Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 734 deletions

diff --git a/gnu/llvm/tools/clang/lib/CodeGen/CGDeclCXX.cpp b/gnu/llvm/tools/clang/lib/CodeGen/CGDeclCXX.cpp
deleted file mode 100644
index 9aa31f181e9..00000000000
--- a/gnu/llvm/tools/clang/lib/CodeGen/CGDeclCXX.cpp
+++ /dev/null
@@ -1,734 +0,0 @@
-//===--- CGDeclCXX.cpp - Emit LLVM Code for C++ declarations --------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This contains code dealing with code generation of C++ declarations
-//
-//===----------------------------------------------------------------------===//
-
-#include "CodeGenFunction.h"
-#include "CGCXXABI.h"
-#include "CGObjCRuntime.h"
-#include "CGOpenMPRuntime.h"
-#include "clang/Basic/CodeGenOptions.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/IR/Intrinsics.h"
-#include "llvm/IR/MDBuilder.h"
-#include "llvm/Support/Path.h"
-
-using namespace clang;
-using namespace CodeGen;
-
-static void EmitDeclInit(CodeGenFunction &CGF, const VarDecl &D,
-                         ConstantAddress DeclPtr) {
-  assert(
-      (D.hasGlobalStorage() ||
-       (D.hasLocalStorage() && CGF.getContext().getLangOpts().OpenCLCPlusPlus)) &&
-      "VarDecl must have global or local (in the case of OpenCL) storage!");
-  assert(!D.getType()->isReferenceType() &&
-         "Should not call EmitDeclInit on a reference!");
-
-  QualType type = D.getType();
-  LValue lv = CGF.MakeAddrLValue(DeclPtr, type);
-
-  const Expr *Init = D.getInit();
-  switch (CGF.getEvaluationKind(type)) {
-  case TEK_Scalar: {
-    CodeGenModule &CGM = CGF.CGM;
-    if (lv.isObjCStrong())
-      CGM.getObjCRuntime().EmitObjCGlobalAssign(CGF, CGF.EmitScalarExpr(Init),
-                                                DeclPtr, D.getTLSKind());
-    else if (lv.isObjCWeak())
-      CGM.getObjCRuntime().EmitObjCWeakAssign(CGF, CGF.EmitScalarExpr(Init),
-                                              DeclPtr);
-    else
-      CGF.EmitScalarInit(Init, &D, lv, false);
-    return;
-  }
-  case TEK_Complex:
-    CGF.EmitComplexExprIntoLValue(Init, lv, /*isInit*/ true);
-    return;
-  case TEK_Aggregate:
-    CGF.EmitAggExpr(Init, AggValueSlot::forLValue(lv,AggValueSlot::IsDestructed,
-                                          AggValueSlot::DoesNotNeedGCBarriers,
-                                                  AggValueSlot::IsNotAliased,
-                                                  AggValueSlot::DoesNotOverlap));
-    return;
-  }
-  llvm_unreachable("bad evaluation kind");
-}
-
-/// Emit code to cause the destruction of the given variable with
-/// static storage duration.
-static void EmitDeclDestroy(CodeGenFunction &CGF, const VarDecl &D,
-                            ConstantAddress Addr) {
-  // Honor __attribute__((no_destroy)) and bail instead of attempting
-  // to emit a reference to a possibly nonexistent destructor, which
-  // in turn can cause a crash. This will result in a global constructor
-  // that isn't balanced out by a destructor call as intended by the
-  // attribute. This also checks for -fno-c++-static-destructors and
-  // bails even if the attribute is not present.
-  if (D.isNoDestroy(CGF.getContext()))
-    return;
-  
-  CodeGenModule &CGM = CGF.CGM;
-
-  // FIXME:  __attribute__((cleanup)) ?
-
-  QualType Type = D.getType();
-  QualType::DestructionKind DtorKind = Type.isDestructedType();
-
-  switch (DtorKind) {
-  case QualType::DK_none:
-    return;
-
-  case QualType::DK_cxx_destructor:
-    break;
-
-  case QualType::DK_objc_strong_lifetime:
-  case QualType::DK_objc_weak_lifetime:
-  case QualType::DK_nontrivial_c_struct:
-    // We don't care about releasing objects during process teardown.
