diff --git a/llvm/include/llvm/Analysis/VectorUtils.h b/llvm/include/llvm/Analysis/VectorUtils.h
--- a/llvm/include/llvm/Analysis/VectorUtils.h
+++ b/llvm/include/llvm/Analysis/VectorUtils.h
@@ -264,6 +264,15 @@
 typedef unsigned ID;
 }
 
+/// A helper function for converting Scalar types to vector types.
+/// If the incoming type is void, we return void. If the VF is 1, we return
+/// the scalar type.
+inline Type *ToVectorTy(Type *Scalar, unsigned VF, bool isScalable = false) {
+  if (Scalar->isVoidTy() || VF == 1)
+    return Scalar;
+  return VectorType::get(Scalar, {VF, isScalable});
+}
+
 /// Identify if the intrinsic is trivially vectorizable.
 /// This method returns true if the intrinsic's argument types are all scalars
 /// for the scalar form of the intrinsic and all vectors (or scalars handled by
diff --git a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
--- a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
+++ b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
@@ -58,15 +58,6 @@
   return std::string(Out.str());
 }
 
-/// A helper function for converting Scalar types to vector types.
-/// If the incoming type is void, we return void. If the VF is 1, we return
-/// the scalar type.
-static Type *ToVectorTy(Type *Scalar, unsigned VF, bool isScalable = false) {
-  if (Scalar->isVoidTy() || VF == 1)
-    return Scalar;
-  return VectorType::get(Scalar, {VF, isScalable});
-}
-
 /// A helper function that adds the vector function declaration that
 /// vectorizes the CallInst CI with a vectorization factor of VF
 /// lanes. The TLI assumes that all parameters and the return type of
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -295,15 +295,6 @@
     "vectorize-loops", cl::init(true), cl::Hidden,
     cl::desc("Run the Loop vectorization passes"));
 
-/// A helper function for converting Scalar types to vector types.
-/// If the incoming type is void, we return void. If the VF is 1, we return
-/// the scalar type.
-static Type *ToVectorTy(Type *Scalar, unsigned VF) {
-  if (Scalar->isVoidTy() || VF == 1)
-    return Scalar;
-  return VectorType::get(Scalar, VF);
-}
-
 /// A helper function that returns the type of loaded or stored value.
 static Type *getMemInstValueType(Value *I) {
   assert((isa<LoadInst>(I) || isa<StoreInst>(I)) &&