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Refactor to remove a bit of duplication. No functionality change.

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llvm-svn: 195933
This commit is contained in:
Rafael Espindola 2013-11-28 20:12:44 +00:00
parent fd8fd4246f
commit 3f4a857bd5
1 changed files with 24 additions and 24 deletions
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48
lib/Target/X86/X86MCInstLower.cpp
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@ -73,16 +73,26 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
assert((MO.isGlobal() || MO.isSymbol() || MO.isMBB()) && "Isn't a symbol reference");
SmallString<128> Name;
StringRef Suffix;
switch (MO.getTargetFlags()) {
case X86II::MO_DLLIMPORT:
// Handle dllimport linkage.
Name += "__imp_";
break;
case X86II::MO_DARWIN_STUB:
Suffix = "$stub";
break;
case X86II::MO_DARWIN_NONLAZY:
case X86II::MO_DARWIN_NONLAZY_PIC_BASE:
case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE:
Suffix = "$non_lazy_ptr";
break;
}
if (MO.isGlobal()) {
const GlobalValue *GV = MO.getGlobal();
bool isImplicitlyPrivate = false;
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE ||
MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE)
isImplicitlyPrivate = true;
bool isImplicitlyPrivate = !Suffix.empty();
getMang()->getNameWithPrefix(Name, GV, isImplicitlyPrivate);
} else if (MO.isSymbol()) {
getMang()->getNameWithPrefix(Name, MO.getSymbolName());
@ -90,21 +100,15 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
Name += MO.getMBB()->getSymbol()->getName();
}
Name += Suffix;
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
// If the target flags on the operand changes the name of the symbol, do that
// before we return the symbol.
switch (MO.getTargetFlags()) {
default: break;
case X86II::MO_DLLIMPORT: {
// Handle dllimport linkage.
const char *Prefix = "__imp_";
Name.insert(Name.begin(), Prefix, Prefix+strlen(Prefix));
break;
}
case X86II::MO_DARWIN_NONLAZY:
case X86II::MO_DARWIN_NONLAZY_PIC_BASE: {
Name += "$non_lazy_ptr";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
MachineModuleInfoImpl::StubValueTy &StubSym =
getMachOMMI().getGVStubEntry(Sym);
if (StubSym.getPointer() == 0) {
@ -114,11 +118,9 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
!MO.getGlobal()->hasInternalLinkage());
}
return Sym;
break;
}
case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: {
Name += "$non_lazy_ptr";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
MachineModuleInfoImpl::StubValueTy &StubSym =
getMachOMMI().getHiddenGVStubEntry(Sym);
if (StubSym.getPointer() == 0) {
@ -128,11 +130,9 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
!MO.getGlobal()->hasInternalLinkage());
}
return Sym;
break;
}
case X86II::MO_DARWIN_STUB: {
Name += "$stub";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
MachineModuleInfoImpl::StubValueTy &StubSym =
getMachOMMI().getFnStubEntry(Sym);
if (StubSym.getPointer())
@ -149,11 +149,11 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
MachineModuleInfoImpl::
StubValueTy(Ctx.GetOrCreateSymbol(Name.str()), false);
}
return Sym;
break;
}
}
return Ctx.GetOrCreateSymbol(Name.str());
return Sym;
}
MCOperand X86MCInstLower::LowerSymbolOperand(const MachineOperand &MO,