-    assert(!D.getTLSKind() && "should have rejected this");
-    return;
-  }
-
-  llvm::Constant *Func;
-  llvm::Constant *Argument;
-
-  // Special-case non-array C++ destructors, if they have the right signature.
-  // Under some ABIs, destructors return this instead of void, and cannot be
-  // passed directly to __cxa_atexit if the target does not allow this
-  // mismatch.
-  const CXXRecordDecl *Record = Type->getAsCXXRecordDecl();
-  bool CanRegisterDestructor =
-      Record && (!CGM.getCXXABI().HasThisReturn(
-                     GlobalDecl(Record->getDestructor(), Dtor_Complete)) ||
-                 CGM.getCXXABI().canCallMismatchedFunctionType());
-  // If __cxa_atexit is disabled via a flag, a different helper function is
-  // generated elsewhere which uses atexit instead, and it takes the destructor
-  // directly.
-  bool UsingExternalHelper = !CGM.getCodeGenOpts().CXAAtExit;
-  if (Record && (CanRegisterDestructor || UsingExternalHelper)) {
-    assert(!Record->hasTrivialDestructor());
-    CXXDestructorDecl *Dtor = Record->getDestructor();
-
-    Func = CGM.getAddrOfCXXStructor(Dtor, StructorType::Complete);
-    Argument = llvm::ConstantExpr::getBitCast(
-        Addr.getPointer(), CGF.getTypes().ConvertType(Type)->getPointerTo());
-
-  // Otherwise, the standard logic requires a helper function.
-  } else {
-    Func = CodeGenFunction(CGM)
-           .generateDestroyHelper(Addr, Type, CGF.getDestroyer(DtorKind),
-                                  CGF.needsEHCleanup(DtorKind), &D);
-    Argument = llvm::Constant::getNullValue(CGF.Int8PtrTy);
-  }
-
-  CGM.getCXXABI().registerGlobalDtor(CGF, D, Func, Argument);
-}
-
-/// Emit code to cause the variable at the given address to be considered as
-/// constant from this point onwards.
-static void EmitDeclInvariant(CodeGenFunction &CGF, const VarDecl &D,
-                              llvm::Constant *Addr) {
-  return CGF.EmitInvariantStart(
-      Addr, CGF.getContext().getTypeSizeInChars(D.getType()));
-}
-
-void CodeGenFunction::EmitInvariantStart(llvm::Constant *Addr, CharUnits Size) {
-  // Do not emit the intrinsic if we're not optimizing.
-  if (!CGM.getCodeGenOpts().OptimizationLevel)
-    return;
-
-  // Grab the llvm.invariant.start intrinsic.
-  llvm::Intrinsic::ID InvStartID = llvm::Intrinsic::invariant_start;
-  // Overloaded address space type.
-  llvm::Type *ObjectPtr[1] = {Int8PtrTy};
-  llvm::Constant *InvariantStart = CGM.getIntrinsic(InvStartID, ObjectPtr);
-
-  // Emit a call with the size in bytes of the object.
-  uint64_t Width = Size.getQuantity();
-  llvm::Value *Args[2] = { llvm::ConstantInt::getSigned(Int64Ty, Width),
-                           llvm::ConstantExpr::getBitCast(Addr, Int8PtrTy)};
-  Builder.CreateCall(InvariantStart, Args);
-}
-
-void CodeGenFunction::EmitCXXGlobalVarDeclInit(const VarDecl &D,
-                                               llvm::Constant *DeclPtr,
-                                               bool PerformInit) {
-
-  const Expr *Init = D.getInit();
-  QualType T = D.getType();
-
-  // The address space of a static local variable (DeclPtr) may be different
-  // from the address space of the "this" argument of the constructor. In that
-  // case, we need an addrspacecast before calling the constructor.
-  //
-  // struct StructWithCtor {
-  //   __device__ StructWithCtor() {...}
-  // };
-  // __device__ void foo() {
-  //   __shared__ StructWithCtor s;
-  //   ...
-  // }
-  //
-  // For example, in the above CUDA code, the static local variable s has a
-  // "shared" address space qualifier, but the constructor of StructWithCtor
-  // expects "this" in the "generic" address space.
