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Do not crash on empty structures

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9195 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-10-17 18:03:54 +00:00
parent 8a7ae306b2
commit 9493101409
1 changed files with 5 additions and 0 deletions
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5
lib/Transforms/TransformInternals.cpp
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@ -53,6 +53,11 @@ const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
uint64_t ThisOffset;
const Type *NextType;
if (const StructType *STy = dyn_cast<StructType>(Ty)) {
if (STy->getElementTypes().empty()) {
Offset = 0;
return STy;
}
ThisOffset = Offset;
NextType = getStructOffsetStep(STy, ThisOffset, Indices, TD);
} else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {