2009-06-30 00:48:55 +00:00
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//===-- 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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2009-06-30 17:06:46 +00:00
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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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2009-06-30 00:48:55 +00:00
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#ifndef LLVM_LLVMCONTEXT_H
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#define LLVM_LLVMCONTEXT_H
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#include "llvm/Support/DataTypes.h"
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#include <vector>
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#include <string>
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namespace llvm {
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2009-08-04 22:41:48 +00:00
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struct LLVMContextImpl;
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2009-06-30 00:48:55 +00:00
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2009-06-30 17:06:46 +00:00
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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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2009-08-04 20:25:11 +00:00
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struct LLVMContext {
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2009-06-30 00:48:55 +00:00
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LLVMContextImpl* pImpl;
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2009-07-24 23:12:02 +00:00
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2009-06-30 00:48:55 +00:00
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LLVMContext();
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~LLVMContext();
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};
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2009-06-30 23:39:59 +00:00
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/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
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2009-07-01 23:13:44 +00:00
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extern LLVMContext& getGlobalContext();
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2009-06-30 23:39:59 +00:00
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2009-06-30 00:48:55 +00:00
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}
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#endif
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