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//===- GVMaterializer.h - Interface for GV materializers --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides an abstract interface for loading a module from some
// place. This interface allows incremental or random access loading of
// functions from the file. This is useful for applications like JIT compilers
// or interprocedural optimizers that do not need the entire program in memory
// at the same time.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_GVMATERIALIZER_H
#define LLVM_IR_GVMATERIALIZER_H
#include "llvm/ADT/DenseMap.h"
#include <system_error>
#include <vector>
namespace llvm {
class Function;
class GlobalValue;
class Metadata;
class Module;
class StructType;
class GVMaterializer {
protected:
GVMaterializer() {}
public:
virtual ~GVMaterializer();
/// Make sure the given GlobalValue is fully read.
///
virtual std::error_code materialize(GlobalValue *GV) = 0;
/// Make sure the entire Module has been completely read.
///
virtual std::error_code materializeModule() = 0;
virtual std::error_code materializeMetadata() = 0;
virtual void setStripDebugInfo() = 0;
/// Client should define this interface if the mapping between metadata
/// values and value ids needs to be preserved, e.g. across materializer
/// instantiations. If OnlyTempMD is true, only those that have remained
/// temporary metadata are recorded in the map.
virtual void
saveMetadataList(DenseMap<const Metadata *, unsigned> &MetadataToIDs,
bool OnlyTempMD) {}
virtual std::vector<StructType *> getIdentifiedStructTypes() const = 0;
};
} // End llvm namespace
#endif
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