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Revert "COFF: Let globals with private linkage reside in their own section"

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This reverts commit r232539.  This was committed accidently.

llvm-svn: 232543
This commit is contained in:
David Majnemer 2015-03-17 20:41:11 +00:00
parent 0d09df9f5d
commit a16c93669c
6 changed files with 3 additions and 42 deletions
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4
include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
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@ -147,10 +147,6 @@ public:
SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const override;
void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
bool CannotUsePrivateLabel, Mangler &Mang,
const TargetMachine &TM) const override;
const MCSection *
getSectionForJumpTable(const Function &F, Mangler &Mang,
const TargetMachine &TM) const override;

5
include/llvm/Target/TargetLoweringObjectFile.h
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@ -101,11 +101,6 @@ public:
return SectionForGlobal(GV, getKindForGlobal(GV, TM), Mang, TM);
}
virtual void getNameWithPrefix(SmallVectorImpl<char> &OutName,
const GlobalValue *GV,
bool CannotUsePrivateLabel, Mangler &Mang,
const TargetMachine &TM) const;
virtual const MCSection *
getSectionForJumpTable(const Function &F, Mangler &Mang,
const TargetMachine &TM) const;

24
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -927,11 +927,6 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
StringRef COMDATSymName = Sym->getName();
return getContext().getCOFFSection(Name, Characteristics, Kind,
COMDATSymName, Selection);
} else {
SmallString<256> TmpData;
getNameWithPrefix(TmpData, GV, true, Mang, TM);
return getContext().getCOFFSection(Name, Characteristics, Kind, TmpData,
Selection);
}
}
@ -953,25 +948,6 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
return DataSection;
}
void TargetLoweringObjectFileCOFF::getNameWithPrefix(
SmallVectorImpl<char> &OutName, const GlobalValue *GV,
bool CannotUsePrivateLabel, Mangler &Mang, const TargetMachine &TM) const {
if (GV->hasPrivateLinkage() &&
((isa<Function>(GV) && TM.getFunctionSections()) ||
(isa<GlobalVariable>(GV) && TM.getDataSections()))) {
SmallString<256> Tmp;
Mang.getNameWithPrefix(Tmp, GV, /*CannotUsePrivateLabel=*/false);
if (Tmp.startswith(".L"))
OutName.append(Tmp.begin() + 2, Tmp.end());
else if (Tmp.startswith("L"))
OutName.append(Tmp.begin() + 1, Tmp.end());
else
OutName.append(Tmp.begin(), Tmp.end());
return;
}
Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
}
const MCSection *TargetLoweringObjectFileCOFF::getSectionForJumpTable(
const Function &F, Mangler &Mang, const TargetMachine &TM) const {
// If the function can be removed, produce a unique section so that

6
lib/Target/TargetLoweringObjectFile.cpp
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@ -343,9 +343,3 @@ const MCExpr *TargetLoweringObjectFile::getDebugThreadLocalSymbol(const MCSymbol
// null return could mean 'no location' & we should just do that here.
return MCSymbolRefExpr::Create(Sym, *Ctx);
}
void TargetLoweringObjectFile::getNameWithPrefix(
SmallVectorImpl<char> &OutName, const GlobalValue *GV,
bool CannotUsePrivateLabel, Mangler &Mang, const TargetMachine &TM) const {
Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
}

2
lib/Target/TargetMachine.cpp
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@ -175,7 +175,7 @@ void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
const TargetLoweringObjectFile *TLOF = getObjFileLowering();
const MCSection *TheSection = TLOF->SectionForGlobal(GV, GVKind, Mang, *this);
bool CannotUsePrivateLabel = !canUsePrivateLabel(*AsmInfo, *TheSection);
TLOF->getNameWithPrefix(Name, GV, CannotUsePrivateLabel, Mang, *this);
Mang.getNameWithPrefix(Name, GV, CannotUsePrivateLabel);
}
MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV, Mangler &Mang) const {

4
test/CodeGen/X86/global-sections.ll
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@ -275,8 +275,8 @@ bb7:
; LINUX-SECTIONS: .asciz "foo"
; LINUX-SECTIONS: .size .LG14, 4
; WIN32-SECTIONS: .section .rdata,"dr",one_only,_G14
; WIN32-SECTIONS: _G14:
; WIN32-SECTIONS: .section .rdata,"dr"
; WIN32-SECTIONS: L_G14:
; WIN32-SECTIONS: .asciz "foo"
; cannot be merged on MachO, but can on other formats.