobalConstantFP(APFloat APF, Type *ET, AsmPrinter &AP);
-
-/// isRepeatedByteSequence - Determine whether the given value is
-/// composed of a repeated sequence of identical bytes and return the
-/// byte value.  If it is not a repeated sequence, return -1.
-static int isRepeatedByteSequence(const ConstantDataSequential *V) {
-  StringRef Data = V->getRawDataValues();
-  assert(!Data.empty() && "Empty aggregates should be CAZ node");
-  char C = Data[0];
-  for (unsigned i = 1, e = Data.size(); i != e; ++i)
-    if (Data[i] != C) return -1;
-  return static_cast<uint8_t>(C); // Ensure 255 is not returned as -1.
-}
-
-/// isRepeatedByteSequence - Determine whether the given value is
-/// composed of a repeated sequence of identical bytes and return the
-/// byte value.  If it is not a repeated sequence, return -1.
-static int isRepeatedByteSequence(const Value *V, const DataLayout &DL) {
-  if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
-    uint64_t Size = DL.getTypeAllocSizeInBits(V->getType());
-    assert(Size % 8 == 0);
-
-    // Extend the element to take zero padding into account.
-    APInt Value = CI->getValue().zextOrSelf(Size);
-    if (!Value.isSplat(8))
-      return -1;
-
-    return Value.zextOrTrunc(8).getZExtValue();
-  }
-  if (const ConstantArray *CA = dyn_cast<ConstantArray>(V)) {
-    // Make sure all array elements are sequences of the same repeated
-    // byte.
-    assert(CA->getNumOperands() != 0 && "Should be a CAZ");
-    Constant *Op0 = CA->getOperand(0);
-    int Byte = isRepeatedByteSequence(Op0, DL);
-    if (Byte == -1)
-      return -1;
-
-    // All array elements must be equal.
-    for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i)
-      if (CA->getOperand(i) != Op0)
-        return -1;
-    return Byte;
-  }
-
-  if (const ConstantDataSequential *CDS = dyn_cast<ConstantDataSequential>(V))
-    return isRepeatedByteSequence(CDS);
-
-  return -1;
-}
-
-static void emitGlobalConstantDataSequential(const DataLayout &DL,
-                                             const ConstantDataSequential *CDS,
-                                             AsmPrinter &AP) {
-  // See if we can aggregate this into a .fill, if so, emit it as such.
-  int Value = isRepeatedByteSequence(CDS, DL);
-  if (Value != -1) {
-    uint64_t Bytes = DL.getTypeAllocSize(CDS->getType());
-    // Don't emit a 1-byte object as a .fill.
-    if (Bytes > 1)
-      return AP.OutStreamer->emitFill(Bytes, Value);
-  }
-
-  // If this can be emitted with .ascii/.asciz, emit it as such.
-  if (CDS->isString())
-    return AP.OutStreamer->EmitBytes(CDS->getAsString());
-
-  // Otherwise, emit the values in successive locations.
-  unsigned ElementByteSize = CDS->getElementByteSize();
-  if (isa<IntegerType>(CDS->getElementType())) {
-    for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) {
-      if (AP.isVerbose())
-        AP.OutStreamer->GetCommentOS() << format("0x%" PRIx64 "\n",
-                                                 CDS->getElementAsInteger(i));
-      AP.OutStreamer->EmitIntValue(CDS->getElementAsInteger(i),
-                                   ElementByteSize);
-    }
-  } else {
-    Type *ET = CDS->getElementType();
-    for (unsigned I = 0, E = CDS->getNumElements(); I != E; ++I)
-      emitGlobalConstantFP(CDS->getElementAsAPFloat(I), ET, AP);
-  }
-
-  unsigned Size = DL.getTypeAllocSize(CDS->getType());
-  unsigned EmittedSize = DL.getTypeAllocSize(CDS->getType()->getElementType()) *
-                        CDS->getNumElements();
-  assert(EmittedSize <= Size && "Size cannot be less than EmittedSize!");
-  if (unsigned Padding = Size - EmittedSize)
-    AP.OutStreamer->EmitZeros(Padding);
-}
-
-static void emitGlobalConstantArray(const DataLayout &DL,
-                                    const ConstantArray *CA, AsmPrinter &AP,
-                                    const Constant *BaseCV, uint64_t Offset) {
-  // See if we can aggregate some values.  Make sure it can be
-  // represented as a series of bytes of the constant value.
