diff --git a/llvm/include/llvm/CodeGen/TargetFrameLowering.h b/llvm/include/llvm/CodeGen/TargetFrameLowering.h
--- a/llvm/include/llvm/CodeGen/TargetFrameLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetFrameLowering.h
@@ -55,12 +55,12 @@
 private:
   StackDirection StackDir;
   Align StackAlignment;
-  unsigned TransientStackAlignment;
+  Align TransientStackAlignment;
   int LocalAreaOffset;
   bool StackRealignable;
 public:
   TargetFrameLowering(StackDirection D, Align StackAl, int LAO,
-                      unsigned TransAl = 1, bool StackReal = true)
+                      Align TransAl = Align::None(), bool StackReal = true)
       : StackDir(D), StackAlignment(StackAl), TransientStackAlignment(TransAl),
         LocalAreaOffset(LAO), StackRealignable(StackReal) {}
 
@@ -96,7 +96,7 @@
   /// calls.
   ///
   unsigned getTransientStackAlignment() const {
-    return TransientStackAlignment;
+    return TransientStackAlignment.value();
   }
 
   /// isStackRealignable - This method returns whether the stack can be
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -10356,7 +10356,7 @@
   case ICmpInst::ICMP_UGE:
     std::swap(LHS, RHS);
     LLVM_FALLTHROUGH;
-  case ICmpInst::ICMP_ULE: { 
+  case ICmpInst::ICMP_ULE: {
     // If operand >=s 0 then ZExt == SExt.  If operand <s 0 then ZExt <u SExt.
     const SCEVZeroExtendExpr *ZExt = dyn_cast<SCEVZeroExtendExpr>(LHS);
     const SCEVSignExtendExpr *SExt = dyn_cast<SCEVSignExtendExpr>(RHS);
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.h b/llvm/lib/Target/AArch64/AArch64FrameLowering.h
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.h
@@ -21,7 +21,7 @@
 class AArch64FrameLowering : public TargetFrameLowering {
 public:
   explicit AArch64FrameLowering()
-      : TargetFrameLowering(StackGrowsDown, Align(16), 0, 16,
+      : TargetFrameLowering(StackGrowsDown, Align(16), 0, Align(16),
                             true /*StackRealignable*/) {}
 
   void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h b/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h
--- a/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.h
@@ -26,7 +26,7 @@
 class AMDGPUFrameLowering : public TargetFrameLowering {
 public:
   AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO,
-                      unsigned TransAl = 1);
+                      Align TransAl = Align::None());
   ~AMDGPUFrameLowering() override;
 
   /// \returns The number of 32-bit sub-registers that are used when storing
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUFrameLowering.cpp
@@ -14,7 +14,7 @@
 
 using namespace llvm;
 AMDGPUFrameLowering::AMDGPUFrameLowering(StackDirection D, Align StackAl,
-                                         int LAO, unsigned TransAl)
+                                         int LAO, Align TransAl)
     : TargetFrameLowering(D, StackAl, LAO, TransAl) {}
 
 AMDGPUFrameLowering::~AMDGPUFrameLowering() = default;
diff --git a/llvm/lib/Target/AMDGPU/R600FrameLowering.h b/llvm/lib/Target/AMDGPU/R600FrameLowering.h
--- a/llvm/lib/Target/AMDGPU/R600FrameLowering.h
+++ b/llvm/lib/Target/AMDGPU/R600FrameLowering.h
@@ -16,7 +16,7 @@
 class R600FrameLowering : public AMDGPUFrameLowering {
 public:
   R600FrameLowering(StackDirection D, Align StackAl, int LAO,
-                    unsigned TransAl = 1)
+                    Align TransAl = Align::None())
       : AMDGPUFrameLowering(D, StackAl, LAO, TransAl) {}
   ~R600FrameLowering() override;
 
diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.h b/llvm/lib/Target/AMDGPU/SIFrameLowering.h
--- a/llvm/lib/Target/AMDGPU/SIFrameLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.h
@@ -21,7 +21,7 @@
 class SIFrameLowering final : public AMDGPUFrameLowering {
 public:
   SIFrameLowering(StackDirection D, Align StackAl, int LAO,
-                  unsigned TransAl = 1)
+                  Align TransAl = Align::None())
       : AMDGPUFrameLowering(D, StackAl, LAO, TransAl) {}
   ~SIFrameLowering() override = default;
 