-  unsigned ExpectedAddrSpace = getContext().getTargetAddressSpace(T);
-  unsigned ActualAddrSpace = DeclPtr->getType()->getPointerAddressSpace();
-  if (ActualAddrSpace != ExpectedAddrSpace) {
-    llvm::Type *LTy = CGM.getTypes().ConvertTypeForMem(T);
-    llvm::PointerType *PTy = llvm::PointerType::get(LTy, ExpectedAddrSpace);
-    DeclPtr = llvm::ConstantExpr::getAddrSpaceCast(DeclPtr, PTy);
-  }
-
-  ConstantAddress DeclAddr(DeclPtr, getContext().getDeclAlign(&D));
-
-  if (!T->isReferenceType()) {
-    if (getLangOpts().OpenMP && !getLangOpts().OpenMPSimd &&
-        D.hasAttr<OMPThreadPrivateDeclAttr>()) {
-      (void)CGM.getOpenMPRuntime().emitThreadPrivateVarDefinition(
-          &D, DeclAddr, D.getAttr<OMPThreadPrivateDeclAttr>()->getLocation(),
-          PerformInit, this);
-    }
-    if (PerformInit)
-      EmitDeclInit(*this, D, DeclAddr);
-    if (CGM.isTypeConstant(D.getType(), true))
-      EmitDeclInvariant(*this, D, DeclPtr);
-    else
-      EmitDeclDestroy(*this, D, DeclAddr);
-    return;
-  }
-
-  assert(PerformInit && "cannot have constant initializer which needs "
-         "destruction for reference");
-  RValue RV = EmitReferenceBindingToExpr(Init);
-  EmitStoreOfScalar(RV.getScalarVal(), DeclAddr, false, T);
-}
-
-/// Create a stub function, suitable for being passed to atexit,
-/// which passes the given address to the given destructor function.
-llvm::Constant *CodeGenFunction::createAtExitStub(const VarDecl &VD,
-                                                  llvm::Constant *dtor,
-                                                  llvm::Constant *addr) {
-  // Get the destructor function type, void(*)(void).
-  llvm::FunctionType *ty = llvm::FunctionType::get(CGM.VoidTy, false);
-  SmallString<256> FnName;
-  {
-    llvm::raw_svector_ostream Out(FnName);
-    CGM.getCXXABI().getMangleContext().mangleDynamicAtExitDestructor(&VD, Out);
-  }
-
-  const CGFunctionInfo &FI = CGM.getTypes().arrangeNullaryFunction();
-  llvm::Function *fn = CGM.CreateGlobalInitOrDestructFunction(ty, FnName.str(),
-                                                              FI,
-                                                              VD.getLocation());
-
-  CodeGenFunction CGF(CGM);
-
-  CGF.StartFunction(&VD, CGM.getContext().VoidTy, fn, FI, FunctionArgList());
-
-  llvm::CallInst *call = CGF.Builder.CreateCall(dtor, addr);
-
- // Make sure the call and the callee agree on calling convention.
-  if (llvm::Function *dtorFn =
-        dyn_cast<llvm::Function>(dtor->stripPointerCasts()))
-    call->setCallingConv(dtorFn->getCallingConv());
-
-  CGF.FinishFunction();
-
-  return fn;
-}
-
-/// Register a global destructor using the C atexit runtime function.
-void CodeGenFunction::registerGlobalDtorWithAtExit(const VarDecl &VD,
-                                                   llvm::Constant *dtor,
-                                                   llvm::Constant *addr) {
-  // Create a function which calls the destructor.
-  llvm::Constant *dtorStub = createAtExitStub(VD, dtor, addr);
-  registerGlobalDtorWithAtExit(dtorStub);
-}
-
-void CodeGenFunction::registerGlobalDtorWithAtExit(llvm::Constant *dtorStub) {
-  // extern "C" int atexit(void (*f)(void));
-  llvm::FunctionType *atexitTy =
-    llvm::FunctionType::get(IntTy, dtorStub->getType(), false);
-
-  llvm::Constant *atexit =
-      CGM.CreateRuntimeFunction(atexitTy, "atexit", llvm::AttributeList(),
-                                /*Local=*/true);
-  if (llvm::Function *atexitFn = dyn_cast<llvm::Function>(atexit))
-    atexitFn->setDoesNotThrow();
-
-  EmitNounwindRuntimeCall(atexit, dtorStub);
-}
-
-void CodeGenFunction::EmitCXXGuardedInit(const VarDecl &D,
-                                         llvm::GlobalVariable *DeclPtr,
-                                         bool PerformInit) {
-  // If we've been asked to forbid guard variables, emit an error now.
