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Move getSymbol to TargetLoweringObjectFile.

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This allows constructing a Mangler with just a TargetMachine.

llvm-svn: 193630
This commit is contained in:
Rafael Espindola 2013-10-29 17:28:26 +00:00
parent 2cb9a934ad
commit 3e081640d5
12 changed files with 35 additions and 39 deletions
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9
include/llvm/Target/Mangler.h
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@ -20,7 +20,6 @@ namespace llvm {
class GlobalValue;
class MCContext;
class MCSymbol;
template <typename T> class SmallVectorImpl;
class TargetMachine;
class Twine;
@ -34,7 +33,6 @@ public:
};
private:
MCContext &Context;
const TargetMachine *TM;
/// AnonGlobalIDs - We need to give global values the same name every time
@ -48,12 +46,7 @@ private:
unsigned NextAnonGlobalID;
public:
Mangler(MCContext &Context, const TargetMachine *TM)
: Context(Context), TM(TM), NextAnonGlobalID(1) {}
/// getSymbol - Return the MCSymbol for the specified global value. This
/// symbol is the main label that is the address of the global.
MCSymbol *getSymbol(const GlobalValue *GV);
Mangler(const TargetMachine *TM) : TM(TM), NextAnonGlobalID(1) {}
/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
/// and the specified global variable's name. If the global variable doesn't

4
include/llvm/Target/TargetLoweringObjectFile.h
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@ -117,6 +117,10 @@ public:
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const;
/// Return the MCSymbol for the specified global value. This symbol is the
/// main label that is the address of the global
MCSymbol *getSymbol(Mangler &M, const GlobalValue *GV) const;
// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
virtual MCSymbol *
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,

4
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -164,7 +164,7 @@ bool AsmPrinter::doInitialization(Module &M) {
OutStreamer.InitStreamer();
Mang = new Mangler(OutContext, &TM);
Mang = new Mangler(&TM);
// Allow the target to emit any magic that it wants at the start of the file.
EmitStartOfAsmFile(M);
@ -264,7 +264,7 @@ void AsmPrinter::EmitLinkage(unsigned L, MCSymbol *GVSym) const {
}
MCSymbol *AsmPrinter::getSymbol(const GlobalValue *GV) const {
return Mang->getSymbol(GV);
return getObjFileLowering().getSymbol(*Mang, GV);
}
/// EmitGlobalVariable - Emit the specified global variable to the .s file.

14
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -52,10 +52,10 @@ TargetLoweringObjectFileELF::getCFIPersonalitySymbol(const GlobalValue *GV,
default:
report_fatal_error("We do not support this DWARF encoding yet!");
case dwarf::DW_EH_PE_absptr:
return Mang->getSymbol(GV);
return getSymbol(*Mang, GV);
case dwarf::DW_EH_PE_pcrel: {
return getContext().GetOrCreateSymbol(StringRef("DW.ref.") +
Mang->getSymbol(GV)->getName());
getSymbol(*Mang, GV)->getName());
}
}
}
@ -104,7 +104,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
MCSymbol *SSym = getContext().GetOrCreateSymbol(Name.str());
MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = Mang->getSymbol(GV);
MCSymbol *Sym = getSymbol(*Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@ -252,7 +252,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Prefix = getSectionPrefixForGlobal(Kind);
SmallString<128> Name(Prefix, Prefix+strlen(Prefix));
MCSymbol *Sym = Mang->getSymbol(GV);
MCSymbol *Sym = getSymbol(*Mang, GV);
Name.append(Sym->getName().begin(), Sym->getName().end());
StringRef Group = "";
unsigned Flags = getELFSectionFlags(Kind);
@ -613,7 +613,7 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
// FIXME: ObjC metadata is currently emitted as internal symbols that have
// \1L and \0l prefixes on them. Fix them to be Private/LinkerPrivate and
// this horrible hack can go away.
MCSymbol *Sym = Mang->getSymbol(GV);
MCSymbol *Sym = getSymbol(*Mang, GV);
if (Sym->getName()[0] == 'L' || Sym->getName()[0] == 'l')
return false;
}
@ -642,7 +642,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
GV->hasHiddenVisibility() ? MachOMMI.getHiddenGVStubEntry(SSym) :
MachOMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = Mang->getSymbol(GV);
MCSymbol *Sym = getSymbol(*Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@ -671,7 +671,7 @@ getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
MCSymbol *SSym = getContext().GetOrCreateSymbol(Name.str());
MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = Mang->getSymbol(GV);
MCSymbol *Sym = getSymbol(*Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}

4
lib/LTO/LTOCodeGenerator.cpp
View File

@ -350,9 +350,7 @@ void LTOCodeGenerator::applyScopeRestrictions() {
passes.add(createVerifierPass());
// mark which symbols can not be internalized
MCContext MContext(TargetMach->getMCAsmInfo(), TargetMach->getRegisterInfo(),
NULL);
Mangler Mangler(MContext, TargetMach);
Mangler Mangler(TargetMach);
std::vector<const char*> MustPreserveList;
std::vector<const char*> DSOList;
SmallPtrSet<GlobalValue*, 8> AsmUsed;

2
lib/LTO/LTOModule.cpp
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@ -43,7 +43,7 @@ using namespace llvm;
LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t)
: _module(m), _target(t),
_context(_target->getMCAsmInfo(), _target->getRegisterInfo(), NULL),
_mangler(_context, t) {}
_mangler(t) {}
/// isBitcodeFile - Returns 'true' if the file (or memory contents) is LLVM
/// bitcode.

