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Pack the MCSymbolELF bit fields into MCSymbol's Flags.

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This reduces MCSymolfELF from 64 bytes to 56 bytes on x86_64.

While at it, also make getOther/setOther easier to use by accepting unshifted
STO_* values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-06-04 02:32:20 +00:00
parent dc967a97df
commit d90fd082f9
7 changed files with 154 additions and 76 deletions
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13
include/llvm/MC/MCSymbolELF.h
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@@ -17,15 +17,9 @@ class MCSymbolELF : public MCSymbol {
/// symbol has no size this field will be NULL.
const MCExpr *SymbolSize = nullptr;
mutable unsigned BindingSet : 1;
mutable unsigned UsedInReloc : 1;
mutable unsigned WeakrefUsedInReloc : 1;
mutable unsigned IsSignature : 1;
public:
MCSymbolELF(const StringMapEntry<bool> *Name, bool isTemporary)
: MCSymbol(true, Name, isTemporary), BindingSet(false),
UsedInReloc(false), WeakrefUsedInReloc(false), IsSignature(false) {}
: MCSymbol(true, Name, isTemporary) {}
void setSize(const MCExpr *SS) { SymbolSize = SS; }
const MCExpr *getSize() const { return SymbolSize; }
@@ -42,7 +36,7 @@ public:
void setBinding(unsigned Binding) const;
unsigned getBinding() const;
bool isBindingSet() const { return BindingSet; }
bool isBindingSet() const;
void setUsedInReloc() const;
bool isUsedInReloc() const;
@@ -54,6 +48,9 @@ public:
bool isSignature() const;
static bool classof(const MCSymbol *S) { return S->isELF(); }
private:
void setIsBindingSet() const;
};
}