-  int Value = isRepeatedByteSequence(CA, DL);
-
-  if (Value != -1) {
-    uint64_t Bytes = DL.getTypeAllocSize(CA->getType());
-    AP.OutStreamer->emitFill(Bytes, Value);
-  }
-  else {
-    for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i) {
-      emitGlobalConstantImpl(DL, CA->getOperand(i), AP, BaseCV, Offset);
-      Offset += DL.getTypeAllocSize(CA->getOperand(i)->getType());
-    }
-  }
-}
-
-static void emitGlobalConstantVector(const DataLayout &DL,
-                                     const ConstantVector *CV, AsmPrinter &AP) {
-  for (unsigned i = 0, e = CV->getType()->getNumElements(); i != e; ++i)
-    emitGlobalConstantImpl(DL, CV->getOperand(i), AP);
-
-  unsigned Size = DL.getTypeAllocSize(CV->getType());
-  unsigned EmittedSize = DL.getTypeAllocSize(CV->getType()->getElementType()) *
-                         CV->getType()->getNumElements();
-  if (unsigned Padding = Size - EmittedSize)
-    AP.OutStreamer->EmitZeros(Padding);
-}
-
-static void emitGlobalConstantStruct(const DataLayout &DL,
-                                     const ConstantStruct *CS, AsmPrinter &AP,
-                                     const Constant *BaseCV, uint64_t Offset) {
-  // Print the fields in successive locations. Pad to align if needed!
-  unsigned Size = DL.getTypeAllocSize(CS->getType());
-  const StructLayout *Layout = DL.getStructLayout(CS->getType());
-  uint64_t SizeSoFar = 0;
-  for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i) {
-    const Constant *Field = CS->getOperand(i);
-
-    // Print the actual field value.
-    emitGlobalConstantImpl(DL, Field, AP, BaseCV, Offset + SizeSoFar);
-
-    // Check if padding is needed and insert one or more 0s.
-    uint64_t FieldSize = DL.getTypeAllocSize(Field->getType());
-    uint64_t PadSize = ((i == e-1 ? Size : Layout->getElementOffset(i+1))
-                        - Layout->getElementOffset(i)) - FieldSize;
-    SizeSoFar += FieldSize + PadSize;
-
-    // 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.
-    AP.OutStreamer->EmitZeros(PadSize);
-  }
-  assert(SizeSoFar == Layout->getSizeInBytes() &&
-         "Layout of constant struct may be incorrect!");
-}
-
-static void emitGlobalConstantFP(APFloat APF, Type *ET, AsmPrinter &AP) {
-  APInt API = APF.bitcastToAPInt();
-
-  // First print a comment with what we think the original floating-point value
-  // should have been.
-  if (AP.isVerbose()) {
-    SmallString<8> StrVal;
-    APF.toString(StrVal);
-
-    if (ET)
-      ET->print(AP.OutStreamer->GetCommentOS());
-    else
-      AP.OutStreamer->GetCommentOS() << "Printing <null> Type";
-    AP.OutStreamer->GetCommentOS() << ' ' << StrVal << '\n';
-  }
-
-  // Now iterate through the APInt chunks, emitting them in endian-correct
-  // order, possibly with a smaller chunk at beginning/end (e.g. for x87 80-bit
-  // floats).
-  unsigned NumBytes = API.getBitWidth() / 8;
-  unsigned TrailingBytes = NumBytes % sizeof(uint64_t);
-  const uint64_t *p = API.getRawData();
-
-  // PPC's long double has odd notions of endianness compared to how LLVM
-  // handles it: p[0] goes first for *big* endian on PPC.
-  if (AP.getDataLayout().isBigEndian() && !ET->isPPC_FP128Ty()) {
-    int Chunk = API.getNumWords() - 1;
-
-    if (TrailingBytes)
-      AP.OutStreamer->EmitIntValue(p[Chunk--], TrailingBytes);
-
-    for (; Chunk >= 0; --Chunk)
-      AP.OutStreamer->EmitIntValue(p[Chunk], sizeof(uint64_t));
-  } else {
-    unsigned Chunk;
-    for (Chunk = 0; Chunk < NumBytes / sizeof(uint64_t); ++Chunk)
-      AP.OutStreamer->EmitIntValue(p[Chunk], sizeof(uint64_t));
-
-    if (TrailingBytes)
-      AP.OutStreamer->EmitIntValue(p[Chunk], TrailingBytes);
-  }
-
-  // Emit the tail padding for the long double.
-  const DataLayout &DL = AP.getDataLayout();
-  AP.OutStreamer->EmitZeros(DL.getTypeAllocSize(ET) - DL.getTypeStoreSize(ET));
-}
-
-static void emitGlobalConstantFP(const ConstantFP *CFP, AsmPrinter &AP) {
-  emitGlobalConstantFP(CFP->getValueAPF(), CFP->getType(), AP);
-}
-
-static void emitGlobalConstantLargeInt(const ConstantInt *CI, AsmPrinter &AP) {
-  const DataLayout &DL = AP.getDataLayout();
-  unsigned BitWidth = CI->getBitWidth();
-
-  // Copy the value as we may massage the layout for constants whose bit width
-  // is not a multiple of 64-bits.
-  APInt Realigned(CI->getValue());
-  uint64_t ExtraBits = 0;
-  unsigned ExtraBitsSize = BitWidth & 63;
-
-  if (ExtraBitsSize) {
-    // The bit width of the data is not a multiple of 64-bits.
-    // The extra bits are expected to be at the end of the chunk of the memory.
