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Create a MCSymbolELF.

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This create a MCSymbolELF class and moves SymbolSize since only ELF
needs a size expression.

This reduces the size of MCSymbol from 56 to 48 bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238801 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-06-02 00:25:12 +00:00
parent 398f175c45
commit f7e0685b9a
18 changed files with 95 additions and 56 deletions
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7
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@@ -30,7 +30,7 @@
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolELF.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ELF.h"
@@ -63,7 +63,8 @@ void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
MCSymbol *Label = getContext().getOrCreateSymbol(NameData);
MCSymbolELF *Label =
cast<MCSymbolELF>(getContext().getOrCreateSymbol(NameData));
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
@@ -76,7 +77,7 @@ void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::create(Size, getContext());
Streamer.EmitELFSize(Label, E);
Streamer.emitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);