llvm/llvm/lib/Transforms/IPO/ExtractGV.cpp

//===-- ExtractGV.cpp - Global Value extraction pass ----------------------===//
//
// 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 pass extracts global values
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/IPO/ExtractGV.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include <algorithm>

usingnamespacellvm;

/// Make sure GV is visible from both modules. Delete is true if it is
/// being deleted from this module.
/// This also makes sure GV cannot be dropped so that references from
/// the split module remain valid.
static void makeVisible(GlobalValue &GV, bool Delete) { … }

/// If deleteS is true, this pass deletes the specified global values.
/// Otherwise, it deletes as much of the module as possible, except for the
/// global values specified.
ExtractGVPass::ExtractGVPass(std::vector<GlobalValue *> &GVs, bool deleteS,
                             bool keepConstInit)
    : … { … }

PreservedAnalyses ExtractGVPass::run(Module &M, ModuleAnalysisManager &) { … }