Intermediate changes

commit_hash:2ec2671384dd8e604d41bc5c52c2f7858e4afea6

1 files changed, 0 insertions, 279 deletions

diff --git a/contrib/libs/llvm14/lib/Transforms/Utils/ModuleUtils.cpp b/contrib/libs/llvm14/lib/Transforms/Utils/ModuleUtils.cpp
deleted file mode 100644
index d6a6be2762c..00000000000
--- a/contrib/libs/llvm14/lib/Transforms/Utils/ModuleUtils.cpp
+++ /dev/null
@@ -1,279 +0,0 @@
-//===-- ModuleUtils.cpp - Functions to manipulate Modules -----------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This family of functions perform manipulations on Modules.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Utils/ModuleUtils.h"
-#include "llvm/Analysis/TargetLibraryInfo.h"
-#include "llvm/Analysis/VectorUtils.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;
-
-#define DEBUG_TYPE "moduleutils"
-
-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 = StructType::get(
-      IRB.getInt32Ty(), PointerType::getUnqual(FnTy), IRB.getInt8PtrTy());
-  if (GlobalVariable *GVCtor = M.getNamedGlobal(Array)) {
-    if (Constant *Init = GVCtor->getInitializer()) {
-      unsigned n = Init->getNumOperands();
-      CurrentCtors.reserve(n + 1);
-      for (unsigned i = 0; i != n; ++i)
-        CurrentCtors.push_back(cast<Constant>(Init->getOperand(i)));
-    }
-    GVCtor->eraseFromParent();
-  }
-
-  // Build a 3 field global_ctor entry.  We don't take a comdat key.
-  Constant *CSVals[3];
-  CSVals[0] = IRB.getInt32(Priority);
-  CSVals[1] = F;
-  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) {
-    if (GV->hasInitializer()) {
-      auto *CA = 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::getPointerBitCastOrAddrSpaceCast(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);
-}
-
-FunctionCallee
-llvm::declareSanitizerInitFunction(Module &M, StringRef InitName,
-                                   ArrayRef<Type *> InitArgTypes) {
-  assert(!InitName.empty() && "Expected init function name");
-  return M.getOrInsertFunction(
-      InitName,
-      FunctionType::get(Type::getVoidTy(M.getContext()), InitArgTypes, false),
-      AttributeList());
-}
-
-Function *llvm::createSanitizerCtor(Module &M, StringRef CtorName) {
-  Function *Ctor = Function::createWithDefaultAttr(
-      FunctionType::get(Type::getVoidTy(M.getContext()), false),
-      GlobalValue::InternalLinkage, 0, CtorName, &M);
-  Ctor->addFnAttr(Attribute::NoUnwind);
-  BasicBlock *CtorBB = BasicBlock::Create(M.getContext(), "", Ctor);
-  ReturnInst::Create(M.getContext(), CtorBB);
-  // Ensure Ctor cannot be discarded, even if in a comdat.
-  appendToUsed(M, {Ctor});
-  return Ctor;
-}
-
-std::pair<Function *, FunctionCallee> 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");
-  FunctionCallee InitFunction =
-      declareSanitizerInitFunction(M, InitName, InitArgTypes);
-  Function *Ctor = createSanitizerCtor(M, CtorName);
-  IRBuilder<> IRB(Ctor->getEntryBlock().getTerminator());
-  IRB.CreateCall(InitFunction, InitArgs);
-  if (!VersionCheckName.empty()) {
-    FunctionCallee VersionCheckFunction = M.getOrInsertFunction(
-        VersionCheckName, FunctionType::get(IRB.getVoidTy(), {}, false),
-        AttributeList());
-    IRB.CreateCall(VersionCheckFunction, {});
-  }
-  return std::make_pair(Ctor, InitFunction);
-}
-
-std::pair<Function *, FunctionCallee>
