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llvm-mirror/include/llvm/IR/Mangler.h
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

58 lines
2.1 KiB
C++

//===-- llvm/IR/Mangler.h - Self-contained name mangler ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Unified name mangler for various backends.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_MANGLER_H
#define LLVM_IR_MANGLER_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/IR/GlobalValue.h"
namespace llvm {
class DataLayout;
template <typename T> class SmallVectorImpl;
class Triple;
class Twine;
class raw_ostream;
class Mangler {
/// We need to give global values the same name every time they are mangled.
/// This keeps track of the number we give to anonymous ones.
mutable DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
public:
/// Print the appropriate prefix and the specified global variable's name.
/// If the global variable doesn't have a name, this fills in a unique name
/// for the global.
void getNameWithPrefix(raw_ostream &OS, const GlobalValue *GV,
bool CannotUsePrivateLabel) const;
void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
bool CannotUsePrivateLabel) const;
/// Print the appropriate prefix and the specified name as the global variable
/// name. GVName must not be empty.
static void getNameWithPrefix(raw_ostream &OS, const Twine &GVName,
const DataLayout &DL);
static void getNameWithPrefix(SmallVectorImpl<char> &OutName,
const Twine &GVName, const DataLayout &DL);
};
void emitLinkerFlagsForGlobalCOFF(raw_ostream &OS, const GlobalValue *GV,
const Triple &TT, Mangler &Mangler);
void emitLinkerFlagsForUsedCOFF(raw_ostream &OS, const GlobalValue *GV,
const Triple &T, Mangler &M);
} // End llvm namespace
#endif