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Handle targets where alignment can be bigger than the size of the data.

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Contributed by Vladimir Prus!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14534 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-07-01 17:32:59 +00:00
parent beb5e78201
commit 59b0067334
1 changed files with 4 additions and 4 deletions
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8
lib/Target/TargetData.cpp
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@ -168,19 +168,19 @@ static inline void getTypeInfo(const Type *Ty, const TargetData *TD,
Size = TD->getPointerSize(); Alignment = TD->getPointerAlignment(); Size = TD->getPointerSize(); Alignment = TD->getPointerAlignment();
return; return;
case Type::ArrayTyID: { case Type::ArrayTyID: {
const ArrayType *ATy = (const ArrayType *)Ty; const ArrayType *ATy = cast<ArrayType>(Ty);
unsigned AlignedSize = (Size + Alignment - 1)/Alignment*Alignment;
getTypeInfo(ATy->getElementType(), TD, Size, Alignment); getTypeInfo(ATy->getElementType(), TD, Size, Alignment);
Size *= ATy->getNumElements(); Size = AlignedSize*ATy->getNumElements();
return; return;
} }
case Type::StructTyID: { case Type::StructTyID: {
// Get the layout annotation... which is lazily created on demand. // Get the layout annotation... which is lazily created on demand.
const StructLayout *Layout = TD->getStructLayout((const StructType*)Ty); const StructLayout *Layout = TD->getStructLayout(cast<StructType>(Ty));
Size = Layout->StructSize; Alignment = Layout->StructAlignment; Size = Layout->StructSize; Alignment = Layout->StructAlignment;
return; return;
} }
case Type::TypeTyID:
default: default:
assert(0 && "Bad type for getTypeInfo!!!"); assert(0 && "Bad type for getTypeInfo!!!");
return; return;