[llvm] [TableGen] Emit Debug code for dynamic bits(eg: instruction operands) in DecoderEmitter (PR #194699)

[Prerona Chaudhuri via llvm-commits]

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@@ -683,6 +683,58 @@ static std::vector<EncodingIsland> getIslands(const KnownBits &EncodingBits,
   return Islands;
 }
 
+static std::string getOperandFieldDescForDebug(const OperandInfo &OpInfo) {
+  if (OpInfo.Fields.empty() && !OpInfo.InitValue)
+    return "bits<0>";
+  if (OpInfo.fields().empty())
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pchaudhuri-nv wrote:

Get it. Maybe we can create this PR then - https://github.com/llvm/llvm-project/pull/195489 where we get rid of fields() and the other accessor functions for Fields ?

https://github.com/llvm/llvm-project/pull/194699