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reimplement X86ATTAsmPrinter::GetGlobalAddressSymbol in terms of

Browse Source 
Mangler::getNameWithPrefix.  In addition to avoiding some over
quoting, this also is more efficient because it uses smallvector
instead of std::string thrashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81508 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-09-11 05:58:44 +00:00
parent ceddb2b856
commit a49ea86ba2
1 changed files with 21 additions and 15 deletions
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36
lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
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@ -44,15 +44,16 @@ MCSymbol *X86ATTAsmPrinter::GetPICBaseSymbol() {
MCSymbol *X86ATTAsmPrinter::GetGlobalAddressSymbol(const MachineOperand &MO) {
const GlobalValue *GV = MO.getGlobal();
const char *Suffix = "";
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB)
Suffix = "$stub";
else if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE ||
MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE)
Suffix = "$non_lazy_ptr";
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;
SmallString<128> Name;
Mang->getNameWithPrefix(Name, GV, isImplicitlyPrivate);
std::string Name = Mang->getMangledName(GV, Suffix, Suffix[0] != '\0');
if (Subtarget->isTargetCygMing())
DecorateCygMingName(Name, GV);
@ -62,19 +63,24 @@ MCSymbol *X86ATTAsmPrinter::GetGlobalAddressSymbol(const MachineOperand &MO) {
case X86II::MO_GOT_ABSOLUTE_ADDRESS: // Doesn't modify symbol name.
case X86II::MO_PIC_BASE_OFFSET: // Doesn't modify symbol name.
break;
case X86II::MO_DLLIMPORT:
case X86II::MO_DLLIMPORT: {
// Handle dllimport linkage.
Name = "__imp_" + Name;
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:
GVStubs[Name] = Mang->getMangledName(GV);
Name += "$non_lazy_ptr";
GVStubs[Name.str()] = StringRef(Name.data(), Name.size()-13);
break;
case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE:
HiddenGVStubs[Name] = Mang->getMangledName(GV);
Name += "$non_lazy_ptr";
HiddenGVStubs[Name.str()] = StringRef(Name.data(), Name.size()-13);
break;
case X86II::MO_DARWIN_STUB:
FnStubs[Name] = Mang->getMangledName(GV);
Name += "$stub";
FnStubs[Name.str()] = StringRef(Name.data(), Name.size()-5);
break;
// FIXME: These probably should be a modifier on the symbol or something??
case X86II::MO_TLSGD: Name += "@TLSGD"; break;
@ -88,11 +94,11 @@ MCSymbol *X86ATTAsmPrinter::GetGlobalAddressSymbol(const MachineOperand &MO) {
case X86II::MO_PLT: Name += "@PLT"; break;
}
return OutContext.GetOrCreateSymbol(Name);
return OutContext.GetOrCreateSymbol(Name.str());
}
MCSymbol *X86ATTAsmPrinter::GetExternalSymbolSymbol(const MachineOperand &MO) {
SmallString<256> Name;
SmallString<128> Name;
Name += MAI->getGlobalPrefix();
Name += MO.getSymbolName();