diff --git a/llvm/lib/Target/LoongArch/LoongArchTargetTransformInfo.h b/llvm/lib/Target/LoongArch/LoongArchTargetTransformInfo.h
index d43d2cb0eb124..dc0478daeb6af 100644
--- a/llvm/lib/Target/LoongArch/LoongArchTargetTransformInfo.h
+++ b/llvm/lib/Target/LoongArch/LoongArchTargetTransformInfo.h
@@ -52,6 +52,7 @@ class LoongArchTTIImpl : public BasicTTIImplBase<LoongArchTTIImpl> {
   unsigned getCacheLineSize() const override;
   unsigned getPrefetchDistance() const override;
   bool enableWritePrefetching() const override;
+  bool enableInterleavedAccessVectorization() const override { return true; }
 
   // TODO: Implement more hooks to provide TTI machinery for LoongArch.
 };