-    // Little endian:
-    // * Nothing to be done, just record the extra bits to emit.
-    // Big endian:
-    // * Record the extra bits to emit.
-    // * Realign the raw data to emit the chunks of 64-bits.
-    if (DL.isBigEndian()) {
-      // Basically the structure of the raw data is a chunk of 64-bits cells:
-      //    0        1         BitWidth / 64
-      // [chunk1][chunk2] ... [chunkN].
-      // The most significant chunk is chunkN and it should be emitted first.
-      // However, due to the alignment issue chunkN contains useless bits.
-      // Realign the chunks so that they contain only useless information:
-      // ExtraBits     0       1       (BitWidth / 64) - 1
-      //       chu[nk1 chu][nk2 chu] ... [nkN-1 chunkN]
-      ExtraBits = Realigned.getRawData()[0] &
-        (((uint64_t)-1) >> (64 - ExtraBitsSize));
-      Realigned.lshrInPlace(ExtraBitsSize);
-    } else
-      ExtraBits = Realigned.getRawData()[BitWidth / 64];
-  }
-
-  // We don't expect assemblers to support integer data directives
-  // for more than 64 bits, so we emit the data in at most 64-bit
-  // quantities at a time.
-  const uint64_t *RawData = Realigned.getRawData();
-  for (unsigned i = 0, e = BitWidth / 64; i != e; ++i) {
-    uint64_t Val = DL.isBigEndian() ? RawData[e - i - 1] : RawData[i];
-    AP.OutStreamer->EmitIntValue(Val, 8);
-  }
-
-  if (ExtraBitsSize) {
-    // Emit the extra bits after the 64-bits chunks.
-
-    // Emit a directive that fills the expected size.
-    uint64_t Size = AP.getDataLayout().getTypeAllocSize(CI->getType());
-    Size -= (BitWidth / 64) * 8;
-    assert(Size && Size * 8 >= ExtraBitsSize &&
-           (ExtraBits & (((uint64_t)-1) >> (64 - ExtraBitsSize)))
-           == ExtraBits && "Directive too small for extra bits.");
-    AP.OutStreamer->EmitIntValue(ExtraBits, Size);
-  }
-}
-
-/// Transform a not absolute MCExpr containing a reference to a GOT
-/// equivalent global, by a target specific GOT pc relative access to the
-/// final symbol.
-static void handleIndirectSymViaGOTPCRel(AsmPrinter &AP, const MCExpr **ME,
-                                         const Constant *BaseCst,
-                                         uint64_t Offset) {
-  // The global @foo below illustrates a global that uses a got equivalent.
-  //
-  //  @bar = global i32 42
-  //  @gotequiv = private unnamed_addr constant i32* @bar
-  //  @foo = i32 trunc (i64 sub (i64 ptrtoint (i32** @gotequiv to i64),
-  //                             i64 ptrtoint (i32* @foo to i64))
-  //                        to i32)
-  //
-  // The cstexpr in @foo is converted into the MCExpr `ME`, where we actually
-  // check whether @foo is suitable to use a GOTPCREL. `ME` is usually in the
-  // form:
-  //
-  //  foo = cstexpr, where
-  //    cstexpr := <gotequiv> - "." + <cst>
-  //    cstexpr := <gotequiv> - (<foo> - <offset from @foo base>) + <cst>
-  //
-  // After canonicalization by evaluateAsRelocatable `ME` turns into:
-  //
-  //  cstexpr := <gotequiv> - <foo> + gotpcrelcst, where
-  //    gotpcrelcst := <offset from @foo base> + <cst>
-  MCValue MV;
-  if (!(*ME)->evaluateAsRelocatable(MV, nullptr, nullptr) || MV.isAbsolute())
-    return;
-  const MCSymbolRefExpr *SymA = MV.getSymA();
-  if (!SymA)
-    return;
-
-  // Check that GOT equivalent symbol is cached.
-  const MCSymbol *GOTEquivSym = &SymA->getSymbol();
-  if (!AP.GlobalGOTEquivs.count(GOTEquivSym))
-    return;
-
-  const GlobalValue *BaseGV = dyn_cast_or_null<GlobalValue>(BaseCst);
-  if (!BaseGV)
-    return;
-
-  // Check for a valid base symbol
-  const MCSymbol *BaseSym = AP.getSymbol(BaseGV);
-  const MCSymbolRefExpr *SymB = MV.getSymB();
-
-  if (!SymB || BaseSym != &SymB->getSymbol())
-    return;
-
-  // Make sure to match:
-  //
-  //    gotpcrelcst := <offset from @foo base> + <cst>
-  //
-  // If gotpcrelcst is positive it means that we can safely fold the pc rel
-  // displacement into the GOTPCREL. We can also can have an extra offset <cst>
-  // if the target knows how to encode it.