-  // This diagnostic is hard-coded for Darwin's use case;  we can find
-  // better phrasing if someone else needs it.
-  if (CGM.getCodeGenOpts().ForbidGuardVariables)
-    CGM.Error(D.getLocation(),
-              "this initialization requires a guard variable, which "
-              "the kernel does not support");
-
-  CGM.getCXXABI().EmitGuardedInit(*this, D, DeclPtr, PerformInit);
-}
-
-void CodeGenFunction::EmitCXXGuardedInitBranch(llvm::Value *NeedsInit,
-                                               llvm::BasicBlock *InitBlock,
-                                               llvm::BasicBlock *NoInitBlock,
-                                               GuardKind Kind,
-                                               const VarDecl *D) {
-  assert((Kind == GuardKind::TlsGuard || D) && "no guarded variable");
-
-  // A guess at how many times we will enter the initialization of a
-  // variable, depending on the kind of variable.
-  static const uint64_t InitsPerTLSVar = 1024;
-  static const uint64_t InitsPerLocalVar = 1024 * 1024;
-
-  llvm::MDNode *Weights;
-  if (Kind == GuardKind::VariableGuard && !D->isLocalVarDecl()) {
-    // For non-local variables, don't apply any weighting for now. Due to our
-    // use of COMDATs, we expect there to be at most one initialization of the
-    // variable per DSO, but we have no way to know how many DSOs will try to
-    // initialize the variable.
-    Weights = nullptr;
-  } else {
-    uint64_t NumInits;
-    // FIXME: For the TLS case, collect and use profiling information to
-    // determine a more accurate brach weight.
-    if (Kind == GuardKind::TlsGuard || D->getTLSKind())
-      NumInits = InitsPerTLSVar;
-    else
-      NumInits = InitsPerLocalVar;
-
-    // The probability of us entering the initializer is
-    //   1 / (total number of times we attempt to initialize the variable).
-    llvm::MDBuilder MDHelper(CGM.getLLVMContext());
-    Weights = MDHelper.createBranchWeights(1, NumInits - 1);
-  }
-
-  Builder.CreateCondBr(NeedsInit, InitBlock, NoInitBlock, Weights);
-}
-
-llvm::Function *CodeGenModule::CreateGlobalInitOrDestructFunction(
-    llvm::FunctionType *FTy, const Twine &Name, const CGFunctionInfo &FI,
-    SourceLocation Loc, bool TLS) {
-  llvm::Function *Fn =
-    llvm::Function::Create(FTy, llvm::GlobalValue::InternalLinkage,
-                           Name, &getModule());
-  if (!getLangOpts().AppleKext && !TLS) {
-    // Set the section if needed.
-    if (const char *Section = getTarget().getStaticInitSectionSpecifier())
-      Fn->setSection(Section);
-  }
-
-  SetInternalFunctionAttributes(GlobalDecl(), Fn, FI);
-
-  Fn->setCallingConv(getRuntimeCC());
-
-  if (!getLangOpts().Exceptions)
-    Fn->setDoesNotThrow();
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::Address) &&
-      !isInSanitizerBlacklist(SanitizerKind::Address, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeAddress);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::KernelAddress) &&
-      !isInSanitizerBlacklist(SanitizerKind::KernelAddress, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeAddress);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::HWAddress) &&
-      !isInSanitizerBlacklist(SanitizerKind::HWAddress, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeHWAddress);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::KernelHWAddress) &&
-      !isInSanitizerBlacklist(SanitizerKind::KernelHWAddress, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeHWAddress);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::Thread) &&
-      !isInSanitizerBlacklist(SanitizerKind::Thread, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeThread);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::Memory) &&
-      !isInSanitizerBlacklist(SanitizerKind::Memory, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeMemory);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::KernelMemory) &&
-      !isInSanitizerBlacklist(SanitizerKind::KernelMemory, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SanitizeMemory);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::SafeStack) &&
-      !isInSanitizerBlacklist(SanitizerKind::SafeStack, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::SafeStack);
-
-  if (getLangOpts().Sanitize.has(SanitizerKind::ShadowCallStack) &&
-      !isInSanitizerBlacklist(SanitizerKind::ShadowCallStack, Fn, Loc))
-    Fn->addFnAttr(llvm::Attribute::ShadowCallStack);
-
-  auto RASignKind = getCodeGenOpts().getSignReturnAddress();
-  if (RASignKind != CodeGenOptions::SignReturnAddressScope::None) {
-    Fn->addFnAttr("sign-return-address",
-                  RASignKind == CodeGenOptions::SignReturnAddressScope::All
-                      ? "all"
-                      : "non-leaf");
-    auto RASignKey = getCodeGenOpts().getSignReturnAddressKey();
-    Fn->addFnAttr("sign-return-address-key",
-                  RASignKey == CodeGenOptions::SignReturnAddressKeyValue::AKey
-                      ? "a_key"
-                      : "b_key");
-  }
-
-  if (getCodeGenOpts().BranchTargetEnforcement)
-    Fn->addFnAttr("branch-target-enforcement");
-
-  return Fn;
-}
-
-/// Create a global pointer to a function that will initialize a global
-/// variable.  The user has requested that this pointer be emitted in a specific
-/// section.
