forked from OSchip/llvm-project
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
//===-- PPCMachineFunctionInfo.cpp - Private data used for PowerPC --------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "PPCMachineFunctionInfo.h"
|
|
#include "llvm/ADT/Twine.h"
|
|
#include "llvm/IR/DataLayout.h"
|
|
#include "llvm/MC/MCContext.h"
|
|
|
|
using namespace llvm;
|
|
|
|
void PPCFunctionInfo::anchor() {}
|
|
|
|
MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const {
|
|
const DataLayout &DL = MF.getDataLayout();
|
|
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
|
|
Twine(MF.getFunctionNumber()) +
|
|
"$poff");
|
|
}
|
|
|
|
MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const {
|
|
const DataLayout &DL = MF.getDataLayout();
|
|
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
|
|
"func_gep" +
|
|
Twine(MF.getFunctionNumber()));
|
|
}
|
|
|
|
MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const {
|
|
const DataLayout &DL = MF.getDataLayout();
|
|
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
|
|
"func_lep" +
|
|
Twine(MF.getFunctionNumber()));
|
|
}
|
|
|
|
MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const {
|
|
const DataLayout &DL = MF.getDataLayout();
|
|
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
|
|
"func_toc" +
|
|
Twine(MF.getFunctionNumber()));
|
|
}
|
|
|
|
bool PPCFunctionInfo::isLiveInSExt(unsigned VReg) const {
|
|
for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs)
|
|
if (LiveIn.first == VReg)
|
|
return LiveIn.second.isSExt();
|
|
return false;
|
|
}
|
|
|
|
bool PPCFunctionInfo::isLiveInZExt(unsigned VReg) const {
|
|
for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs)
|
|
if (LiveIn.first == VReg)
|
|
return LiveIn.second.isZExt();
|
|
return false;
|
|
}
|