llvm/llvm/lib/Transforms/Utils/CloneModule.cpp

//===- 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/DerivedTypes.h"
#include "llvm/IR/Module.h"
#include "llvm/Transforms/Utils/Cloning.h"
#include "llvm/Transforms/Utils/ValueMapper.h"
usingnamespacellvm;

namespace llvm {
class Constant;
}

static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) { … }

/// 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.
///
/// Cloning un-materialized modules is not currently supported, so any
/// modules initialized via lazy loading should be materialized before cloning
std::unique_ptr<Module> llvm::CloneModule(const Module &M) { … }

std::unique_ptr<Module> llvm::CloneModule(const Module &M,
                                          ValueToValueMapTy &VMap) { … }

std::unique_ptr<Module> llvm::CloneModule(
    const Module &M, ValueToValueMapTy &VMap,
    function_ref<bool(const GlobalValue *)> ShouldCloneDefinition) { … }

extern "C" {

LLVMModuleRef LLVMCloneModule(LLVMModuleRef M) { … }

}