- OwningPtr<RecordStreamer> Streamer(new RecordStreamer(_context));
- MemoryBuffer *Buffer = MemoryBuffer::getMemBuffer(inlineAsm);
- SourceMgr SrcMgr;
- SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
- OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr,
- _context, *Streamer,
- *_target->getMCAsmInfo()));
- const Target &T = _target->getTarget();
- OwningPtr<MCInstrInfo> MCII(T.createMCInstrInfo());
- OwningPtr<MCSubtargetInfo>
- STI(T.createMCSubtargetInfo(_target->getTargetTriple(),
- _target->getTargetCPU(),
- _target->getTargetFeatureString()));
- OwningPtr<MCTargetAsmParser> TAP(T.createMCAsmParser(*STI, *Parser.get(), *MCII));
- if (!TAP) {
- errMsg = "target " + std::string(T.getName()) +
- " does not define AsmParser.";
- return true;
- }
-
- Parser->setTargetParser(*TAP);
- if (Parser->Run(false))
- return true;
-
- for (RecordStreamer::const_iterator i = Streamer->begin(),
- e = Streamer->end(); i != e; ++i) {
- StringRef Key = i->first();
- RecordStreamer::State Value = i->second;
- if (Value == RecordStreamer::DefinedGlobal)
- addAsmGlobalSymbol(Key.data(), LTO_SYMBOL_SCOPE_DEFAULT);
- else if (Value == RecordStreamer::Defined)
- addAsmGlobalSymbol(Key.data(), LTO_SYMBOL_SCOPE_INTERNAL);
- else if (Value == RecordStreamer::Global ||
- Value == RecordStreamer::Used)
- addAsmGlobalSymbolUndef(Key.data());
- }
-
- return false;
-}
-
-/// isDeclaration - Return 'true' if the global value is a declaration.
-static bool isDeclaration(const GlobalValue &V) {
- if (V.hasAvailableExternallyLinkage())
- return true;
-
- if (V.isMaterializable())
- return false;
-
- return V.isDeclaration();
-}
-
-/// parseSymbols - Parse the symbols from the module and model-level ASM and add
-/// them to either the defined or undefined lists.
-bool LTOModule::parseSymbols(std::string &errMsg) {
- // add functions
- for (Module::iterator f = _module->begin(), e = _module->end(); f != e; ++f) {
- if (isDeclaration(*f))
- addPotentialUndefinedSymbol(f, true);
- else
- addDefinedFunctionSymbol(f);
- }
-
- // add data
- for (Module::global_iterator v = _module->global_begin(),
- e = _module->global_end(); v != e; ++v) {
- if (isDeclaration(*v))
- addPotentialUndefinedSymbol(v, false);
- else
- addDefinedDataSymbol(v);
- }
-
- // add asm globals
- if (addAsmGlobalSymbols(errMsg))
- return true;
-
- // add aliases
- for (Module::alias_iterator a = _module->alias_begin(),
- e = _module->alias_end(); a != e; ++a) {
- if (isDeclaration(*a->getAliasedGlobal()))
- // Is an alias to a declaration.
- addPotentialUndefinedSymbol(a, false);
- else
- addDefinedDataSymbol(a);