MachineModuleInfoImpls.cpp revision d269a6e460a71a6c5c361a26c56c91fdb9486f45 
1//===-- llvm/CodeGen/MachineModuleInfoImpls.cpp ---------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements object-file format specific implementations of
11// MachineModuleInfoImpl.
12//
13//===----------------------------------------------------------------------===//
14
15#include "llvm/CodeGen/MachineModuleInfoImpls.h"
16#include "llvm/MC/MCSymbol.h"
17using namespace llvm;
18
19//===----------------------------------------------------------------------===//
20// MachineModuleInfoMachO
21//===----------------------------------------------------------------------===//
22
23// Out of line virtual method.
24void MachineModuleInfoMachO::Anchor() {}
25
26
27static int SortSymbolPair(const void *LHS, const void *RHS) {
28  const MCSymbol *LHSS =
29    ((const std::pair<MCSymbol*, MCSymbol*>*)LHS)->first;
30  const MCSymbol *RHSS =
31    ((const std::pair<MCSymbol*, MCSymbol*>*)RHS)->first;
32  return LHSS->getName().compare(RHSS->getName());
33}
34
35/// GetSortedStubs - Return the entries from a DenseMap in a deterministic
36/// sorted orer.
37MachineModuleInfoMachO::SymbolListTy
38MachineModuleInfoMachO::GetSortedStubs(const DenseMap<MCSymbol*,
39                                                      MCSymbol*> &Map) {
40  MachineModuleInfoMachO::SymbolListTy List(Map.begin(), Map.end());
41  if (!List.empty())
42    qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
43  return List;
44}
45
46