-llvm::getOrCreateSanitizerCtorAndInitFunctions(
-    Module &M, StringRef CtorName, StringRef InitName,
-    ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs,
-    function_ref<void(Function *, FunctionCallee)> 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_empty() ||
-        Ctor->getReturnType() == Type::getVoidTy(M.getContext()))
-      return {Ctor, declareSanitizerInitFunction(M, InitName, InitArgTypes)};
-
-  Function *Ctor;
-  FunctionCallee InitFunction;
-  std::tie(Ctor, InitFunction) = llvm::createSanitizerCtorAndInitFunctions(
-      M, CtorName, InitName, InitArgTypes, InitArgs, VersionCheckName);
-  FunctionsCreatedCallback(Ctor, InitFunction);
-  return std::make_pair(Ctor, InitFunction);
-}
-
-void llvm::filterDeadComdatFunctions(
-    SmallVectorImpl<Function *> &DeadComdatFunctions) {
-  SmallPtrSet<Function *, 32> MaybeDeadFunctions;
-  SmallPtrSet<Comdat *, 32> MaybeDeadComdats;
-  for (Function *F : DeadComdatFunctions) {
-    MaybeDeadFunctions.insert(F);
-    if (Comdat *C = F->getComdat())
-      MaybeDeadComdats.insert(C);
-  }
-
-  // Find comdats for which all users are dead now.
-  SmallPtrSet<Comdat *, 32> DeadComdats;
-  for (Comdat *C : MaybeDeadComdats) {
-    auto IsUserDead = [&](GlobalObject *GO) {
-      auto *F = dyn_cast<Function>(GO);
-      return F && MaybeDeadFunctions.contains(F);
-    };
-    if (all_of(C->getUsers(), IsUserDead))
-      DeadComdats.insert(C);
-  }
-
-  // Only keep functions which have no comdat or a dead comdat.
-  erase_if(DeadComdatFunctions, [&](Function *F) {
-    Comdat *C = F->getComdat();
-    return C && !DeadComdats.contains(C);
-  });
-}
-
-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();
-}
-
-void VFABI::setVectorVariantNames(
-    CallInst *CI, const SmallVector<std::string, 8> &VariantMappings) {
-  if (VariantMappings.empty())
-    return;
-
-  SmallString<256> Buffer;
-  llvm::raw_svector_ostream Out(Buffer);
-  for (const std::string &VariantMapping : VariantMappings)
-    Out << VariantMapping << ",";
-  // Get rid of the trailing ','.
-  assert(!Buffer.str().empty() && "Must have at least one char.");
-  Buffer.pop_back();
-
-  Module *M = CI->getModule();
-#ifndef NDEBUG
-  for (const std::string &VariantMapping : VariantMappings) {
-    LLVM_DEBUG(dbgs() << "VFABI: adding mapping '" << VariantMapping << "'\n");
-    Optional<VFInfo> VI = VFABI::tryDemangleForVFABI(VariantMapping, *M);
-    assert(VI.hasValue() && "Cannot add an invalid VFABI name.");
-    assert(M->getNamedValue(VI.getValue().VectorName) &&
-           "Cannot add variant to attribute: "
-           "vector function declaration is missing.");
-  }
-#endif
-  CI->addFnAttr(
-      Attribute::get(M->getContext(), MappingsAttrName, Buffer.str()));
-}
-
-void llvm::embedBufferInModule(Module &M, MemoryBufferRef Buf,
-                               StringRef SectionName) {
-  // Embed the buffer into the module.
-  Constant *ModuleConstant = ConstantDataArray::get(
-      M.getContext(), makeArrayRef(Buf.getBufferStart(), Buf.getBufferSize()));
-  GlobalVariable *GV = new GlobalVariable(
-      M, ModuleConstant->getType(), true, GlobalValue::PrivateLinkage,
-      ModuleConstant, "llvm.embedded.object");
-  GV->setSection(SectionName);
-
-  appendToCompilerUsed(M, GV);
-}