-  int64_t GOTPCRelCst = Offset + MV.getConstant();
-  if (GOTPCRelCst < 0)
-    return;
-  if (!AP.getObjFileLowering().supportGOTPCRelWithOffset() && GOTPCRelCst != 0)
-    return;
-
-  // Emit the GOT PC relative to replace the got equivalent global, i.e.:
-  //
-  //  bar:
-  //    .long 42
-  //  gotequiv:
-  //    .quad bar
-  //  foo:
-  //    .long gotequiv - "." + <cst>
-  //
-  // is replaced by the target specific equivalent to:
-  //
-  //  bar:
-  //    .long 42
-  //  foo:
-  //    .long bar@GOTPCREL+<gotpcrelcst>
-  AsmPrinter::GOTEquivUsePair Result = AP.GlobalGOTEquivs[GOTEquivSym];
-  const GlobalVariable *GV = Result.first;
-  int NumUses = (int)Result.second;
-  const GlobalValue *FinalGV = dyn_cast<GlobalValue>(GV->getOperand(0));
-  const MCSymbol *FinalSym = AP.getSymbol(FinalGV);
-  *ME = AP.getObjFileLowering().getIndirectSymViaGOTPCRel(
-      FinalSym, MV, Offset, AP.MMI, *AP.OutStreamer);
-
-  // Update GOT equivalent usage information
-  --NumUses;
-  if (NumUses >= 0)
-    AP.GlobalGOTEquivs[GOTEquivSym] = std::make_pair(GV, NumUses);
-}
-
-static void emitGlobalConstantImpl(const DataLayout &DL, const Constant *CV,
-                                   AsmPrinter &AP, const Constant *BaseCV,
-                                   uint64_t Offset) {
-  uint64_t Size = DL.getTypeAllocSize(CV->getType());
-
-  // Globals with sub-elements such as combinations of arrays and structs
-  // are handled recursively by emitGlobalConstantImpl. Keep track of the
-  // constant symbol base and the current position with BaseCV and Offset.
-  if (!BaseCV && CV->hasOneUse())
-    BaseCV = dyn_cast<Constant>(CV->user_back());
-
-  if (isa<ConstantAggregateZero>(CV) || isa<UndefValue>(CV))
-    return AP.OutStreamer->EmitZeros(Size);
-
-  if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
-    switch (Size) {
-    case 1:
-    case 2:
-    case 4:
-    case 8:
-      if (AP.isVerbose())
-        AP.OutStreamer->GetCommentOS() << format("0x%" PRIx64 "\n",
-                                                 CI->getZExtValue());
-      AP.OutStreamer->EmitIntValue(CI->getZExtValue(), Size);
-      return;
-    default:
-      emitGlobalConstantLargeInt(CI, AP);
-      return;
-    }
-  }
-
-  if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV))
-    return emitGlobalConstantFP(CFP, AP);
-
-  if (isa<ConstantPointerNull>(CV)) {
-    AP.OutStreamer->EmitIntValue(0, Size);
-    return;
-  }
-
-  if (const ConstantDataSequential *CDS = dyn_cast<ConstantDataSequential>(CV))
-    return emitGlobalConstantDataSequential(DL, CDS, AP);
-
-  if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV))
-    return emitGlobalConstantArray(DL, CVA, AP, BaseCV, Offset);
-
-  if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV))
-    return emitGlobalConstantStruct(DL, CVS, AP, BaseCV, Offset);
-
-  if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
-    // Look through bitcasts, which might not be able to be MCExpr'ized (e.g. of
-    // vectors).
-    if (CE->getOpcode() == Instruction::BitCast)
-      return emitGlobalConstantImpl(DL, CE->getOperand(0), AP);
-
-    if (Size > 8) {
-      // If the constant expression's size is greater than 64-bits, then we have
-      // to emit the value in chunks. Try to constant fold the value and emit it
-      // that way.
-      Constant *New = ConstantFoldConstant(CE, DL);
-      if (New && New != CE)
-        return emitGlobalConstantImpl(DL, New, AP);
-    }
-  }
-
-  if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
-    return emitGlobalConstantVector(DL, V, AP);
-
-  // Otherwise, it must be a ConstantExpr.  Lower it to an MCExpr, then emit it
-  // thread the streamer with EmitValue.
-  const MCExpr *ME = AP.lowerConstant(CV);
-
-  // Since lowerConstant already folded and got rid of all IR pointer and
-  // integer casts, detect GOT equivalent accesses by looking into the MCExpr
-  // directly.
-  if (AP.getObjFileLowering().supportIndirectSymViaGOTPCRel())
-    handleIndirectSymViaGOTPCRel(AP, &ME, BaseCV, Offset);
-
-  AP.OutStreamer->EmitValue(ME, Size);
-}
-
-/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-void AsmPrinter::EmitGlobalConstant(const DataLayout &DL, const Constant *CV) {
-  uint64_t Size = DL.getTypeAllocSize(CV->getType());
-  if (Size)
-    emitGlobalConstantImpl(DL, CV, *this);
-  else if (MAI->hasSubsectionsViaSymbols()) {
-    // If the global has zero size, emit a single byte so that two labels don't
-    // look like they are at the same location.
