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Add back r201608, r201622, r201624 and r201625

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r201608 made llvm corretly handle private globals with MachO. r201622 fixed
a bug in it and r201624 and r201625 were changes for using private linkage,
assuming that llvm would do the right thing.

They all got reverted because r201608 introduced a crash in LTO. This patch
includes a fix for that. The issue was that TargetLoweringObjectFile now has
to be initialized before we can mangle names of private globals. This is
trivially true during the normal codegen pipeline (the asm printer does it),
but LTO has to do it manually.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-02-19 17:23:20 +00:00
parent cf42174647
commit 737c9f6005
35 changed files with 377 additions and 173 deletions
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10
lib/Target/Sparc/SparcTargetObjectFile.cpp
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@ -11,23 +11,25 @@
#include "MCTargetDesc/SparcMCExpr.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Target/TargetLowering.h"
using namespace llvm;
const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
MachineModuleInfo *MMI, MCStreamer &Streamer) const {
const TargetMachine &TM, MachineModuleInfo *MMI,
MCStreamer &Streamer) const {
if (Encoding & dwarf::DW_EH_PE_pcrel) {
MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", Mang);
MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", Mang, TM);
// Add information about the stub reference to ELFMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = getSymbol(GV, Mang);
MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@ -37,5 +39,5 @@ const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
}
return TargetLoweringObjectFileELF::getTTypeGlobalReference(
GV, Encoding, Mang, MMI, Streamer);
GV, Encoding, Mang, TM, MMI, Streamer);
}