[llvm] [LV][EVL] Support in-loop reduction using tail folding with EVL. (PR #90184)

[Mel Chen via llvm-commits]

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@@ -15,6 +15,7 @@
 #ifndef LLVM_IR_VECTORBUILDER_H
 #define LLVM_IR_VECTORBUILDER_H
 
+#include "llvm/Analysis/IVDescriptors.h"
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Mel-Chen wrote:

16eb2ab9461d9166cc35d6c52a99f1cc0b540d79

https://github.com/llvm/llvm-project/pull/90184