-    OutStreamer->EmitIntValue(0, 1);
-  }
-}
-
-void AsmPrinter::EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
-  // Target doesn't support this yet!
-  llvm_unreachable("Target does not support EmitMachineConstantPoolValue");
-}
-
-void AsmPrinter::printOffset(int64_t Offset, raw_ostream &OS) const {
-  if (Offset > 0)
-    OS << '+' << Offset;
-  else if (Offset < 0)
-    OS << Offset;
-}
-
-//===----------------------------------------------------------------------===//
-// Symbol Lowering Routines.
-//===----------------------------------------------------------------------===//
-
-MCSymbol *AsmPrinter::createTempSymbol(const Twine &Name) const {
-  return OutContext.createTempSymbol(Name, true);
-}
-
-MCSymbol *AsmPrinter::GetBlockAddressSymbol(const BlockAddress *BA) const {
-  return MMI->getAddrLabelSymbol(BA->getBasicBlock());
-}
-
-MCSymbol *AsmPrinter::GetBlockAddressSymbol(const BasicBlock *BB) const {
-  return MMI->getAddrLabelSymbol(BB);
-}
-
-/// GetCPISymbol - Return the symbol for the specified constant pool entry.
-MCSymbol *AsmPrinter::GetCPISymbol(unsigned CPID) const {
-  if (getSubtargetInfo().getTargetTriple().isKnownWindowsMSVCEnvironment()) {
-    const MachineConstantPoolEntry &CPE =
-        MF->getConstantPool()->getConstants()[CPID];
-    if (!CPE.isMachineConstantPoolEntry()) {
-      const DataLayout &DL = MF->getDataLayout();
-      SectionKind Kind = CPE.getSectionKind(&DL);
-      const Constant *C = CPE.Val.ConstVal;
-      unsigned Align = CPE.Alignment;
-      if (const MCSectionCOFF *S = dyn_cast<MCSectionCOFF>(
-              getObjFileLowering().getSectionForConstant(DL, Kind, C, Align))) {
-        if (MCSymbol *Sym = S->getCOMDATSymbol()) {
-          if (Sym->isUndefined())
-            OutStreamer->EmitSymbolAttribute(Sym, MCSA_Global);
-          return Sym;
-        }
-      }
-    }
-  }
-
-  const DataLayout &DL = getDataLayout();
-  return OutContext.getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
-                                      "CPI" + Twine(getFunctionNumber()) + "_" +
-                                      Twine(CPID));
-}
-
-/// GetJTISymbol - Return the symbol for the specified jump table entry.
-MCSymbol *AsmPrinter::GetJTISymbol(unsigned JTID, bool isLinkerPrivate) const {
-  return MF->getJTISymbol(JTID, OutContext, isLinkerPrivate);
-}
-
-/// GetJTSetSymbol - Return the symbol for the specified jump table .set
-/// FIXME: privatize to AsmPrinter.
-MCSymbol *AsmPrinter::GetJTSetSymbol(unsigned UID, unsigned MBBID) const {
-  const DataLayout &DL = getDataLayout();
-  return OutContext.getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
-                                      Twine(getFunctionNumber()) + "_" +
-                                      Twine(UID) + "_set_" + Twine(MBBID));
-}
-
-MCSymbol *AsmPrinter::getSymbolWithGlobalValueBase(const GlobalValue *GV,
-                                                   StringRef Suffix) const {
-  return getObjFileLowering().getSymbolWithGlobalValueBase(GV, Suffix, TM);
-}
-
-/// Return the MCSymbol for the specified ExternalSymbol.
-MCSymbol *AsmPrinter::GetExternalSymbolSymbol(StringRef Sym) const {
-  SmallString<60> NameStr;
-  Mangler::getNameWithPrefix(NameStr, Sym, getDataLayout());
-  return OutContext.getOrCreateSymbol(NameStr);
-}
-
-/// PrintParentLoopComment - Print comments about parent loops of this one.
-static void PrintParentLoopComment(raw_ostream &OS, const MachineLoop *Loop,
-                                   unsigned FunctionNumber) {
-  if (!Loop) return;
-  PrintParentLoopComment(OS, Loop->getParentLoop(), FunctionNumber);
-  OS.indent(Loop->getLoopDepth()*2)
-    << "Parent Loop BB" << FunctionNumber << "_"
-    << Loop->getHeader()->getNumber()
-    << " Depth=" << Loop->getLoopDepth() << '\n';
-}
-
-/// PrintChildLoopComment - Print comments about child loops within
-/// the loop for this basic block, with nesting.
-static void PrintChildLoopComment(raw_ostream &OS, const MachineLoop *Loop,
-                                  unsigned FunctionNumber) {
-  // Add child loop information
-  for (const MachineLoop *CL : *Loop) {
-    OS.indent(CL->getLoopDepth()*2)
-      << "Child Loop BB" << FunctionNumber << "_"
-      << CL->getHeader()->getNumber() << " Depth " << CL->getLoopDepth()
-      << '\n';
-    PrintChildLoopComment(OS, CL, FunctionNumber);
-  }
-}
-
-/// emitBasicBlockLoopComments - Pretty-print comments for basic blocks.
