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//===- llvm/CodeGen/MachineModuleInfoImpls.cpp ----------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements object-file format specific implementations of
// MachineModuleInfoImpl.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/MC/MCSymbol.h"

using namespace llvm;

//===----------------------------------------------------------------------===//
// MachineModuleInfoMachO
//===----------------------------------------------------------------------===//

// Out of line virtual method.
void MachineModuleInfoMachO::anchor() {}
void MachineModuleInfoELF::anchor() {}
void MachineModuleInfoCOFF::anchor() {}

using PairTy = std::pair<MCSymbol *, MachineModuleInfoImpl::StubValueTy>;
static int SortSymbolPair(const PairTy *LHS, const PairTy *RHS) {
  return LHS->first->getName().compare(RHS->first->getName());
}

MachineModuleInfoImpl::SymbolListTy MachineModuleInfoImpl::getSortedStubs(
    DenseMap<MCSymbol *, MachineModuleInfoImpl::StubValueTy> &Map) {
  MachineModuleInfoImpl::SymbolListTy List(Map.begin(), Map.end());

  array_pod_sort(List.begin(), List.end(), SortSymbolPair);

  Map.clear();
  return List;
}