#include "llvm/IR/Constants.h"
#include "llvm/IR/DiagnosticPrinter.h"
#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Mangler.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCExpr.h"
return makeLTOModule(Buffer, options, errMsg, Context);
}
-static Module *parseBitcodeFileImpl(MemoryBufferRef Buffer,
- LLVMContext &Context, bool ShouldBeLazy,
- std::string &ErrMsg) {
+static std::unique_ptr<Module> parseBitcodeFileImpl(MemoryBufferRef Buffer,
+ LLVMContext &Context,
+ bool ShouldBeLazy,
+ std::string &ErrMsg) {
// Find the buffer.
ErrorOr<MemoryBufferRef> MBOrErr =
if (!ShouldBeLazy) {
// Parse the full file.
- ErrorOr<Module *> M =
+ ErrorOr<std::unique_ptr<Module>> M =
parseBitcodeFile(*MBOrErr, Context, DiagnosticHandler);
if (!M)
return nullptr;
- return *M;
+ return std::move(*M);
}
// Parse lazily.
std::unique_ptr<MemoryBuffer> LightweightBuf =
MemoryBuffer::getMemBuffer(*MBOrErr, false);
- ErrorOr<Module *> M = getLazyBitcodeModule(std::move(LightweightBuf), Context,
- DiagnosticHandler,
- true/*ShouldLazyLoadMetadata*/);
+ ErrorOr<std::unique_ptr<Module>> M =
+ getLazyBitcodeModule(std::move(LightweightBuf), Context,
+ DiagnosticHandler, true /*ShouldLazyLoadMetadata*/);
if (!M)
return nullptr;
- return *M;
+ return std::move(*M);
}
LTOModule *LTOModule::makeLTOModule(MemoryBufferRef Buffer,
// If we own a context, we know this is being used only for symbol
// extraction, not linking. Be lazy in that case.
- std::unique_ptr<Module> M(parseBitcodeFileImpl(
+ std::unique_ptr<Module> M = parseBitcodeFileImpl(
Buffer, *Context,
- /* ShouldBeLazy */ static_cast<bool>(OwnedContext), errMsg));
+ /* ShouldBeLazy */ static_cast<bool>(OwnedContext), errMsg);
if (!M)
return nullptr;
if (def->hasComdat())
attr |= LTO_SYMBOL_COMDAT;
+ if (isa<GlobalAlias>(def))
+ attr |= LTO_SYMBOL_ALIAS;
+
auto Iter = _defines.insert(Name).first;
// fill information structure
/// parseMetadata - Parse metadata from the module
void LTOModule::parseMetadata() {
+ raw_string_ostream OS(LinkerOpts);
+
// Linker Options
if (Metadata *Val = getModule().getModuleFlag("Linker Options")) {
MDNode *LinkerOptions = cast<MDNode>(Val);
MDNode *MDOptions = cast<MDNode>(LinkerOptions->getOperand(i));
for (unsigned ii = 0, ie = MDOptions->getNumOperands(); ii != ie; ++ii) {
MDString *MDOption = cast<MDString>(MDOptions->getOperand(ii));
- // FIXME: Make StringSet::insert match Self-Associative Container
- // requirements, returning <iter,bool> rather than bool, and use that
- // here.
- StringRef Op =
- _linkeropt_strings.insert(MDOption->getString()).first->first();
- StringRef DepLibName =
- _target->getObjFileLowering()->getDepLibFromLinkerOpt(Op);
- if (!DepLibName.empty())
- _deplibs.push_back(DepLibName.data());
- else if (!Op.empty())
- _linkeropts.push_back(Op.data());
+ OS << " " << MDOption->getString();
}
}
}
+ // Globals
+ Mangler Mang;
+ for (const NameAndAttributes &Sym : _symbols) {
+ if (!Sym.symbol)
+ continue;
+ _target->getObjFileLowering()->emitLinkerFlagsForGlobal(OS, Sym.symbol,
+ Mang);
+ }
+
// Add other interesting metadata here.
}