-static void emitBasicBlockLoopComments(const MachineBasicBlock &MBB,
-                                       const MachineLoopInfo *LI,
-                                       const AsmPrinter &AP) {
-  // Add loop depth information
-  const MachineLoop *Loop = LI->getLoopFor(&MBB);
-  if (!Loop) return;
-
-  MachineBasicBlock *Header = Loop->getHeader();
-  assert(Header && "No header for loop");
-
-  // If this block is not a loop header, just print out what is the loop header
-  // and return.
-  if (Header != &MBB) {
-    AP.OutStreamer->AddComment("  in Loop: Header=BB" +
-                               Twine(AP.getFunctionNumber())+"_" +
-                               Twine(Loop->getHeader()->getNumber())+
-                               " Depth="+Twine(Loop->getLoopDepth()));
-    return;
-  }
-
-  // Otherwise, it is a loop header.  Print out information about child and
-  // parent loops.
-  raw_ostream &OS = AP.OutStreamer->GetCommentOS();
-
-  PrintParentLoopComment(OS, Loop->getParentLoop(), AP.getFunctionNumber());
-
-  OS << "=>";
-  OS.indent(Loop->getLoopDepth()*2-2);
-
-  OS << "This ";
-  if (Loop->empty())
-    OS << "Inner ";
-  OS << "Loop Header: Depth=" + Twine(Loop->getLoopDepth()) << '\n';
-
-  PrintChildLoopComment(OS, Loop, AP.getFunctionNumber());
-}
-
-void AsmPrinter::setupCodePaddingContext(const MachineBasicBlock &MBB,
-                                         MCCodePaddingContext &Context) const {
-  assert(MF != nullptr && "Machine function must be valid");
-  Context.IsPaddingActive = !MF->hasInlineAsm() &&
-                            !MF->getFunction().optForSize() &&
-                            TM.getOptLevel() != CodeGenOpt::None;
-  Context.IsBasicBlockReachableViaFallthrough =
-      std::find(MBB.pred_begin(), MBB.pred_end(), MBB.getPrevNode()) !=
-      MBB.pred_end();
-  Context.IsBasicBlockReachableViaBranch =
-      MBB.pred_size() > 0 && !isBlockOnlyReachableByFallthrough(&MBB);
-}
-
-/// EmitBasicBlockStart - This method prints the label for the specified
-/// MachineBasicBlock, an alignment (if present) and a comment describing
-/// it if appropriate.
-void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock &MBB) const {
-  // End the previous funclet and start a new one.
-  if (MBB.isEHFuncletEntry()) {
-    for (const HandlerInfo &HI : Handlers) {
-      HI.Handler->endFunclet();
-      HI.Handler->beginFunclet(MBB);
-    }
-  }
-
-  MCCodePaddingContext Context;
-  setupCodePaddingContext(MBB, Context);
-  // Emit an alignment directive for this block, if needed.
-  if (unsigned Align = MBB.getAlignment()) {
-    if (Context.IsBasicBlockReachableViaFallthrough)
-      EmitAlignment(Align);
-    else
-      EmitTrapAlignment(Align);
-  }
-  OutStreamer->EmitCodePaddingBasicBlockStart(Context);
-
-  // If the block has its address taken, emit any labels that were used to
-  // reference the block.  It is possible that there is more than one label
-  // here, because multiple LLVM BB's may have been RAUW'd to this block after
-  // the references were generated.
-  if (MBB.hasAddressTaken()) {
-    const BasicBlock *BB = MBB.getBasicBlock();
-    if (isVerbose())
-      OutStreamer->AddComment("Block address taken");
-
-    // MBBs can have their address taken as part of CodeGen without having
-    // their corresponding BB's address taken in IR
-    if (BB->hasAddressTaken())
-      for (MCSymbol *Sym : MMI->getAddrLabelSymbolToEmit(BB))
-        OutStreamer->EmitLabel(Sym);
-  }
-
-  // Print some verbose block comments.
-  if (isVerbose()) {
-    if (const BasicBlock *BB = MBB.getBasicBlock()) {
-      if (BB->hasName()) {
-        BB->printAsOperand(OutStreamer->GetCommentOS(),
-                           /*PrintType=*/false, BB->getModule());
-        OutStreamer->GetCommentOS() << '\n';
-      }
-    }
-
-    assert(MLI != nullptr && "MachineLoopInfo should has been computed");
-    emitBasicBlockLoopComments(MBB, MLI, *this);
-  }
-
-  // Print the main label for the block.
-  if (MBB.pred_empty() ||
-      (isBlockOnlyReachableByFallthrough(&MBB) && !MBB.isEHFuncletEntry())) {
-    if (isVerbose()) {
-      // NOTE: Want this comment at start of line, don't emit with AddComment.
