[NFC][Alignment] Use Align in MCAlignFragment

llvm/include/llvm/MC/MCFragment.h

@@ -293,7 +293,7 @@ public:
 
 class MCAlignFragment : public MCFragment {
   /// The alignment to ensure, in bytes.
-  unsigned Alignment;
+  Align Alignment;
 
   /// Flag to indicate that (optimal) NOPs should be emitted instead
   /// of using the provided value. The exact interpretation of this flag is
@@ -314,12 +314,12 @@ class MCAlignFragment : public MCFragment {
   const MCSubtargetInfo *STI;
 
 public:
-  MCAlignFragment(unsigned Alignment, int64_t Value, unsigned ValueSize,
+  MCAlignFragment(Align Alignment, int64_t Value, unsigned ValueSize,
                   unsigned MaxBytesToEmit, MCSection *Sec = nullptr)
       : MCFragment(FT_Align, false, Sec), Alignment(Alignment), EmitNops(false),
         Value(Value), ValueSize(ValueSize), MaxBytesToEmit(MaxBytesToEmit) {}
 
-  unsigned getAlignment() const { return Alignment; }
+  Align getAlignment() const { return Alignment; }
 
   int64_t getValue() const { return Value; }
 

llvm/lib/MC/MCAssembler.cpp

@@ -331,7 +331,7 @@ uint64_t MCAssembler::computeFragmentSize(const MCAsmLayout &Layout,
   case MCFragment::FT_Align: {
     const MCAlignFragment &AF = cast<MCAlignFragment>(F);
     unsigned Offset = Layout.getFragmentOffset(&AF);
-    unsigned Size = offsetToAlignment(Offset, Align(AF.getAlignment()));
+    unsigned Size = offsetToAlignment(Offset, AF.getAlignment());
 
     // Insert extra Nops for code alignment if the target define
     // shouldInsertExtraNopBytesForCodeAlign target hook.
@@ -343,7 +343,7 @@ uint64_t MCAssembler::computeFragmentSize(const MCAsmLayout &Layout,
     // minimum nop size.
     if (Size > 0 && AF.hasEmitNops()) {
       while (Size % getBackend().getMinimumNopSize())
-        Size += AF.getAlignment();
+        Size += AF.getAlignment().value();
     }
     if (Size > AF.getMaxBytesToEmit())
       return 0;

llvm/lib/MC/MCFragment.cpp

@@ -376,7 +376,7 @@ LLVM_DUMP_METHOD void MCFragment::dump() const {
     if (AF->hasEmitNops())
       OS << " (emit nops)";
     OS << "\n       ";
-    OS << " Alignment:" << AF->getAlignment()
+    OS << " Alignment:" << AF->getAlignment().value()
        << " Value:" << AF->getValue() << " ValueSize:" << AF->getValueSize()
        << " MaxBytesToEmit:" << AF->getMaxBytesToEmit() << ">";
     break;

llvm/lib/MC/MCObjectStreamer.cpp

@@ -647,7 +647,8 @@ void MCObjectStreamer::emitValueToAlignment(unsigned ByteAlignment,
                                             unsigned MaxBytesToEmit) {
   if (MaxBytesToEmit == 0)
     MaxBytesToEmit = ByteAlignment;
-  insert(new MCAlignFragment(ByteAlignment, Value, ValueSize, MaxBytesToEmit));
+  insert(new MCAlignFragment(Align(ByteAlignment), Value, ValueSize,
+                             MaxBytesToEmit));
 
   // Update the maximum alignment on the current section if necessary.
   MCSection *CurSec = getCurrentSectionOnly();

llvm/lib/MC/WasmObjectWriter.cpp

@@ -1876,7 +1876,8 @@ uint64_t WasmObjectWriter::writeOneObject(MCAssembler &Asm,
     const MCFragment &AlignFrag = *IT;
     if (AlignFrag.getKind() != MCFragment::FT_Align)
       report_fatal_error(".init_array section should be aligned");
-    if (cast<MCAlignFragment>(AlignFrag).getAlignment() != (is64Bit() ? 8 : 4))
+    if (cast<MCAlignFragment>(AlignFrag).getAlignment() !=
+        Align(is64Bit() ? 8 : 4))
       report_fatal_error(".init_array section should be aligned for pointers");
 
     const MCFragment &Frag = *std::next(IT);

llvm/lib/Target/RISCV/MCTargetDesc/RISCVAsmBackend.cpp

@@ -593,7 +593,7 @@ bool RISCVAsmBackend::shouldInsertExtraNopBytesForCodeAlign(
   if (AF.getAlignment() <= MinNopLen) {
     return false;
   } else {
-    Size = AF.getAlignment() - MinNopLen;
+    Size = AF.getAlignment().value() - MinNopLen;
     return true;
   }
 }