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-rw-r--r--llvm/lib/Analysis/VectorUtils.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
index d11cb6a4d3c..44043bd582c 100644
--- a/llvm/lib/Analysis/VectorUtils.cpp
+++ b/llvm/lib/Analysis/VectorUtils.cpp
@@ -1166,6 +1166,9 @@ void VFABI::getVectorVariantNames(
const StringRef S =
CI.getAttribute(AttributeList::FunctionIndex, VFABI::MappingsAttrName)
.getValueAsString();
+ if (S.empty())
+ return;
+
SmallVector<StringRef, 8> ListAttr;
S.split(ListAttr, ",");
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