Size enum so we can store it as 16-bits and avoid casts. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237910 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/MC/MCExpr.h b/include/llvm/MC/MCExpr.h
index 4b4b92049467e4aadd45fd5d4dd94f1fec05baf2..10e664016466b3c9118a830d334956ead0fa164f 100644 (file)
--- a/include/llvm/MC/MCExpr.h
+++ b/include/llvm/MC/MCExpr.h
@@ -159,7 +159,7 @@ public:
 /// of the symbol as external.
 class MCSymbolRefExpr : public MCExpr {
 public:
-  enum VariantKind {
+  enum VariantKind : uint16_t {
     VK_None,
     VK_Invalid,
 
@@ -295,7 +295,7 @@ public:
 
 private:
   /// The symbol reference modifier.
-  const unsigned Kind : 16;
+  const VariantKind Kind;
 
   /// Specifies how the variant kind should be printed.
   const unsigned UseParensForSymbolVariant : 1;
@@ -328,7 +328,7 @@ public:
 
   const MCSymbol &getSymbol() const { return *Symbol; }
 
-  VariantKind getKind() const { return static_cast<VariantKind>(Kind); }
+  VariantKind getKind() const { return Kind; }
 
   void printVariantKind(raw_ostream &OS) const;