1 files changed, 0 insertions, 202 deletions

diff --git a/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp b/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp
deleted file mode 100644
index 7ddf59becba9..000000000000
--- a/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ /dev/null
@@ -1,202 +0,0 @@
-//===- CloneModule.cpp - Clone an entire module ---------------------------===//
-//
-// 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 file implements the CloneModule interface which makes a copy of an
-// entire module.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/IR/Constant.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/Transforms/Utils/ValueMapper.h"
-using namespace llvm;
-
-static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) {
-  const Comdat *SC = Src->getComdat();
-  if (!SC)
-    return;
-  Comdat *DC = Dst->getParent()->getOrInsertComdat(SC->getName());
-  DC->setSelectionKind(SC->getSelectionKind());
-  Dst->setComdat(DC);
-}
-
-/// This is not as easy as it might seem because we have to worry about making
-/// copies of global variables and functions, and making their (initializers and
-/// references, respectively) refer to the right globals.
-///
-std::unique_ptr<Module> llvm::CloneModule(const Module &M) {
-  // Create the value map that maps things from the old module over to the new
-  // module.
-  ValueToValueMapTy VMap;
-  return CloneModule(M, VMap);
-}
-
-std::unique_ptr<Module> llvm::CloneModule(const Module &M,
-                                          ValueToValueMapTy &VMap) {
-  return CloneModule(M, VMap, [](const GlobalValue *GV) { return true; });
-}
-
-std::unique_ptr<Module> llvm::CloneModule(
-    const Module &M, ValueToValueMapTy &VMap,
-    function_ref<bool(const GlobalValue *)> ShouldCloneDefinition) {
-  // First off, we need to create the new module.
-  std::unique_ptr<Module> New =
-      llvm::make_unique<Module>(M.getModuleIdentifier(), M.getContext());
-  New->setSourceFileName(M.getSourceFileName());
-  New->setDataLayout(M.getDataLayout());
-  New->setTargetTriple(M.getTargetTriple());
-  New->setModuleInlineAsm(M.getModuleInlineAsm());
-
-  // Loop over all of the global variables, making corresponding globals in the
-  // new module.  Here we add them to the VMap and to the new Module.  We
-  // don't worry about attributes or initializers, they will come later.
-  //
-  for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I) {
-    GlobalVariable *GV = new GlobalVariable(*New,
-                                            I->getValueType(),
-                                            I->isConstant(), I->getLinkage(),
-                                            (Constant*) nullptr, I->getName(),
-                                            (GlobalVariable*) nullptr,
-                                            I->getThreadLocalMode(),
-                                            I->getType()->getAddressSpace());
-    GV->copyAttributesFrom(&*I);
-    VMap[&*I] = GV;
-  }
-
-  // Loop over the functions in the module, making external functions as before
-  for (const Function &I : M) {
-    Function *NF =
-        Function::Create(cast<FunctionType>(I.getValueType()), I.getLinkage(),
-                         I.getAddressSpace(), I.getName(), New.get());
-    NF->copyAttributesFrom(&I);
-    VMap[&I] = NF;
-  }
-
-  // Loop over the aliases in the module
-  for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
-       I != E; ++I) {
-    if (!ShouldCloneDefinition(&*I)) {
-      // An alias cannot act as an external reference, so we need to create
-      // either a function or a global variable depending on the value type.
-      // FIXME: Once pointee types are gone we can probably pick one or the
-      // other.
-      GlobalValue *GV;
-      if (I->getValueType()->isFunctionTy())
-        GV = Function::Create(cast<FunctionType>(I->getValueType()),
-                              GlobalValue::ExternalLinkage,
-                              I->getAddressSpace(), I->getName(), New.get());
-      else
-        GV = new GlobalVariable(
-            *New, I->getValueType(), false, GlobalValue::ExternalLinkage,
-            nullptr, I->getName(), nullptr,
-            I->getThreadLocalMode(), I->getType()->getAddressSpace());
-      VMap[&*I] = GV;
-      // We do not copy attributes (mainly because copying between different
-      // kinds of globals is forbidden), but this is generally not required for
-      // correctness.
-      continue;
-    }
-    auto *GA = GlobalAlias::create(I->getValueType(),
-                                   I->getType()->getPointerAddressSpace(),
-                                   I->getLinkage(), I->getName(), New.get());
-    GA->copyAttributesFrom(&*I);
-    VMap[&*I] = GA;
-  }
-
-  // Now that all of the things that global variable initializer can refer to
-  // have been created, loop through and copy the global variable referrers
-  // over...  We also set the attributes on the global now.
-  //
-  for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I) {
-    if (I->isDeclaration())
-      continue;
-
-    GlobalVariable *GV = cast<GlobalVariable>(VMap[&*I]);
-    if (!ShouldCloneDefinition(&*I)) {
-      // Skip after setting the correct linkage for an external reference.
-      GV->setLinkage(GlobalValue::ExternalLinkage);
-      continue;
-    }
-    if (I->hasInitializer())
-      GV->setInitializer(MapValue(I->getInitializer(), VMap));
-
-    SmallVector<std::pair<unsigned, MDNode *>, 1> MDs;
-    I->getAllMetadata(MDs);
-    for (auto MD : MDs)
-      GV->addMetadata(MD.first,
-                      *MapMetadata(MD.second, VMap, RF_MoveDistinctMDs));
-
-    copyComdat(GV, &*I);
-  }
-
-  // Similarly, copy over function bodies now...
-  //
-  for (const Function &I : M) {
-    if (I.isDeclaration())
-      continue;
-
-    Function *F = cast<Function>(VMap[&I]);
-    if (!ShouldCloneDefinition(&I)) {
-      // Skip after setting the correct linkage for an external reference.
-      F->setLinkage(GlobalValue::ExternalLinkage);
-      // Personality function is not valid on a declaration.
-      F->setPersonalityFn(nullptr);
-      continue;
-    }
-
-    Function::arg_iterator DestI = F->arg_begin();
-    for (Function::const_arg_iterator J = I.arg_begin(); J != I.arg_end();
-         ++J) {
-      DestI->setName(J->getName());
-      VMap[&*J] = &*DestI++;
-    }
-
-    SmallVector<ReturnInst *, 8> Returns; // Ignore returns cloned.
-    CloneFunctionInto(F, &I, VMap, /*ModuleLevelChanges=*/true, Returns);
-
-    if (I.hasPersonalityFn())
-      F->setPersonalityFn(MapValue(I.getPersonalityFn(), VMap));
-
-    copyComdat(F, &I);
-  }
-
-  // And aliases
-  for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
-       I != E; ++I) {
-    // We already dealt with undefined aliases above.
-    if (!ShouldCloneDefinition(&*I))
-      continue;
-    GlobalAlias *GA = cast<GlobalAlias>(VMap[&*I]);
-    if (const Constant *C = I->getAliasee())
-      GA->setAliasee(MapValue(C, VMap));
-  }
-
-  // And named metadata....
-  for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
-                                             E = M.named_metadata_end();
-       I != E; ++I) {
-    const NamedMDNode &NMD = *I;
-    NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
-    for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
-      NewNMD->addOperand(MapMetadata(NMD.getOperand(i), VMap));
-  }
-
-  return New;
-}
-
-extern "C" {
-
-LLVMModuleRef LLVMCloneModule(LLVMModuleRef M) {
-  return wrap(CloneModule(*unwrap(M)).release());
-}
-
-}