1*0b57cec5SDimitry Andric //===-- PPCMachineFunctionInfo.cpp - Private data used for PowerPC --------===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "PPCMachineFunctionInfo.h" 10*0b57cec5SDimitry Andric #include "llvm/ADT/Twine.h" 11*0b57cec5SDimitry Andric #include "llvm/IR/DataLayout.h" 12*0b57cec5SDimitry Andric #include "llvm/MC/MCContext.h" 13*0b57cec5SDimitry Andric 14*0b57cec5SDimitry Andric using namespace llvm; 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric void PPCFunctionInfo::anchor() {} 17*0b57cec5SDimitry Andric 18*0b57cec5SDimitry Andric MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const { 19*0b57cec5SDimitry Andric const DataLayout &DL = MF.getDataLayout(); 20*0b57cec5SDimitry Andric return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 21*0b57cec5SDimitry Andric Twine(MF.getFunctionNumber()) + 22*0b57cec5SDimitry Andric "$poff"); 23*0b57cec5SDimitry Andric } 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const { 26*0b57cec5SDimitry Andric const DataLayout &DL = MF.getDataLayout(); 27*0b57cec5SDimitry Andric return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 28*0b57cec5SDimitry Andric "func_gep" + 29*0b57cec5SDimitry Andric Twine(MF.getFunctionNumber())); 30*0b57cec5SDimitry Andric } 31*0b57cec5SDimitry Andric 32*0b57cec5SDimitry Andric MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const { 33*0b57cec5SDimitry Andric const DataLayout &DL = MF.getDataLayout(); 34*0b57cec5SDimitry Andric return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 35*0b57cec5SDimitry Andric "func_lep" + 36*0b57cec5SDimitry Andric Twine(MF.getFunctionNumber())); 37*0b57cec5SDimitry Andric } 38*0b57cec5SDimitry Andric 39*0b57cec5SDimitry Andric MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const { 40*0b57cec5SDimitry Andric const DataLayout &DL = MF.getDataLayout(); 41*0b57cec5SDimitry Andric return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) + 42*0b57cec5SDimitry Andric "func_toc" + 43*0b57cec5SDimitry Andric Twine(MF.getFunctionNumber())); 44*0b57cec5SDimitry Andric } 45*0b57cec5SDimitry Andric 46*0b57cec5SDimitry Andric bool PPCFunctionInfo::isLiveInSExt(unsigned VReg) const { 47*0b57cec5SDimitry Andric for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs) 48*0b57cec5SDimitry Andric if (LiveIn.first == VReg) 49*0b57cec5SDimitry Andric return LiveIn.second.isSExt(); 50*0b57cec5SDimitry Andric return false; 51*0b57cec5SDimitry Andric } 52*0b57cec5SDimitry Andric 53*0b57cec5SDimitry Andric bool PPCFunctionInfo::isLiveInZExt(unsigned VReg) const { 54*0b57cec5SDimitry Andric for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs) 55*0b57cec5SDimitry Andric if (LiveIn.first == VReg) 56*0b57cec5SDimitry Andric return LiveIn.second.isZExt(); 57*0b57cec5SDimitry Andric return false; 58*0b57cec5SDimitry Andric } 59