-void CodeGenModule::EmitPointerToInitFunc(const VarDecl *D,
-                                          llvm::GlobalVariable *GV,
-                                          llvm::Function *InitFunc,
-                                          InitSegAttr *ISA) {
-  llvm::GlobalVariable *PtrArray = new llvm::GlobalVariable(
-      TheModule, InitFunc->getType(), /*isConstant=*/true,
-      llvm::GlobalValue::PrivateLinkage, InitFunc, "__cxx_init_fn_ptr");
-  PtrArray->setSection(ISA->getSection());
-  addUsedGlobal(PtrArray);
-
-  // If the GV is already in a comdat group, then we have to join it.
-  if (llvm::Comdat *C = GV->getComdat())
-    PtrArray->setComdat(C);
-}
-
-void
-CodeGenModule::EmitCXXGlobalVarDeclInitFunc(const VarDecl *D,
-                                            llvm::GlobalVariable *Addr,
-                                            bool PerformInit) {
-
-  // According to E.2.3.1 in CUDA-7.5 Programming guide: __device__,
-  // __constant__ and __shared__ variables defined in namespace scope,
-  // that are of class type, cannot have a non-empty constructor. All
-  // the checks have been done in Sema by now. Whatever initializers
-  // are allowed are empty and we just need to ignore them here.
-  if (getLangOpts().CUDA && getLangOpts().CUDAIsDevice &&
-      (D->hasAttr<CUDADeviceAttr>() || D->hasAttr<CUDAConstantAttr>() ||
-       D->hasAttr<CUDASharedAttr>()))
-    return;
-
-  if (getLangOpts().OpenMP &&
-      getOpenMPRuntime().emitDeclareTargetVarDefinition(D, Addr, PerformInit))
-    return;
-
-  // Check if we've already initialized this decl.
-  auto I = DelayedCXXInitPosition.find(D);
-  if (I != DelayedCXXInitPosition.end() && I->second == ~0U)
-    return;
-
-  llvm::FunctionType *FTy = llvm::FunctionType::get(VoidTy, false);
-  SmallString<256> FnName;
-  {
-    llvm::raw_svector_ostream Out(FnName);
-    getCXXABI().getMangleContext().mangleDynamicInitializer(D, Out);
-  }
-
-  // Create a variable initialization function.
-  llvm::Function *Fn =
-      CreateGlobalInitOrDestructFunction(FTy, FnName.str(),
-                                         getTypes().arrangeNullaryFunction(),
-                                         D->getLocation());
-
-  auto *ISA = D->getAttr<InitSegAttr>();
-  CodeGenFunction(*this).GenerateCXXGlobalVarDeclInitFunc(Fn, D, Addr,
-                                                          PerformInit);
-
-  llvm::GlobalVariable *COMDATKey =
-      supportsCOMDAT() && D->isExternallyVisible() ? Addr : nullptr;
-
-  if (D->getTLSKind()) {
-    // FIXME: Should we support init_priority for thread_local?
-    // FIXME: We only need to register one __cxa_thread_atexit function for the
-    // entire TU.
