diff options
Diffstat (limited to 'lib/VMCore/Constants.cpp')
| -rw-r--r-- | lib/VMCore/Constants.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp index 5151105e05..1976832294 100644 --- a/lib/VMCore/Constants.cpp +++ b/lib/VMCore/Constants.cpp @@ -2048,7 +2048,8 @@ static bool isAllZeros(StringRef Arr) { /// we *want* an underlying "char*" to avoid TBAA type punning violations. Constant *ConstantDataSequential::getImpl(StringRef Elements, Type *Ty) { assert(isElementTypeCompatible(cast<SequentialType>(Ty)->getElementType())); - // If the elements are all zero, return a CAZ, which is more dense. + // If the elements are all zero or there are no elements, return a CAZ, which + // is more dense and canonical. if (isAllZeros(Elements)) return ConstantAggregateZero::get(Ty); |