contrib/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp

   1 //===-- PPCMachineFunctionInfo.cpp - Private data used for PowerPC --------===//
   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 #include "PPCMachineFunctionInfo.h"
  11 #include "llvm/IR/DataLayout.h"
  12 #include "llvm/MC/MCContext.h"
  13 #include "llvm/Target/TargetMachine.h"
  14 #include "llvm/Target/TargetSubtargetInfo.h"
  15
  16 using namespace llvm;
  17
  18 void PPCFunctionInfo::anchor() { }
  19
  20 MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const {
  21   const DataLayout &DL = MF.getDataLayout();
  22   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
  23                                            Twine(MF.getFunctionNumber()) +
  24                                            "$poff");
  25 }
  26
  27 MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const {
  28   const DataLayout &DL = MF.getDataLayout();
  29   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
  30                                            "func_gep" +
  31                                            Twine(MF.getFunctionNumber()));
  32 }
  33
  34 MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const {
  35   const DataLayout &DL = MF.getDataLayout();
  36   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
  37                                            "func_lep" +
  38                                            Twine(MF.getFunctionNumber()));
  39 }
  40
  41 MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const {
  42   const DataLayout &DL = MF.getDataLayout();
  43   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
  44                                            "func_toc" +
  45                                            Twine(MF.getFunctionNumber()));
  46 }