-    CXXThreadLocalInits.push_back(Fn);
-    CXXThreadLocalInitVars.push_back(D);
-  } else if (PerformInit && ISA) {
-    EmitPointerToInitFunc(D, Addr, Fn, ISA);
-  } else if (auto *IPA = D->getAttr<InitPriorityAttr>()) {
-    OrderGlobalInits Key(IPA->getPriority(), PrioritizedCXXGlobalInits.size());
-    PrioritizedCXXGlobalInits.push_back(std::make_pair(Key, Fn));
-  } else if (isTemplateInstantiation(D->getTemplateSpecializationKind())) {
-    // C++ [basic.start.init]p2:
-    //   Definitions of explicitly specialized class template static data
-    //   members have ordered initialization. Other class template static data
-    //   members (i.e., implicitly or explicitly instantiated specializations)
-    //   have unordered initialization.
-    //
-    // As a consequence, we can put them into their own llvm.global_ctors entry.
-    //
-    // If the global is externally visible, put the initializer into a COMDAT
-    // group with the global being initialized.  On most platforms, this is a
-    // minor startup time optimization.  In the MS C++ ABI, there are no guard
-    // variables, so this COMDAT key is required for correctness.
-    AddGlobalCtor(Fn, 65535, COMDATKey);
-  } else if (D->hasAttr<SelectAnyAttr>()) {
-    // SelectAny globals will be comdat-folded. Put the initializer into a
-    // COMDAT group associated with the global, so the initializers get folded
-    // too.
-    AddGlobalCtor(Fn, 65535, COMDATKey);
-  } else {
-    I = DelayedCXXInitPosition.find(D); // Re-do lookup in case of re-hash.
-    if (I == DelayedCXXInitPosition.end()) {
-      CXXGlobalInits.push_back(Fn);
-    } else if (I->second != ~0U) {
-      assert(I->second < CXXGlobalInits.size() &&
-             CXXGlobalInits[I->second] == nullptr);
-      CXXGlobalInits[I->second] = Fn;
-    }
-  }
-
-  // Remember that we already emitted the initializer for this global.
-  DelayedCXXInitPosition[D] = ~0U;
-}
-
-void CodeGenModule::EmitCXXThreadLocalInitFunc() {
-  getCXXABI().EmitThreadLocalInitFuncs(
-      *this, CXXThreadLocals, CXXThreadLocalInits, CXXThreadLocalInitVars);
-
-  CXXThreadLocalInits.clear();
-  CXXThreadLocalInitVars.clear();
-  CXXThreadLocals.clear();
-}
-
-void
-CodeGenModule::EmitCXXGlobalInitFunc() {
-  while (!CXXGlobalInits.empty() && !CXXGlobalInits.back())
-    CXXGlobalInits.pop_back();
-
-  if (CXXGlobalInits.empty() && PrioritizedCXXGlobalInits.empty())
-    return;
-
-  llvm::FunctionType *FTy = llvm::FunctionType::get(VoidTy, false);
-  const CGFunctionInfo &FI = getTypes().arrangeNullaryFunction();
-
-  // Create our global initialization function.
-  if (!PrioritizedCXXGlobalInits.empty()) {
-    SmallVector<llvm::Function *, 8> LocalCXXGlobalInits;
-    llvm::array_pod_sort(PrioritizedCXXGlobalInits.begin(),
-                         PrioritizedCXXGlobalInits.end());
-    // Iterate over "chunks" of ctors with same priority and emit each chunk
-    // into separate function. Note - everything is sorted first by priority,
-    // second - by lex order, so we emit ctor functions in proper order.
-    for (SmallVectorImpl<GlobalInitData >::iterator
-           I = PrioritizedCXXGlobalInits.begin(),
-           E = PrioritizedCXXGlobalInits.end(); I != E; ) {
-      SmallVectorImpl<GlobalInitData >::iterator
-        PrioE = std::upper_bound(I + 1, E, *I, GlobalInitPriorityCmp());
-
-      LocalCXXGlobalInits.clear();
-      unsigned Priority = I->first.priority;
-      // Compute the function suffix from priority. Prepend with zeroes to make
-      // sure the function names are also ordered as priorities.
-      std::string PrioritySuffix = llvm::utostr(Priority);
-      // Priority is always <= 65535 (enforced by sema).
