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TargetData.cpp::getTypeInfo() was returning alignment of element type as the 

alignment of a packed type. This is obviously wrong. Added a workaround that
returns the size of the packed type as its alignment. The correct fix would
be to return a target dependent alignment value provided via TargetLowering
(or some other interface).

llvm-svn: 27319
This commit is contained in:
Evan Cheng 2006-03-31 22:33:42 +00:00
parent 39dcf1a9e2
commit a11d834b8c
1 changed files with 3 additions and 0 deletions
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llvm/lib/Target/TargetData.cpp
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@ -215,6 +215,9 @@ static inline void getTypeInfo(const Type *Ty, const TargetData *TD,
getTypeInfo(PTy->getElementType(), TD, Size, Alignment); getTypeInfo(PTy->getElementType(), TD, Size, Alignment);
unsigned AlignedSize = (Size + Alignment - 1)/Alignment*Alignment; unsigned AlignedSize = (Size + Alignment - 1)/Alignment*Alignment;
Size = AlignedSize*PTy->getNumElements(); Size = AlignedSize*PTy->getNumElements();
// FIXME: The alignments of specific packed types are target dependent.
// For now, just set it to be equal to Size.
Alignment = Size;
return; return;
} }
case Type::StructTyID: { case Type::StructTyID: {