Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 314 deletions

diff --git a/gnu/llvm/lib/Transforms/Utils/ModuleUtils.cpp b/gnu/llvm/lib/Transforms/Utils/ModuleUtils.cpp
deleted file mode 100644
index ae5e72ea4d3..00000000000
--- a/gnu/llvm/lib/Transforms/Utils/ModuleUtils.cpp
+++ /dev/null
@@ -1,314 +0,0 @@
-//===-- ModuleUtils.cpp - Functions to manipulate Modules -----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This family of functions perform manipulations on Modules.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Utils/ModuleUtils.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-static void appendToGlobalArray(const char *Array, Module &M, Function *F,
-                                int Priority, Constant *Data) {
-  IRBuilder<> IRB(M.getContext());
-  FunctionType *FnTy = FunctionType::get(IRB.getVoidTy(), false);
-
-  // Get the current set of static global constructors and add the new ctor
-  // to the list.
-  SmallVector<Constant *, 16> CurrentCtors;
-  StructType *EltTy;
-  if (GlobalVariable *GVCtor = M.getNamedGlobal(Array)) {
-    ArrayType *ATy = cast<ArrayType>(GVCtor->getValueType());
-    StructType *OldEltTy = cast<StructType>(ATy->getElementType());
-    // Upgrade a 2-field global array type to the new 3-field format if needed.
-    if (Data && OldEltTy->getNumElements() < 3)
-      EltTy = StructType::get(IRB.getInt32Ty(), PointerType::getUnqual(FnTy),
-                              IRB.getInt8PtrTy());
-    else
-      EltTy = OldEltTy;
-    if (Constant *Init = GVCtor->getInitializer()) {
-      unsigned n = Init->getNumOperands();
-      CurrentCtors.reserve(n + 1);
-      for (unsigned i = 0; i != n; ++i) {
-        auto Ctor = cast<Constant>(Init->getOperand(i));
-        if (EltTy != OldEltTy)
-          Ctor =
-              ConstantStruct::get(EltTy, Ctor->getAggregateElement((unsigned)0),
-                                  Ctor->getAggregateElement(1),
-                                  Constant::getNullValue(IRB.getInt8PtrTy()));
-        CurrentCtors.push_back(Ctor);
-      }
-    }
-    GVCtor->eraseFromParent();
-  } else {
-    // Use the new three-field struct if there isn't one already.
-    EltTy = StructType::get(IRB.getInt32Ty(), PointerType::getUnqual(FnTy),
-                            IRB.getInt8PtrTy());
-  }
-
-  // Build a 2 or 3 field global_ctor entry.  We don't take a comdat key.
-  Constant *CSVals[3];
-  CSVals[0] = IRB.getInt32(Priority);
-  CSVals[1] = F;
-  // FIXME: Drop support for the two element form in LLVM 4.0.
-  if (EltTy->getNumElements() >= 3)
-    CSVals[2] = Data ? ConstantExpr::getPointerCast(Data, IRB.getInt8PtrTy())
-                     : Constant::getNullValue(IRB.getInt8PtrTy());
-  Constant *RuntimeCtorInit =
-      ConstantStruct::get(EltTy, makeArrayRef(CSVals, EltTy->getNumElements()));
-
-  CurrentCtors.push_back(RuntimeCtorInit);
-
-  // Create a new initializer.
-  ArrayType *AT = ArrayType::get(EltTy, CurrentCtors.size());
-  Constant *NewInit = ConstantArray::get(AT, CurrentCtors);
-
-  // Create the new global variable and replace all uses of
-  // the old global variable with the new one.