-      OutStreamer->emitRawComment(" %bb." + Twine(MBB.getNumber()) + ":",
-                                  false);
-    }
-  } else {
-    OutStreamer->EmitLabel(MBB.getSymbol());
-  }
-}
-
-void AsmPrinter::EmitBasicBlockEnd(const MachineBasicBlock &MBB) {
-  MCCodePaddingContext Context;
-  setupCodePaddingContext(MBB, Context);
-  OutStreamer->EmitCodePaddingBasicBlockEnd(Context);
-}
-
-void AsmPrinter::EmitVisibility(MCSymbol *Sym, unsigned Visibility,
-                                bool IsDefinition) const {
-  MCSymbolAttr Attr = MCSA_Invalid;
-
-  switch (Visibility) {
-  default: break;
-  case GlobalValue::HiddenVisibility:
-    if (IsDefinition)
-      Attr = MAI->getHiddenVisibilityAttr();
-    else
-      Attr = MAI->getHiddenDeclarationVisibilityAttr();
-    break;
-  case GlobalValue::ProtectedVisibility:
-    Attr = MAI->getProtectedVisibilityAttr();
-    break;
-  }
-
-  if (Attr != MCSA_Invalid)
-    OutStreamer->EmitSymbolAttribute(Sym, Attr);
-}
-
-/// isBlockOnlyReachableByFallthough - Return true if the basic block has
-/// exactly one predecessor and the control transfer mechanism between
-/// the predecessor and this block is a fall-through.
-bool AsmPrinter::
-isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const {
-  // If this is a landing pad, it isn't a fall through.  If it has no preds,
-  // then nothing falls through to it.
-  if (MBB->isEHPad() || MBB->pred_empty())
-    return false;
-
-  // If there isn't exactly one predecessor, it can't be a fall through.
-  if (MBB->pred_size() > 1)
-    return false;
-
-  // The predecessor has to be immediately before this block.
-  MachineBasicBlock *Pred = *MBB->pred_begin();
-  if (!Pred->isLayoutSuccessor(MBB))
-    return false;
-
-  // If the block is completely empty, then it definitely does fall through.
-  if (Pred->empty())
-    return true;
-
-  // Check the terminators in the previous blocks
-  for (const auto &MI : Pred->terminators()) {
-    // If it is not a simple branch, we are in a table somewhere.
-    if (!MI.isBranch() || MI.isIndirectBranch())
-      return false;
-
-    // If we are the operands of one of the branches, this is not a fall
-    // through. Note that targets with delay slots will usually bundle
-    // terminators with the delay slot instruction.
-    for (ConstMIBundleOperands OP(MI); OP.isValid(); ++OP) {
-      if (OP->isJTI())
-        return false;
-      if (OP->isMBB() && OP->getMBB() == MBB)
-        return false;
-    }
-  }
-
-  return true;
-}
-
-GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy &S) {
-  if (!S.usesMetadata())
-    return nullptr;
-
-  gcp_map_type &GCMap = getGCMap(GCMetadataPrinters);
-  gcp_map_type::iterator GCPI = GCMap.find(&S);
-  if (GCPI != GCMap.end())
-    return GCPI->second.get();
-
-  auto Name = S.getName();
-
-  for (GCMetadataPrinterRegistry::iterator
-         I = GCMetadataPrinterRegistry::begin(),
-         E = GCMetadataPrinterRegistry::end(); I != E; ++I)
-    if (Name == I->getName()) {
-      std::unique_ptr<GCMetadataPrinter> GMP = I->instantiate();
-      GMP->S = &S;
-      auto IterBool = GCMap.insert(std::make_pair(&S, std::move(GMP)));
-      return IterBool.first->second.get();
-    }
-
-  report_fatal_error("no GCMetadataPrinter registered for GC: " + Twine(Name));
-}
-
-void AsmPrinter::emitStackMaps(StackMaps &SM) {
-  GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>();
-  assert(MI && "AsmPrinter didn't require GCModuleInfo?");
-  bool NeedsDefault = false;
-  if (MI->begin() == MI->end())
-    // No GC strategy, use the default format.
-    NeedsDefault = true;
-  else
-    for (auto &I : *MI) {
-      if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*I))
-        if (MP->emitStackMaps(SM, *this))
-          continue;
-      // The strategy doesn't have printer or doesn't emit custom stack maps.
-      // Use the default format.
-      NeedsDefault = true;
-    }
-
-  if (NeedsDefault)
-    SM.serializeToStackMapSection();
-}
-
-/// Pin vtable to this file.
-AsmPrinterHandler::~AsmPrinterHandler() = default;
-
-void AsmPrinterHandler::markFunctionEnd() {}
-
-// In the binary's "xray_instr_map" section, an array of these function entries
-// describes each instrumentation point.  When XRay patches your code, the index
-// into this table will be given to your handler as a patch point identifier.
