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

[Pengcheng Wang via llvm-commits]

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@@ -409,7 +409,7 @@ bool RISCVCallLowering::lowerReturnVal(MachineIRBuilder &MIRBuilder,
   splitToValueTypes(OrigRetInfo, SplitRetInfos, DL, CC);
 
   RVVArgDispatcher Dispatcher{&MF, getTLI<RISCVTargetLowering>(),
-                              F.getReturnType()};
+                              ArrayRef(F.getReturnType())};
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wangpc-pp wrote:

Do we need to construct an ArrayRef explicitly?

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