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
@@ -476,18 +476,6 @@
   }
 
   /// setObjectAlignment - Change the alignment of the specified stack object.
-  /// FIXME: Remove this function once transition to Align is over.
-  void setObjectAlignment(int ObjectIdx, unsigned Align) {
-    assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
-           "Invalid Object Idx!");
-    Objects[ObjectIdx + NumFixedObjects].Alignment = assumeAligned(Align);
-
-    // Only ensure max alignment for the default stack.
-    if (getStackID(ObjectIdx) == 0)
-      ensureMaxAlignment(assumeAligned(Align));
-  }
-
-  /// setObjectAlignment - Change the alignment of the specified stack object.
   void setObjectAlignment(int ObjectIdx, Align Alignment) {
     assert(unsigned(ObjectIdx + NumFixedObjects) < Objects.size() &&
            "Invalid Object Idx!");
@@ -498,6 +486,14 @@
       ensureMaxAlignment(Alignment);
   }
 
+  /// setObjectAlignment - Change the alignment of the specified stack object.
+  /// FIXME: Remove this function once transition to Align is over.
+  LLVM_ATTRIBUTE_DEPRECATED(inline void setObjectAlignment(int ObjectIdx,
+                                                           unsigned Align),
+                            "Use the version that takes Align instead") {
+    setObjectAlignment(ObjectIdx, assumeAligned(Align));
+  }
+
   /// Return the underlying Alloca of the specified
   /// stack object if it exists. Returns 0 if none exists.
   const AllocaInst* getObjectAllocation(int ObjectIdx) const {
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -2590,7 +2590,7 @@
   // Then process all callee saved slots.
   if (getSVECalleeSaveSlotRange(MFI, MinCSFrameIndex, MaxCSFrameIndex)) {
     // Make sure to align the last callee save slot.
-    MFI.setObjectAlignment(MaxCSFrameIndex, 16U);
+    MFI.setObjectAlignment(MaxCSFrameIndex, Align(16));
 
     // Assign offsets to the callee save slots.
     for (int I = MinCSFrameIndex; I <= MaxCSFrameIndex; ++I) {
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -8133,7 +8133,7 @@
 
     // FIXME: 256-bit vector instructions don't require a strict alignment,
     // improve this code to support it better.
-    unsigned RequiredAlign = VT.getSizeInBits()/8;
+    Align RequiredAlign(VT.getSizeInBits() / 8);
     SDValue Chain = LD->getChain();
     // Make sure the stack object alignment is at least 16 or 32.
     MachineFrameInfo &MFI = DAG.getMachineFunction().getFrameInfo();
@@ -8152,9 +8152,9 @@
     // Ptr + (Offset & ~15).
     if (Offset < 0)
       return SDValue();
-    if ((Offset % RequiredAlign) & 3)
+    if ((Offset % RequiredAlign.value()) & 3)
       return SDValue();
-    int64_t StartOffset = Offset & ~int64_t(RequiredAlign - 1);
+    int64_t StartOffset = Offset & ~int64_t(RequiredAlign.value() - 1);
     if (StartOffset) {
       SDLoc DL(Ptr);
       Ptr = DAG.getNode(ISD::ADD, DL, Ptr.getValueType(), Ptr,