[llvm] [TableGen] DecoderEmitter clean-ups and modernization. (PR #84832)

[James Y Knight via llvm-commits]

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@@ -474,8 +473,8 @@ class FilterChooser {
   //
   // Returns false if there exists any uninitialized bit value in the range.
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jyknight wrote:

Please update comment. It no longer matches the behavior.

https://github.com/llvm/llvm-project/pull/84832