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This interface will be used to attach metadata with an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82060 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
//===-- llvm/LLVMContext.h - Class for managing "global" state --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares LLVMContext, a container of "global" state in LLVM, such
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// as the global type and constant uniquing tables.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LLVMCONTEXT_H
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#define LLVM_LLVMCONTEXT_H
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namespace llvm {
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class LLVMContextImpl;
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class Metadata;
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/// This is an important class for using LLVM in a threaded context. It
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/// (opaquely) owns and manages the core "global" data of LLVM's core
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/// infrastructure, including the type and constant uniquing tables.
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/// LLVMContext itself provides no locking guarantees, so you should be careful
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/// to have one context per thread.
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class LLVMContext {
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// DO NOT IMPLEMENT
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LLVMContext(LLVMContext&);
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void operator=(LLVMContext&);
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public:
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LLVMContextImpl* pImpl;
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Metadata &getMetadata();
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bool RemoveDeadMetadata();
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LLVMContext();
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~LLVMContext();
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};
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/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
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extern LLVMContext& getGlobalContext();
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}
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#endif
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