-  (void)new GlobalVariable(M, NewInit->getType(), false,
-                           GlobalValue::AppendingLinkage, NewInit, Array);
-}
-
-void llvm::appendToGlobalCtors(Module &M, Function *F, int Priority, Constant *Data) {
-  appendToGlobalArray("llvm.global_ctors", M, F, Priority, Data);
-}
-
-void llvm::appendToGlobalDtors(Module &M, Function *F, int Priority, Constant *Data) {
-  appendToGlobalArray("llvm.global_dtors", M, F, Priority, Data);
-}
-
-static void appendToUsedList(Module &M, StringRef Name, ArrayRef<GlobalValue *> Values) {
-  GlobalVariable *GV = M.getGlobalVariable(Name);
-  SmallPtrSet<Constant *, 16> InitAsSet;
-  SmallVector<Constant *, 16> Init;
-  if (GV) {
-    ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer());
-    for (auto &Op : CA->operands()) {
-      Constant *C = cast_or_null<Constant>(Op);
-      if (InitAsSet.insert(C).second)
-        Init.push_back(C);
-    }
-    GV->eraseFromParent();
-  }
-
-  Type *Int8PtrTy = llvm::Type::getInt8PtrTy(M.getContext());
-  for (auto *V : Values) {
-    Constant *C = ConstantExpr::getBitCast(V, Int8PtrTy);
-    if (InitAsSet.insert(C).second)
-      Init.push_back(C);
-  }
-
-  if (Init.empty())
-    return;
-
-  ArrayType *ATy = ArrayType::get(Int8PtrTy, Init.size());
-  GV = new llvm::GlobalVariable(M, ATy, false, GlobalValue::AppendingLinkage,
-                                ConstantArray::get(ATy, Init), Name);
-  GV->setSection("llvm.metadata");
-}
-
-void llvm::appendToUsed(Module &M, ArrayRef<GlobalValue *> Values) {
-  appendToUsedList(M, "llvm.used", Values);
-}
-
-void llvm::appendToCompilerUsed(Module &M, ArrayRef<GlobalValue *> Values) {
-  appendToUsedList(M, "llvm.compiler.used", Values);
-}
-
-Function *llvm::checkSanitizerInterfaceFunction(Constant *FuncOrBitcast) {
-  if (isa<Function>(FuncOrBitcast))
-    return cast<Function>(FuncOrBitcast);
-  FuncOrBitcast->print(errs());
-  errs() << '\n';
-  std::string Err;
-  raw_string_ostream Stream(Err);
-  Stream << "Sanitizer interface function redefined: " << *FuncOrBitcast;
-  report_fatal_error(Err);
-}
-
-Function *llvm::declareSanitizerInitFunction(Module &M, StringRef InitName,
-                                             ArrayRef<Type *> InitArgTypes) {
-  assert(!InitName.empty() && "Expected init function name");
-  Function *F = checkSanitizerInterfaceFunction(M.getOrInsertFunction(
-      InitName,
-      FunctionType::get(Type::getVoidTy(M.getContext()), InitArgTypes, false),
-      AttributeList()));
-  F->setLinkage(Function::ExternalLinkage);
-  return F;
-}
-
-std::pair<Function *, Function *> llvm::createSanitizerCtorAndInitFunctions(
-    Module &M, StringRef CtorName, StringRef InitName,
-    ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs,
-    StringRef VersionCheckName) {
-  assert(!InitName.empty() && "Expected init function name");
-  assert(InitArgs.size() == InitArgTypes.size() &&
-         "Sanitizer's init function expects different number of arguments");
-  Function *InitFunction =
-      declareSanitizerInitFunction(M, InitName, InitArgTypes);
-  Function *Ctor = Function::Create(
-      FunctionType::get(Type::getVoidTy(M.getContext()), false),
-      GlobalValue::InternalLinkage, CtorName, &M);
-  BasicBlock *CtorBB = BasicBlock::Create(M.getContext(), "", Ctor);
-  IRBuilder<> IRB(ReturnInst::Create(M.getContext(), CtorBB));
-  IRB.CreateCall(InitFunction, InitArgs);
-  if (!VersionCheckName.empty()) {
-    Function *VersionCheckFunction =
-        checkSanitizerInterfaceFunction(M.getOrInsertFunction(
-            VersionCheckName, FunctionType::get(IRB.getVoidTy(), {}, false),
-            AttributeList()));
-    IRB.CreateCall(VersionCheckFunction, {});
-  }
-  return std::make_pair(Ctor, InitFunction);
-}
-
-std::pair<Function *, Function *>
-llvm::getOrCreateSanitizerCtorAndInitFunctions(
-    Module &M, StringRef CtorName, StringRef InitName,
-    ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs,
-    function_ref<void(Function *, Function *)> FunctionsCreatedCallback,
-    StringRef VersionCheckName) {
-  assert(!CtorName.empty() && "Expected ctor function name");
-
-  if (Function *Ctor = M.getFunction(CtorName))
-    // FIXME: Sink this logic into the module, similar to the handling of
-    // globals. This will make moving to a concurrent model much easier.
