diff --git a/llvm/include/llvm/CodeGen/MachineFrameInfo.h b/llvm/include/llvm/CodeGen/MachineFrameInfo.h
--- a/llvm/include/llvm/CodeGen/MachineFrameInfo.h
+++ b/llvm/include/llvm/CodeGen/MachineFrameInfo.h
@@ -785,7 +785,9 @@
   /// created, whether or not the index returned is actually used.
   int CreateVariableSizedObject(Align Alignment, const AllocaInst *Alloca);
   /// FIXME: Remove this function when transition to Align is over.
-  int CreateVariableSizedObject(unsigned Alignment, const AllocaInst *Alloca) {
+  LLVM_ATTRIBUTE_DEPRECATED(int CreateVariableSizedObject(
+                                unsigned Alignment, const AllocaInst *Alloca),
+                            "Use the version that takes an Align instead") {
     return CreateVariableSizedObject(assumeAligned(Alignment), Alloca);
   }
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -190,7 +190,7 @@
           // stack allocation for each one.
           // Inform the Frame Information that we have variable-sized objects.
           MF->getFrameInfo().CreateVariableSizedObject(
-              Alignment <= StackAlign ? 0 : Alignment.value(), AI);
+              Alignment <= StackAlign ? Align(1) : Alignment, AI);
         }
       }