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-rw-r--r--contrib/llvm/include/llvm/LLVMContext.h113
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diff --git a/contrib/llvm/include/llvm/LLVMContext.h b/contrib/llvm/include/llvm/LLVMContext.h
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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
-
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-class LLVMContextImpl;
-class StringRef;
-class Twine;
-class Instruction;
-class Module;
-class SMDiagnostic;
-template <typename T> class SmallVectorImpl;
-
-/// 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 {
-public:
- LLVMContextImpl *const pImpl;
- LLVMContext();
- ~LLVMContext();
-
- // Pinned metadata names, which always have the same value. This is a
- // compile-time performance optimization, not a correctness optimization.
- enum {
- MD_dbg = 0, // "dbg"
- MD_tbaa = 1, // "tbaa"
- MD_prof = 2, // "prof"
- MD_fpmath = 3, // "fpmath"
- MD_range = 4, // "range"
- MD_tbaa_struct = 5 // "tbaa.struct"
- };
-
- /// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
- /// This ID is uniqued across modules in the current LLVMContext.
- unsigned getMDKindID(StringRef Name) const;
-
- /// getMDKindNames - Populate client supplied SmallVector with the name for
- /// custom metadata IDs registered in this LLVMContext.
- void getMDKindNames(SmallVectorImpl<StringRef> &Result) const;
-
-
- typedef void (*InlineAsmDiagHandlerTy)(const SMDiagnostic&, void *Context,
- unsigned LocCookie);
-
- /// setInlineAsmDiagnosticHandler - This method sets a handler that is invoked
- /// when problems with inline asm are detected by the backend. The first
- /// argument is a function pointer and the second is a context pointer that
- /// gets passed into the DiagHandler.
- ///
- /// LLVMContext doesn't take ownership or interpret either of these
- /// pointers.
- void setInlineAsmDiagnosticHandler(InlineAsmDiagHandlerTy DiagHandler,
- void *DiagContext = 0);
-
- /// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
- /// setInlineAsmDiagnosticHandler.
- InlineAsmDiagHandlerTy getInlineAsmDiagnosticHandler() const;
-
- /// getInlineAsmDiagnosticContext - Return the diagnostic context set by
- /// setInlineAsmDiagnosticHandler.
- void *getInlineAsmDiagnosticContext() const;
-
-
- /// emitError - Emit an error message to the currently installed error handler
- /// with optional location information. This function returns, so code should
- /// be prepared to drop the erroneous construct on the floor and "not crash".
- /// The generated code need not be correct. The error message will be
- /// implicitly prefixed with "error: " and should not end with a ".".
- void emitError(unsigned LocCookie, const Twine &ErrorStr);
- void emitError(const Instruction *I, const Twine &ErrorStr);
- void emitError(const Twine &ErrorStr);
-
-private:
- LLVMContext(LLVMContext&) LLVM_DELETED_FUNCTION;
- void operator=(LLVMContext&) LLVM_DELETED_FUNCTION;
-
- /// addModule - Register a module as being instantiated in this context. If
- /// the context is deleted, the module will be deleted as well.
- void addModule(Module*);
-
- /// removeModule - Unregister a module from this context.
- void removeModule(Module*);
-
- // Module needs access to the add/removeModule methods.
- friend class Module;
-};
-
-/// getGlobalContext - Returns a global context. This is for LLVM clients that
-/// only care about operating on a single thread.
-extern LLVMContext &getGlobalContext();
-
-}
-
-#endif