-    if (Ctor->arg_size() == 0 ||
-        Ctor->getReturnType() == Type::getVoidTy(M.getContext()))
-      return {Ctor, declareSanitizerInitFunction(M, InitName, InitArgTypes)};
-
-  Function *Ctor, *InitFunction;
-  std::tie(Ctor, InitFunction) = llvm::createSanitizerCtorAndInitFunctions(
-      M, CtorName, InitName, InitArgTypes, InitArgs, VersionCheckName);
-  FunctionsCreatedCallback(Ctor, InitFunction);
-  return std::make_pair(Ctor, InitFunction);
-}
-
-Function *llvm::getOrCreateInitFunction(Module &M, StringRef Name) {
-  assert(!Name.empty() && "Expected init function name");
-  if (Function *F = M.getFunction(Name)) {
-    if (F->arg_size() != 0 ||
-        F->getReturnType() != Type::getVoidTy(M.getContext())) {
-      std::string Err;
-      raw_string_ostream Stream(Err);
-      Stream << "Sanitizer interface function defined with wrong type: " << *F;
-      report_fatal_error(Err);
-    }
-    return F;
-  }
-  Function *F = checkSanitizerInterfaceFunction(M.getOrInsertFunction(
-      Name, AttributeList(), Type::getVoidTy(M.getContext())));
-  F->setLinkage(Function::ExternalLinkage);
-
-  appendToGlobalCtors(M, F, 0);
-
-  return F;
-}
-
-void llvm::filterDeadComdatFunctions(
-    Module &M, SmallVectorImpl<Function *> &DeadComdatFunctions) {
-  // Build a map from the comdat to the number of entries in that comdat we
-  // think are dead. If this fully covers the comdat group, then the entire
-  // group is dead. If we find another entry in the comdat group though, we'll
-  // have to preserve the whole group.
-  SmallDenseMap<Comdat *, int, 16> ComdatEntriesCovered;
-  for (Function *F : DeadComdatFunctions) {
-    Comdat *C = F->getComdat();
-    assert(C && "Expected all input GVs to be in a comdat!");
-    ComdatEntriesCovered[C] += 1;
-  }
-
-  auto CheckComdat = [&](Comdat &C) {
-    auto CI = ComdatEntriesCovered.find(&C);
-    if (CI == ComdatEntriesCovered.end())
-      return;
-
-    // If this could have been covered by a dead entry, just subtract one to
-    // account for it.
-    if (CI->second > 0) {
-      CI->second -= 1;
-      return;
-    }
-
-    // If we've already accounted for all the entries that were dead, the
-    // entire comdat is alive so remove it from the map.
-    ComdatEntriesCovered.erase(CI);
-  };
-
-  auto CheckAllComdats = [&] {
-    for (Function &F : M.functions())
-      if (Comdat *C = F.getComdat()) {
-        CheckComdat(*C);
-        if (ComdatEntriesCovered.empty())
-          return;
-      }
-    for (GlobalVariable &GV : M.globals())
-      if (Comdat *C = GV.getComdat()) {
-        CheckComdat(*C);
-        if (ComdatEntriesCovered.empty())
-          return;
-      }
-    for (GlobalAlias &GA : M.aliases())
-      if (Comdat *C = GA.getComdat()) {
-        CheckComdat(*C);
-        if (ComdatEntriesCovered.empty())
-          return;
-      }
-  };
-  CheckAllComdats();
-
-  if (ComdatEntriesCovered.empty()) {
-    DeadComdatFunctions.clear();
-    return;
-  }
-
-  // Remove the entries that were not covering.
-  erase_if(DeadComdatFunctions, [&](GlobalValue *GV) {
-    return ComdatEntriesCovered.find(GV->getComdat()) ==
-           ComdatEntriesCovered.end();
-  });
-}
-
-std::string llvm::getUniqueModuleId(Module *M) {
-  MD5 Md5;
-  bool ExportsSymbols = false;
-  auto AddGlobal = [&](GlobalValue &GV) {
-    if (GV.isDeclaration() || GV.getName().startswith("llvm.") ||
-        !GV.hasExternalLinkage() || GV.hasComdat())
-      return;
-    ExportsSymbols = true;
-    Md5.update(GV.getName());
-    Md5.update(ArrayRef<uint8_t>{0});
-  };
-
-  for (auto &F : *M)
-    AddGlobal(F);
-  for (auto &GV : M->globals())
-    AddGlobal(GV);
-  for (auto &GA : M->aliases())
-    AddGlobal(GA);
-  for (auto &IF : M->ifuncs())
-    AddGlobal(IF);
-
-  if (!ExportsSymbols)
-    return "";
-
-  MD5::MD5Result R;
-  Md5.final(R);
-
-  SmallString<32> Str;
-  MD5::stringifyResult(R, Str);
-  return ("$" + Str).str();
-}