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* Fix divide by zero error with empty structs

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* Empty structs should have ALIGNMENT 1, not SIZE 1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6263 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-05-21 18:08:44 +00:00
parent 77c9fcb797
commit 4e840d4db7
1 changed files with 3 additions and 5 deletions
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8
lib/Target/TargetData.cpp
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@ -56,15 +56,13 @@ StructLayout::StructLayout(const StructType *ST, const TargetData &TD)
StructSize += TySize; // Consume space for this data item
}
// Empty structures have alignment of 1 byte.
if (StructAlignment == 0) StructAlignment = 1;
// Add padding to the end of the struct so that it could be put in an array
// and all array elements would be aligned correctly.
if (StructSize % StructAlignment != 0)
StructSize = (StructSize/StructAlignment + 1) * StructAlignment;
if (StructSize == 0) {
StructSize = 1; // Empty struct is 1 byte
StructAlignment = 1;
}
}
Annotation *TargetData::TypeAnFactory(AnnotationID AID, const Annotable *T,