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make MachineModuleInfoMachO hold non-const MCSymbol*'s instead

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of const ones.  non-const ones aren't very useful, because you can't
even, say, emit them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95205 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-03 06:18:30 +00:00
parent 5669e30097
commit d269a6e460
7 changed files with 32 additions and 34 deletions
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17
include/llvm/CodeGen/MachineModuleInfoImpls.h
View File

@ -25,39 +25,38 @@ namespace llvm {
class MachineModuleInfoMachO : public MachineModuleInfoImpl {
/// FnStubs - Darwin '$stub' stubs. The key is something like "Lfoo$stub",
/// the value is something like "_foo".
DenseMap<const MCSymbol*, const MCSymbol*> FnStubs;
DenseMap<MCSymbol*, MCSymbol*> FnStubs;
/// GVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like
/// "Lfoo$non_lazy_ptr", the value is something like "_foo".
DenseMap<const MCSymbol*, const MCSymbol*> GVStubs;
DenseMap<MCSymbol*, MCSymbol*> GVStubs;
/// HiddenGVStubs - Darwin '$non_lazy_ptr' stubs. The key is something like
/// "Lfoo$non_lazy_ptr", the value is something like "_foo". Unlike GVStubs
/// these are for things with hidden visibility.
DenseMap<const MCSymbol*, const MCSymbol*> HiddenGVStubs;
DenseMap<MCSymbol*, MCSymbol*> HiddenGVStubs;
virtual void Anchor(); // Out of line virtual method.
public:
MachineModuleInfoMachO(const MachineModuleInfo &) {}
const MCSymbol *&getFnStubEntry(const MCSymbol *Sym) {
MCSymbol *&getFnStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return FnStubs[Sym];
}
const MCSymbol *&getGVStubEntry(const MCSymbol *Sym) {
MCSymbol *&getGVStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return GVStubs[Sym];
}
const MCSymbol *&getHiddenGVStubEntry(const MCSymbol *Sym) {
MCSymbol *&getHiddenGVStubEntry(MCSymbol *Sym) {
assert(Sym && "Key cannot be null");
return HiddenGVStubs[Sym];
}
/// Accessor methods to return the set of stubs in sorted order.
typedef std::vector<std::pair<const MCSymbol*, const MCSymbol*> >
SymbolListTy;
typedef std::vector<std::pair<MCSymbol*, MCSymbol*> > SymbolListTy;
SymbolListTy GetFnStubList() const {
return GetSortedStubs(FnStubs);
@ -71,7 +70,7 @@ namespace llvm {
private:
static SymbolListTy
GetSortedStubs(const DenseMap<const MCSymbol*, const MCSymbol*> &Map);
GetSortedStubs(const DenseMap<MCSymbol*, MCSymbol*> &Map);
};
} // end namespace llvm

8
lib/CodeGen/MachineModuleInfoImpls.cpp
View File

@ -26,17 +26,17 @@ void MachineModuleInfoMachO::Anchor() {}
static int SortSymbolPair(const void *LHS, const void *RHS) {
const MCSymbol *LHSS =
((const std::pair<const MCSymbol*, const MCSymbol*>*)LHS)->first;
((const std::pair<MCSymbol*, MCSymbol*>*)LHS)->first;
const MCSymbol *RHSS =
((const std::pair<const MCSymbol*, const MCSymbol*>*)RHS)->first;
((const std::pair<MCSymbol*, MCSymbol*>*)RHS)->first;
return LHSS->getName().compare(RHSS->getName());
}
/// GetSortedStubs - Return the entries from a DenseMap in a deterministic
/// sorted orer.
MachineModuleInfoMachO::SymbolListTy
MachineModuleInfoMachO::GetSortedStubs(const DenseMap<const MCSymbol*,
const MCSymbol*> &Map) {
MachineModuleInfoMachO::GetSortedStubs(const DenseMap<MCSymbol*,
MCSymbol*> &Map) {
MachineModuleInfoMachO::SymbolListTy List(Map.begin(), Map.end());
if (!List.empty())
qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);

2
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
View File

@ -200,7 +200,7 @@ namespace {
MachineModuleInfoMachO &MMIMachO =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(Sym) :
MMIMachO.getGVStubEntry(Sym);
if (StubSym == 0)

