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Shrink derived types by 8 bytes each by not having to have 2 vtables pointers

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and other MI overhead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24344 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-11-13 03:26:12 +00:00
parent cfe822728f
commit 4de4123fb1
2 changed files with 5 additions and 2 deletions
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2
include/llvm/DerivedTypes.h
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@ -31,7 +31,7 @@ class StructValType;
class PointerValType; class PointerValType;
class PackedValType; class PackedValType;
class DerivedType : public Type, public AbstractTypeUser { class DerivedType : public Type {
friend class Type; friend class Type;
protected: protected:

5
include/llvm/Type.h
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@ -51,7 +51,7 @@ class StructType;
class PackedType; class PackedType;
class TypeMapBase; class TypeMapBase;
class Type { class Type : public AbstractTypeUser {
public: public:
///===-------------------------------------------------------------------===// ///===-------------------------------------------------------------------===//
/// Definitions of all of the base types for the Type system. Based on this /// Definitions of all of the base types for the Type system. Based on this
@ -341,6 +341,9 @@ private:
/// their size is relatively uncommon, move this operation out of line. /// their size is relatively uncommon, move this operation out of line.
bool isSizedDerivedType() const; bool isSizedDerivedType() const;
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
virtual void typeBecameConcrete(const DerivedType *AbsTy);
protected: protected:
// PromoteAbstractToConcrete - This is an internal method used to calculate // PromoteAbstractToConcrete - This is an internal method used to calculate
// change "Abstract" from true to false when types are refined. // change "Abstract" from true to false when types are refined.