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -76,7 +76,7 @@
                         unsigned NumAlignedDPRCS2Regs);
 
 ARMFrameLowering::ARMFrameLowering(const ARMSubtarget &sti)
-    : TargetFrameLowering(StackGrowsDown, sti.getStackAlignment(), 0, 4),
+    : TargetFrameLowering(StackGrowsDown, sti.getStackAlignment(), 0, Align(4)),
       STI(sti) {}
 
 bool ARMFrameLowering::keepFramePointer(const MachineFunction &MF) const {
diff --git a/llvm/lib/Target/Hexagon/HexagonFrameLowering.h b/llvm/lib/Target/Hexagon/HexagonFrameLowering.h
--- a/llvm/lib/Target/Hexagon/HexagonFrameLowering.h
+++ b/llvm/lib/Target/Hexagon/HexagonFrameLowering.h
@@ -30,7 +30,7 @@
 class HexagonFrameLowering : public TargetFrameLowering {
 public:
   explicit HexagonFrameLowering()
-      : TargetFrameLowering(StackGrowsDown, Align(8), 0, 1, true) {}
+      : TargetFrameLowering(StackGrowsDown, Align(8), 0, Align::None(), true) {}
 
   // All of the prolog/epilog functionality, including saving and restoring
   // callee-saved registers is handled in emitPrologue. This is to have the
diff --git a/llvm/lib/Target/MSP430/MSP430FrameLowering.h b/llvm/lib/Target/MSP430/MSP430FrameLowering.h
--- a/llvm/lib/Target/MSP430/MSP430FrameLowering.h
+++ b/llvm/lib/Target/MSP430/MSP430FrameLowering.h
@@ -23,7 +23,7 @@
 public:
   explicit MSP430FrameLowering()
       : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(2), -2,
-                            2) {}
+                            Align(2)) {}
 
   /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
   /// the function.
diff --git a/llvm/lib/Target/Mips/MipsFrameLowering.h b/llvm/lib/Target/Mips/MipsFrameLowering.h
--- a/llvm/lib/Target/Mips/MipsFrameLowering.h
+++ b/llvm/lib/Target/Mips/MipsFrameLowering.h
@@ -25,8 +25,8 @@
 
 public:
   explicit MipsFrameLowering(const MipsSubtarget &sti, Align Alignment)
-      : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment.value()),
-        STI(sti) {}
+      : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {
+  }
 
   static const MipsFrameLowering *create(const MipsSubtarget &ST);
 
diff --git a/llvm/lib/Target/Sparc/SparcFrameLowering.cpp b/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
--- a/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
@@ -35,7 +35,7 @@
 SparcFrameLowering::SparcFrameLowering(const SparcSubtarget &ST)
     : TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
                           ST.is64Bit() ? Align(16) : Align(8), 0,
-                          ST.is64Bit() ? 16 : 8) {}
+                          ST.is64Bit() ? Align(16) : Align(8)) {}
 
 void SparcFrameLowering::emitSPAdjustment(MachineFunction &MF,
                                           MachineBasicBlock &MBB,
diff --git a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
--- a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
@@ -47,7 +47,7 @@
 
 SystemZFrameLowering::SystemZFrameLowering()
     : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(8),
-                          -SystemZMC::CallFrameSize, 8,
+                          -SystemZMC::CallFrameSize, Align(8),
                           false /* StackRealignable */) {
   // Create a mapping from register number to save slot offset.
   RegSpillOffsets.grow(SystemZ::NUM_TARGET_REGS);
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
--- a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
@@ -31,7 +31,7 @@
   WebAssemblyFrameLowering()
       : TargetFrameLowering(StackGrowsDown, /*StackAlignment=*/Align(16),
                             /*LocalAreaOffset=*/0,
-                            /*TransientStackAlignment=*/16,
+                            /*TransientStackAlignment=*/Align(16),
                             /*StackRealignable=*/true) {}
 
   MachineBasicBlock::iterator