/// parseMetadata - Parse metadata from the module
void LTOModule::parseMetadata() {
raw_string_ostream OS(LinkerOpts);
// Linker Options
if (NamedMDNode *LinkerOptions =
getModule().getNamedMetadata("llvm.linker.options")) {
for (unsigned i = 0, e = LinkerOptions->getNumOperands(); i != e; ++i) {
MDNode *MDOptions = LinkerOptions->getOperand(i);
for (unsigned ii = 0, ie = MDOptions->getNumOperands(); ii != ie; ++ii) {
MDString *MDOption = cast<MDString>(MDOptions->getOperand(ii));
OS << " " << MDOption->getString();
}
}
}
// Globals - we only need to do this for COFF.
const Triple TT(_target->getTargetTriple());
if (!TT.isOSBinFormatCOFF())
return;
Mangler M;
for (const NameAndAttributes &Sym : _symbols) {
if (!Sym.symbol)
continue;
emitLinkerFlagsForGlobalCOFF(OS, Sym.symbol, TT, M);
}
// Add other interesting metadata here.
}
//===----------------------------------------------------------------------===//
// AArch64 Lowering public interface.
//===----------------------------------------------------------------------===//
static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
if (TT.isOSBinFormatMachO())
return llvm::make_unique<AArch64_MachoTargetObjectFile>();
if (TT.isOSBinFormatCOFF())
return llvm::make_unique<AArch64_COFFTargetObjectFile>();
return llvm::make_unique<AArch64_ELFTargetObjectFile>();
}
// Helper function to build a DataLayout string
static std::string computeDataLayout(const Triple &TT,
const MCTargetOptions &Options,
bool LittleEndian) {
if (Options.getABIName() == "ilp32")
return "e-m:e-p:32:32-i8:8-i16:16-i64:64-S128";
if (TT.isOSBinFormatMachO())
return "e-m:o-i64:64-i128:128-n32:64-S128";
if (TT.isOSBinFormatCOFF())
return "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128";
if (LittleEndian)
return "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128";
return "E-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128";
}
static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
if (TT.isOSBinFormatMachO()) {
if (TT.getArch() == Triple::x86_64)
return make_unique<X86_64MachoTargetObjectFile>();
return make_unique<TargetLoweringObjectFileMachO>();
}
if (TT.isOSLinux() || TT.isOSNaCl())
return make_unique<X86LinuxNaClTargetObjectFile>();
if (TT.isOSBinFormatELF())
return make_unique<X86ELFTargetObjectFile>();
if (TT.isKnownWindowsMSVCEnvironment() || TT.isWindowsCoreCLREnvironment())
return make_unique<X86WindowsTargetObjectFile>();
if (TT.isOSBinFormatCOFF())
return make_unique<TargetLoweringObjectFileCOFF>();
llvm_unreachable("unknown subtarget type");
}
static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
if (TT.isOSBinFormatMachO()) {
if (TT.getArch() == Triple::x86_64)
return llvm::make_unique<X86_64MachoTargetObjectFile>();
return llvm::make_unique<TargetLoweringObjectFileMachO>();
}
if (TT.isOSFreeBSD())
return llvm::make_unique<X86FreeBSDTargetObjectFile>();
if (TT.isOSLinux() || TT.isOSNaCl() || TT.isOSIAMCU())
return llvm::make_unique<X86LinuxNaClTargetObjectFile>();
if (TT.isOSSolaris())
return llvm::make_unique<X86SolarisTargetObjectFile>();
if (TT.isOSFuchsia())
return llvm::make_unique<X86FuchsiaTargetObjectFile>();
if (TT.isOSBinFormatELF())
return llvm::make_unique<X86ELFTargetObjectFile>();
if (TT.isOSBinFormatCOFF())
return llvm::make_unique<TargetLoweringObjectFileCOFF>();
llvm_unreachable("unknown subtarget type");
}