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Check for empty structs, and for consistency, zero-element arrays.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123383 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2011-01-13 18:26:59 +00:00
parent 704d1347c5
commit f0908aeade
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -1084,12 +1084,12 @@ static bool isHomogeneousAggregate(const Type *T, unsigned &NumElts,
const Type *&EltTy) {
if (const ArrayType *AT = dyn_cast<ArrayType>(T)) {
NumElts = AT->getNumElements();
EltTy = AT->getElementType();
EltTy = (NumElts == 0 ? 0 : AT->getElementType());
return true;
}
if (const StructType *ST = dyn_cast<StructType>(T)) {
NumElts = ST->getNumContainedTypes();
EltTy = ST->getContainedType(0);
EltTy = (NumElts == 0 ? 0 : ST->getContainedType(0));
for (unsigned n = 1; n < NumElts; ++n) {
if (ST->getContainedType(n) != EltTy)
return false;