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/ADT/Twine.h" 12 #include "llvm/IR/DataLayout.h" 13 #include "llvm/MC/MCContext.h" 14 15 using namespace llvm; 16 17 void PPCFunctionInfo::anchor() {} 18 19 MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const { 20 const DataLayout &DL = MF.getDataLayout(); 21 return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 22 Twine(MF.getFunctionNumber()) + 23 "$poff"); 24 } 25 26 MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const { 27 const DataLayout &DL = MF.getDataLayout(); 28 return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 29 "func_gep" + 30 Twine(MF.getFunctionNumber())); 31 } 32 33 MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const { 34 const DataLayout &DL = MF.getDataLayout(); 35 return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 36 "func_lep" + 37 Twine(MF.getFunctionNumber())); 38 } 39 40 MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const { 41 const DataLayout &DL = MF.getDataLayout(); 42 return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 43 "func_toc" + 44 Twine(MF.getFunctionNumber())); 45 } 46 47 bool PPCFunctionInfo::isLiveInSExt(unsigned VReg) const { 48 for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs) 49 if (LiveIn.first == VReg) 50 return LiveIn.second.isSExt(); 51 return false; 52 } 53 54 bool PPCFunctionInfo::isLiveInZExt(unsigned VReg) const { 55 for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs) 56 if (LiveIn.first == VReg) 57 return LiveIn.second.isZExt(); 58 return false; 59 } 60