2
lib/Target/ARM/ARMTargetObjectFile.cpp
View File

@ -47,7 +47,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
MCStreamer &Streamer) const {
assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
return MCSymbolRefExpr::Create(Mang->getSymbol(GV),
return MCSymbolRefExpr::Create(getSymbol(*Mang, GV),
MCSymbolRefExpr::VK_ARM_TARGET2,
getContext());
}

14
lib/Target/Mangler.cpp
View File

@ -111,7 +111,7 @@ void Mangler::getNameWithPrefix(SmallVectorImpl<char> &OutName,
StringRef Name = GVName.toStringRef(TmpData);
assert(!Name.empty() && "getNameWithPrefix requires non-empty name");
const MCAsmInfo *MAI = Context.getAsmInfo();
const MCAsmInfo *MAI = TM->getMCAsmInfo();
// If the global name is not led with \1, add the appropriate prefixes.
if (Name[0] == '\1') {
@ -212,7 +212,7 @@ void Mangler::getNameWithPrefix(SmallVectorImpl<char> &OutName,
// If we are supposed to add a microsoft-style suffix for stdcall/fastcall,
// add it.
if (Context.getAsmInfo()->hasMicrosoftFastStdCallMangling()) {
if (TM->getMCAsmInfo()->hasMicrosoftFastStdCallMangling()) {
if (const Function *F = dyn_cast<Function>(GV)) {
CallingConv::ID CC = F->getCallingConv();
@ -236,13 +236,3 @@ void Mangler::getNameWithPrefix(SmallVectorImpl<char> &OutName,
}
}
}
/// getSymbol - Return the MCSymbol for the specified global value. This
/// symbol is the main label that is the address of the global.
MCSymbol *Mangler::getSymbol(const GlobalValue *GV) {
SmallString<60> NameStr;
getNameWithPrefix(NameStr, GV, false);
return Context.GetOrCreateSymbol(NameStr.str());
}

2
lib/Target/NVPTX/NVPTXAsmPrinter.cpp
View File

@ -887,7 +887,7 @@ bool NVPTXAsmPrinter::doInitialization(Module &M) {
const_cast<TargetLoweringObjectFile &>(getObjFileLowering())
.Initialize(OutContext, TM);
Mang = new Mangler(OutContext, &TM);
Mang = new Mangler(&TM);
// Emit header before any dwarf directives are emitted below.
emitHeader(M, OS1);

1
lib/Target/NVPTX/NVPTXTargetObjectFile.h
View File

@ -68,6 +68,7 @@ public:
}
virtual void Initialize(MCContext &ctx, const TargetMachine &TM) {
TargetLoweringObjectFile::Initialize(ctx, TM);
TextSection = new NVPTXSection(MCSection::SV_ELF, SectionKind::getText());
DataSection =
new NVPTXSection(MCSection::SV_ELF, SectionKind::getDataRel());

14
lib/Target/TargetLoweringObjectFile.cpp
View File

@ -97,10 +97,20 @@ static bool IsNullTerminatedString(const Constant *C) {
return false;
}
/// Return the MCSymbol for the specified global value. This
/// symbol is the main label that is the address of the global.
MCSymbol *TargetLoweringObjectFile::getSymbol(Mangler &M,
const GlobalValue *GV) const {
SmallString<60> NameStr;
M.getNameWithPrefix(NameStr, GV, false);
return Ctx->GetOrCreateSymbol(NameStr.str());
}
MCSymbol *TargetLoweringObjectFile::
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI) const {
return Mang->getSymbol(GV);
return getSymbol(*Mang, GV);
}
void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer,
@ -293,7 +303,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const {
const MCSymbolRefExpr *Ref =
MCSymbolRefExpr::Create(Mang->getSymbol(GV), getContext());
MCSymbolRefExpr::Create(getSymbol(*Mang, GV), getContext());
return getTTypeReference(Ref, Encoding, Streamer);
}

4
lib/Target/X86/X86TargetObjectFile.cpp
View File

@ -25,7 +25,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
// On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
// is an indirect pc-relative reference.
if (Encoding & (DW_EH_PE_indirect | DW_EH_PE_pcrel)) {
const MCSymbol *Sym = Mang->getSymbol(GV);
const MCSymbol *Sym = getSymbol(*Mang, GV);
const MCExpr *Res =
MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_GOTPCREL, getContext());
const MCExpr *Four = MCConstantExpr::Create(4, getContext());
@ -39,7 +39,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
MCSymbol *X86_64MachoTargetObjectFile::
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI) const {
return Mang->getSymbol(GV);
return getSymbol(*Mang, GV);
}
void