llvm/lib/CodeGen/MachineModuleInfoImpls.cpp

   1 //===- llvm/CodeGen/MachineModuleInfoImpls.cpp ----------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements object-file format specific implementations of
  10 // MachineModuleInfoImpl.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
  15 #include "llvm/ADT/DenseMap.h"
  16 #include "llvm/MC/MCSymbol.h"
  17
  18 using namespace llvm;
  19
  20 //===----------------------------------------------------------------------===//
  21 // MachineModuleInfoMachO
  22 //===----------------------------------------------------------------------===//
  23
  24 // Out of line virtual method.
  25 void MachineModuleInfoMachO::anchor() {}
  26 void MachineModuleInfoELF::anchor() {}
  27 void MachineModuleInfoCOFF::anchor() {}
  28 void MachineModuleInfoWasm::anchor() {}
  29
  30 using PairTy = std::pair<MCSymbol *, MachineModuleInfoImpl::StubValueTy>;
  31 static int SortSymbolPair(const PairTy *LHS, const PairTy *RHS) {
  32   return LHS->first->getName().compare(RHS->first->getName());
  33 }
  34
  35 MachineModuleInfoImpl::SymbolListTy MachineModuleInfoImpl::getSortedStubs(
  36     DenseMap<MCSymbol *, MachineModuleInfoImpl::StubValueTy> &Map) {
  37   MachineModuleInfoImpl::SymbolListTy List(Map.begin(), Map.end());
  38
  39   array_pod_sort(List.begin(), List.end(), SortSymbolPair);
  40
  41   Map.clear();
  42   return List;
  43 }