[llvm] CodeGen: Add RegisterClass by HwMode (PR #158269)

[Sergei Barannikov via llvm-commits]

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@@ -1681,7 +1735,10 @@ void DecoderTableBuilder::emitTableEntries(const FilterChooser &FC) const {
   }
 }
 
-static std::string findOperandDecoderMethod(const Record *Record) {
+/// \returns the effective value of the DecoderMethod field.t If DecoderMethod
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s-barannikov wrote:

```suggestion
/// \returns the effective value of the DecoderMethod field. If DecoderMethod
```

https://github.com/llvm/llvm-project/pull/158269