-      PrioritySuffix = std::string(6-PrioritySuffix.size(), '0')+PrioritySuffix;
-      llvm::Function *Fn = CreateGlobalInitOrDestructFunction(
-          FTy, "_GLOBAL__I_" + PrioritySuffix, FI);
-
-      for (; I < PrioE; ++I)
-        LocalCXXGlobalInits.push_back(I->second);
-
-      CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, LocalCXXGlobalInits);
-      AddGlobalCtor(Fn, Priority);
-    }
-    PrioritizedCXXGlobalInits.clear();
-  }
-
-  // Include the filename in the symbol name. Including "sub_" matches gcc and
-  // makes sure these symbols appear lexicographically behind the symbols with
-  // priority emitted above.
-  SmallString<128> FileName = llvm::sys::path::filename(getModule().getName());
-  if (FileName.empty())
-    FileName = "<null>";
-
-  for (size_t i = 0; i < FileName.size(); ++i) {
-    // Replace everything that's not [a-zA-Z0-9._] with a _. This set happens
-    // to be the set of C preprocessing numbers.
-    if (!isPreprocessingNumberBody(FileName[i]))
-      FileName[i] = '_';
-  }
-
-  llvm::Function *Fn = CreateGlobalInitOrDestructFunction(
-      FTy, llvm::Twine("_GLOBAL__sub_I_", FileName), FI);
-
-  CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, CXXGlobalInits);
-  AddGlobalCtor(Fn);
-
-  CXXGlobalInits.clear();
-}
-
-void CodeGenModule::EmitCXXGlobalDtorFunc() {
-  if (CXXGlobalDtors.empty())
-    return;
-
-  llvm::FunctionType *FTy = llvm::FunctionType::get(VoidTy, false);
-
-  // Create our global destructor function.
-  const CGFunctionInfo &FI = getTypes().arrangeNullaryFunction();
-  llvm::Function *Fn =
-      CreateGlobalInitOrDestructFunction(FTy, "_GLOBAL__D_a", FI);
-
-  CodeGenFunction(*this).GenerateCXXGlobalDtorsFunc(Fn, CXXGlobalDtors);
-  AddGlobalDtor(Fn);
-}
-
-/// Emit the code necessary to initialize the given global variable.
-void CodeGenFunction::GenerateCXXGlobalVarDeclInitFunc(llvm::Function *Fn,
-                                                       const VarDecl *D,
-                                                 llvm::GlobalVariable *Addr,
-                                                       bool PerformInit) {
-  // Check if we need to emit debug info for variable initializer.
-  if (D->hasAttr<NoDebugAttr>())
-    DebugInfo = nullptr; // disable debug info indefinitely for this function
-
-  CurEHLocation = D->getBeginLoc();
-
-  StartFunction(GlobalDecl(D), getContext().VoidTy, Fn,
-                getTypes().arrangeNullaryFunction(),
-                FunctionArgList(), D->getLocation(),
-                D->getInit()->getExprLoc());
-
-  // Use guarded initialization if the global variable is weak. This
-  // occurs for, e.g., instantiated static data members and
-  // definitions explicitly marked weak.
-  if (Addr->hasWeakLinkage() || Addr->hasLinkOnceLinkage()) {
-    EmitCXXGuardedInit(*D, Addr, PerformInit);
-  } else {
-    EmitCXXGlobalVarDeclInit(*D, Addr, PerformInit);
-  }
-
-  FinishFunction();
-}
-
-void
-CodeGenFunction::GenerateCXXGlobalInitFunc(llvm::Function *Fn,
-                                           ArrayRef<llvm::Function *> Decls,
-                                           ConstantAddress Guard) {
-  {
-    auto NL = ApplyDebugLocation::CreateEmpty(*this);
-    StartFunction(GlobalDecl(), getContext().VoidTy, Fn,
-                  getTypes().arrangeNullaryFunction(), FunctionArgList());
-    // Emit an artificial location for this function.
-    auto AL = ApplyDebugLocation::CreateArtificial(*this);
-
-    llvm::BasicBlock *ExitBlock = nullptr;
-    if (Guard.isValid()) {
-      // If we have a guard variable, check whether we've already performed
-      // these initializations. This happens for TLS initialization functions.
