diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index bb90356625e0c299bda163d4be7f7c625e7a648a..50eff9cbc6e8daccb539b9cad3b48e15348c2da1 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -169,7 +169,9 @@ void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) { // FIXME: linkonce should be a section attribute, handled by COFF Section // assignment. // http://sourceware.org/binutils/docs-2.20/as/Linkonce.html#Linkonce - // .linkonce same_size + // .linkonce discard + // FIXME: It would be nice to use .linkonce samesize for non-common + // globals. O << LinkOnce; } else { // .weak _foo @@ -300,38 +302,9 @@ void AsmPrinter::EmitFunctionHeader() { OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM)); printVisibility(CurrentFnSym, F->getVisibility()); - switch (F->getLinkage()) { - default: llvm_unreachable("Unknown linkage type!"); - case Function::InternalLinkage: // Symbols default to internal. - case Function::PrivateLinkage: - break; - case Function::DLLExportLinkage: - case Function::ExternalLinkage: - OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global); - break; - case Function::LinkerPrivateLinkage: - case Function::LinkOnceAnyLinkage: - case Function::LinkOnceODRLinkage: - case Function::WeakAnyLinkage: - case Function::WeakODRLinkage: - if (MAI->getWeakDefDirective() != 0) { - OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global); - O << MAI->getWeakDefDirective() << *CurrentFnSym << '\n'; - } else if (MAI->getLinkOnceDirective() != 0) { - OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global); - // FIXME: linkonce should be a section attribute, handled by COFF Section - // assignment. - // http://sourceware.org/binutils/docs-2.20/as/Linkonce.html#Linkonce - O << "\t.linkonce discard\n"; - } else { - O << "\t.weak\t" << *CurrentFnSym << '\n'; - } - break; - } - + EmitLinkage(F->getLinkage(), CurrentFnSym); EmitAlignment(MF->getAlignment(), F); - if (MAI->hasDotTypeDotSizeDirective()) OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_ELF_TypeFunction); diff --git a/llvm/lib/MC/MCAsmInfoCOFF.cpp b/llvm/lib/MC/MCAsmInfoCOFF.cpp index ace7ba1e793db523003b0f02b4c7d94d7b222a7d..9130493de277b3fac6078ff0a02d4e92c731cdec 100644 --- a/llvm/lib/MC/MCAsmInfoCOFF.cpp +++ b/llvm/lib/MC/MCAsmInfoCOFF.cpp @@ -24,7 +24,7 @@ MCAsmInfoCOFF::MCAsmInfoCOFF() { HasSingleParameterDotFile = false; PrivateGlobalPrefix = "L"; // Prefix for private global symbols WeakRefDirective = "\t.weak\t"; - LinkOnceDirective = "\t.linkonce same_size\n"; + LinkOnceDirective = "\t.linkonce discard\n"; // Doesn't support visibility: HiddenVisibilityAttr = ProtectedVisibilityAttr = MCSA_Invalid;