[llvm] [InlineAsm] refactor InlineAsm class NFC (PR #65649)

[Nick Desaulniers via llvm-commits]

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@@ -241,6 +225,7 @@ class InlineAsm final : public Value {
     // Addresses are included here as they need to be treated the same by the
     // backend, the only difference is that they are not used to actaully
     // access memory by the instruction.
+    // TODO: convert to enum?
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nickdesaulniers wrote:

If it's ok with you, I'd prefer to do this in a distinct PR, akin to:

commit 2fad6e69851e ("[InlineAsm] wrap Kind in enum class NFC")

https://github.com/llvm/llvm-project/pull/65649