[llvm] [RISCV] Handle RVV return type in calling convention correctly (PR #87736)

[Brandon Wu via llvm-commits]

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@@ -1059,7 +1062,7 @@ class RVVArgDispatcher {
 
   unsigned CurIdx = 0;
 
-  void constructArgInfos(ArrayRef<Type *> TypeList);
+  template <typename Arg> void constructArgInfos(ArrayRef<Arg> Ret);
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4vtomat wrote:

The reason I used template here is that `Arg == ISD::OutputArg` and `Arg == ISD::InputArg` use exact same code and it doesn't need to copy the code. Or is there any other way I can do so?

https://github.com/llvm/llvm-project/pull/87736