19
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
View File

@ -198,7 +198,7 @@ namespace {
if (GV->isDeclaration() || GV->isWeakForLinker()) {
// Dynamically-resolved functions need a stub for the function.
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$stub");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
@ -211,8 +211,8 @@ namespace {
TempNameStr += StringRef(MO.getSymbolName());
TempNameStr += StringRef("$stub");
const MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
const MCSymbol *&StubSym =
MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = GetExternalSymbolSymbol(MO.getSymbolName());
@ -401,10 +401,10 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
return;
}
const MCSymbol *NLPSym =
MCSymbol *NLPSym =
OutContext.GetOrCreateSymbol(StringRef(MAI->getGlobalPrefix())+
MO.getSymbolName()+"$non_lazy_ptr");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(NLPSym);
if (StubSym == 0)
StubSym = GetExternalSymbolSymbol(MO.getSymbolName());
@ -422,7 +422,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
(GV->isDeclaration() || GV->isWeakForLinker())) {
if (!GV->hasHiddenVisibility()) {
SymToPrint = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(SymToPrint);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
@ -430,7 +430,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
GV->hasAvailableExternallyLinkage()) {
SymToPrint = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().
getHiddenGVStubEntry(SymToPrint);
if (StubSym == 0)
@ -780,9 +780,8 @@ bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
for (std::vector<Function *>::const_iterator I = Personalities.begin(),
E = Personalities.end(); I != E; ++I) {
if (*I) {
const MCSymbol *NLPSym =
GetSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
const MCSymbol *&StubSym = MMIMacho.getGVStubEntry(NLPSym);
MCSymbol *NLPSym = GetSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
MCSymbol *&StubSym = MMIMacho.getGVStubEntry(NLPSym);
StubSym = GetGlobalValueSymbol(*I);
}
}

10
lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
View File

@ -132,20 +132,20 @@ void X86AsmPrinter::printSymbolOperand(const MachineOperand &MO) {
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE) {
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(Sym);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
} else if (MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE){
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getHiddenGVStubEntry(Sym);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
} else if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) {
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$stub");
const MCSymbol *&StubSym =
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
@ -167,8 +167,8 @@ void X86AsmPrinter::printSymbolOperand(const MachineOperand &MO) {
TempNameStr += StringRef(MO.getSymbolName());
TempNameStr += StringRef("$stub");
const MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
const MCSymbol *&StubSym =
MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0) {
TempNameStr.erase(TempNameStr.end()-5, TempNameStr.end());

8
lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
View File

@ -82,7 +82,7 @@ GetGlobalAddressSymbol(const MachineOperand &MO) const {
Name += "$non_lazy_ptr";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
const MCSymbol *&StubSym = getMachOMMI().getGVStubEntry(Sym);
MCSymbol *&StubSym = getMachOMMI().getGVStubEntry(Sym);
if (StubSym == 0)
StubSym = AsmPrinter.GetGlobalValueSymbol(GV);
return Sym;
@ -90,7 +90,7 @@ GetGlobalAddressSymbol(const MachineOperand &MO) const {
case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: {
Name += "$non_lazy_ptr";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
const MCSymbol *&StubSym = getMachOMMI().getHiddenGVStubEntry(Sym);
MCSymbol *&StubSym = getMachOMMI().getHiddenGVStubEntry(Sym);
if (StubSym == 0)
StubSym = AsmPrinter.GetGlobalValueSymbol(GV);
return Sym;
@ -98,7 +98,7 @@ GetGlobalAddressSymbol(const MachineOperand &MO) const {
case X86II::MO_DARWIN_STUB: {
Name += "$stub";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
const MCSymbol *&StubSym = getMachOMMI().getFnStubEntry(Sym);
MCSymbol *&StubSym = getMachOMMI().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = AsmPrinter.GetGlobalValueSymbol(GV);
return Sym;
@ -139,7 +139,7 @@ GetExternalSymbolSymbol(const MachineOperand &MO) const {
case X86II::MO_DARWIN_STUB: {
Name += "$stub";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
const MCSymbol *&StubSym = getMachOMMI().getFnStubEntry(Sym);
MCSymbol *&StubSym = getMachOMMI().getFnStubEntry(Sym);
if (StubSym == 0) {
Name.erase(Name.end()-5, Name.end());

2
lib/Target/X86/X86TargetObjectFile.cpp
View File

@ -35,7 +35,7 @@ getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
// Add information about the stub reference to MachOMMI so that the stub gets
// emitted by the asmprinter.
MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str());
const MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
if (StubSym == 0) {
Name.clear();
Mang->getNameWithPrefix(Name, GV, false);