diff --git a/llvm/include/llvm/IR/Metadata.h b/llvm/include/llvm/IR/Metadata.h
--- a/llvm/include/llvm/IR/Metadata.h
+++ b/llvm/include/llvm/IR/Metadata.h
@@ -1345,9 +1345,8 @@
                           StorageType Storage, bool ShouldCreate = true);
 
   TempMDTuple cloneImpl() const {
-    ArrayRef<MDOperand> Operands = operands();
-    return getTemporary(getContext(), SmallVector<Metadata *, 4>(
-                                          Operands.begin(), Operands.end()));
+    return getTemporary(getContext(),
+                        llvm::to_vector_of<Metadata *, 4>(operands()));
   }
 
 public:
diff --git a/llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp b/llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp
--- a/llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp
@@ -811,8 +811,7 @@
     return nullptr;
 
   // Otherwise, create TBAA with the new Len
-  ArrayRef<MDOperand> MDOperands = MD->operands();
-  SmallVector<Metadata *, 4> NextNodes(MDOperands.begin(), MDOperands.end());
+  auto NextNodes = to_vector_of<Metadata *, 4>(MD->operands());
   ConstantInt *PreviousSize = mdconst::extract<ConstantInt>(NextNodes[3]);
 
   // Don't create a new MDNode if it is the same length.
diff --git a/llvm/lib/Linker/IRMover.cpp b/llvm/lib/Linker/IRMover.cpp
--- a/llvm/lib/Linker/IRMover.cpp
+++ b/llvm/lib/Linker/IRMover.cpp
@@ -1372,10 +1372,9 @@
              "Expected MDTuple when appending module flags");
       if (DstValue->isDistinct())
         return dyn_cast<MDTuple>(DstValue);
-      ArrayRef<MDOperand> DstOperands = DstValue->operands();
       MDTuple *New = MDTuple::getDistinct(
           DstM.getContext(),
-          SmallVector<Metadata *, 4>(DstOperands.begin(), DstOperands.end()));
+          llvm::to_vector_of<Metadata *, 4>(DstValue->operands()));
       Metadata *FlagOps[] = {DstOp->getOperand(0), ID, New};
       MDNode *Flag = MDTuple::getDistinct(DstM.getContext(), FlagOps);
       DstModFlags->setOperand(DstIndex, Flag);
diff --git a/llvm/tools/llvm-rc/ResourceScriptStmt.h b/llvm/tools/llvm-rc/ResourceScriptStmt.h
--- a/llvm/tools/llvm-rc/ResourceScriptStmt.h
+++ b/llvm/tools/llvm-rc/ResourceScriptStmt.h
@@ -817,7 +817,7 @@
     VersionInfoFixed() : IsTypePresent(FtNumTypes, false) {}
 
     void setValue(VersionInfoFixedType Type, ArrayRef<uint32_t> Value) {
-      FixedInfo[Type] = SmallVector<uint32_t, 4>(Value.begin(), Value.end());
+      FixedInfo[Type] = llvm::to_vector<4>(Value);
       IsTypePresent[Type] = true;
     }
 
diff --git a/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp b/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
--- a/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
+++ b/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
@@ -125,7 +125,7 @@
     return {};
   ArrayRef<uint8_t> BuildID(reinterpret_cast<const uint8_t *>(Bytes.data()),
                             Bytes.size());
-  return SmallVector<uint8_t>(BuildID.begin(), BuildID.end());
+  return llvm::to_vector(BuildID);
 }
 
 static bool parseCommand(StringRef BinaryName, bool IsAddr2Line,
diff --git a/llvm/unittests/Analysis/VectorUtilsTest.cpp b/llvm/unittests/Analysis/VectorUtilsTest.cpp
--- a/llvm/unittests/Analysis/VectorUtilsTest.cpp
+++ b/llvm/unittests/Analysis/VectorUtilsTest.cpp
@@ -507,8 +507,7 @@
   }
 
   bool validParams(ArrayRef<VFParameter> Parameters) {
-    Shape.Parameters =
-        SmallVector<VFParameter, 8>(Parameters.begin(), Parameters.end());
+    Shape.Parameters = llvm::to_vector<8>(Parameters);
     return Shape.hasValidParameterList();
   }
 };