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fac7a9e644
getSymbolWithGlobalValueBase use is to create a name of a new symbol based on the name of an existing GV. Assert that and then remove the last call to pass true to isImplicitlyPrivate. This gives the mangler API a 1:1 mapping from GV to names, which is what we need to drop the mangler dependency on the target (and use an extended datalayout instead). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196472 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===-- llvm/Target/Mangler.h - Self-contained name mangler -----*- 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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// Unified name mangler for various backends.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_MANGLER_H
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#define LLVM_TARGET_MANGLER_H
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#include "llvm/ADT/DenseMap.h"
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namespace llvm {
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class GlobalValue;
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class MCContext;
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template <typename T> class SmallVectorImpl;
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class TargetMachine;
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class Twine;
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class Mangler {
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public:
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enum ManglerPrefixTy {
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Default, ///< Emit default string before each symbol.
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Private, ///< Emit "private" prefix before each symbol.
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LinkerPrivate ///< Emit "linker private" prefix before each symbol.
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};
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private:
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const TargetMachine *TM;
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/// AnonGlobalIDs - We need to give global values the same name every time
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/// they are mangled. This keeps track of the number we give to anonymous
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/// ones.
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///
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DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
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/// NextAnonGlobalID - This simple counter is used to unique value names.
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///
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unsigned NextAnonGlobalID;
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public:
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Mangler(const TargetMachine *TM) : TM(TM), NextAnonGlobalID(1) {}
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/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
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/// and the specified global variable's name. If the global variable doesn't
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/// have a name, this fills in a unique name for the global.
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV);
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/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
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/// and the specified name as the global variable name. GVName must not be
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/// empty.
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
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ManglerPrefixTy PrefixTy = Mangler::Default);
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};
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} // End llvm namespace
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#endif // LLVM_TARGET_MANGLER_H
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