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//===-- llvm/LLVMContext.h - Class for managing "global" state --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares LLVMContext, a container of "global" state in LLVM, such
// as the global type and constant uniquing tables.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LLVMCONTEXT_H
#define LLVM_LLVMCONTEXT_H
namespace llvm {
class LLVMContextImpl;
class MetadataContext;
/// This is an important class for using LLVM in a threaded context. It
/// (opaquely) owns and manages the core "global" data of LLVM's core
/// infrastructure, including the type and constant uniquing tables.
/// LLVMContext itself provides no locking guarantees, so you should be careful
/// to have one context per thread.
class LLVMContext {
// DO NOT IMPLEMENT
LLVMContext(LLVMContext&);
void operator=(LLVMContext&);
public:
LLVMContextImpl* const pImpl;
MetadataContext &getMetadata();
LLVMContext();
~LLVMContext();
};
/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
extern LLVMContext& getGlobalContext();
}
#endif
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