[llvm] [InlineAsm] wrap ConstraintCode in enum class NFC (PR #66003)

[Bill Wendling via llvm-commits]

================
@@ -17395,13 +17395,13 @@ RISCVTargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
   return Res;
 }
 
-unsigned
+InlineAsm::ConstraintCode
 RISCVTargetLowering::getInlineAsmMemConstraint(StringRef ConstraintCode) const {
   // Currently only support length 1 constraints.
   if (ConstraintCode.size() == 1) {
     switch (ConstraintCode[0]) {
     case 'A':
-      return InlineAsm::Constraint_A;
+      return InlineAsm::ConstraintCode::A;
----------------
bwendling wrote:

What's up with the swtich statements? :)

https://github.com/llvm/llvm-project/pull/66003