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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/MetaDataApi/MetaDataApi.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include "common/LLVMWarningsPop.hpp"
#include "common/MDFrameWork.h"
namespace IGC
{
// This pass provides access to the metadata api.
//
// To use this from within another pass:
// 1. Add MetaDataUtilsWrapper to the analysis usage of the pass:
// virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {AU.addRequired<MetaDataUtilsWrapper>();}
// 2. Add MetaDataUtilsWrapper as a dependency of the pass:
// IGC_INITIALIZE_PASS_DEPENDENCY(MetaDataUtilsWrapper)
// 3. Use getAnalysis on MetaDataUtilsWrapper:
// MetaDataUtilsWrapper &mduw = getAnalysis<MetaDataUtilsWrapper>();
// 4. Get the MetaDataUtils:
// MetaDataUtils *mdUtils = mduw.getMetaDataUtils();
class MetaDataUtilsWrapper : public llvm::ImmutablePass
{
public:
static char ID;
// Constructs a wrapper to an uninitialized MetaDataUtils instance.
// To complete initialization, a module must be passed to MetaDataUtils by
// calling getMetaDataUtils()->setModule(), or by making sure that
// MetaDataUtilsWrapperInitializer pass runs before using the MetaDataUtils.
//
// MetaDataUtilsWrapper will be the owner of the MetaDataUtils, and will be
// responsible for freeing the allocated memory.
MetaDataUtilsWrapper();
// Constructs a wrapper to the given MetaDataUtils instance.
//
// MetaDataUtilsWrapper will NOT be the owner of the MetaDataUtils.
MetaDataUtilsWrapper(IGCMD::MetaDataUtils* pMdUtils, ModuleMetaData* moduleMD = nullptr);
~MetaDataUtilsWrapper();
IGCMD::MetaDataUtils* getMetaDataUtils();
ModuleMetaData* getModuleMetaData();
virtual llvm::StringRef getPassName() const override
{
return "MetaData Utils Wrapper";
}
private:
IGCMD::MetaDataUtils* m_pMdUtils;
IGC::ModuleMetaData* modMD;
bool m_isUtilsOwner;
};
} // namespace IGC
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