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

[James Y Knight via llvm-commits]

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@@ -1038,27 +1036,28 @@ void DecoderEmitter::emitDecoderFunction(formatted_raw_ostream &OS,
   }
   OS.indent(Indentation) << "}\n";
   Indentation -= 2;
-  OS.indent(Indentation) << "}\n\n";
+  OS.indent(Indentation) << "}\n";
 }
 
 // Populates the field of the insn given the start position and the number of
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jyknight wrote:

Also here.

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