-void AsmPrinter::XRayFunctionEntry::emit(int Bytes, MCStreamer *Out,
-                                         const MCSymbol *CurrentFnSym) const {
-  Out->EmitSymbolValue(Sled, Bytes);
-  Out->EmitSymbolValue(CurrentFnSym, Bytes);
-  auto Kind8 = static_cast<uint8_t>(Kind);
-  Out->EmitBinaryData(StringRef(reinterpret_cast<const char *>(&Kind8), 1));
-  Out->EmitBinaryData(
-      StringRef(reinterpret_cast<const char *>(&AlwaysInstrument), 1));
-  Out->EmitBinaryData(StringRef(reinterpret_cast<const char *>(&Version), 1));
-  auto Padding = (4 * Bytes) - ((2 * Bytes) + 3);
-  assert(Padding >= 0 && "Instrumentation map entry > 4 * Word Size");
-  Out->EmitZeros(Padding);
-}
-
-void AsmPrinter::emitXRayTable() {
-  if (Sleds.empty())
-    return;
-
-  auto PrevSection = OutStreamer->getCurrentSectionOnly();
-  const Function &F = MF->getFunction();
-  MCSection *InstMap = nullptr;
-  MCSection *FnSledIndex = nullptr;
-  if (MF->getSubtarget().getTargetTriple().isOSBinFormatELF()) {
-    auto Associated = dyn_cast<MCSymbolELF>(CurrentFnSym);
-    assert(Associated != nullptr);
-    auto Flags = ELF::SHF_WRITE | ELF::SHF_ALLOC | ELF::SHF_LINK_ORDER;
-    std::string GroupName;
-    if (F.hasComdat()) {
-      Flags |= ELF::SHF_GROUP;
-      GroupName = F.getComdat()->getName();
-    }
-
-    auto UniqueID = ++XRayFnUniqueID;
-    InstMap =
-        OutContext.getELFSection("xray_instr_map", ELF::SHT_PROGBITS, Flags, 0,
-                                 GroupName, UniqueID, Associated);
-    FnSledIndex =
-        OutContext.getELFSection("xray_fn_idx", ELF::SHT_PROGBITS, Flags, 0,
-                                 GroupName, UniqueID, Associated);
-  } else if (MF->getSubtarget().getTargetTriple().isOSBinFormatMachO()) {
-    InstMap = OutContext.getMachOSection("__DATA", "xray_instr_map", 0,
-                                         SectionKind::getReadOnlyWithRel());
-    FnSledIndex = OutContext.getMachOSection("__DATA", "xray_fn_idx", 0,
-                                             SectionKind::getReadOnlyWithRel());
-  } else {
-    llvm_unreachable("Unsupported target");
-  }
-
-  auto WordSizeBytes = MAI->getCodePointerSize();
-
-  // Now we switch to the instrumentation map section. Because this is done
-  // per-function, we are able to create an index entry that will represent the
-  // range of sleds associated with a function.
-  MCSymbol *SledsStart = OutContext.createTempSymbol("xray_sleds_start", true);
-  OutStreamer->SwitchSection(InstMap);
-  OutStreamer->EmitLabel(SledsStart);
-  for (const auto &Sled : Sleds)
-    Sled.emit(WordSizeBytes, OutStreamer.get(), CurrentFnSym);
-  MCSymbol *SledsEnd = OutContext.createTempSymbol("xray_sleds_end", true);
-  OutStreamer->EmitLabel(SledsEnd);
-
-  // We then emit a single entry in the index per function. We use the symbols
-  // that bound the instrumentation map as the range for a specific function.
-  // Each entry here will be 2 * word size aligned, as we're writing down two
-  // pointers. This should work for both 32-bit and 64-bit platforms.
-  OutStreamer->SwitchSection(FnSledIndex);
-  OutStreamer->EmitCodeAlignment(2 * WordSizeBytes);
-  OutStreamer->EmitSymbolValue(SledsStart, WordSizeBytes, false);
-  OutStreamer->EmitSymbolValue(SledsEnd, WordSizeBytes, false);
-  OutStreamer->SwitchSection(PrevSection);
-  Sleds.clear();
-}
-
-void AsmPrinter::recordSled(MCSymbol *Sled, const MachineInstr &MI,
-                            SledKind Kind, uint8_t Version) {
-  const Function &F = MI.getMF()->getFunction();
-  auto Attr = F.getFnAttribute("function-instrument");
-  bool LogArgs = F.hasFnAttribute("xray-log-args");
-  bool AlwaysInstrument =
-    Attr.isStringAttribute() && Attr.getValueAsString() == "xray-always";
-  if (Kind == SledKind::FUNCTION_ENTER && LogArgs)
-    Kind = SledKind::LOG_ARGS_ENTER;
-  Sleds.emplace_back(XRayFunctionEntry{Sled, CurrentFnSym, Kind,
-                                       AlwaysInstrument, &F, Version});
-}
-
-uint16_t AsmPrinter::getDwarfVersion() const {
-  return OutStreamer->getContext().getDwarfVersion();
-}
-
-void AsmPrinter::setDwarfVersion(uint16_t Version) {
-  OutStreamer->getContext().setDwarfVersion(Version);
-}