-      llvm::Value *GuardVal = Builder.CreateLoad(Guard);
-      llvm::Value *Uninit = Builder.CreateIsNull(GuardVal,
-                                                 "guard.uninitialized");
-      llvm::BasicBlock *InitBlock = createBasicBlock("init");
-      ExitBlock = createBasicBlock("exit");
-      EmitCXXGuardedInitBranch(Uninit, InitBlock, ExitBlock,
-                               GuardKind::TlsGuard, nullptr);
-      EmitBlock(InitBlock);
-      // Mark as initialized before initializing anything else. If the
-      // initializers use previously-initialized thread_local vars, that's
-      // probably supposed to be OK, but the standard doesn't say.
-      Builder.CreateStore(llvm::ConstantInt::get(GuardVal->getType(),1), Guard);
-
-      // The guard variable can't ever change again.
-      EmitInvariantStart(
-          Guard.getPointer(),
-          CharUnits::fromQuantity(
-              CGM.getDataLayout().getTypeAllocSize(GuardVal->getType())));
-    }
-
-    RunCleanupsScope Scope(*this);
-
-    // When building in Objective-C++ ARC mode, create an autorelease pool
-    // around the global initializers.
-    if (getLangOpts().ObjCAutoRefCount && getLangOpts().CPlusPlus) {
-      llvm::Value *token = EmitObjCAutoreleasePoolPush();
-      EmitObjCAutoreleasePoolCleanup(token);
-    }
-
-    for (unsigned i = 0, e = Decls.size(); i != e; ++i)
-      if (Decls[i])
-        EmitRuntimeCall(Decls[i]);
-
-    Scope.ForceCleanup();
-
-    if (ExitBlock) {
-      Builder.CreateBr(ExitBlock);
-      EmitBlock(ExitBlock);
-    }
-  }
-
-  FinishFunction();
-}
-
-void CodeGenFunction::GenerateCXXGlobalDtorsFunc(
-    llvm::Function *Fn,
-    const std::vector<std::pair<llvm::WeakTrackingVH, llvm::Constant *>>
-        &DtorsAndObjects) {
-  {
-    auto NL = ApplyDebugLocation::CreateEmpty(*this);
-    StartFunction(GlobalDecl(), getContext().VoidTy, Fn,
-                  getTypes().arrangeNullaryFunction(), FunctionArgList());
-    // Emit an artificial location for this function.
-    auto AL = ApplyDebugLocation::CreateArtificial(*this);
-
-    // Emit the dtors, in reverse order from construction.
-    for (unsigned i = 0, e = DtorsAndObjects.size(); i != e; ++i) {
-      llvm::Value *Callee = DtorsAndObjects[e - i - 1].first;
-      llvm::CallInst *CI = Builder.CreateCall(Callee,
-                                          DtorsAndObjects[e - i - 1].second);
-      // Make sure the call and the callee agree on calling convention.
-      if (llvm::Function *F = dyn_cast<llvm::Function>(Callee))
-        CI->setCallingConv(F->getCallingConv());
-    }
-  }
-
-  FinishFunction();
-}
-
-/// generateDestroyHelper - Generates a helper function which, when
-/// invoked, destroys the given object.  The address of the object
-/// should be in global memory.
-llvm::Function *CodeGenFunction::generateDestroyHelper(
-    Address addr, QualType type, Destroyer *destroyer,
-    bool useEHCleanupForArray, const VarDecl *VD) {
-  FunctionArgList args;
-  ImplicitParamDecl Dst(getContext(), getContext().VoidPtrTy,
-                        ImplicitParamDecl::Other);
-  args.push_back(&Dst);
-
-  const CGFunctionInfo &FI =
-    CGM.getTypes().arrangeBuiltinFunctionDeclaration(getContext().VoidTy, args);
-  llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FI);
-  llvm::Function *fn = CGM.CreateGlobalInitOrDestructFunction(
-      FTy, "__cxx_global_array_dtor", FI, VD->getLocation());
-
-  CurEHLocation = VD->getBeginLoc();
-
-  StartFunction(VD, getContext().VoidTy, fn, FI, args);
-
-  emitDestroy(addr, type, destroyer, useEHCleanupForArray);
-
-  FinishFunction();
-
-  return fn;
-}